Burning in air yields carbon oxides, water vapor, nitrogen; Pyrolysis yields, Results in carbon dioxide and water vapor, Little information about its environmental impact, Incineration, done outside; Oxidation with Fenton's reagent; Hot aqueous solution containing sodium hydroxide and sodium tetraborate, Displays moderate toxicity to aquatic life; can be degraded by some microorganisms, Gives off carbon dioxide and water vapors, leaving holmium(III) oxide behind, Gives off toxic fumes; may lead to detonation if temperature is too high, Diluted in lots of water, followed by slow addition of a solution of calcium hypochlorite, Decomposes, gives off toxic fumes; may lead to detonation if temperature is too high, Will lead to detonation for concentrated solutions, Any base, carbonate, bicarbonate; sodium thiosulfate can also be used, Boils off the acid, resulting in extremely toxic and corrosive fumes; will lead to decomposition to elemental bromine, Any alkali or alkaline-earth carbonate, bicarbonate, DON'T! WebZinc Sulfate is a colorless, odorless, crystalline powder. You probably dont even need to filter it once it has reacted with the sodium bicarbonate, just pour it away. These you can pour down in your garden. alkali, Decomposes to dimethyl sulfate, DO NOT CALCINATE, Mixed with a more flammable solvent, followed by incineration; Oxidation with Fenton's reagent if it has too much water, Results in carbon oxides, water vapors and sulfur dioxide, Waste water bacteria breaks it down into dimethyl sulfide, which is slightly toxic and has a strong disagreeable odor, Ferrous sulfate, sodium metabisulfite, bleach, Diluted solutions will break down harmlessly, Harmful for most organisms; acetone has low toxicity, Ignites in open air; Decomposes above 200 C, Addition to large amounts of cold water; neutralization with a base, Decomposes giving off nitrogen oxide fumes, Very corrosive to all organisms, may cause fires or explosions, Dissolved in a flammable solvent and burned in an incinerator; Oxidation with Fenton's reagent, Flammable, gives off carbon dioxide, PAHs, soot and water vapors, Potentially harmful for wildlife and aquatic life in large concentrations, Mixed with a more flammable solvent and followed by incineration, Gives off carbon oxides, water vapors and soot, Not required; Excess slaked lime can be used to precipitate calcium phosphate, Decomposes on heating at high temperatures to release water vapors, leaving a residue of potassium and phosphorus oxides, Safe, good fertilizer (potassium and phosphorus source), Slaked lime or any other base, carbonate or bicarbonate, "Wetting" with a solvent, extraction of nitro and very careful neutralization of it; addition of more diatomaceous earth to further absorb the nitro, Explosive hazard; otherwise good nitrogen source for plants, Precipitation with a base; recycling; separation can be done with a magnet, if no other magnetic salts are present, Decomposes to dysprosium(III) oxide, releases nitrogen dioxide, Decomposes, releases combustion gasses, POCs and VOCs, Releases absorbed water or carbon dioxide, Decomposes giving off carbon and sulfur oxides, nitrogen, water, soot, VOCs, Environmental effects are currently unknown, Cooled aqueous solution of excess sodium hydroxide, Dangerous to animals due to its vasodilator effects; harmless to plants, nitrogen source for plant life, Flammable, gives off carbon dioxide and water vapors, Deadly to small animals on direct contact, dangerous to aquatic and soil life, Burns, releasing carbon oxides, water vapors, Deadly to all living things, dangerous to aquatic and soil life, as it acidifies water, Hazardous to environment in large amounts, Alkali solution, followed by sodium thiosulfate to remove any free iodine, Dangerous to wildlife in high concentrations, Diluted alkali solution, recommended to be cooled first to prevent possible explosion, Burns in air, giving off carbon dioxide, nitrogen and water vapors, Amines can be source of nitrogen for plants, but may be harmful to fauna and water bodies, Gives off carbon oxides, water vapors and various volatile componds, Toxic to organisms, dangerous to aquatic life, Sodium hydroxide, followed by incineration, Poses threat to animals, weak nitrogen source for plants, Neutralization with sulfuric acid; mixed with a flammable solvent, followed by an incineration; oxidation with potassium permanganate, followed by addition of sodium bisulfite, and neutralization with sodium hydroxide, Poured down the drain if not bonded with heavy metals; otherwise taken to waste disposal centers, Breaks down to give carbon oxides, water vapor, various amines, soot, Displays some toxicity to many organisms lifeforms, dangerous to water bodies; can be broken down slowly by various microorganisms, Incineration, done outside; Oxidation with Fenton's reagent, Little information is given on its environmental impact, Incineration if desired; not always required, can be poured down the drain, Releases carbon dioxide, monoxide, water vapors and soot; Burns in rich oxygen atmosphere. ALWAYS POUR THE ACID IN WATER AND NOT THE OTHER WAY AROUND! ), May give off hydrogen sulfide in the presence of water at high temperatures, Not required; Bleach can be used if desired. Place in a separate labeled container for recycling or disposal. Cobalt salts may be carcinogenic and should be taken to a proper waste disposal facility. Heavy metals, such as mercury, can often be neutralized with a mixture of zinc and sulfur powders, which yields mercury sulfide aka cinnabar. Zinc compounds can be refined to zinc metal using electrowinning. Copper Sulfate -> 5% (Most commonly used) Current research may show that Manure slurry + Copper sulfate may have a destructive effect on the mortar between the hoof horn walls. Waste containing cyanide, either from gold refining or from organic extractions of alkaloids from cyanide containing plants, must be neutralized with bleach or hydrogen peroxide, to turn them into less harmful cyanates. Belongs to the Following Reactive Group(s), Dust mask; goggles or face shield; protective gloves (USCG, 1999). Bleach (best bet); hydrogen peroxide; oxygen; ozone; Extremely toxic for all organisms, used to kill pests, Neutralize it first, good source of phosphorus, unless contaminated, Deadly to small animals; excess in water bodies may cause algal bloom, Suspension of calcium hydroxide, sodium thiosulfate, cooled; PBr, Breaks down to bromine, hydrogen bromide, phosphorus tribromide and phosphorous acids in the presence of air/moisture, Corrosive and deadly to all wildlife; Lowers soil pH; Corrosive to rocks, soil, Suspension of calcium hydroxide, cooled; PCl, Boils and breaks down to chlorine, hydrogen chloride and phosphorous acids in the presence of air/moisture, Will volatilize at very high temperatures, No, reaction with water is highly exothermic and may generate acidic steam. Do not treat the written disposal guidelines as absolute. Piranha solution is an excellent material for the disposal of organic compounds. Special acids and their salts, such as hydrazoic acid and azides must not be poured directly down the drain, they must be treated with nitrous acid to destroy them. Nickel-containing compounds, especially organonickel compounds, are carcinogens, and are also dangerous to many other forms of life. However, chromic acid will (violently) oxidize alcohols to their respective aldehydes or ketones, which cannot be oxidized further by the acid alone, which limits it's use in neutralizing many compounds. ), Burns, releasing carbon oxides and water vapors; some will evaporate when heated, Toxic to the wildlife, suspected carcinogen, Not required; Careful and controlled pyrolysis, Pyrolysis gives nitrogen, water, chlorine and carbon/nitrogen oxides, Safe, nitrogen source for plants; Guanidine derivates occur in guano; Chlorides however are harmful for plants in large amounts, Pyrolysis gives nitrogen, water, chlorine and carbon/nitrogen oxides; may explode at high temperatures, Perchlorates are harmful for the environment, Pyrolysis gives nitrogen, water and carbon/nitrogen/sulfur oxides, Safe, nitrogen and sulfur source for plants; Guanidine derivates occur in guano, Gives off carbon oxides, water vapor and soot, Do not use heat, as it will lead to detonation, Treatment with hydrochloric acid; dilution of resulting products, followed by disposal. Moisten spilled material first or use a HEPA-filter vacuum for clean-up and Will lead to extremely dangerous and corrosive fumes, which will decompose, resulting iodine vapors, Corrosive to organisms and rocks; Iodides have little toxicity to wildlife, Diluted solutions will break down harmlessly; Very concentrated solutions may explode if contaminated, Deadly for microbial life, extremely toxic for small animals and aquatic life, Very toxic for animals at high concentrations; Occurs naturally, but at low concentrations, Mixed with a more flammable solvent and safely incinerated; Controlled oxidation with chromic acid, piranha solution, Fenton's reagent, Occurs naturally; toxic and possibly carcinogen in high doses, Mixed with a flammable solvent and incinerated; Diluted in water and poured down the drain, Burns at high temperatures, releasing carbon dioxide, water vapors, acrolein, Little environmental impact from the literature available, Reduction with Zn/HCl; Dilution followed by decomposition with ferrous or ferric salts; Addition of ketone or aldehyde then heated to decompose, Dilution followed by addition of ketone or aldehyde then heated to decompose; Reduction with Zn/HCl, Decomposes releasing HCl and nitrogen oxides, Dilution followed by decomposition with ferrous or ferric salts; Addition of ketone or aldehyde then heated to decompose; Reduction with Zn/HCl, Dilution followed by precipitation of perchlorate with potassium ions, filtration then neutralization of hydroxylamine via addition of ketone or aldehyde, then heated to decompose; Reduction with Zn/HCl, Decomposes releasing nitrogen oxides, nitrogen, HCl, water vapors; explodes at high temperature, Decomposes releasing sulfur and nitrogen oxides, Any reducing agent, such as sodium metabisulfite, bisulfite, sulfite, thiosulfate, Decomposes to chlorine, chloric acid, hydrogen chloride, Very toxic and corrosive to organisms, especially aquatic ones, Decomposes to phosphoric acid, phosphorous acid, phosphine, Harmful and corrosive to organisms, especially aquatic ones, Yields carbon oxides, water vapors, leaves ash behind, Low toxicity; silver and copper-based inks may be harmful, Neutralization with potassium, calcium bases, followed by reduction with a suitable reducing agent to iodide; thiosulfate added to remove any free iodine, Decomposes at high temperatures to iodine pentoxide which further decomposes above 300 C to iodine and oxygen, Toxic to wildlife, both animals and plants, Neutralization with a solution sodium thiosulfate, Decomposes above melting point, releasing iodine and oxygen above 300 C, Neutralization with a cooled diluted solution of sodium hydroxide and sodium thiosulfate, Decomposes above melting point, releasing ICl and chlorine, Destruction with aqueous sodium hydroxide, Melts and decomposes near boiling point, releasing iodine, hydrogen iodine fumes, Dangerous to wildlife, especially if ingested; small animals are harmed easily, Gives off hydrogen chloride fumes in air and or moisture, Not always required; Ammonium hydroxide, carbonate/bicarbonate, Breaks down to iron(III) oxide and gives off sulfur dioxide and trioxide fumes, Safe, used in agriculture as iron supplement; May cause algal bloom if released in water bodies, Results in iron(III) oxide in the presence of air, Calcium hydroxide (slaked lime), followed by dilution, Gives off nitrogen oxide fumes, leaving behind iron(III) oxide, Harmful to environment in large and concentrated amounts; Diluted iron nitrate is a good source of iron and nitrogen for plants, Safe, sometimes used in agriculture as iron supplement; May cause algal bloom if released in water bodies, Breaks down into iron(III) oxide and gives off sulfur oxides, Incineration; oxidation with peroxide; both done outside, Decomposes, releasing copious amounts of iron oxide fumes, Flammable, gives off carbon dioxide and water vapor, Photolysis; Hydrolysis with cold sodium hydroxide solution, Neutralization with sodium hydroxide, followed by incineration, Neutralization with any acid; incineration; oxidation with Fenton's reagent, Flammable, burns to release carbon dioxide, water vapors and nitrogen; nitrogen dioxide may also be released, Toxic to all wildlife and especially aquatic life, Controlled oxidation with Fenton's reagent, Occurs naturally; toxic to microorganisms and other plants, Burns in the presence of air, to give off carbon dioxide and water vapors, Dangerous for wildlife and aquatic environment, Immersion underwater to prevent self-ignition, followed by adding a flocculating or a thickening agent to trap the phosphorus inside; resulting mass should be incinerated in a special incinerator, Pyrophoric, releases toxic sulfur dioxide and phosphorus pentoxide fumes, Pyrophoric, toxic and corrosive to the environment, Alkali carbonate or hydroxide; Lead precipitate should be taken to disposal facilities, Results in lead oxides; Yields carbon oxides, water vapors, Extremely toxic to all life, due to the good solubility of lead acetate, Nitrous acid, ammonium acetate, sodium dichromate, Decomposes to lead/lead(II) oxide releasing nitrogen gas and may explode during decomposition, Breaks down to its component oxides at high temperatures, Precipitation with a sulfide, carbonate or oxalate; wastes are to be taken to hazardous waste disposal centers, Breaks down in to lead oxide and releases nitrogen dioxide fumes, Extremely toxic to wildlife due to its good solubility in water, Decomposes around 500-1000 C in air to yield sulfur and lead oxides and lead metal fumes, Occurs naturally; Extremely toxic to the environment and all life, Precipitate with an excess of carbonate, oxalate or a sulfide; waste is to be taken to hazardous waste disposal centers, Results in lead oxide and acetic acid, carbon dioxide, water vapor, Corrosive and very toxic to all organisms, Incineration; oxidation; not always required, Results in carbon dioxide, water vapor, soot, Neutralization with an alkali or carbonate solution; recycling of lithium ions, Corrosive to organisms, will increase the aluminium concentration in soil or water, Neutralization with an alkali or carbonate solution; Slow addition in a large volume of water or alcohol;Recycling of lithium ions, Corrosive to organisms, will increase the boron concentration in soil or water, Hydrated form will give some oxychloride salt, Increases the chloride concentration in soil as well as lithium, Neutralization with a concentrated alkali or carbonate solution, alcohols, long chain alcohols are preferred; best performed in an open area, Any acid, carbon dioxide, sulfur dioxide; recycling is a good choice, Breaks down to lithium oxide and water vapor, Lithium has little effect to plant life, but will affect the nervous system of animals when ingested in excess, Any reducing agent, such as sodium metabisulfite, bisulfite, sulfite, thiosulfate; Hydrogen peroxide, Corrosive and harmful to organisms, especially aquatic ones, Precipitation; recycling; mixed with a combustible material and ignited, Breaks down to lithium oxide and nitrogen oxides, Nitrate is a source of nitrogen for plants; lithium has little effect to plant life, but will affect the nervous system of animals when ingested in excess, Oxidation with sodium percarbonate, oxygen, ozone to nitrate; Thermal decomposition followed by conversion to lithium carbonate or sulfate, Decomposes to form lithium oxide/hydroxide and releases nitrogen oxides fumes, Unlike nitrates, nitrites are poor source of nitrogen for plants; Lithium may be harmful for the central nervous system; Nitrites are toxic for most animals, Not required; can be poured down the drain, Burns releasing aluminium and magnesium oxides, Not useful; breaks down into magnesium oxide and carbon dioxide at high temperatures, May increase the magnesium and chloride content in the soil significantly, Not always required; any acid can be used, though a weak one is more economical, Decomposes at 350 C to magnesium oxide and releases water vapors, Raises the soil pH; source of magnesium for plants, Not required; an aqueous carbonate solution, like potassium carbonate can be used if necessary, Decomposes above 330 C to give off oxygen and nitrogen oxides, Good source of nitrogen and magnesium for plants (fertilizer); May cause algal bloom in water bodies, Will dehydrate when heated; Gives off sulfur oxides at very high temperature, Maybe be source of food for some organisms, Aqueous solutions or suspensions of base, carbonate, bicarbonate, Breaks down to manganese dioxide and gives off ozone; may explode, Burns organic material on contact, even wet organic material, Precipitated to managnese dioxide; Taken to waste disposal facilities; Dumped in trash, Melts; Releases carbon dioxide and water vapor at high temperatures, Cannot be digested by most organisms, but has no dangerous effects on wildlife, Cooled aqueous solution of diluted sodium hydroxide, added in excess, Safe, biodegradable; Occurs naturally in various plants, like peppermint, Decomposes over 580 C to yield sulfur oxides and mercury vapors, Conversion to cinnabar; Taken to hazardous waste disposal centers, Explodes, giving off carbon oxides, nitrogen gas and hazardous mercury vapors, Decomposes, releasing nitrogen dioxide, oxygen, mercury(II) oxide, mercury vapors, Decomposes over 500 C to yield mercury vapors, Taken to hazardous waste disposal centers; Conversion to cinnabar, Decomposes over 450 C to yield sulfur oxides and mercury vapors. Wash spill area after pickup is complete. Keep in suitable, closed containers for disposal. The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. However, this merely is a method to prevent the heavy metals from being released in the environment and is not a permanent way of disposal. These should be converted to the +3 oxidation state; hydrogen peroxide as well as sulfites or thiosulfate will do this, which is typically the least harmful, preferably to chromium(III) oxide. Before neutralizing them, always dilute the acid first, to limit splashing or boiling the acid. Other: See actual entry in RTECS for complete information. NaOH, Decomposes to release nitrogen/chlorine oxides and oxygen, Aqueous base; percarbonates can also be used to remove nitric oxide; multiple washings may be required, Decomposes, giving off nitrogen oxide and chlorine/HCl fumes, Highly corrosive and toxic to all organisms and materials, Careful addition to crushed ice, followed by neutralization with a diluted base, Deadly and extremely corrosive to all organisms, Diluted and hydrolyzed; Careful and controlled pyrolysis, Any base, hydroxide, carbonate, bicarbonate; percarbonates can also be used, Decomposes, giving off nitrogen oxide fumes, Corrosive to organisms and rocks; salts somewhat toxic to animals, Gentle reduction with various reducing agents, Breaks down to nitrogen and oxygen at high temperatures, Low toxicity to wildlife, may induce light narcotic effects and laughing sensation in some organisms, Mixed with a more flammable solvent, followed by incineration, Safe, occurs naturally in citrus fruit peels, Pyrolysis; diluted and poured down the drain, Decomposes on heating to release carbon oxides and various organic compounds, May pose a threat to wildlife in large amounts, Reduced with hydrogen or another reducing agent, Neutralization with any oxide, hydroxide, carbonate, followed by pyrolysis, Releases carbon oxides and water vapor at high temperature, Toxic to wildlife; Small amounts occur in some plants, Disolving it in large amounts of water, followed by neutralization with any oxide, hydroxide, carbonate, Toxic and corrosive to wildlife and environment, Any compound easily oxidizable that does not ignite, such as carbon monoxide, activated charcoal, Accelerates the decomposition of ozone, but not enough, Dangerous to wildlife, may oxidize various gaseous compounds, contributing to the acid rain; In the upper atmosphere it acts as UV shield, Will burn if ignited, releasing carbon oxides, water vapors and soot, Excess paper is harmful for environment, unless composted first, Wax, both solid and molten, floats on water bodies and may inhibit the cellular breathing of many organisms, Mixed with a flammable solvent and incinerated, Gives off carbon oxides, water vapors, aldehydes, Low toxicity to aquatic life; Classified as biodegradable, Oxidation with Fenton's reagent; Mixed with a flammable solvent and incinerated; Reduction with powdered iron, Gives off carbon oxides, water vapors, soot, Displays relative low toxicity to aquatic life; PETN undergoes safe biodegradation, Flammable, releases carbon oxides, water vapor when burned in air, Bicarbonates, carbonates, bases, oxides; neutralized solution can be safely poured down the drain; valeric salts can also be pyrolyzed in a kiln, Flammable (high concentrations, >86 C), no dangerous combustion products, though the smoke will have a rancid smell, Dangerous for wildlife and aquatic life in large concentrations, Dilution in water, followed by neutralization with a base; iron oxide can be added to decompose hydrogen peroxide; can be poured down the drain afterwards, May explode at high temperatures, at high concentrations, Toxic and corrosive to wildlife, both animals and plants, Neutralization with potassium, calcium bases, followed by reduction with metallic iron under UV light in the absence of air, Leads to decomposition, resulting in manganese dioxide slag, The resulting manganese dioxide from the decomposition can be toxic if ingested by animals, Strong oxidizer, it is dangerous and toxic to small organisms, Oxidation with Fenton's reagent or piranha solution, followed by neutralization and poured down the drain, Gives off carbon oxides, water vapors, soot, VOCs, PAHs, nitrogen, Dangerous to environment, very toxic to aquatic life, Flammable if preheated, gives off carbon dioxide, soot and water vapors, Gives off carbon oxides, water vapors, soot and VOCs, Dilute it with plenty of water before release, Dangerous to environment in large amounts, Not always required, may be strongly diluted and poured down the drain, Breaks down to carbon oxides, water vapors, soot; may give off aromatic vapors, Low toxicity, may occur naturally in small amounts, Oxidation with Fenton's reagent; Incineration, best done with an afterburner, Flammable, burns in air to release carbon oxides, water vapors, soot, VOCs, Toxic to wildlife and very dangerous to aquatic life, as well as soil. This compound is insoluble in water and acids, showing little reactivity. The information relates only to the 5 WebPackage lots. Oxidizing mixtures, such as aqua regia, piranha solution or the nitrating mixture must also never be poured down the drain, as they're much more dangerous than simple acids, and can wreak havoc on your plumbing. However, because only small amounts of compound gets neutralized at a time, this process takes a while. WebZinc Sulfate, Reagent Grade, Created by Global Safety Management, Inc. -Tel: 1-813-435-5161 - www.gsmsds.com Environmentally Hazardous Substance,solid, n.o.s. Slow decomposition in a large volume of water or alcohol, Decomposes to release acetic acid, hydrogen, Harmful, will increase the boron concentration in soil or water, Melts; Decomposes releasing carbon dioxide and water vapor at high temperatures, Safe, nourishment for organisms, though harmful for bacteria, Recycling; Traces of stainless steel waste don't require chemical neutralization as SS is sufficiently inert that it can't do any significant damage to the environment. While properly neutralized reagents may be poured down the drain, dumping very large amounts of said reagents is frowned upon. Results in acidic vapors, extremely dangerous and corrosive, Toxic to wildlife and corrosive to minerals, DON'T! It is a good idea to take these to a proper waste disposal facility. All are noncombustible. Most chemicals used by the amateur chemist come from every day use and do not require special treatment before being discarded in the usual way. Wear nitrile rubber gloves, laboratory coat, and eye protection. Halogenated compounds like chloroform can be neutralized with a strong base, although this neutralization should not be done without safety precautions. Slowly add the base in the diluted acid, and watch out for foaming or, if it's a strong acid, boiling. It is also used as a dietary supplement, and Bleach can be used to neutralize the compound, May pose a threat to wildlife in large amounts due to its sodium content, Decomposes on heating to release carbon monoxide, May pose a threat to wildlife in large amounts since it's a sodium salt; Occurs naturally as mineral, Slow addition to diluted solution of phosphoric acid, A reducing agent like sodium thiosulfate or sulfite; Generally not required though, Decomposes to release water vapors and oxygen, leaving behind sodium borate, Hydrogen peroxide in harmful for organisms; High levels of sodium and boron are toxic for plants, Any acid; Iron(III) oxide or manganese dioxide can also be added for complete neutralization; Generally not required though, Decomposes to release water vapors and oxygen, leaving behind sodium carbonate, Hydrogen peroxide in harmful for organisms; High levels of sodium are toxic for plants, Burns in a mixture with flammable materials, Decomposes to manganese dioxide and sodium oxide/hydroxide at high temperatures, Hydrolyzes in water to sulfuric acid; addition of a base to neutralize the acid, Oxidizer, harmful; excess sodium harmful for plants, Only in places without plant or animal life (construction sites, quarries, etc. (USCG, 1999). They react as acids to neutralize bases. The availability of these disposal methods varies depending on where you live. WebAmount-of-substance concentration 0.0995 - 0.1005 mol/L. WebDispose of it by rinsing with water, dissolving in excess dilute sulfuric acid and washing the resulting zinc sulfate solution down the sink. USA.gov. SDS (Sodium Dodecyl Sulfate) (up to 1-25% concentration) Sodium carbonate/Sodium hydrogen carbonate. Disposal Considerations Whatever cannot be saved for recovery or recycling should be managed in an appropriate and approved waste disposal facility. WebAvoid release to the environment. Web2. products are harmful, Recycling; Traces of bronze waste can be completely dissolved with nitric acid, followed by neutralization of leftover acid, recovering copper and tin via electrowinning, Old bronze may contain arsenic, lead or nickel which is harmful to the environment, Will burn to release carbon dioxide and water vapors, Will burn to release carbon dioxide, soot, VOCs, PAHs and water vapors, Bicarbonates, carbonates, bases, oxides; neutralized solution can be safely poured down the drain, Flammable (high concentrations), no dangerous combustion products, though the smoke will have a rancid smell, Safe, biodegradable; avoid dumping large amounts, dangerous to microfauna and water bodies, Very controlled incineration, done outside or in a kiln; Oxidation with Fenton's reagent; Hot aqueous solution containing sodium hydroxide and sodium tetraborate, Ignites, gives off carbon oxides, nitrogen oxides, water vapors, soot, Displays toxicity to aquatic life; RDX can be degraded by the fungus Phanaerocheate chrysosporium; binders may be harmful for organisms, Precipitation to cadmium sulfide, taken to hazardous waste disposal centers, Decomposes at high temperatures to cadmium oxide, Extremely toxic and dangerous to wildlife; Highly carcinogenic, Decomposes at high temperatures to cadmium oxide and nitrogen dioxide, Decomposes and sublimes at high temperatures, Decomposes at high temperatures to basic sulfate then cadmium oxide releasing sulfur oxides, Very toxic and dangerous to wildlife; Highly carcinogenic, Sodium nitrite, nitrous acid; recycling of caesium, Breaks down to caesium metal and gives off nitrogen gas, Recycling; Taken to waste disposal centers, Dangerous to organisms in very high concentrations; Caesium ions have similar toxicity to those of sodium and potassium. Bis(ethylenediamine)copper(II) perchlorate, N-(1-Naphthyl)ethylenediamine dihydrochloride, http://woelen.homescience.net/science/chem/exps/rules.html, http://www.atsdr.cdc.gov/toxprofiles/tp187-c5.pdf, http://link.springer.com/article/10.1007%2FBF02318626, http://pubs.rsc.org/en/Content/ArticleLanding/2007/EM/b709571f#!divAbstract, Chemical Technology and Emission Control, 2012, M.B. Hocking, p. 216, http://www.drugfuture.com/chemdata/cuprous-sulfite.html, http://www.inchem.org/documents/sids/sids/115775.pdf, http://pubs.acs.org/doi/abs/10.1021/es7029703?journalCode=esthag, Safe disposal/handling of lead in a domestic setting, http://www.sciencemadness.org/smwiki/index.php?title=Proper_disposal_of_chemicals&oldid=14787, GNU Free Documentation License 1.3 or later, Oxidation with Fenton's reagent; Concentrated solution of sodium hydroxide, Safe detonation in remote area; Strong dilution in organic solvent followed by safe incineration; Hydrolysis with cold sodium hydroxide solution, Toxic to organisms; nitrate source for plants, Oxidation with an oxidizing solution, such as chromic acid, piranha solution, Fenton's reagent, Incineration (no peroxides); Oxidation with Fenton's reagent; Chlorination in water with chlorine or hypochlorous acid; If peroxides are present, addition of excess ferrous sulfate, sodium bisulfite or metabisulfite to neutralize the peroxides, followed by incineration; If the bottle has peroxides on the cap, do not open it, instead safely detonate it in a remote or special area, Incineration produces carbon dioxide and water vapor. Lists of various chemical compounds that can be safely released in the ground or down the drain can be found here, here or here. Since it's magnetic, a magnet can be used to scoop all steel leftovers, Some steel alloys contain nickel which will leak in the environment which is harmful to the environment, Any acid; Not required; Can be safely dumped in trash, Breaks down to strontium oxide and carbon dioxide at high temperatures; reverts as it cools, Strontium has little effect on environment, Not required; Any soluble carbonate or sulfate, Not required; May be converted to strontium sulfate or just dumped in soil, Breaks down to strontium oxide, oxygen and nitrogen dioxide at high temperatures, Will burn grass on contact; strontium has little effect on environment, Decomposes to strontium oxide at very high temperatures, Low environmental impact, occurs naturally, Careful and controlled destruction using an oxidizing solution; bubbling chlorine in a dil. Inhalation of dust causes irritation of nose and throat. cooking salt) activates the etch by diminishing the bond with water. WebCarcinogenicity: Zinc - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65. Aqueous solutions are acidic. alkali, Decomposes to molybdenum oxides and sodium hydroxide/oxide, Not useful; may convert to sodium nitrite, While it is a good source of nitrogen for plants, high levels of sodium are generally undesired in soils, Oxidation with sodium percarbonate, oxygen, ozone to nitrate; Thermal decomposition followed by conversion to sodium carbonate or sulfate, Decomposes to form sodium oxide/hydroxide and releases nitrogen oxides fumes, Unlike nitrates, nitrites are poor source of nitrogen for plants; High levels of sodium are generally undesired in soils; Nitrites are toxic for most animals, Not required for small amounts, dumped in trash. Corrosion Irritation: Dermal: 10196-18-6 Skin - Rabbit Result : Severe skin irritation - 24 h Ocular: 10196-18-6 Aluminium compounds generally should not be disposed in the sewage. Mineral acids and bases should be neutralized to pH5.5 to 9 range before disposal, following approved procedures. A radioactive waste that is water soluble or readily dispersible in water and not prohibited from sewer disposal based These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid. Zinc Sulfate -> 10-20% Dissolve the barium salt in the minimum volume of water. If you live in an apartment block, you only have the drain. Results in acidic fumes, which on contact with skin will lead to burns and death, Calcium fluoride is more inert than most fluorides and poses little toxicity to wildlife; occurs naturally, Any base, carbonate, bicarbonate; for gaseous form, ammonia can be used, though will result in a dense mist; sodium thiosulfate can be used for removing free bromine, DON'T! All forms are soluble in water. Corrosive and dangerous on direct contact with wildlife; Reaction with water will lead to phosphoric acid, highly corrosive and dangerous. Sodium hydroxide in cooled water/crushed ice or alcohol solution, Burns at high temperatures giving off carbon dioxide, water vapors, soot and hydrogen chloride fumes, Very toxic and corrosive for wildlife and aquatic life; lachrymator agent, Flammable, gives off carbon dioxide, soot and water vapors, Harmful for wildlife and aquatic life in large concentrations, Sodium hydroxide in water or alcohol solution, Sodium hydroxide in water or alcohol solution; neutralization of cyanide with bleach, Burns at high temperatures giving off carbon dioxide, water vapors, soot and hydrogen cyanide fumes, Breaks down releasing carbon dioxide, water vapors, soot, PAHs, Neutralization with an acid; mixed with a flammable solvent, followed by an incineration, Burns in air to release carbon dioxide, water vapor and nitrogen, Dangerous to aquatic life, albeit recognized as biodegradable, Copper kills aquatic life and plant roots, Reduced to bismuth metal; neutralized with a base then taken to disposal centers or recovered, Hydrolyzes and releases HCl fumes in open air, Hazardous for the environment in large quantities, Will oxidize anything (yes, platinum too) when molten, May become hazardous for the environment in large quantities, Copper and sodium ions pose toxicity to plants and animals, Will burn to release a thick cloud of carbon dioxide and sulfur dioxide in open air; will detonate in a sealed container, Its components are already used as fertilizers and the environmental effect are similar, Careful hydrolysis in cold water, outside, Burns, releasing boric acid, boron nitride and nitrogen, Boric acid resulted from hydrolysis is harmful to the fauna, Careful neutralization by adding it in ice cold water, floowed by neutralization with a base, Boron compounds tend to be harmful for wildlife, Not useful; may volatilize at high temperatures, Recycling; Traces of brass waste can be completely dissolved with nitric acid, followed by neutralization of leftover acid, recovering copper and zinc via electrowinning, Old brass may contain lead or nickel which is harmful to the environment, Neutralization with excess sodium hydroxide to sodium glycolate, Evaporates and burns at high temperatures, releasing toxic fumes, Oxidized with a strong oxidizing solution, such as chromic acid, Fenton's reagent, piranha solution, followed by neutralization and then poured down the drain, Decomposes giving off carbon dioxide, water vapors, sulfur oxides, bromine, soot, May be harmful to water bodies; environmental effects unknown, Destruction with aqueous sodium hydroxide, which can be aided by methanol or acetone; Oxidation with, Evaporates, should not be attempted indoors, Dangerous to aquatic life at high concentrations, occurs naturally; May cause ozone depletion, Reducing with a reducing agent, such as sodium metabisulfite, sulfite, bisulfite, thiosulfate, Bromous acid and its decomp. Non-hydrated cement is hazardous to environment, animals and plants; hydrated solid is generally non-toxic; Production of cement is extremely harmful to environment, Pyrolysis, followed by taking the resulting slag to disposal facilities, Gives off carbon oxides and water vapors, leaving potassium antimony oxide slag behind, Above 292 C decomposes to potassium carbonate and above 891 C will yield potassium oxide and carbon dioxide, which is quickly reabsorbed as it cools, Excess may increase the concentration of potassium in the dumping area, Hydrolysis; neutralization with hydrogen peroxide, Breaks down to its constituent oxides, both dry and as solution, Dangerous to organisms due to its strong oxidizing properties; high amounts of bismuth are toxic, Decomposes to high temperatures releasing water vapors and sulfur trioxide, Decreases the soil pH, high levels of sodium are toxic for plants, Bleach or hydrogen peroxide can be used if desired, Decomposes to release sulfur dioxide and water vapors, High levels of sulfur dioxide are toxic for organisms, Decomposes, releasing combustion gasses, carbon oxides, water vapors, Safe, low toxicity; occurs during wine fermentation, Decomposes to potassium bromide and oxygen, May give off bromine vapors in the presence of water at high temperatures, Bromide ions pose little toxicity to wildlife in small amounts, No, very high temperatures decompose it to potassium oxide and carbon dioxide, which is quickly reabsorbed as it cools, Excess may increase the soil level of potassium in the dumping area, Reduction with metabisulfite, sulfite or bisulfite; a mixture of sulfuric acid and ferric ammonium sulfate can also be used, Melts and disproportionates to potassium perchlorate and potassium chloride, Small amounts can be dumped, as household bleach already contains a small percentage of chlorates, especially if it's old; Do not dump large quantities, Toxic to plants, was used as a weedkiller in the past, Yes, unless the soil is chloride sensitive, Presence of chlorides may have a harmful effect to some plants, Decomposes above 290 C, releasing oxygen, Cr(VI) is a potent carcinogen and very toxic to organisms, Decomposes above 1000 C, releasing oxygen, Oxidation with hydrogen peroxide, bleach, sodium thiosulfate to less harmful compounds, continued by oxidation to carbon dioxide and nitrogen gas, Melts and may oxidize in oxygen-rich atmosphere, Breaks down to iron(III) oxide and potassium hydroxide, best in the presence of moisture, Not required for small amounts, dumped in trash, Breaks down to iron and potassium nitrides/oxides, releasing cyanide, carbon monoxide, Low toxicity to organisms, though tends to break down under UV light, Neutralize first; neutralized is a good source of potassium for plants, Disproportionates to potassium chlorate and potassium chloride, giving off chlorine, Very toxic to organisms, especially aquatic ones, Decomposes, releasing oxygen, and iodine at high enough temperatures, Potassium iodate may be harmful to organisms, May release iodine vapors in the presence of water, Any reducing agents, such as oxalic acid, hydrogen peroxide, Breaks down to manganese oxide and alkali, Deadly to small organisms, dangerous to organisms in short term, Gives off nitrogen oxides at very high temperatures; burns in presence of organic compounds, releasing carbon oxides, nitrogen and leaving behind alkaline slag, Excellent fertilizer, though may lead to uncontrolled algae growth if dumped in water bodies, Oxidation with sodium percarbonate, oxygen, ozone to nitrate; Thermal decomposition followed by conversion to potassium carbonate or sulfate, Decomposes to form potassium oxide/hydroxide and releases nitrogen oxides fumes, Unlike nitrates, nitrites are poor source of nitrogen for plants; Nitrites are toxic for most animals due to the formation of nitrosamines, Reduction with metallic iron under UV light in the absence of air, Oxidizes flammable materials, burning them, Potassium periodate may be harmful to organisms, Potassium/sodium sulfite/metabisulfite/thiosulfate, ascorbic acid at acidic pH, Detonates, releasing potassium chromate, chromium(III) oxide fumes, Alkaline solution, sodium carbonate in water, Dangerous to the environment in short term, Not always required; can be dumped in trash or poured down the drain, Releases carbon oxides, soot and leaves behind potassium carbonate, Not always required; can be disposed in anyway, Releases combustion gasses and leaves behind sodium and potassium carbonate, Will decompose at high temperatures to release various hydrocarbons, carbon oxides, water vapors, Large quantities may be harmful to water bodies and small animals, Releases sulfur oxides at very high temperatures, Oxidation of aqueous potassium sulfite to sulfate reduces the amount of dissolved oxygen from water bodies, Dissolution in large amounts of water; poured down the drain, Decomposes to release carbon oxides, leaving behind basic potash, Safe, biodegradable; avoid dumping large amounts, kills microbial lifeform, Incineration, first mix it with a more flammable solvent, Not required, though it can be mixed with a flammable solvent and burned, Generates carbon oxides and water vapor, as well as other toxic pyrolysis compounds, May give off carbon oxides and nitrogen gasses at high temperatures, as well as cyanide, Contact with strong acids may release hydrogen cyanide, Not required; dump it in trash; mix it with concrete, Yes (powder or fine grains only, with plenty of water), Dilution in water followed by addition of NaOH solution, Breaks down to combustion gasses and soot, Incineration in a special incinerator; Oxidation with Fenton's reagent, Gives off carbon oxides, water vapors, soot, amines and nitrogen, Gives off carbon dioxide, water vapors and other side products, Safe, can be used as nourishment by organisms; Important role in Krebs cycle, Decomposes, releasing carbon oxides, water vapors, soot, pyridine derivatives, Low toxicity, though harmful for microorganisms, Dissolved in acid, followed by recovery of nickel and aluminium, Displays moderate toxicity to aquatic life; RDX can be degraded by the fungus Phanaerocheate chrysosporium, Unknown effects, doesn't appear to be harmful, Recycling; Wastes should be taken to hazardous metal disposal centers, While bismuth and tin don't present great hazard to environment, lead does, Breaks down to carbon oxides and water vapors, Recycling; Taken to waste disposal centers; Dumped in trash, Decomposes and ignites, releasing large amounts of black smoke, soot, VOCs, Natural rubber has low toxicity and is biodegradable; Synthetic and vulcanized rubber do not easily break down in the environment and are harmful for nature, Acidified sodium nitrite, nitrous acid; recycling of rubidium, Dangerous to organisms in very high concentrations; Rubidium ions have similar toxicity to those of sodium and potassium, Dangerous to wildlife in short term (highly corrosive); Rubidium ions have similar toxicity to those of sodium and potassium, Decomposes to rubidium nitrite above ~300 C, Low toxicity to wildlife, occurs naturally, Breaks down to phenol; at higher temperatures gives off carbon oxides, water vapors, soot and VOCs, Low toxicity to environment, occurs naturally, Breaks down to copper(I) oxide, gives off water vapors and ammonia, Copper ions and ammonia are toxic to most animals, especially small ones; ammonia can be a source of nitrogen for plants, Incineration, if no peroxides present; If peroxides are present, neutralize them with a reducing agent such as ferrous sulfate, sodium bisulfite or metabisulfite in excess, then incinerate; If the bottle has peroxides on the cap, do not open it, instead safely detonate it in a remote or special area, Surface oxidation at high temperatures in oxygen; decomposes at its melting point, At high temperatures results in melting; Can be used to indurate crystalline silica, Finely divided silica is dangerous for fauna, Photolysis; Reduction with a more reactive metal or a reducing agent like ascorbic acid; Recycling of silver, Breaks down to metallic silver, water and carbon dioxide at high temperatures, Toxic to wildlife; silver microparticles are harmful if ingested, Detonates, releasing silver particles and nitrogen gas, Breaks down to metallic silver and bromine at high temperatures, Photolysis; Reduction with a reducing agent like ascorbic acid or formaldehyde; Recycling of silver, Breaks down to metallic silver, oxygen and carbon dioxide above 120 C, Toxic to wildlife in short term; silver microparticles are harmful if ingested, Breaks down to metallic silver and chlorine at high temperatures, Reduction with a reducing agent like ascorbic acid or formaldehyde; Recycling of silver, Photolysis; Reduction with potassium thiocyanate or hydrochloric acid; Recycling of silver if possible, Explodes, releasing oxygen, nitrogen, carbon oxides and silver powder, Melts and breaks down to metallic silver and iodine at high temperatures, Breaks down to metallic silver, oxygen and nitrogen dioxide at high temperatures, Breaks down to metallic silver, oxygen and nitrogen oxides at high temperatures, Reduction with a more reactive metal or a reducing agent like ascorbic acid; Recycling of silver, Breaks down to metallic silver, silver chloride, oxygen, chlorine at high temperatures, Breaks down to metallic silver, oxygen and/or sulfur dioxide/trioxide at high temperatures, Not useful, already byproduct of high-temperature reactions, Slag is harmful for environment, especially if heavy metals are present, Somewhat good as a fertilizer, though expensive; Acts as a slow-release nitrogen source for plants, Decomposes and burns at high temperatures, releasing lots of soot, carbon dioxide and water vapors, High levels of sodium are toxic for plants; anionic surfactants are harmful for environment, Results in sodium carbonate and acetone at high temperatures, then carbon dioxide and water vapors, High levels of sodium are toxic for plants, Gives off carbon dioxide, water vapors and soot, Neutralization with an alkali or carbonate solution; adding the compound in small bits in large volumes of water and alcohol, Cooled alcoholic solution with small amounts of a weak acid; addition of amide in small amounts, Extremely harmful to environment in short term, Breaks down to sodium metal and gives off nitrogen gas, Too much sodium is harmful to plants; Reaction with certain compounds may release traces of benzene; otherwise safe, occurs naturally, Not required; Bleach or hydrogen peroxide can be used if desired, Neutralization with an alkali or carbonate solution; Slow addition in a large volume of water or alcohol, Melts and disproportionates to sodium perchlorate and sodium chloride, Small amounts can be dumped, as household bleach already contains a small percentage of chlorates, especially if it's old; Do not dump large quantities though, Small amounts can be dumped; Do not dump large quantities though, Neutralization of cyanide; Slow decomposition in a large volume of water or alcohol, Cyanide is toxic to organisms, will increase the boron concentration in soil or water, Dilution in water, followed by bleach or hydrogen peroxide, Breaks down to sodium sulfate, sodium sulfite, sodium thiosulfate, sulfur dioxide, Mixed with a flammable solvent and incinerated; Poured down the drain, Gives off carbon oxides, water vapors, sulfur oxides, Slow addition to a large volume of water, best with small amounts of a carboxylic acid, such as acetic or citric acid, Toxic and very corrosive to most organisms; Raises pH in water bodies, Diluted organic solutions will reduce it to its constituent oxides, Not recommended due to its sodium content, Dangerous to organisms due to its strong oxidizing properties, Decomposes to sodium oxalate, then carbonate, releasing carbon monoxide and water vapors, High levels of sodium are toxic to plants, Breaks down at high temperatures releasing aluminium fluoride, HF fumes, Relative safe to environment, harmful for insects and small animals; occurs naturally, Breaks down to sodium polyphosphates and sodium oxide, giving off phosphorus oxide fumes at high temperatures, Corrosive to organisms, harmful to wildlife, Dangerous to wildlife in short term; toxic to plants due to sodium ions, Disproportionates to sodium chlorate and sodium chloride, giving off chlorine, Very toxic to organisms, especially aquatic ones; High levels of sodium are toxic for plants, Toxic to most fauna; High levels of sodium are toxic for plants, Dissolution in a large volume of water slowly, best with small amounts of a carboxylic acid, such as acetic acid, Addition in large amounts of water, followed by addition of aq. An alcohol burner can be used to burn these liquids. While this can sometimes be time consuming, it can often be more environmentally and economically friendly than discarding the waste in one manner or another is. However, as the carbonate is formed, it will creep out of the flask, covering it. NaOH; Strong dilution; Oxidation with Fenton's reagent, Generates carbon oxides, water vapor, soot, sulfur oxides and HCl fumes, Incineration; Sodium pyrosulfite; L-cysteine, Generates carbon oxides and water vapors; some will evaporate when heated, Dilution in a more flammable solvent, followed by incineration; Oxidation with Fenton's reagent, Gives off carbon monoxide, dioxide, ammonia, acetonitrile, hydrogen cyanide, Addition to water followed by heating, yielding acetic acid and ammonium chloride, Anhydrous conditions yields ammonium chloride and acetonitrile; In presence of water acetic acid and ammonium chloride are formed, Flammable (high concentrations), no dangerous combustion products, Safe, biodegradable; avoid dumping large amounts, acidifies soil, Flammable, no dangerous combustion products, Biodegradable; avoid dumping large amounts, acidifies soil, Oxidation/incineration, reducing, photolysis, Biodegradable, though not advised for large amounts, Fenton's reagent; Aqueous solution of excess sodium hydroxide, All treatments give some hydrogen cyanide fumes, Toxic to all life due to its cyanide/nitrile group; does not quickly break down in environment, Mixed with a more flammable solvent and incinerated, Generates smoke, carbon dioxide and water vapors, Relative safe, biodegradable; Occurs naturally in small amounts, Burn products include hydrogen chloride which is corrosive, Extremely toxic and corrosive to organisms and environment, Gives off carbon dioxide and water vapors, Addition of a base, which causes polymerization, Burns in the presence of oxygen releasing carbon oxides, water, and various other organic products, Burning, dumping in ground; Desorption by heating it to high temperature and reuse, Unless it adsorbed dangerous volatile compounds or heavy metals, it can be used as a fertilizer (powdered form); Less effective as beads or pellets, Safe, biodegradable; nourishment for many organisms, Diluted with a flammable solvent, like ethanol or acetone and burned; Epoxidation and hydrolysis to glycerol, Loses magnetism when heated and melts at high temperatures, Nickel and cobalt are harmful for the environment, Generates smoke, carbon dioxide and water vapor, Treatment with water, precipitation with a base, No effect; Water solutions however will give off hydrogen chloride vapors, Treatment with water, precipitation with a base; recycling of iodine, No effect; Water solutions however will give off hydrogen iodide and iodine vapors, Incineration outside; Treatment with water, recovery of isopropanol and aluminium oxide/hydroxide or incineration of isopropanol, Melts and decomposes to give various ketones and isopropanol which may ignite; leaves behind alumina residue, Increases level of aluminium from soil, corrosive and harmful to organisms, Pyrolysis; Aqueous ammonia or alkaline hydroxide solution, Not always required, can be dumped in trash, Increases level of aluminium in soil, toxic to animals in large quantities, Burns in air, releasing fumes of phosphorus pentoxide and aluminium oxide, as well as traces of phosphine if any moisture is present, Releases phosphine gas on contact with water, which is deadly to organisms, Releases sulfur oxides at high temperature, Dilute it first; neutralization with a base first is recommended, Increases the aluminium concentration in soil and water, lowers pH, Releases hydrogen sulfide on contact with water, which is toxic to organisms, Burns, may detonate in the presence of metallic impurities, like copper, brass, While ammonium nitrate is a good nitrogen source for plants, TNT is very harmful for wildlife, Not required, can be discarded in any way, Pyrolysis gives nitrogen and carbon oxides, Not required, can be dumped in ground; Pyrolysis done outside, Pyrolysis gives nitrogen, water and carbon/nitrogen oxides, Little is known about its environmental impact, Not required, can be dumped in ground; Careful and controlled pyrolysis, Pyrolysis gives nitrogen, water and carbon/nitrogen oxides; may explode at high temperatures, Safe, nitrogen source for plants; Guanidine derivates occur in guano, Burns, may detonate in the presence of metallic impurities, like copper, While ammonium nitrate is a good nitrogen source for plants, the aluminium, TNT and other impurities present are harmful for wildlife, At high concentrations may generate nitrogen oxides, Not possible (gaseous), safe to pour (as solution), Not possible (gaseous), safe to pour (as solution); Good nitrogen source for plants, Slowly volatilizes and explodes at 400 C releasing nitrogen, hydrogen and ammonia gasses, Decomposes on heating releasing carbon dioxide, ammonia fumes and water vapors, Neutralize it with ammonia; can then poured down the drain, Decomposes to release sulfur oxides and ammonia, Yes, though recommended to neutralize first, Acidic, but once neutralized good nitrogen and sulfur source for plants, While it can be diluted and poured down the drain, it's recommended to neutralize it first; hydrogen peroxide and ammonia can be used to safely neutralize it, Decomposes to release sulfur dioxide and ammonia, Oxidation of aqueous ammonium bisulfite to bisulfate can reduce the amount of dissolved oxygen from water bodies and will lower water pH, Decomposes on heating releasing nitrogen, water, oxygen and hydrogen chloride, sometimes explosively, Decomposes on heating releasing ammonia and hydrogen chloride, Safe, good fertilizer (nitrogen source); May prove unsuitable to chloride sensitive plants, Reducing with a reducing agent, such as sodium metabisulfite, sulfite, bisulfite, ascorbic acid, at acidic pH, Decomposes, the famous volcano reaction, releasing nitrogen gas, water vapors, fine particulates of unburnt ammonium chromate, leaving behind Cr(III) oxide, Cr(VI) ions are carcinogenic and very toxic to organisms, Reducing with a reducing agent, such as sodium metabisulfite, sulfite, bisulfite, ascorbic acid at acidic pH, Decomposes, the famous volcano reaction, releasing nitrogen gas, water vapors, fine particulates of unburnt ammonium dichromate, leaving behind Cr(III) oxide, Not required; Slaked lime can be used to precipitate calcium phosphate, Safe, good fertilizer (nitrogen and phosphorus source), Decomposes on heating to release nitrogen, water and oxygen; may explode if heated too high, While it may be a good fertilizer, its environmental effects are unknown, Decomposes in several steps, releasing ammonia, water, cyanogen, ferric oxide, in air, Low toxicity, environmental effects unknown, Alkali hydroxide, carbonate, sulfate; heating in the presence of a base, Decomposes on heating to release ammonia, carbon monoxide, hydrogen cyanide and water, Alkali hydroxide, carbonate, sulfate; Dilution, poured down the drain, Decomposes on heating to release ammonia, water, leaving behind MoO, Diluted cooled hydrogen peroxide solution, Harmful to organisms, especially aquatic ones, Safe, good fertilizer (nitrogen, iron and sulfur source); May cause algal bloom in water bodies however, Safe, good fertilizer (nitrogen source); May cause algal bloom in water bodies however, Alkali hydroxides; strong dilution followed by heating; will slowly decompose even at room temperature, so you may leave it in a safe area and let it decompose, Decomposes or detonates, releasing nitrogen and water vapors, Decomposes quickly in environment, especially at low pH, Alkali hydroxide, carbonate, sulfate; pyrolysis in the presence of a base, Decomposes on heating to release ammonia, carbon monoxide, oximide, hydrogen cyanide and water vapors, May pose a threat to wildlife in large amounts; Occurs naturally in guano, Reduction with metallic iron under UV light in the absence of air; Heating perchlorate at 200 C with metallic iron for several hours, Decomposes to release nitrogen, water vapors, oxygen and hydrogen chloride, Dissolution in water, followed by reduction with sulfur dioxide or sodium sulfite, thiosulfate or metabisulfite, Detonates above 60-110 C, releasing nitrogen, water vapors and a smoke of manganese dioxide, Strong oxidizer and explosive, hazardous for wildlife, Pyrolysis, hydrolysis, various reducing agents, Decomposes at 120 C releasing sulfur and nitrogen oxides, oxygen and ammonia, Not required; Strong dilution is sufficient, Decomposes on heating to release ammonia, sulfur dioxide, sulfuric acid vapors, Considered to be environmentally friendly due to its degradation to non-harmful residues, Not required; Calcium hydroxide can be used to precipitate calcium sulfate, Safe, good fertilizer (nitrogen and sulfur source); slightly lowers the soil pH, Decomposes releasing hydrogen sulfide and ammonia, Extremely toxic for wildlife; Dangerous for the environment (DSD), Not required, simply pour down the drain; Bleach or hydrogen peroxide can be used if desired, Oxidation of aqueous ammonium sulfite to sulfate can reduce the amount of dissolved oxygen from water bodies; otherwise, safe, used as fertilizer, Precipitation with sodium hydroxide to less sodium fluorides, Emits very toxic fumes of hydrogen fluoride, nitrogen oxides and ammonia, Dilute then pour down the drain; Bleach or hydrogen peroxide can be used if desired, Decomposes to release sulfur dioxide, ammonia, water vapors, May be harmful for aquatic life; safe, used as fertilizer, While ammonium nitrate is a good nitrogen source for plants, the fuel oil (FO) from its composition is harmful for wildlife, Gives off carbon oxides, soot, nitrogen and or nitrogen oxides and water vapor, Dilution with a solvent, followed by incineration; Oxidation with an oxidizing solution, like Fenton's reagent, Gives off carbon oxides, soot and water vapor, While ammonium nitrate is a good nitrogen source for plants, nitromethane and methanol may be harmful for wildlife, Sublimes and decomposes, releasing carbon oxides, water vapors, soot, anilline, Mixed with a more flammable solvent and safely incinerated; Controlled oxidation with Fenton's reagent. 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