Copper and Zinc have specific discharge limits Contact the Office of Environmental Health at 255-4862 or the Office of Life Safety Services at 255-8200 prior to discharging any copper or zinc. Materials listed below in quantities up to about 100 g or 100 ml at a time are suitable for disposal down the drain while flushing with excess water. acidified solution, Extremely toxic to all organisms; metal salts are sensitive explosives, Avoid releasing in environment, toxic, carcinogen, Careful addition to bleach; Dissolved in a flammable solvent and incinerated, Degradation releases free cyanide, which is extremely toxic to organisms, Turns into caramel if gently heated and soot at high temperatures, Aqueous solution of NaOH, slow addition; poured down the drain after neutralization, Above 205 C decomposes to water, sulfur trioxide, sulfur dioxide and nitrogen, Not required, small amounts can be poured down the drain or trash, Decomposes releasing carbon and sulfur oxides, nitrogen gas and soot, Toxic to microbial life and harmful to aquatic bodies, Neutralization with a base; Destruction with an oxidizing agent, may not be required for small amounts, Any base, carbonate, bicarbonate, best as aqueous solution/suspension, Any base, bleach (solution); hydrogen sulfide, ammonia (gaseous), Deadly and extremely corrosive to all life; contact with moist air produces sulfuric acid mist; contributes to acid rain, May lead to sulfur dioxides and fluorine at very high temperatures, Only if it's followed by large amounts of water; Though best to neutralize it first, Corrosive and deadly to wildlife; Lowers soil pH; Corrosive to rocks, While ammonium nitrate is a good nitrogen source for plants, the aluminium and other impurities present are generally harmful for wildlife, Safe, low toxicity; occurs naturally in fruits in large concentrations, Strong dilution in lots of water an poured down the drain; Oxidation with Fenton's reagent, chromic acid, Incineration in a kiln; Oxidation with Fenton's reagent, Burns and decomposes to release combustion gases and soot, Toxic to the environment, though limited data is available, Effects unknown, may stimulate plant growth, No required, simply dump in trash or recycle, Breaks down at high temperatures to release carbon oxides, Breaks down at high temperatures to release sulfur oxides, Incineration, oxidation with Fenton's reagent, strongly diluted and poured down the drain, Poses moderate toxicity to wildlife, water bodies, Incineration, oxidation with Fenton's reagent; hydrolysis, followed by dilution, then poured down the drain, Will burn to release carbon dioxide, water vapors and HCl fumes, Gives off water vapors and ammonia, leaving copper oxide behind, Yes, unless there's copper or brass plumbing, Copper ions pose toxicity to most organisms, Detonation, releasing ammonia, sulfur dioxide copper oxide, Addition of diluted mineral acid; Addition of aq. Breaks down rapidly in the environment due to air and microorganisms, yielding sulfides and sulfates. If you live in a suburban house, you have both. Measurement uncertainty 0.0003 mol/L. Other: See actual entry in RTECS for complete information. You probably dont even need to filter it once it has reacted with the sodium bicarbonate, just pour it away. However, as the carbonate is formed, it will creep out of the flask, covering it. Another simple solution is to reduce the ions back to the metal. 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. Place in a separate labeled container for recycling or disposal. Some MSDS sheets recommend that rare earths be converted to their oxalates or carbonates and disposed of in the trash. 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 used in the treatment of water. WebAdd sodium bicarbonate solution. NaOH to hydrolyze butyl derivates to butanol; Separation of compounds, incineration of butanol; Tin waste can be dumped in trash or taken to disposal centers, Decomposes above 265 C, may ignite in open air above 107 C in the presence of a flame, Gives off hydrochloric acid fumes, leaving copper oxide behind, Incineration, done outside; Controlled oxidation with Fenton's reagent, Displays moderate toxicity to aquatic life, Decomposes to release sulfur dioxide and carbon dioxide, Not useful; Decomposes to release sulfur dioxide and chlorine, Generates carbon oxides, water vapor, sulfur oxides, soot, sulfur, Pyrolysis, preferably in an oxidizing atmosphere; strong dilution and poured down the drain, Generates carbon oxides, sulfur oxides, water vapors and nitrogen, Excess base, carbonate, bicarbonate; Should be taken to waste disposal centers, Gives off hydrochloric acid fumes in the presence of moisture, Any base, carbonate, bicarbonate; Should be taken to waste disposal centers, Gives off hydrochloric acid fumes in moist air, Not useful; Fuses in the presence of alkaline and alkaline-earth oxides and hydroxides to titanates, May lead to staining water bodies and soil in a white color, Dissolving it in water, followed by precipitation of titanium dioxide by adding an alkali, Potentially harmful; Nitrates may serve as nourishment for plants; Titanium compounds show moderate toxicity, Not useful; May react with alkaline and alkaline-earth oxides and hydroxides to titanates, CAREFUL addition to a diluted aqueous alkaline solution, Sodium hydroxide; Oxidation with Fenton's reagent, Sodium thiosulfate, sulfite, bisulfite, metabisulfite, Diluted with another solvent, followed by incineration, Burns in air, releasing carbon dioxide, water vapors, soot and acrid fumes, Low toxicity to organisms, may harm water bodies, Diluted with another solvent, followed by incineration; Neutralization with an acid and destroyed via oxidation, Toxic to most lifeforms, dangerous to water bodies, Corrosive and poisonous to organisms; does not readily degrade in environment, but does not bioaccumulate, Decomposes and may ignite at high temperatures, releasing carbon and phopshorus oxides, Burns in air releasing carbon and phosphorus oxides, Extremely toxic to organisms; Other environmental effects unknown, Strong dilution, followed by addition of dil. Sweep up and shovel. Decomposes at very high temperatures to yield carbon oxides, water vapor, soot, VOCs, etc. An alcohol burner can be used to burn these liquids. ALWAYS CHECK THE LOCAL LAWS BEFORE DISPOSING OF ANY REAGENT! Care must be taken to avoid excess heating with strong bases. (Zinc sulfate) Transport hazard class(es) Class: 9 Miscellaneous dangerous substances and articles Packing group:III Environmental hazard: Transport in bulk: Name: Marine Pollutant Sodium ascorbate. 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. Inorganic anions, based on halogens, sulfur, phosphorus, nitrogen, carbon and silicon can be flushed down the drain with lots of water. WebExcerpt from ERG Guide 171 [Substances (Low to Moderate Hazard)]: IMMEDIATE PRECAUTIONARY MEASURE: Isolate spill or leak area in all directions for at least 50 Many of these compounds catalyze organic reactions. WebSoak up with inert absorbent material and dispose of as hazardous waste. Sweep up spill and place in sealed bag or container for disposal. 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. Office of Response and Restoration, Keep in suitable, closed containers for disposal. WebExamples of chemicals acceptable for disposal as regular trash are listed below. Eliminate all ignition sources. best as aqueous solution. WebZinc Sulfate is a colorless, odorless, crystalline powder. Title: Safety Data Sheet for Magnesium Sulfate (MgSO4) Solution (100 mM) (B1003) Author: New England Biolabs, Inc. 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. 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. Discard solution down the drain. Radioactive Wastes. Zinc sulfate is also obtained as a hexahydrate, ZnSO4.6H2O, and as a heptahydrate ZnSO4.7H2O. This section provides a listing of alternate names for this chemical, Organic solvents should be poured in labeled waste tanks, such as: halogenated, non-halogenated solvents. ), 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. All forms are soluble in water. Boils and breaks down to bromine, hydrogen bromide and phosphorous acids in the presence of air/moisture, Suspension of calcium hydroxide, sodium thiosulfate, cooled; PCl, Sodium thiosulfate solution/suspension; PI, Very toxic and corrosive to organisms and rocks, Suspension of calcium hydroxide, sodium thiosulfate, cooled; POBr, Suspension of calcium hydroxide, sodium thiosulfate, cooled; POCl, Oxidation with oxidizing solutions, such as chromic acid, Fenton's reagent, piranha solution, Hydrolysis with aqueous sodium hydroxide; oxidation with Fenton's reagent; Containers with dry picric acid should be taken by professionals and safely detonated in a remote location, Gives off carbon dioxide, water vapors, soot, VOCs, Strongly diluted with a flammable solvent and safely incinerated, Gives off carbon dioxide, water vapors, may explode if impurities present, Not required; Can simply be dumped in trash, Generates toxic fluorine, hydrogen fluoride, fluorocarbons and carbon oxide vapors, Resistant to most corrosive chemicals, cannot be digested by wildlife. Wear nitrile rubber gloves, laboratory coat, and eye protection. APADAZ, HYSINGLA ER, NORCO, REPREXAIN, VICODIN, VICODIN ES, VICODIN HP, VICOPROFEN, ZOHYDRO ER. Section 13 - Disposal Considerations Dispose of in a manner consistent with federal, state, and local regulations. Green precipitate of copper carbonate forms. Traceability NIST SRM. in the table below are harmless and even useful in agriculture as fertilizers. Products containing zinc sulfate can be granular, pelleted, tableted, wettable powders, or dusts. Filter off green precipitate. f Eliminate all ignition sources. Nickel and perchlorates are toxic to environment, Not required; can be dumped in trash or taken to waste disposal centers, Yes (if pure); No (if it contains cobalt), Toxic to the environment if it contains cobalt, Generates carbon oxides, nitrogen fumes; May corrode metal container, if done in one, May cause uncontrolled algae growth in water bodies, Decomposes when burned; May explode if heated at high temperatures, Safe, good fertilizer; May cause uncontrolled algae growth in water bodies, Water, iron(III) oxide, manganese dioxide, Decomposes when heated to high temperatures, releasing water vapor, Yes, though not recommended in large quantities, Irritant and corrosive to large organisms, kills small organisms, Not required; should be taken to disposal facilities, Not useful; Turns into oxides of lower states at high temperatures, Not required; and oxidizing mixture may be used to oxidize it completely if desired, Decomposes above 250 C to release carbon dioxide, water vapors and soot, There is little data available for its environmental effects, doesn't appear to be toxic, Lethal to small animals and toxic to larger ones in small amounts; Not suspected to be bioaccumulative, Uncomposted wood is harmful for environment, especially sawdust, Melts at 70 C and gives off harmful cadmium fumes at high temperatures, While bismuth and tin don't present great hazard to environment, lead and cadmium do, Oxidation with Fenton's reagent; Incineration, best with an afterburner, Burns in air, to release combustion gasses, soot and VOCs, Toxic to wildlife and hazardous to water bodies, Cannot be digested by most lifeforms, otherwise little to no toxicity to most organisms; It is however known to be fatal to dogs and some birds, Recycling; Traces of zamak waste can be dissolved with nitric acid, followed by neutralization of leftover acid, recovering copper and zinc via electrowinning, Not useful; melts above 380 C and may fume, Low quality zamak may contain lead or cadmium which are harmful to the environment, Unless contaminated with hazardous compounds, it poses little danger to environment, Breaks down to zinc oxide, carbon oxides, water, acetone, acetic anhydride (?) , tableted, wettable powders, or dusts once it has reacted with the sodium,. 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