40 CFR Table 2 to Subpart JJ of Part 63: Table 2 to Subpart JJ of Part 63—List of Volatile Hazardous Air Pollutants

Chemical name CAS No.

Acetaldehyde 75070

Acetamide 60355

Acetonitrile 75058

Acetophenone 98862

2-Acetylaminofluorine 53963

Acrolein 107028

Acrylamide 79061

Acrylic acid 79107

Acrylonitrile 107131

Allyl chloride 107051

4-Aminobiphenyl 92671

Aniline 62533

o-Anisidine 90040

Benzene 71432

Benzidine 92875

Benzotrichloride 98077

Benzyl chloride 100447

Biphenyl 92524

Bis (2-ethylhexyl) phthalate (DEHP) 117817

Bis (chloromethyl) ether 542881

Bromoform 75252

1,3-Butadiene 106990

Carbon disulfide 75150

Carbon tetrachloride 56235

Carbonyl sulfide 463581

Catechol 120809

Chloroacetic acid 79118

2-Chloroacetophenone 532274

Chlorobenzene 108907

Chloroform 67663

Chloromethyl methyl ether 107302

Chloroprene 126998

Cresols (isomers and mixture) 1319773

o-Cresol 95487

m-Cresol 108394

p-Cresol 106445

Cumene 98828

2,4-D (2,4-Dichlorophenoxyacetic acid, including salts and esters) 94757

DDE (1,1-Dichloro-2,2-bis(p-chlorophenyl)ethylene) 72559

Diazomethane 334883

Dibenzofuran 132649

1,2-Dibromo-3-chloropropane 96128

Dibutylphthalate 84742

1,4-Dichlorobenzene 106467

3,3′-Dichlorobenzidine 91941

Dichloroethyl ether (Bis(2-chloroethyl)ether) 111444

1,3-Dichloropropene 542756

Diethanolamine 111422

N,N-Dimethylaniline 121697

Diethyl sulfate 64675

3,3′-Dimethoxybenzidine 119904

4-Dimethylaminoazobenzene 60117

3,3′-Dimethylbenzidine 119937

Dimethylcarbamoyl chloride 79447

N,N-Dimethylformamide 68122

1,1-Dimethylhydrazine 57147

Dimethyl phthalate 131113

Dimethyl sulfate 77781

4,6-Dinitro-o-cresol, and salts 534521

2,4-Dinitrophenol 51285

2,4-Dinitrotoluene 121142

1,4-Dioxane (1,4-Diethyleneoxide) 123911

1,2-Diphenylhydrazine 122667

Epichlorohydrin (1-Chloro-2,3-epoxypropane) 106898

1,2-Epoxybutane 106887

Ethyl acrylate 140885

Ethylbenzene 100414

Ethyl carbamate (Urethane) 51796

Ethyl chloride (Chloroethane) 75003

Ethylene dibromide (Dibromoethane) 106934

Ethylene dichloride (1,2-Dichloroethane) 107062

Ethylene glycol 107211

Ethylene oxide 75218

Ethylenethiourea 96457

Ethylidene dichloride (1,1-Dichloroethane) 75343

Formaldehyde 50000

Glycolethers a

Hexachlorobenzene 118741

Hexachloro-1,3-butadiene 87683

Hexachloroethane 67721

Hexamethylene-1,6-diisocyanate 822060

Hexamethylphosphoramide 680319

Hexane 110543

Hydrazine 302012

Hydroquinone 123319

Isophorone 78591

Maleic anhydride 108316

Methanol 67561

Methyl bromide (Bromomethane) 74839

Methyl chloride (Chloromethane) 74873

Methyl chloroform (1,1,1-Trichloroethane) 71556

Methyl ethyl ketone (2-Butanone) 78933

Methylhydrazine 60344

Methyl iodide (Iodomethane) 74884

Methyl isobutyl ketone (Hexone) 108101

Methyl isocyanate 624839

Methyl methacrylate 80626

Methyl tert-butyl ether 1634044

4,4′-Methylenebis (2-chloroaniline) 101144

Methylene chloride (Dichloromethane) 75092

4,4′-Methylenediphenyl diisocyanate (MDI) 101688

4,4′-Methylenedianiline 101779

Naphthalene 91203

Nitrobenzene 98953

4-Nitrobiphenyl 92933

4-Nitrophenol 100027

2-Nitropropane 79469

N-Nitroso-N-methylurea 684935

N-Nitrosodimethylamine 62759

N-Nitrosomorpholine 59892

Phenol 108952

p-Phenylenediamine 106503

Phosgene 75445

Phthalic anhydride 85449

Polychlorinated biphenyls (Aroclors) 1336363

Polycyclic Organic Matter b

1,3-Propane sultone 1120714

beta-Propiolactone 57578

Propionaldehyde 123386

Propoxur (Baygon) 114261

Propylene dichloride (1,2-Dichloropropane) 78875

Propylene oxide 75569

1,2-Propylenimine (2-Methyl aziridine) 75558

Quinone 106514

Styrene 100425

Styrene oxide 96093

2,3,7,8-Tetrachlorodibenzo-p-dioxin 1746016

1,1,2,2-Tetrachloroethane 79345

Tetrachloroethylene (Perchloroethylene) 127184

Toluene 108883

2,4-Toluenediamine 95807

Toluene-2,4-diisocyanate 584849

o-Toluidine 95534

1,2,4-Trichlorobenzene 120821

1,1,2-Trichloroethane 79005

Trichloroethylene 79016

2,4,5-Trichlorophenol 95954

2,4,6-Trichlorophenol 88062

Triethylamine 121448

Trifluralin 1582098

2,2,4-Trimethylpentane 540841

Vinyl acetate 108054

Vinyl bromide 593602

Vinyl chloride 75014

Vinylidene chloride (1,1-Dichloroethylene) 75354

Xylenes (isomers and mixture) 1330207

o-Xylene 95476

m-Xylene 108383

p-Xylene 106423

a Includes mono- and di-ethers of ethylene glycol, diethylene glycols and triethylene glycol; R-(OCH2 CH2) RR-OR where:

n = 1, 2, or 3,

R = alkyl or aryl groups

R′= R, H, or groups which, when removed, yield glycol ethers with the structure: R-(OCH2 CH2)n—OH. Polymers are excluded from the glycol category.

b Includes organic compounds with more than one benzene ring, and which have a boiling point greater than or equal to 100°C.