Page PHS-1-1 UW Particularly Hazardous Substances October 2016 Table PHS-1 Minimum List of Known Particularly Hazardous Substances, Alphabetically Particularly Hazardous Substances CAS Number1 Hazard Acetaldehyde 75-07-0 Highly Dangerous, Suspected Carcinogen, Susp. Reproductive T. Acetone 67-64-1 Susp. Reproductive T. Acetone cyanohydrin 75-86-5 Highly Toxic 2-Acetylaminofluorene 53-96-3 Regulated Carcinogen Acetylene 74-86-2 Highly Dangerous 3-Acetylpyridine 350-03-8 Highly Toxic 1-Acetyl-2-thiourea 591-08-2 Highly Toxic Acid mists, strong inorganic N/A Known Carcinogen Acrolein 107-02-8 Highly Toxic Acrylamide 79-06-1 Suspected Carcinogen Acrylic Acid 79-10-7 Highly Toxic Acrylonitrile 107-13-1 Regulated Carcinogen, Susp. Reproductive T. Acryloyl chloride 814-68-6 Highly Toxic Actinolite asbestos 77536-66-4 Regulated Carcinogen Actinomycin D 50-76-0 Highly Toxic Aflatoxins 1402-68-2 Known Carcinogen, Highly Toxic Aflatoxin B1 1162-65-8 Known Carcinogen, Highly Toxic Aldrin Pestanal 309-00-2 Highly Toxic Allyl alcohol 107-18-6 Highly Toxic Allylamine 107-11-9 Highly Toxic Allyl isothiocyanate 57-06-7 Highly Toxic Aluminum 7429-90-5 Susp. Reproductive T. Amanita Muscaria N/A Highly Toxic d-Amethopterin hydrate 51865-79-3 Highly Toxic dl-Amethopterin hydrate 60388-53-6 Highly Toxic o-Aminoazotoluene 97-56-3 Suspected Carcinogen UW Environmental Health and Safety Page PHS-1-2 Particularly Hazardous Substances CAS Number1 Hazard 4-Aminobiphenyl (4-Aminodiphenyl) 92-67-1 Known Carcinogen 1-Amino-2-methylanthraquinone 82-28-0 Suspected Carcinogen 2-Aminopropane (Isopropylamine) 75-31-0 Highly Dangerous Aminopteridine (Aminopterin) 54-62-6 Highly Toxic 4-Aminopyridine 504-24-5 Highly Toxic Amitrole 61-82-5 Suspected Carcinogen Ammonia 7664-41-7 Susp. Reproductive T. Ammonium nitrate 6484-52-2 Highly Dangerous Ammonium perchlorate 7790-98-9 Highly Dangerous Amosite asbestos 12172-73-5 Regulated Carcinogen d-Amphetamine sulfate 51-63-8 Highly Toxic Analgesic Mixtures Containing Phenacetin N/A Known Carcinogen Aniline 65-53-3 Reproductive Toxicant 2-Anilinoethanol 122-98-5 Highly Toxic o-Anisidine hydrochloride 134-29-2 Suspected Carcinogen Antimony 7440-36-0 Susp. Reproductive T. Antimony potassium tartrate 28300-74-5 Susp. Reproductive T. Antimycin A 1397-94-0 Highly Toxic Anthophyllite asbestos 77536-67-5 Regulated Carcinogen Areca nut N/A Known Carcinogen Aristolochic acid 313-67-7 Known Carcinogen Aristolochic acid, plants containing N/A Known Carcinogen Arsenic 7440-38-2 Susp. Reproductive T. Arsenic Compounds, Inorganic N/A Known Carcinogen, Susp. Reproductive T. Arsenic (V) oxide 1303-28-2 Highly Toxic Arsenic trioxide 1327-53-3 Highly Toxic Arsine (Hydrogen arsenide) 7784-42-1 Highly Toxic Asbestos 1332-21-4 Regulated Carcinogen Atrazine 1912-24-9 Susp. Reproductive T. Azathioprine 446-86-6 Known Carcinogen Azinphos-ethyl (Ethyl guthion) 2642-71-9 Highly Toxic Barium metal 7440-39-3 Highly Dangerous Benodicarb Pestanal (2,3-Isopropyliden dioxyphenyl N-methyl 22781-23-3 Highly Toxic carbamate) Benomyl 17804-35-2 Susp. Reproductive T. Benzene 71-43-2 Known Carcinogen, UW Environmental Health and Safety Page PHS-1-3 Particularly Hazardous Substances CAS Number1 Hazard Susp. Reproductive T. Benzenethiol 108-98-5 Highly Toxic Benzidine 92-87-5 Known Carcinogen Benzo[α]pyrene 50-32-8 Known Carcinogen Benzotrichloride 98-07-7 Suspected Carcinogen, Highly Toxic Benzoyl chloride 98-88-4 Highly Toxic Benzoyl peroxide 94-36-0 Highly Dangerous Beryllium and Certain Beryllium Compounds 7440-41-7 Known Carcinogen N,N-Bis(2-chloroethyl)-2-naphthylamine (Chlornaphazine) 494-03-1 Known Carcinogen Bis(chloromethyl) ether 542-88-1 Known Carcinogen Bischloroethyl nitrosourea (BCNU) (Carmustine) 154-93-8 Suspected Carcinogen, Highly Toxic Bisphenol A diglycidyl ether 1675-54-3 Highly Toxic Boric acid 10043-35-3 Susp. Reproductive T. Boron oxide 1303-86-2 Susp. Reproductive T. Botulinum toxin A 93384-43-1 Highly Toxic, Select Toxin Bromine 7726-95-6 Susp. Reproductive T. Bromodichloromethane 75-27-4 Suspected Carcinogen -Bungarotoxin 11032-79-4 Highly Toxic Busulfan (see 1,4-Butanediol dimethylsulfonate) 55-98-1 Known Carcinogen 1,3-Butadiene 106-99-0 Regulated Carcinogen 1,3-Butadiene diepoxide (See Diepoxybutane) Butane 106-97-8 Highly Dangerous 1,4-Butanediol dimethylsulfonate (Myleran; Busulfan) 55-98-1 Known Carcinogen, Reproductive Toxicant 2-Butanone peroxide 1338-23-4 Highly Toxic 3-Buten-2-one (Methyl vinyl ketone) 78-94-4 Highly Toxic cis-2-Butene 590-18-1 Highly Dangerous trans-2-Butene 624-64-6 Highly Dangerous Butylated hydroxyanisole (BHA) 25013-16-5 Suspected Carcinogen Butyllithium 109-72-8 Highly Dangerous tert-Butyllithium 594-19-4 Highly Dangerous 4-tert-Butyltoluene 98-51-1 Highly Toxic tert-Butyl peroxide 110-05-4 Highly Dangerous 2-Butyne 503-17-3 Highly Dangerous n-Butyronitrile 109-74-0 Highly Toxic UW Environmental Health and Safety Page PHS-1-4 Particularly Hazardous Substances CAS Number1 Hazard Cadmium and Certain Cadmium Compounds 7440-43-9 Regulated Carcinogen Calcium carbide 75-20-7 Highly Dangerous Carbachol (Carbamylcholine chloride) 51-83-2 Highly Toxic Carbofuran (2,3-Dihydro-2,2-dimethyl-7-benzofuranol N-methyl 1563-66-2 Highly Toxic carbamate) Carbolic acid (See Phenol) Carbon disulfide 75-15-0 Reproductive Toxicant Carbon monoxide 630-08-0 Highly Dangerous, Reproductive Toxicant Carbon tetrachloride 56-23-5 Suspected Carcinogen Carmustine (See Bischloroethyl nitrosourea) d-Carvone 2244-16-8 Highly Toxic Ceramic Fibers N/A Suspected Carcinogen Chloracetone 78-95-5 Highly Toxic Chlorambucil 305-03-3 Known Carcinogen, Reproductive Toxicant Chlorendic Acid 115-28-6 Suspected Carcinogen Chlorinated Paraffins 108171-26-2 Suspected Carcinogen Chlorine 7782-50-5 Highly Toxic Chlornaphazine 494-03-1 Known Carcinogen 2-Chloroacetophenone 532-27-4 Highly Toxic Chlorobiphenyls N/A Reproductive Toxicant 1-Chloro-2,4-dinitrobenzene 97-00-7 Highly Toxic 2-Chloroethanol 107-07-3 Highly Toxic 2-Chloroethyl ether 111-44-4 Highly Toxic 1-(2-Chloroethyl)-3-cyclohexyl-1-nitrosourea (CCNU) 13010-47-4 Suspected Carcinogen 1-(2-Chloroethyl)-3-(4-methylcyclohexyl)-1-nitrosourea 13909-09-6 Known Carcinogen (MeCCNU) (Semustine) Chloroform 67-66-3 Suspected Carcinogen, Susp. Reproductive T. Chloromethyl methyl ether (technical grade) 107-30-2 Known Carcinogen 3-Chloro-2-methylpropene 563-47-3 Suspected Carcinogen 4-Chloro-o-phenylenediamine 95-83-0 Suspected Carcinogen 2-Chloropyridine 109-09-1 Highly Toxic Chlorpyrifos 2921-88-2 Susp. Reproductive T. Chromium, Hexavalent, and Certain Chromium Compounds N/A Known Carcinogen Chromium (VI) oxide, (Chromium trioxide) 1333-82-0 Known Carcinogen, Highly Toxic UW Environmental Health and Safety Page PHS-1-5 Particularly Hazardous Substances CAS Number1 Hazard Chromomycin A3 7059-24-7 Highly Toxic Chrysotile asbestos 12001-29-5 Regulated Carcinogen C. I. Basic Red 9 Monohydrochloride 569-61-9 Suspected Carcinogen Cisplatin 15663-27-1 Suspected Carcinogen Ciclosporin (See Cyclosporin A) 79217-60-0 Clonorchis sinensis, infection with N/A Known Carcinogen Coal-tar distillation 8007-45-2 Known Carcinogen Coal-tar pitch 65996-93-2 Known Carcinogen Colchicine 64-86-8 Highly Toxic Collodion 9004-70-0 Highly Dangerous Copper 7440-47-3 Susp. Reproductive T. Coumarin Anticoagulants (e.g., Warfarin) N/A Reproductive Toxicant p-Cresidine 120-71-8 Suspected Carcinogen Crocidolite asbestos 12001-28-4 Regulated Carcinogen Crotonaldehyde 4170-30-3 Highly Toxic Cupferron 135-20-6 Suspected Carcinogen 2-Cyclohexen-1-one 930-68-7 Highly Toxic Cycloheximide 66-81-9 Highly Toxic 1-Cyclohexyl-2-pyrrolidinone 6837-24-7 Highly Toxic Cyclopentadienylmanganese tricarbonyl 12079-65-1 Highly Toxic Cyclophosphamide (Cytoxan, Neosar) 50-18-0 Known Carcinogen, Reproductive Toxicant Cyclopiazonic acid from Penicilium cyclopium 18172-33-3 Highly Toxic Cyclopropane 75-19-4 Highly Dangerous Cyclosporin A (Cyclosporine A) (Ciclosporin) 59865-13-3 Known Carcinogen Decaborane 17702-41-9 Highly Toxic Deuterium 7782-39-0 Highly Dangerous Di(2-ethylhexyl) phthalate (DEHP) 117-81-7 Suspected Carcinogen Diacetoxydibutyltin 1067-33-0 Highly Toxic 2,4-Diaminoanisole sulfate 39156-41-7 Suspected Carcinogen 1,3-Diaminopropane 109-76-2 Highly Toxic 2,4-Diaminotoluene 95-80-7 Suspected Carcinogen Diazinon 333-41-5 Susp. Reproductive T., Highly Toxic 1,2-Dibromo-3-chloropropane (DBCP) 96-12-8 Regulated Carcinogen, Susp. Reproductive T. 1,2-Dibromoethane (Ethylene dibromide) 106-93-4 Suspected Carcinogen UW Environmental Health and Safety Page PHS-1-6 Particularly Hazardous Substances CAS Number1 Hazard Dibutyltin diacetate (See Diacetoxydibutyltin) Dibutyltin oxide 818-08-6 Highly Toxic o-Dichlorobenzene 95-50-1 Susp. Reproductive T. 1,4-Dichlorobenzene 106-46-7 Suspected Carcinogen 3,3'-Dichlorobenzidine 91-94-1 Regulated Carcinogen 3,3'-Dichlorobenzidine 2HCL 612-83-9 Regulated Carcinogen trans-1,4-Dichloro-2-butene 110-57-6 Highly Toxic Dichlorodiphenyltrichloroethane (DDT) 50-29-3 Susp. Reproductive T. 1,2-Dichloroethane 107-06-2 Suspected Carcinogen 1,1-Dichloroethene (Vinylidene chloride) 75-35-4 Highly Dangerous Dichloromethane (See Methylene chloride) 2,4-Dichlorophenoxyacetic acid (2,4-D) 94-75-7 Susp. Reproductive T. 1,3-Dichloropropene (technical grade) 542-75-6 Suspected Carcinogen Dichlorosilane 4109-96-0 Highly Dangerous Dichlorvos Pestanal 62-73-7 Highly Toxic Dieldrin 60-57-1 Highly Toxic Diepoxybutane 1464-53-5 Suspected Carcinogen, Highly Toxic Diethylaluminum chloride 96-10-6 Highly Dangerous 2-(Diethylamino)ethyl