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Occupational Safety and Health Administration (OSHA) Chemicals
TRI OSHA Chemicals
Row # Chemical Name CAS Number EPA's IRIS Substance File (Risk Information)
1 1,1-DIMETHYL HYDRAZINE 000057147  
2 1,2,3-TRICHLOROPROPANE 000096184
3 1,2-BUTYLENE OXIDE 000106887
4 1,2-DIBROMO-3-CHLOROPROPANE 000096128
5 1,2-DIBROMOETHANE 000106934
6 1,2-DICHLOROETHANE 000107062
7 1,2-DIPHENYLHYDRAZINE 000122667
8 1,3-BUTADIENE 000106990
9 1,3-DICHLOROPROPYLENE 000542756
10 1,4-DICHLOROBENZENE 000106467
11 1,4-DIOXANE 000123911
12 1-AMINO-2,4-DIBROMOANTHRAQUINONE 000081492  
13 1-AMINO-2-METHYLANTHRAQUINONE 000082280  
14 2,2-BIS(BROMOMETHYL)-1,3-PROPANEDIOL 003296900  
15 2,4,6-TRICHLOROPHENOL 000088062
16 2,4-D 000094757
17 2,4-D 2-ETHYL-4-METHYLPENTYL ESTER 053404378  
18 2,4-D 2-ETHYLHEXYL ESTER 001928434  
19 2,4-D BUTOXYETHYL ESTER 001929733  
20 2,4-D BUTYL ESTER 000094804  
21 2,4-D CHLOROCROTYL ESTER 002971382  
22 2,4-D ISOPROPYL ESTER 000094111  
23 2,4-D PROPYLENE GLYCOL BUTYL ETHER ESTER 001320189  
24 2,4-D SODIUM SALT 002702729  
25 2,4-DIAMINOANISOLE 000615054  
26 2,4-DIAMINOANISOLE SULFATE 039156417  
27 2,4-DIAMINOTOLUENE 000095807  
28 2,4-DINITROTOLUENE 000121142
29 2,4-DP 000120365  
30 2,6-DINITROTOLUENE 000606202  
31 2,6-XYLIDINE 000087627  
32 2-ACETYLAMINOFLUORENE 000053963  
33 2-AMINOANTHRAQUINONE 000117793  
34 2-NITROPROPANE 000079469
35 3,3'-DICHLOROBENZIDINE 000091941
36 3,3'-DICHLOROBENZIDINE DIHYDROCHLORIDE 000612839  
37 3,3'-DICHLOROBENZIDINE SULFATE 064969342  
38 3,3'-DIMETHOXYBENZIDINE 000119904  
39 3,3'-DIMETHOXYBENZIDINE DIHYDROCHLORIDE 020325400  
40 3,3'-DIMETHOXYBENZIDINE HYDROCHLORIDE 111984099  
41 3,3'-DIMETHYLBENZIDINE 000119937
42 3,3'-DIMETHYLBENZIDINE DIHYDROCHLORIDE 000612828  
43 3,3'-DIMETHYLBENZIDINE DIHYDROFLUORIDE 041766750  
44 3-CHLORO-2-METHYL-1-PROPENE 000563473  
45 4,4'-DIAMINODIPHENYL ETHER 000101804  
46 4,4'-METHYLENEBIS(2-CHLOROANILINE) 000101144  
47 4,4'-METHYLENEBIS(N,N-DIMETHYL)BENZENAMINE 000101611
48 4,4'-METHYLENEDIANILINE 000101779  
49 4,4'-THIODIANILINE 000139651  
50 4-AMINOAZOBENZENE 000060093  
51 4-AMINOBIPHENYL 000092671  
52 4-DIMETHYLAMINOAZOBENZENE 000060117  
53 4-NITROBIPHENYL 000092933  
54 ACETALDEHYDE 000075070
55 ACETAMIDE 000060355  
56 ACRYLAMIDE 000079061
57 ACRYLONITRILE 000107131
58 ALPHA-HEXACHLOROCYCLOHEXANE 000319846
59 ALPHA-NAPHTHYLAMINE 000134327  
60 AMITROLE 000061825  
61 ARSENIC 007440382
62 ARSENIC COMPOUNDS N020  
63 ASBESTOS (FRIABLE) 001332214
64 BENZENE 000071432
65 BENZIDINE 000092875
66 BENZOIC TRICHLORIDE 000098077
67 BERYLLIUM 007440417
68 BERYLLIUM COMPOUNDS N050  
69 BETA-NAPHTHYLAMINE 000091598  
70 BETA-PROPIOLACTONE 000057578
71 BIS(CHLOROMETHYL) ETHER 000542881
72 C.I. ACID RED 114 006459945  
73 C.I. DIRECT BLACK 38 001937377  
74 C.I. DIRECT BLUE 6 002602462  
75 C.I. DIRECT BROWN 95 016071866  
76 C.I. FOOD RED 5 003761533  
77 C.I. SOLVENT YELLOW 3 000097563  
78 C.I. SOLVENT YELLOW 34 000492808  
79 CADMIUM 007440439
80 CADMIUM COMPOUNDS N078  
81 CARBON TETRACHLORIDE 000056235  
82 CATECHOL 000120809  
83 CHLORDANE 000057749  
84 CHLORENDIC ACID 000115286  
85 CHLOROFORM 000067663
86 CHLOROMETHYL METHYL ETHER 000107302
87 CHLOROPHENOLS N084  
88 CHLOROPRENE 000126998  
89 CHLOROTHALONIL 001897456
90 CHROMIUM COMPOUNDS(EXCEPT CHROMITE ORE MINED IN THE TRANSVAAL REGION) N090  
91 COBALT 007440484  
92 COBALT COMPOUNDS N096  
93 CREOSOTE 008001589
94 CUPFERRON 000135206  
95 DI(2-ETHYLHEXYL) PHTHALATE 000117817
96 DIAMINOTOLUENE (MIXED ISOMERS) 025376458  
97 DICHLOROBENZENE (MIXED ISOMERS) 025321226  
98 DICHLOROBROMOMETHANE 000075274
99 DICHLOROMETHANE 000075092
100 DICHLORVOS 000062737
101 DIEPOXYBUTANE 001464535  
102 DIETHYL SULFATE 000064675
103 DIGLYCIDYL RESORCINOL ETHER 000101906  
104 DIHYDROSAFROLE 000094586  
105 DIMETHYL SULFATE 000077781
106 DIMETHYLCARBAMYL CHLORIDE 000079447  
107 DIOXIN AND DIOXIN-LIKE COMPOUNDS N150  
108 EPICHLOROHYDRIN 000106898
109 ETHYL ACRYLATE 000140885  
110 ETHYLBENZENE 000100414
111 ETHYLENE OXIDE 000075218  
112 ETHYLENE THIOUREA 000096457
113 ETHYLENEIMINE 000151564
114 FORMALDEHYDE 000050000
115 FURAN 000110009  
116 GLYCIDOL 000556525  
117 HEPTACHLOR 000076448
118 HEXACHLOROBENZENE 000118741
119 HEXACHLOROETHANE 000067721
120 HEXAMETHYLPHOSPHORAMIDE 000680319  
121 HYDRAZINE 000302012
122 HYDRAZINE SULFATE 010034932  
123 ISOPRENE 000078795  
124 LEAD 007439921
125 LEAD COMPOUNDS N420  
126 LINDANE 000058899
127 MECOPROP 000093652
128 METHOXONE 000094746
129 METHOXONE SODIUM SALT 003653483  
130 METHYLEUGENOL 000093152  
131 MICHLER'S KETONE 000090948  
132 MUSTARD GAS 000505602  
133 N-NITROSO-N-ETHYLUREA 000759739  
134 N-NITROSO-N-METHYLUREA 000684935  
135 N-NITROSODI-N-BUTYLAMINE 000924163
136 N-NITROSODI-N-PROPYLAMINE 000621647
137 N-NITROSODIETHYLAMINE 000055185
138 N-NITROSODIMETHYLAMINE 000062759
139 N-NITROSOMETHYLVINYLAMINE 004549400  
140 N-NITROSOMORPHOLINE 000059892  
141 N-NITROSONORNICOTINE 016543558  
142 N-NITROSOPIPERIDINE 000100754  
143 NAPHTHALENE 000091203
144 NICKEL 007440020  
145 NICKEL COMPOUNDS N495  
146 NITRILOTRIACETIC ACID 000139139  
147 NITROBENZENE 000098953
148 NITROFEN 001836755  
149 NITROGEN MUSTARD 000051752  
150 NITROMETHANE 000075525  
151 O-ANISIDINE 000090040
152 O-ANISIDINE HYDROCHLORIDE 000134292  
153 O-NITROANISOLE 000091236  
154 O-TOLUIDINE 000095534  
155 O-TOLUIDINE HYDROCHLORIDE 000636215  
156 P-CHLORO-O-TOLUIDINE 000095692  
157 P-CHLOROANILINE 000106478
158 P-CRESIDINE 000120718  
159 PENTACHLOROPHENOL 000087865
160 PHENOLPHTHALEIN 000077098  
161 PHENYTOIN 000057410  
162 POLYBROMINATED BIPHENYLS N575  
163 POLYCHLORINATED ALKANES N583  
164 POLYCHLORINATED BIPHENYLS 001336363
165 POLYCYCLIC AROMATIC COMPOUNDS N590  
166 POTASSIUM BROMATE 007758012  
167 PROPANE SULTONE 001120714  
168 PROPYLENE OXIDE 000075569
169 PROPYLENEIMINE 000075558
170 SAFROLE 000094597  
171 SODIUM O-PHENYLPHENOXIDE 000132274  
172 STYRENE 000100425
173 STYRENE OXIDE 000096093  
174 TETRACHLOROETHYLENE 000127184
175 TETRAFLUOROETHYLENE 000116143  
176 TETRANITROMETHANE 000509148  
177 THIOACETAMIDE 000062555  
178 THIOUREA 000062566  
179 TOLUENE DIISOCYANATE (MIXED ISOMERS) 026471625
180 TOLUENE-2,4-DIISOCYANATE 000584849  
181 TOLUENE-2,6-DIISOCYANATE 000091087  
182 TOXAPHENE 008001352
183 TRANS-1,3-DICHLOROPROPENE 010061026  
184 TRICHLOROETHYLENE 000079016
185 TRIS(2,3-DIBROMOPROPYL) PHOSPHATE 000126727  
186 TRYPAN BLUE 000072571  
187 URETHANE 000051796
188 VINYL ACETATE 000108054
189 VINYL BROMIDE 000593602
190 VINYL CHLORIDE 000075014
191 VINYL FLUORIDE 000075025  

OSHA Carcinogens include reported amounts for each of the following four chemical categories: arsenic compounds; dioxin and dioxin-like compounds; chromium compounds; lead compounds; and polycyclic aromatic compounds (PACs). However, only part of each category is classified as an OSHA carcinogen (i.e., OSHA carcinogens include only inorganic arsenic compounds; chromium (VI) compounds; inorganic lead compounds; 2,3,7,8-tetrachlorodibenzo-p-dioxin; and all chemicals in the PACs category except for benzo(a)phenanthrene, dibenzo(a,e)fluoranthene, benzo(j,k)fluorene, and 3-methylcholanthrene)

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