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HomeRCRA CodesU List

RCRA List

U

Toxic Discarded Chemical Products

246 codes available

Codes Available

246

List

U

Regulation

40 CFR 261

Unused commercial chemical products that are toxic when discarded, from acetone (U002) to solvents and manufacturing intermediates. The code applies to the unused chemical, not process waste containing it.

Waste Codes in the U List

CodeDescriptionCAS Number
U001Acetaldehyde75-07-0
U002Acetone67-64-1
U003Acetonitrile75-05-8
U004Acetophenone98-86-2
U005Acetamide, N-9H-fluoren-2-yl-53-96-3
U006Acetyl chloride75-36-5
U007Acrylamide79-06-1
U008Acrylic acid79-10-7
U009Acrylonitrile107-13-1
U010Mitomycin C50-07-7
U011Amitrole61-82-5
U012Aniline62-53-3
U014Auramine492-80-8
U015Azaserine115-02-6
U016Benz[c]acridine225-51-4
U017Benzal chloride98-87-3
U018Benz[a]anthracene56-55-3
U019Benzene71-43-2
U020Benzenesulfonic acid chloride98-09-9
U021Benzidine92-87-5
U022Benzo[a]pyrene50-32-8
U023Benzene, (trichloromethyl)-98-07-7
U024Dichloromethoxy ethane111-91-1
U025Dichloroethyl ether111-44-4
U026Chlornaphazin494-03-1
U027Dichloroisopropyl ether108-60-1
U028Diethylhexyl phthalate117-81-7
U029Methane, bromo-74-83-9
U030Benzene, 1-bromo-4-phenoxy-101-55-3
U031n-Butyl alcohol71-36-3
U032Calcium chromate13765-19-0
U033Carbonic difluoride353-50-4
U034Acetaldehyde, trichloro-75-87-6
U035Chlorambucil305-03-3
U036Chlordane, alpha & gamma isomers57-74-9
U037Benzene, chloro-108-90-7
U038Chlorobenzilate510-15-6
U039p-Chloro-m-cresol59-50-7
U041Epichlorohydrin106-89-8
U0422-Chloroethyl vinyl ether110-75-8
U043Ethene, chloro-75-01-4
U044Chloroform67-66-3
U045Methane, chloro-74-87-3
U046Chloromethyl methyl ether107-30-2
U047beta-Chloronaphthalene91-58-7
U048o-Chlorophenol95-57-8
U049Benzenamine, 4-chloro-2-methyl-, hydrochloride3165-93-3
U050Chrysene218-01-9
U051Creosote—
U052Cresol (Cresylic acid)1319-77-3
U053Crotonaldehyde4170-30-3
U055Cumene98-82-8
U056Benzene, hexahydro-110-82-7
U057Cyclohexanone108-94-1
U058Cyclophosphamide50-18-0
U059Daunomycin20830-81-3
U060DDD (Benzene, 1,1′-(2,2-dichloroethylidene)bis[4-chloro-)72-54-8
U061DDT (Benzene, 1,1′-(2,2,2-trichloroethylidene)bis[4-chloro-)50-29-3
U062Diallate2303-16-4
U063Dibenz[a,h]anthracene53-70-3
U064Benzo[rst]pentaphene189-55-9
U0661,2-Dibromo-3-chloropropane96-12-8
U067Ethylene dibromide106-93-4
U068Methane, dibromo-74-95-3
U069Dibutyl phthalate84-74-2
U070o-Dichlorobenzene95-50-1
U071m-Dichlorobenzene541-73-1
U072p-Dichlorobenzene106-46-7
U073[1,1′-Biphenyl]-4,4′-diamine, 3,3′-dichloro-91-94-1
U0742-Butene, 1,4-dichloro-764-41-0
U075Dichlorodifluoromethane75-71-8
U076Ethylidene dichloride75-34-3
U077Ethylene dichloride107-06-2
U0781,1-Dichloroethylene75-35-4
U0791,2-Dichloroethylene156-60-5
U080Methane, dichloro-75-09-2
U0812,4-Dichlorophenol120-83-2
U0822,6-Dichlorophenol87-65-0
U083Propylene dichloride78-87-5
U0841,3-Dichloropropene542-75-6
U0852,2′-Bioxirane1464-53-5
U086N,N′-Diethylhydrazine1615-80-1
U087O,O-Diethyl S-methyl dithiophosphate3288-58-2
U088Diethyl phthalate84-66-2
U089Diethylstilbesterol56-53-1
U090Dihydrosafrole94-58-6
U091[1,1′-Biphenyl]-4,4′-diamine, 3,3′-dimethoxy-119-90-4
U092Dimethylamine124-40-3
U093p-Dimethylaminoazobenzene60-11-7
U094Benz[a]anthracene, 7,12-dimethyl-57-97-6
U095[1,1′-Biphenyl]-4,4′-diamine, 3,3′-dimethyl-119-93-7
U096alpha,alpha-Dimethylbenzylhydroperoxide80-15-9
U097Carbamic chloride, dimethyl-79-44-7
U0981,1-Dimethylhydrazine57-14-7
U0991,2-Dimethylhydrazine540-73-8
U1012,4-Dimethylphenol105-67-9
U102Dimethyl phthalate131-11-3
U103Dimethyl sulfate77-78-1
U105Benzene, 1-methyl-2,4-dinitro-121-14-2
U106Benzene, 2-methyl-1,3-dinitro-606-20-2
U107Di-n-octyl phthalate117-84-0
U1081,4-Diethyleneoxide123-91-1
U1091,2-Diphenylhydrazine122-66-7
U110Dipropylamine142-84-7
U111Di-n-propylnitrosamine621-64-7
U112Acetic acid ethyl ester141-78-6
U113Ethyl acrylate140-88-5
U114Ethylenebisdithiocarbamic acid, salts & esters—
U115Ethylene oxide75-21-8
U116Ethylenethiourea96-45-7
U117Ethyl ether60-29-7
U118Ethyl methacrylate97-63-2
U119Ethyl methanesulfonate62-50-0
U120Fluoranthene206-44-0
U121Methane, trichlorofluoro-75-69-4
U122Formaldehyde50-00-0
U123Formic acid64-18-6
U124Furan110-00-9
U125Furfural98-01-1
U126Glycidylaldehyde765-34-4
U127Benzene, hexachloro-118-74-1
U128Hexachlorobutadiene87-68-3
U129Lindane58-89-9
U130Hexachlorocyclopentadiene77-47-4
U131Ethane, hexachloro-67-72-1
U132Hexachlorophene70-30-4
U133Hydrazine302-01-2
U134Hydrofluoric acid7664-39-3
U135Hydrogen sulfide7783-06-4
U136Arsinic acid, dimethyl-75-60-5
U137Indeno[1,2,3-cd]pyrene193-39-5
U138Methane, iodo-74-88-4
U140Isobutyl alcohol78-83-1
U141Isosafrole120-58-1
U142Kepone143-50-0
U143Lasiocarpine303-34-4
U144Lead acetate301-04-2
U145Lead phosphate7446-27-7
U146Lead, bis(acetato-O)tetrahydroxytri-1335-32-6
U147Maleic anhydride108-31-6
U148Maleic hydrazide123-33-1
U149Malononitrile109-77-3
U150Melphalan148-82-3
U151Mercury7439-97-6
U152Methacrylonitrile126-98-7
U153Methanethiol74-93-1
U154Methanol67-56-1
U155Methapyrilene91-80-5
U156Carbonochloridic acid, methyl ester79-22-1
U157Benz[j]aceanthrylene, 1,2-dihydro-3-methyl-56-49-5
U158Benzenamine, 4,4′-methylenebis[2-chloro-101-14-4
U159Methyl ethyl ketone (MEK)78-93-3
U160Methyl ethyl ketone peroxide1338-23-4
U161Methyl isobutyl ketone108-10-1
U162Methyl methacrylate80-62-6
U163Guanidine, N-methyl-N′-nitro-N-nitroso-70-25-7
U164Methylthiouracil56-04-2
U165Naphthalene91-20-3
U1661,4-Naphthalenedione130-15-4
U167alpha-Naphthylamine134-32-7
U168beta-Naphthylamine91-59-8
U169Benzene, nitro-98-95-3
U170p-Nitrophenol100-02-7
U1712-Nitropropane79-46-9
U172N-Nitrosodi-n-butylamine924-16-3
U173N-Nitrosodiethanolamine1116-54-7
U174Ethanamine, N-ethyl-N-nitroso-55-18-5
U176N-Nitroso-N-ethylurea759-73-9
U177N-Nitroso-N-methylurea684-93-5
U178Carbamic acid, methylnitroso-, ethyl ester615-53-2
U179N-Nitrosopiperidine100-75-4
U180N-Nitrosopyrrolidine930-55-2
U181Benzenamine, 2-methyl-5-nitro-99-55-8
U182Paraldehyde123-63-7
U183Benzene, pentachloro-608-93-5
U184Ethane, pentachloro-76-01-7
U185Benzene, pentachloronitro-82-68-8
U1861-Methylbutadiene504-60-9
U187Phenacetin62-44-2
U188Phenol108-95-2
U189Phosphorus sulfide1314-80-3
U190Phthalic anhydride85-44-9
U1912-Picoline109-06-8
U192Pronamide23950-58-5
U1931,2-Oxathiolane, 2,2-dioxide1120-71-4
U194n-Propylamine107-10-8
U196Pyridine110-86-1
U197p-Benzoquinone106-51-4
U200Reserpine50-55-5
U201Resorcinol108-46-3
U203Safrole94-59-7
U204Selenious acid7783-00-8
U205Selenium sulfide7488-56-4
U206Streptozotocin18883-66-4
U207Benzene, 1,2,4,5-tetrachloro-95-94-3
U208Ethane, 1,1,1,2-tetrachloro-630-20-6
U209Ethane, 1,1,2,2-tetrachloro-79-34-5
U210Ethene, tetrachloro-127-18-4
U211Carbon tetrachloride56-23-5
U213Furan, tetrahydro-109-99-9
U214Thallium(I) acetate563-68-8
U215Thallium(I) carbonate6533-73-9
U216Thallium(I) chloride7791-12-0
U217Thallium(I) nitrate10102-45-1
U218Ethanethioamide62-55-5
U219Thiourea62-56-6
U220Benzene, methyl-108-88-3
U221Benzenediamine, ar-methyl-25376-45-8
U222o-Toluidine hydrochloride636-21-5
U223Toluene diisocyanate26471-62-5
U225Bromoform75-25-2
U226Methyl chloroform71-55-6
U227Ethane, 1,1,2-trichloro-79-00-5
U228Ethene, trichloro-79-01-6
U234Benzene, 1,3,5-trinitro-99-35-4
U2351-Propanol, 2,3-dibromo-, phosphate (3:1)126-72-7
U236Trypan blue72-57-1
U237Uracil mustard66-75-1
U238Carbamic acid, ethyl ester51-79-6
U239Benzene, dimethyl-1330-20-7
U240Acetic acid, (2,4-dichlorophenoxy)-, salts & esters—
U243Hexachloropropene1888-71-7
U244Thiram137-26-8
U246Cyanogen bromide (CN)Br506-68-3
U247Methoxychlor72-43-5
U2482H-1-Benzopyran-2-one, 4-hydroxy-3-(3-oxo-1-phenyl-butyl)-, & salts, when present at concentrations of 0.3% or less—
U249Zinc phosphide Zn 3 P 2 , when present at concentrations of 10% or less1314-84-7
U271Benomyl.17804-35-2
U278Bendiocarb.22781-23-3
U279Carbaryl.63-25-2
U280Barban.101-27-9
U328o-Toluidine95-53-4
U353p-Toluidine106-49-0
U359Ethylene glycol monoethyl ether110-80-5
U364Bendiocarb phenol.22961-82-6
U367Carbofuran phenol.1563-38-8
U372Carbendazim.10605-21-7
U373Propham.122-42-9
U387Carbamothioic acid, dipropyl-, S-(phenylmethyl) ester.52888-80-9
U389Triallate.2303-17-5
U394A2213.30558-43-1
U395Diethylene glycol, dicarbamate.5952-26-1
U404Ethanamine, N,N-diethyl-121-44-8
U409Thiophanate-methyl.23564-05-8
U410Ethanimidothioic acid, N,N′- [thiobis[(methylimino)carbonyloxy]]bis-, dimethyl ester59669-26-0
U411Propoxur.114-26-1

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