{"data":{"id":"us/40-cfr-table-1-to-subpart-f-of-part-63","jurisdiction":"us","citation":"40 CFR Table 1 to Subpart F of Part 63","heading":"Table 1 to Subpart F of Part 63—Synthetic Organic Chemical Manufacturing Industry Chemicals","body":"Chemical name a CAS No. b Group\nAcenaphthene 83329 V\nAcetal 105577 V\nAcetaldehyde 75070 II\nAcetamide 60355 II\nAcetanilide 103844 II\nAcetic acid 64197 II\nAcetic anhydride 108247 II\nAcetoacetanilide 102012 III\nAcetone 67641 I\nAcetone cyanohydrin 75865 V\nAcetonitrile 75058 I\nAcetophenone 98862 I\nAcrolein 107028 IV\nAcrylamide 79061 I\nAcrylic acid 79107 IV\nAcrylonitrile 107131 I\nAdiponitrile 111693 I\nAlizarin 72480 V\nAlkyl anthraquinones 008 V\nAllyl alcohol 107186 I\nAllyl chloride 107051 IV\nAllyl cyanide 109751 IV\nAminophenol sulfonic acid 0010 V\nAminophenol (p-) 123308 I\nAniline 62533 I\nAniline hydrochloride 142041 III\nAnisidine (o-) 90040 II\nAnthracene 120127 V\nAnthraquinone 84651 III\nAzobenzene 103333 I\nBenzaldehyde 100527 III\nBenzene 71432 I\nBenzenedisulfonic acid 98486 I\nBenzenesulfonic acid 98113 I\nBenzil 134816 III\nBenzilic acid 76937 III\nBenzoic acid 65850 III\nBenzoin 119539 III\nBenzonitrile 100470 III\nBenzophenone 119619 I\nBenzotrichloride 98077 III\nBenzoyl chloride 98884 III\nBenzyl acetate 140114 III\nBenzyl alcohol 100516 III\nBenzyl benzoate 120514 III\nBenzyl chloride 100447 III\nBenzyl dichloride 98873 III\nBiphenyl 92524 I\nBisphenol A 80057 III\nBis(Chloromethyl) Ether 542881 I\nBromobenzene 108861 I\nBromoform 75252 V\nBromonaphthalene 27497514 IV\nButadiene (1,3-) 106990 II\nButanediol (1,4-) 110634 I\nButyl acrylate (n-) 141322 V\nButylene glycol (1,3-) 107880 II\nButyrolactone 96480 I\nCaprolactam 105602 II\nCarbaryl 63252 V\nCarbazole 86748 V\nCarbon disulfide 75150 IV\nCarbon tetrabromide 558134 II\nCarbon tetrachloride 56235 I\nCarbon tetrafluoride 75730 II\nChloral 75876 II\nChloroacetic acid 79118 II\nChloroacetophenone (2-) 532274 I\nChloroaniline (p-) 106478 II\nChlorobenzene 108907 I\n2-Chloro-1,3-butadiene (Chloroprene) 126998 II\nChlorodifluoroethane 25497294 V\nChlorodifluoromethane 75456 I\nChloroform 67663 I\nChloronaphthalene 25586430 IV\nChloronitrobenzene 121733 I\n(m-).\nChloronitrobenzene 88733 I\n(o-).\nChloronitrobenzene 100005 I\n(p-).\nChlorophenol (m-) 108430 II\nChlorophenol (o-) 95578 II\nChlorophenol (p-) 106489 II\nChlorotoluene (m-) 108418 III\nChlorotoluene (o-) 95498 III\nChlorotoluene (p-) 106434 III\nChlorotrifluoromethane 75729 II\nChrysene 218019 V\nCresol and cresylic acid (m-) 108394 III\nCresol and cresylic acid (o-) 95487 III\nCresol and cresylic acid (p-) 106445 III\nCresols and cresylic acids (mixed) 1319773 III\nCumene 98828 I\nCumene hydroperoxide 80159 I\nCyanoacetic acid 372098 II\nCyclohexane 110827 I\nCyclohexanol 108930 I\nCyclohexanone 108941 I\nCyclohexylamine 108918 III\nCyclooctadienes 29965977 II\nDecahydronaphthalene 91178 IV\nDiacetoxy-2-Butene (1,4-) 0012 V\nDiaminophenol hydrochloride 137097 V\nDibromomethane 74953 V\nDichloroaniline (mixed isomers) 27134276 I\nDichlorobenzene (p-) 106467 I\nDichlorobenzene (m-) 541731 I\nDichlorobenzene (o-) 95501 I\nDichlorobenzidine 91941 I\n(3,3′-).\nDichlorodifluoromethane 75718 I\nDichloroethane (1,2-) (Ethylenedichloride) (EDC) 107062 I\nDichloroethyl ether (bis(2-chloroethyl)ether) 111444 I\nDichloroethylene (1,2-) 540590 II\nDichlorophenol (2,4-) 120832 III\nDichloropropene (1,3-) 542756 II\nDichlorotetrafluoro- 1320372 V\nethane.\nDichloro-1-butene (3,4-) 760236 II\nDichloro-2-butene (1,4-) 764410 V\nDiethanolamine (2,2′-Iminodiethanol) 111422 I\nDiethyl sulfate 64675 II\nDiethylamine 109897 IV\nDiethylaniline (2,6-) 579668 V\nDiethylene glycol 111466 I\nDiethylene glycol dibutyl ether 112732 I\nDiethylene glycol diethyl ether 112367 I\nDiethylene glycol dimethyl ether 111966 I\nDiethylene glycol monobutyl ether acetate 124174 I\nDiethylene glycol monobutyl ether 112345 I\nDiethylene glycol monoethyl ether acetate 112152 I\nDiethylene glycol monoethyl ether 111900 I\nDiethylene glycol monohexyl ether 112594 V\nDiethylene glycol monomethyl ether acetate 629389 V\nDiethylene glycol monomethyl ether 111773 I\nDihydroxybenzoic acid (Resorcylic acid) 27138574 V\nDimethylbenzidine 119937 II\n(3,3′-).\nDimethyl ether 115106 IV\nDimethylformamide (N,N-) 68122 II\nDimethylhydrazine 57147 II\n(1,1-).\nDimethyl sulfate 77781 I\nDimethyl terephthalate 120616 II\nDimethylamine 124403 IV\nDimethylaminoethanol (2-) 108010 I\nDimethylaniline (N,N′) 121697 III\nDinitrobenzenes (NOS) c 25154545 I\nDinitrophenol (2,4-) 51285 III\nDinitrotoluene (2,4-) 121142 III\nDioxane (1,4-) (1,4-Diethyleneoxide) 1239 11I\nDioxolane (1,3-) 646060 I\nDiphenyl methane 101815 I\nDiphenyl oxide 101848 I\nDiphenyl thiourea 102089 III\nDiphenylamine 122394 III\nDipropylene glycol 110985 I\nDi-o-tolyguanidine 97392 III\nDodecanedioic acid 693232 I\nDodecyl benzene (branched) 123013 V\nDodecyl phenol (branched) 121158585 V\nDodecylaniline 28675174 V\nDodecylbenzene (n-) 121013 I\nDodecylphenol 27193868 III\nEpichlorohydrin (1-chloro-2,3-epoxypropane) 106898 I\nEthanolamine 141435 I\nEthyl acrylate 140885 II\nEthylbenzene 100414 I\nEthyl chloride (Chloroethane) 75003 IV\nEthyl chloroacetate 105395 II\nEthylamine 75047 V\nEthylaniline (N-) 103695 III\nEthylaniline (o-) 578541 III\nEthylcellulose 9004573 V\nEthylcyanoacetate 105566 V\nEthylene carbonate 96491 I\nEthylene dibromide (Dibromoethane) 106934 I\nEthylene glycol 107211 I\nEthylene glycol diacetate 111557 I\nEthylene glycol dibutyl ether 112481 V\nEthylene glycol diethyl ether 629141 I\n(1,2-diethoxyethane).\nEthylene glycol 110714 I\ndimethyl ether\nEthylene glycol monoacetate 542596 V\nEthylene glycol monobutyl ether 112072 I\nacetate.\nEthylene glycol monobutyl ether 111762 I\nEthylene glycol monoethyl ether 111159 I\nacetate.\nEthylene glycol monoethyl ether 110805 I\nEthylene glycol monohexyl ether 112254 V\nEthylene glycol monomethyl ether acetate 110496 I\nEthylene glycol monomethyl ether 109864 I\nEthylene glycol monooctyl ether 002 V\nEthylene glycol monophenyl ether 122996 I\nEthylene glycol monopropyl ether 2807309 I\nEthylene oxide 75218 I\nEthylenediamine 107153 II\nEthylenediamine tetraacetic acid 60004 V\nEthylenimine (Aziridine) 151564 II\nEthylhexyl acrylate (2-isomer) 103117 II\nFluoranthene 206440 V\nFormaldehyde 50000 I\nFormamide 75127 II\nFormic acid 64186 II\nFumaric acid 110178 I\nGlutaraldehyde 111308 IV\nGlyceraldehyde 367475 V\nGlycerol 56815 II\nGlycine 56406 II\nGlyoxal 107222 II\nHexachlorobenzene 118741 II\nHexachlorobutadiene 87683 II\nHexachloroethane 67721 II\nHexadiene (1,4-) 592450 II\nHexamethylene- 100970 I\ntetramine.\nHexane 110543 V\nHexanetriol (1,2,6-) 106694 IV\nHydroquinone 123319 I\nHydroxyadipaldehyde 141311 V\nIsobutyl acrylate 106638 V\nIsobutylene 115117 V\nIsophorone 78591 IV\nIsophorone nitrile 0017 V\nIsophthalic acid 121915 III\nIsopropylphenol 25168063 III\nLinear alkylbenzene __ d I\nMaleic anhydride 108316 I\nMaleic hydrazide 123331 I\nMalic acid 6915157 I\nMetanilic acid 121471 I\nMethacrylic acid 79414 V\nMethanol 67561 IV\nMethionine 63683 I\nMethyl acetate 79209 IV\nMethyl acrylate 96333 V\nMethyl bromide (Bromomethane) 74839 IV\nMethyl chloride (Chloromethane) 74873 IV\nMethyl ethyl ketone (2-butanone) 78933 V\nMethyl formate 107313 II\nMethyl hydrazine 60344 IV\nMethyl isobutyl carbinol 108112 IV\nMethyl isobutyl ketone (Hexone) 108101 IV\nMethyl isocyanate 624839 IV\nMethyl mercaptan 74931 IV\nMethyl methacrylate 80626 IV\nMethyl phenyl carbinol 98851 II\nMethyl tert-butyl ether 1634044 V\nMethylamine 74895 IV\nMethylaniline (N-) 100618 III\nMethylcyclohexane 108872 III\nMethylcyclohexanol 25639423 V\nMethylcyclohexanone 1331222 III\nMethylene chloride (Dichloromethane) 75092 I\nMethylene dianiline (4,4′-isomer) 101779 I\nMethylene diphenyl diisocyanate (4,4′-) (MDI) 101688 III\nMethylionones (a-) 79696 V\nMethylpentynol 77758 V\nMethylstyrene (a-) 98839 I\nNaphthalene 91203 IV\nNaphthalene sulfonic acid (a-) 85472 IV\nNaphthalene sulfonic acid (b-) 120183 IV\nNaphthol (a-) 90153 IV\nNaphthol (b-) 135193 IV\nNaphtholsulfonic acid (1-) 567180 V\nNaphthylamine sulfonic acid (1,4-) 84866 V\nNaphthylamine sulfonic acid (2,1-) 81163 V\nNaphthylamine (1-) 134327 V\nNaphthylamine (2-) 91598 V\nNitroaniline (m-) 99092 II\nNitroaniline (o-) 88744 I\nNitroanisole (o-) 91236 III\nNitroanisole (p-) 100174 III\nNitrobenzene 98953 I\nNitronaphthalene (1-) 86577 IV\nNitrophenol (p-) 100027 III\nNitrophenol (o-) 88755 III\nNitropropane (2-) 79469 II\nNitrotoluene (all isomers) 1321126 III\nNitrotoluene (o-) 88722 III\nNitrotoluene (m-) 99081 III\nNitrotoluene (p-) 99990 III\nNitroxylene 25168041 V\nNonylbenzene (branched) 1081772 V\nNonylphenol 25154523 V\nOctene-1 111660 I\nOctylphenol 27193288 III\nParaformaldehyde 30525894 I\nParaldehyde 123637 II\nPentachlorophenol 87865 III\nPentaerythritol 115775 I\nPeracetic acid 79210 II\nPerchloromethyl mercaptan 594423 IV\nPhenanthrene 85018 V\nPhenetidine (p-) 156434 III\nPhenol 108952 III\nPhenolphthalein 77098 III\nPhenolsulfonic acids (all isomers) 1333397 III\nPhenyl anthranilic acid (all isomers) 91407 III\nPhenylenediamine (p-) 106503 I\nPhloroglucinol 108736 III\nPhosgene 75445 IV\nPhthalic acid 88993 III\nPhthalic anhydride 85449 III\nPhthalimide 85416 III\nPhthalonitrile 91156 III\nPicoline (b-) 108996 II\nPiperazine 110850 I\nPropiolactone (beta-) 57578 I\nPropionaldehyde 123386 IV\nPropionic acid 79094 I\nPropylene carbonate 108327 V\nPropylene dichloride (1,2-dichloropropane) 78875 IV\nPropylene glycol 57556 I\nPropylene glycol monomethyl ether 107982 I\nPropylene oxide 75569 I\nPyrene 129000 V\nPyridine 110861 II\np-tert-Butyl toluene 98511 III\nQuinone 106514 III\nResorcinol 108463 I\nSalicylic acid 69727 III\nSodium methoxide 124414 IV\nSodium phenate 139026 III\nStilbene 588590 III\nStyrene 100425 I\nSuccinic acid 110156 I\nSuccinonitrile 110612 I\nSulfanilic acid 121573 III\nSulfolane 126330 II\nTartaric acid 526830 I\nTerephthalic acid 100210 II\nTetrabromophthalic anhydride 632791 III\nTetrachlorobenzene (1,2,4,5-) 95943 I\nTetrachloroethane (1,1,2,2-) 79345 II\nTetrachloroethylene (Perchloroethylene) 127184 I\nTetrachlorophthalic- 117088 III\nanhydride.\nTetraethyl lead 78002 IV\nTetraethylene glycol 112607 I\nTetraethylene- 112572 V\npentamine.\nTetrahydrofuran 109999 I\nTetrahydronapthalene 119642 IV\nTetrahydrophthalic anhydride 85438 II\nTetramethylene- 110601 II\ndiamine.\nTetramethylethylenediamine 110189 V\nTetramethyllead 75741 V\nToluene 108883 I\nToluene 2,4 diamine 95807 II\nToluene 2,4 diisocyanate 584849 II\nToluene diisocyanates (mixture) 26471625 II\nToluene sulfonic acids 104154 III\nToluenesulfonyl chloride 98599 III\nToluidine (o-) 95534 II\nTrichloroaniline- 634935 III\n(2,4,6-).\nTrichlorobenzene (1,2,3-) 87616 V\nTrichlorobenzene (1,2,4-) 120821 I\nTrichloroethane 71556 II\n(1,1,1-)\nTrichloroethane (1,1,2-) (Vinyl trichloride) 79005 II\nTrichloroethylene 79016 I\nTrichlorofluoromethane 75694 I\nTrichlorophenol 95954 I\n(2,4,5-).\n(1,1,2-) Trichloro 76131 I\n(1,2,2-) trifluoroethane.\nTriethanolamine 102716 I\nTriethylamine 121448 IV\nTriethylene glycol 112276 I\nTriethylene glycol 112492 I\ndimethyl ether.\nTriethylene glycol monoethyl ether 112505 V\nTriethylene glycol monomethyl ether 112356 I\nTrimethylamine 75503 IV\nTrimethylcyclohexanol 933482 IV\nTrimethylcyclo- 2408379 IV\nhexanone.\nTrimethylcyclo- 34216347 V\nhexylamine.\nTrimethylolpropane 77996 I\nTrimethylpentane (2,2,4-) 540841 V\nTripropylene glycol 24800440 V\nVinyl acetate 108054 II\nVinyl chloride (Chloroethylene) 75014 I\nVinyl toluene 25013154 III\nVinylcyclohexene (4-) 100403 II\nVinylidene chloride 75354 II\n(1,1-dichloroethylene).\nVinyl(N-)-pyrrolidone(2-) 88120 V\nXanthates 140896 V\nXylene sulfonic acid 25321419 III\nXylenes (NOS) c 1330207 I\nXylene (m-) 108383 I\nXylene (o-) 95476 I\nXylene (p-) 106423 I\nXylenols (Mixed) 1300716 V\nXylidene 1300738 III\na Isomer means all structural arrangements for the same number of atoms of each element and does not mean salts, esters, or derivatives.\nb CAS Number = Chemical Abstract Service number.\nc NOS = not otherwise specified.\nd No CAS number assigned.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES","Subpart F—National Emission Standards for Hazardous Air Pollutants From the Synthetic Organic Chemical Manufacturing Industry"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"44c9ca413b03139384fde19cec69e5f88a1f02077fbd26bf4b47896ad1d274ed","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.109","next":"us/40-cfr-table-2-to-subpart-f-of-part-63"},"notice":"GroundRules: Original legal text. Not legal advice."}