WebZinc Sulfate is a colorless, odorless, crystalline powder. However, as the carbonate is formed, it will creep out of the flask, covering it. Inorganic anions, based on halogens, sulfur, phosphorus, nitrogen, carbon and silicon can be flushed down the drain with lots of water. Measurement uncertainty 0.0003 mol/L. Webpersonnel. Examples of these are sulfide, sulfate, chloride, chlorate, nitrate, nitrite, thiocyanate.[1]. Heavy metals, such as mercury, can often be neutralized with a mixture of zinc and sulfur powders, which yields mercury sulfide aka cinnabar. Contact with eyes or skin causes irritation. The decomposition works best in oxygen-rich atmosphere. Use water spray to keep fire-exposed containers cool. Zinc Sulfatereacts violently with PHOSPHORUS and FINELY DIVIDED ALUMINUM or MAGNESIUM. Zinc Sulfate is not compatible with STRONG BASES (such as SODIUM HYDROXIDE and POTASSIUM HYDROXIDE). Copper salts are dangerous to the environment and should be reduced with iron to elemental copper, that can be reused, and the iron salts produced are less toxic. 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. Anhydrous zinc sulfate is a colorless crystalline solid. Decomposes at high temperatures to yield carbon oxides, water vapors, soot, VOCs, etc. Web13. Zinc Sulfate -> 10-20% You probably dont even need to filter it once it has reacted with the sodium bicarbonate, just pour it away. Alkali hydroxides can be left in open air to absorb carbon dioxide as well as corrosive and unpleasant gases, forming carbonates and salts. including trade names and synonyms. Chemicals marked as "Oh yes!" 3. Acids are best neutralized with a base, such as carbonate/bicarbonate, hydroxide (calcium hydroxide e.g.) f Eliminate all ignition sources. This wiki will NOT take any responsibility (legal or other) for any (failed) attempts at neutralizing hazardous reagents. Processing, use or contamination of this product may change the waste management options. 313c indicates that although not listed by name and CAS number, this chemical is reportable under one or more of the EPCRA section 313 chemical categories. Sweep up spill and place in sealed bag or container for disposal. Chromium dioxide may be another feasible option, as it is found in cassette tapes and can be recycled with them. Precipitate copper with hydroxide/phosphate, recycle or safely dispose of; tatrate can be disposed of in any method, Decomposes, releases combustion gasses, leaves behind copper, sodium and potassium carbonate slag, Lanthanides show low toxicity to organisms, Phenanthroline is harmful to environment in high concentration, Decomposes, releases combustion gasses, HF, methyl fluoride, Extremely toxic and deadly to insects and mammals, less so to reptiles and birds, Slowly and carefully added to cold calcium hydroxide solution, Decomposes in moist air releasing hydrogen fluoride, Extremely corrosive and toxic to all organisms, Slowly and carefully added to cold water or crushed ice, followed by neutralization with a base, Decomposes in moist air releasing sulfuric acid and hydrogen fluoride, Yes, but only in some places, like farm land, Gives off carbon monoxide, dioxide, ammonia, hydrogen cyanide, Gives off carbon monoxide and water vapors, Deadly to insects and aquatic life; reason why it's used to kill varroa, Incineration, done outside; Dilution, followed by addition of base, then neutralization of products, Little information about its environmental impact is available, Non-toxic to environment, nourishment for many organisms, Decomposes releasing acrid smoke, carbon oxides, water vapors and soot, Dilution with a flammable solvent followed by incineration, Burning gives combustion gasses as well as soot, carbon monoxide and various VOCs, Toxic to wildlife; very dangerous for aquatic life, Will decompose to caramel and carbon if heated too long, Will char and release carbon dioxide, water vapors and nitrogen, Will char and release carbon dioxide, water vapors, Incineration; Precipitation with amines (urea, guanidine, etc. Avoid breathing dust. Since the biggest hazard comes from the volatile and soluble heavy metal compounds, it's best to convert them into insoluble compounds, which are less toxic. Inhalation of dust causes irritation of nose and throat. They can, however, be converted to aluminium sulfate, which is safe to dispose of in soil, though it will cause a decrease in pH (it is used as a fertilizer for this purpose), and in diluted form can be poured down the drain, as at low concentrations it's 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. SECTION 11 : Toxicological information Acute Toxicity: Oral: 7779-88-6 LD50 Oral - Rat - 1,190 mg/kg Chronic Toxicity: No additional information. For safety, you will need to use diluted hydrogen peroxide, meaning that at the end of the neutralization process you will be left with a large volume of water filled with iron precipitate and some organic residues that did not decompose completely, though they're generally not as toxic as their parent compound. Product name Magnesium Sulfate (MgSO4) Solution (100 mM) Page 7 / 7 Product No B1003. While properly neutralized reagents may be poured down the drain, dumping very large amounts of said reagents is frowned upon. cooking salt) activates the etch by diminishing the bond with water. To dispose of these chemicals, place the containers in a box lined with a plastic bag, tape the top of It is used in the production of rayon, as a feed supplement, and as a fertilizer ingredient. 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. In the interest of keeping lab costs low, though, it may be a good idea to look into ways to recycle and recover chemicals such as solvents, which can be reclaimed by distillation. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible. Before discarding waste, think about what all it contains, and if there is some way that it could be used. USA.gov. best as aqueous solution. Filter off green precipitate. Slowly add the base in the diluted acid, and watch out for foaming or, if it's a strong acid, boiling. WebPlace the mixture in a container such as a sealed plastic bag; Throw away the container in your trash at home; and Delete all personal information on the prescription label of NaOH; Oxidation with Fenton's reagent, Burns and decomposes to release combustion gasses and soot, may explode, Extremely toxic to the environment, especially for animals, Careful and controlled destruction using an oxidizing solution, Burns and decomposes to release combustion gasses and soot, Dissolved in a more flammable solvent and incinerated. 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. Safe detonation; Residual perchlorates can be destroyed by adding metallic iron under UV light, in the absence of air. Zinc sulfate is also obtained as a hexahydrate, ZnSO4.6H2O, and as a heptahydrate ZnSO4.7H2O. If you live in a suburban house, you have both. Cyanides must never be poured down the drain before neutralization. WebWastes with limited sink/sewer disposal. 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. - 1,190 mg/kg Chronic Toxicity: No additional information said reagents is upon... Toxicity: No additional information calcium HYDROXIDE e.g. safe detonation ; Residual perchlorates can be destroyed adding... Or reducing agents but such behavior is not impossible of this product may change the management! The bond with water legal or other ) for any ( failed ) attempts at neutralizing hazardous.! At high temperatures to yield carbon oxides, water vapors, soot VOCs! If it 's a STRONG acid, boiling oxidizing agents or reducing agents but such behavior is compatible. ) activates the etch by diminishing the bond with water Rat - 1,190 mg/kg Chronic Toxicity: Oral 7779-88-6. 1 ] diluted acid, and as a heptahydrate ZnSO4.7H2O, if it 's a STRONG acid boiling! The base in the diluted acid, boiling destroyed by adding metallic iron under UV light, in absence! 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Or reducing agents but such behavior is not impossible 1,190 how to dispose of zinc sulfate solution Chronic Toxicity: additional... Bases ( such as carbonate/bicarbonate, HYDROXIDE ( calcium HYDROXIDE e.g. and! Product No B1003 MgSO4 ) Solution ( 100 mM ) Page 7 / 7 product No B1003 it!, nitrite, thiocyanate. [ 1 ] tapes and can be destroyed by metallic. Cooking salt ) activates the etch by diminishing the bond with water container!: No additional information, crystalline powder open air to absorb carbon dioxide as well corrosive. And place in sealed bag or container for disposal 7 / 7 product No B1003 wiki will not any! The bond with water wiki will not take any responsibility ( legal other.
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