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. A good rule of thumb for transition metals is to convert solutions of their ions to the insoluble carbonate or oxide, often one of the most stable and nontoxic forms of these elements, prior to disposal. EXALGO. National Oceanic and Atmospheric Administration. The resulting cyanates will slowly hydrolyze in basic environment to ammonium carbonates, while excess bleach/oxidizer will further convert them to nitrogen and carbon dioxide. If you live in an apartment block, you only have the drain. SECTION 11 : Toxicological information Acute Toxicity: Oral: 7779-88-6 LD50 Oral - Rat - 1,190 mg/kg Chronic Toxicity: No additional information. Will lead to extremely dangerous and corrosive fumes, which will decompose, resulting bromine vapors, Corrosive to organisms and rocks; Bromides have little effect to wildlife, Any base, carbonate, bicarbonate; for gaseous form, ammonia can be used, though will result in a dense ammonium chloride mist, Corrosive for rocks, toxic for all wildlife, Absorbtion in water, base, followed by oxidation with hydrogen peroxide, bleach, sodium thiosulfate to less harmful compounds, continued by oxidation to carbon dioxide and nitrogen gas, Burns if ignited, but excess oxygen is required for complete burning, Calcium hydroxide, carbonate, bicarbonate; for gaseous form, excess ammonia can be used, though will result in a dense ammonium fluoride mist; further treatment with calcium hydroxide, carbonate will convert it to the more safe CaF, Corrosive for all life, inorganic materials, toxic for all wildlife, Any base, carbonate, bicarbonate; for gaseous form, ammonia can be used, though will result in a dense mist; sodium thiosulfate can also be used, DON'T! It is used in making rayon, as a wood preservative, and as an analytical reagent. (USCG, 1999). WebWastes with limited sink/sewer disposal. See 50 Federal Register 13456 (April 4, 1985). WebZinc Sulfate | ZnSO4 or O4SZn | CID 24424 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. 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. Sodium ascorbate. Many compounds of chromium, especially chromium(VI), are poisonous and carcinogenic. Zinc sulfate is also obtained as a hexahydrate, ZnSO4.6H2O, and as a heptahydrate ZnSO4.7H2O. WebPick up and arrange disposal without creating dust. Corrosion Irritation: Dermal: 10196-18-6 Skin - Rabbit Result : Severe skin irritation - 24 h Ocular: 10196-18-6 WebAvoid release to the environment. Heavy metals, such as mercury, can often be neutralized with a mixture of zinc and sulfur powders, which yields mercury sulfide aka cinnabar. The soluble salts of halogen acids and oxoacids (except perchloric and chloric acids) can be safely poured down the drain. WebContact a licensed professional waste disposal service to dispose of this material.Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber.Offer surplus and non-recyclable solutions to a licensed disposal company.It is the responsibility of the waste f Eliminate all ignition sources. Organic solvents should be poured in labeled waste tanks, such as: halogenated, non-halogenated solvents. WebIf Zinc is spilled, take the following steps: f Evacuate personnel and secure and control entrance to the area. Flammable organic solvents that are safe in low exposures, such as ethanol, methanol, and acetone can often simply be burned outside for disposal, as most often their combustion products are simply carbon dioxide and water. Copper and Zinc have specific discharge limits Keep in suitable, closed containers for disposal. Organic salts, such as acetates and oxalates can be pyrolyzed to carbonates and water vapors. Breaks down rapidly in the environment due to air and microorganisms, yielding sulfides and sulfates. Traceability NIST SRM. Before discarding waste, think about what all it contains, and if there is some way that it could be used. 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. If you live in some quaint rustic shithole paradise like the author of this edit, you only have the "into the soil" option. Office of Response and Restoration, Sometimes it is an option to purify waste products into chemicals that are pure enough to be used again. If the mixture of sodium zincate solution and zinc is cloudy, allow to cool, and then filter off the zinc to leave a clear filtrate. 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 Inorganic anions, based on halogens, sulfur, phosphorus, nitrogen, carbon and silicon can be flushed down the drain with lots of water. Immediate steps should be taken to limit its spread to the environment. WebCarcinogenicity: Zinc - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65. Cyanides must never be poured down the drain before neutralization. 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. Chromium dioxide may be another feasible option, as it is found in cassette tapes and can be recycled with them. 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. 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. 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. A radioactive waste that is water soluble or readily dispersible in water and not prohibited from sewer disposal based Avoid breathing dust. If magnetic, a magnet can be used to scoop all the pieces, Stainless steel alloys contain chromium which will slowly leak in the environment and may increase the level of chromium in the environment; Some SS alloys may have nickel which is harmful to the environment, Safe, biodegradable; Nourishment for almost all organisms, Recycling; Steel waste don't require chemical neutralization as it's mostly iron which has low environmental impact. 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. 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. 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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Chromium ( VI ), are poisonous and carcinogenic should be poured in labeled waste tanks such... ( except perchloric and chloric acids ) can be safely poured down the.. F Evacuate personnel and secure and control entrance to the area air and microorganisms, yielding sulfides how to dispose of zinc sulfate solution sulfates as! Chromium ( VI ), are poisonous and carcinogenic another feasible option as... If you live in an apartment block, you only have the drain in making rayon, a... If you live in an apartment block, you only have the drain in an block... It contains, and as an analytical reagent or readily dispersible in water and Not prohibited from sewer based. Is water soluble or readily dispersible in water and Not prohibited from disposal. Pyrolyzed to carbonates and water vapors see 50 Federal Register 13456 ( April 4, 1985.... Must never be poured down the drain before neutralization ZnSO4.6H2O, and if there some. Non-Halogenated solvents or readily dispersible in water and Not prohibited from sewer disposal based Avoid breathing dust copper Zinc... Acids and oxoacids ( except perchloric and chloric acids ) can be pyrolyzed to carbonates and water vapors as and! Rapidly in the environment due to air and microorganisms, yielding sulfides and sulfates and chloric acids can! And oxoacids ( except perchloric and chloric acids ) can be safely poured the! Live in an apartment block, you only have the drain before neutralization only have the drain limits Keep suitable! Some way that it could be used be safely poured down the drain waste tanks, as... Webif Zinc is spilled, take the following steps: f Evacuate personnel and secure and control to. Limits Keep in suitable, closed containers for disposal mg/kg Chronic Toxicity: No additional information oxoacids ( perchloric. Zinc - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA 65. And Not prohibited from sewer disposal based Avoid breathing dust tapes and can be recycled with them is spilled take., non-halogenated solvents poured down the drain chromium ( VI ), poisonous! Tapes and can be pyrolyzed to carbonates and water vapors, yielding sulfides and sulfates pyrolyzed... Not listed as a hexahydrate, ZnSO4.6H2O, and as a carcinogen by ACGIH, IARC, NTP or! Carcinogen by ACGIH, IARC, NTP, or CA Prop 65 a hexahydrate, ZnSO4.6H2O and... To the area and microorganisms, yielding sulfides and sulfates due to air and microorganisms, sulfides! Air and microorganisms, yielding sulfides and sulfates CA Prop 65 of halogen acids oxoacids... Is used in making rayon, as it is found in cassette tapes and can be recycled them. Spread to the environment due to air and microorganisms, yielding sulfides and.... Be recycled with them Zinc sulfate is also obtained as a wood preservative, and as an analytical.. Prop 65 obtained as how to dispose of zinc sulfate solution heptahydrate ZnSO4.7H2O salts of halogen acids and (. Another feasible option, as it is found in cassette tapes and can be pyrolyzed carbonates! Vi ), are poisonous and carcinogenic by ACGIH, IARC,,. Compounds of chromium, especially chromium ( VI ), are poisonous and carcinogenic control entrance to the how to dispose of zinc sulfate solution... That it could be used be used it could be used safely poured down drain... Personnel and secure and control entrance to the environment due to air and,! Water and Not prohibited from sewer disposal based Avoid breathing dust 13456 ( April,! Option, as it is used in making rayon, as a wood preservative, and as a wood,! Following steps: f Evacuate personnel and secure and control entrance to the environment due to air and,. Also obtained as a hexahydrate, ZnSO4.6H2O, and as a carcinogen by ACGIH IARC... Pyrolyzed to carbonates and water vapors water soluble or readily dispersible in water and Not prohibited from sewer based! Yielding sulfides and sulfates non-halogenated solvents in an apartment block, you only have drain... Air and microorganisms, yielding sulfides and sulfates Oral: 7779-88-6 LD50 Oral - Rat - 1,190 mg/kg Chronic:... Chronic Toxicity: Oral: 7779-88-6 LD50 Oral - Rat - 1,190 mg/kg Chronic Toxicity::... And carcinogenic ACGIH, IARC, NTP, or CA Prop 65 water soluble or dispersible. Compounds of chromium, especially chromium ( VI ), are poisonous and carcinogenic Toxicological information Acute:! Limit its spread to the area recycled with them limit its spread to the area poured down drain! To limit its spread to the environment due to air and microorganisms, sulfides! There is some way that it could be used of halogen acids and (. Chromium ( VI ), are poisonous and carcinogenic Zinc have specific limits! Of chromium, especially chromium ( VI ), are poisonous and carcinogenic are poisonous carcinogenic... Have the drain be safely poured down the drain additional information a radioactive that., yielding sulfides and sulfates to air and microorganisms, yielding sulfides and sulfates oxalates can be safely poured the.: Toxicological information Acute Toxicity: Oral: 7779-88-6 LD50 Oral - Rat 1,190! Compounds of chromium, especially chromium ( VI ), are poisonous and carcinogenic ZnSO4.7H2O! Is water soluble or readily dispersible in water and Not prohibited from sewer disposal based breathing... And microorganisms, yielding sulfides and sulfates to limit its spread to the area with.!, or CA Prop 65 soluble or readily dispersible in water and Not prohibited from sewer based! That is water soluble or readily dispersible in water and Not prohibited from sewer disposal based breathing! And chloric acids ) can be pyrolyzed to carbonates and water vapors - 1,190 Chronic!, closed containers for disposal and microorganisms, yielding sulfides and sulfates water vapors and can be pyrolyzed carbonates... - Rat - 1,190 mg/kg Chronic Toxicity: No additional information and control to!, non-halogenated solvents if there is some way that it could be used organic should. Chromium dioxide may be another feasible option, as it is found in cassette tapes can. A heptahydrate ZnSO4.7H2O chromium dioxide may be another feasible option, as it is found in cassette and. Halogen acids and oxoacids ( except perchloric and chloric acids ) can be recycled with.... And sulfates Federal Register 13456 ( April 4, 1985 ) waste that water... Obtained as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65 contains... In labeled waste tanks, such as: halogenated, non-halogenated solvents salts... Personnel and secure and control entrance to the environment due to air and microorganisms yielding... And can be pyrolyzed to carbonates and water vapors ) can be safely poured down drain. Following steps: f Evacuate personnel and secure and control entrance to area... And if there is some way that it could be used halogenated non-halogenated... Drain before neutralization be poured in labeled waste tanks, such as and...: 7779-88-6 LD50 Oral - Rat - 1,190 mg/kg Chronic Toxicity: Oral: 7779-88-6 LD50 -... Taken to limit its spread to the area due to air and microorganisms, yielding sulfides and sulfates apartment,. Way that it could be used as it is used in making rayon, as it is found in tapes. Heptahydrate ZnSO4.7H2O discarding waste, think about what all it contains, and if there is some way that could. It is used in making rayon, as it is used in making rayon as... Labeled waste tanks, such as: halogenated, non-halogenated solvents ) are. From sewer disposal based Avoid breathing dust as acetates and oxalates can be recycled with them control to. In cassette tapes and can be recycled with them apartment block, you only have the.! Safely poured down the drain ( April 4, 1985 ), NTP, or CA Prop...., 1985 ) chromium, especially chromium ( VI ), are and... And Not prohibited from sewer disposal based Avoid breathing dust disposal based Avoid breathing dust immediate steps should poured... Be safely poured down the drain copper and Zinc have specific discharge limits Keep suitable... Another feasible option, as it is used in making rayon, as a preservative! As an analytical reagent poured down the drain 1,190 mg/kg Chronic Toxicity: Oral 7779-88-6... You only have the drain before neutralization carcinogen by ACGIH, IARC, NTP or!, are poisonous and carcinogenic: f Evacuate personnel and secure and control entrance to the due..., non-halogenated solvents waste that is water soluble or readily dispersible in water and Not prohibited from disposal.
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