Jump to main content or area navigation.

Contact Us

TRI Explorer

TRI Explorer Links
TRI Links
System Data Searches
Hazardous Air Pollutants
TRI Hazardous Air Pollutants
Row # Chemical Name CAS Number EPA's IRIS Substance File (Risk Information)
1 1,1,1-Trichloroethane 0000071556  
2 1,1,2,2-Tetrachloroethane 0000079345  
3 1,1,2-Trichloroethane 0000079005  
4 1,1-Dimethylhydrazine 0000057147  
5 1,2,4-Trichlorobenzene 0000120821  
6 1,2-Butylene oxide 0000106887  
7 1,2-Dibromo-3-chloropropane 0000096128  
8 1,2-Dibromoethane 0000106934  
9 1,2-Dichloroethane 0000107062  
10 1,2-Dichloropropane 0000078875  
11 1,2-Diphenylhydrazine 0000122667  
12 1,3-Butadiene 0000106990  
13 1,3-Dichloropropylene 0000542756  
14 1,3-Propane sultone 0001120714  
15 1,4-Dichlorobenzene 0000106467  
16 1,4-Dioxane 0000123911  
17 1-Amino-2,4-dibromoanthraquinone 0000081492  
18 1-Amino-2-methylanthraquinone 0000082280  
19 1-Bromopropane 0000106945  
20 2,4,5-Trichlorophenol 0000095954  
21 2,4,6-Trichlorophenol 0000088062  
22 2,4-D 0000094757  
23 2,4-D 2-butoxyethyl ester 0001929733  
24 2,4-D 2-ethyl-4-methylpentyl ester 0053404378  
25 2,4-D 2-ethylhexyl ester 0001928434  
26 2,4-D butyl ester 0000094804  
27 2,4-D chlorocrotyl ester 0002971382  
28 2,4-D isopropyl ester 0000094111  
29 2,4-D propylene glycol butyl ether ester 0001320189  
30 2,4-D sodium salt 0002702729  
31 2,4-Diaminotoluene 0000095807  
32 2,4-Dinitrophenol 0000051285  
33 2,4-Dinitrotoluene 0000121142  
34 2-Acetylaminofluorene 0000053963  
35 2-Aminoanthraquinone 0000117793  
36 2-Chloroacetophenone 0000532274  
37 2-Ethoxyethanol 0000110805  
38 2-Methoxyethanol 0000109864  
39 2-Nitropropane 0000079469  
40 2-Phenylphenol 0000090437  
41 3,3'-Dichlorobenzidine 0000091941  
42 3,3'-Dichlorobenzidine dihydrochloride 0000612839  
43 3,3'-Dichlorobenzidine sulfate 0064969342  
44 3,3'-Dimethoxybenzidine 0000119904  
45 3,3'-Dimethoxybenzidine dihydrochloride 0020325400  
46 3,3'-Dimethoxybenzidine monohydrochloride 0111984099  
47 3,3'-Dimethylbenzidine 0000119937  
48 3,3'-Dimethylbenzidine dihydrochloride 0000612828  
49 3,3'-Dimethylbenzidine dihydrofluoride 0041766750  
50 4,4'-Diaminodiphenyl ether 0000101804  
51 4,4'-Isopropylidenediphenol 0000080057  
52 4,4'-Methylenebis(2-chloroaniline) 0000101144  
53 4,4'-Methylenebis(N,N-dimethyl)benzenamine 0000101611  
54 4,4'-Methylenedi(phenyl isocyanate) 0000101688  
55 4,4'-Methylenedianiline 0000101779  
56 4,4'-Thiodianiline 0000139651  
57 4,6-Dinitro-o-cresol 0000534521  
58 4-Aminoazobenzene 0000060093  
59 4-Aminobiphenyl 0000092671  
60 4-Dimethylaminoazobenzene 0000060117  
61 4-Nitrobiphenyl 0000092933  
62 4-Nitrophenol 0000100027  
63 Acetaldehyde 0000075070  
64 Acetamide 0000060355  
65 Acetonitrile 0000075058  
66 Acetophenone 0000098862  
67 Acifluorfen, sodium salt 0062476599  
68 Acrolein 0000107028  
69 Acrylamide 0000079061  
70 Acrylic acid 0000079107  
71 Acrylonitrile 0000107131  
72 Allyl chloride 0000107051  
73 Amitraz 0033089611  
74 Aniline 0000062533  
75 Anthracene 0000120127  
76 Antimony 0007440360  
77 Antimony compounds N010  
78 Arsenic 0007440382  
79 Arsenic compounds N020  
80 Asbestos (friable) 0001332214  
81 Benzene 0000071432  
82 Benzidine 0000092875  
83 Benzo[g,h,i]perylene 0000191242  
84 Benzoic trichloride 0000098077  
85 Benzoyl peroxide 0000094360  
86 Benzyl chloride 0000100447  
87 Beryllium 0007440417  
88 Beryllium compounds N050  
89 Bifenthrin 0082657043  
90 Biphenyl 0000092524  
91 Bis(2-chloroethyl) ether 0000111444  
92 Bis(chloromethyl) ether 0000542881  
93 Bromoform 0000075252  
94 Bromomethane 0000074839  
95 C.I. Acid Green 3 0004680788  
96 C.I. Acid Red 114 0006459945  
97 C.I. Basic Green 4 0000569642  
98 C.I. Basic Red 1 0000989388  
99 C.I. Direct Black 38 0001937377  
100 C.I. Direct Blue 218 0028407376  
101 C.I. Direct Blue 6 0002602462  
102 C.I. Direct Brown 95 0016071866  
103 C.I. Disperse Yellow 3 0002832408  
104 C.I. Food Red 15 0000081889  
105 C.I. Food Red 5 0003761533  
106 C.I. Solvent Orange 7 0003118976  
107 C.I. Solvent Yellow 14 0000842079  
108 C.I. Solvent Yellow 3 0000097563  
109 C.I. Solvent Yellow 34 0000492808  
110 C.I. Vat Yellow 4 0000128665  
111 Cadmium 0007440439  
112 Cadmium compounds N078  
113 Calcium cyanamide 0000156627  
114 Captan 0000133062  
115 Carbaryl 0000063252  
116 Carbon disulfide 0000075150  
117 Carbon tetrachloride 0000056235  
118 Carbonyl sulfide 0000463581  
119 Catechol 0000120809  
120 Certain glycol ethers N230  
121 Chloramben 0000133904  
122 Chlordane 0000057749  
123 Chlorine 0007782505  
124 Chloroacetic acid 0000079118  
125 Chlorobenzene 0000108907  
126 Chlorobenzilate 0000510156  
127 Chloroethane 0000075003  
128 Chloroform 0000067663  
129 Chloromethane 0000074873  
130 Chloromethyl methyl ether 0000107302  
131 Chloroprene 0000126998  
132 Chromium 0007440473  
133 Chromium compounds (except for chromite ore mined in the Transvaal Region) N090  
134 Cobalt 0007440484  
135 Cobalt compounds N096  
136 Cresol (mixed isomers) 0001319773  
137 Cumene 0000098828  
138 Cyanide compounds N106  
139 Cyfluthrin 0068359375  
140 Cyhalothrin 0068085858  
141 Decabromodiphenyl oxide 0001163195  
142 Desmedipham 0013684565  
143 Di(2-ethylhexyl) phthalate 0000117817  
144 Diazomethane 0000334883  
145 Dibenzofuran 0000132649  
146 Dibutyl phthalate 0000084742  
147 Dichloromethane 0000075092  
148 Dichlorophene 0000097234  
149 Dichlorvos 0000062737  
150 Diclofop methyl 0051338273  
151 Dicofol 0000115322  
152 Diethanolamine 0000111422  
153 Diethyl sulfate 0000064675  
154 Diflubenzuron 0035367385  
155 Dimethyl phthalate 0000131113  
156 Dimethyl sulfate 0000077781  
157 Dimethylcarbamoyl chloride 0000079447  
158 Dioxin and dioxin-like compounds N150  
159 Diphenamid 0000957517  
160 Diphenylamine 0000122394  
161 Epichlorohydrin 0000106898  
162 Ethyl acrylate 0000140885  
163 Ethylbenzene 0000100414  
164 Ethylene glycol 0000107211  
165 Ethylene oxide 0000075218  
166 Ethylene thiourea 0000096457  
167 Ethyleneimine 0000151564  
168 Ethylidene dichloride 0000075343  
169 Fenarimol 0060168889  
170 Fenbutatin oxide 0013356086  
171 Fenoxaprop-ethyl 0066441234  
172 Fenoxycarb 0072490018  
173 Fenpropathrin 0039515418  
174 Fenvalerate 0051630581  
175 Fluvalinate 0069409945  
176 Fomesafen 0072178020  
177 Formaldehyde 0000050000  
178 Heptachlor 0000076448  
179 Hexachloro-1,3-butadiene 0000087683  
180 Hexachlorobenzene 0000118741  
181 Hexachlorocyclopentadiene 0000077474  
182 Hexachloroethane 0000067721  
183 Hexachloronaphthalene 0001335871  
184 Hexachlorophene 0000070304  
185 Hexamethylphosphoramide 0000680319  
186 Hydramethylnon 0067485294  
187 Hydrazine 0000302012  
188 Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 0007647010  
189 Hydrogen cyanide 0000074908  
190 Hydrogen fluoride 0007664393  
191 Hydroquinone 0000123319  
192 Lactofen 0077501634  
193 Lead compounds N420  
194 Lindane 0000058899  
195 Maleic anhydride 0000108316  
196 Manganese 0007439965  
197 Manganese compounds N450  
198 Mercury 0007439976  
199 Mercury compounds N458  
200 Methanol 0000067561  
201 Methoxychlor 0000072435  
202 Methyl hydrazine 0000060344  
203 Methyl iodide 0000074884  
204 Methyl isobutyl ketone 0000108101  
205 Methyl isocyanate 0000624839  
206 Methyl methacrylate 0000080626  
207 Methyl tert-butyl ether 0001634044  
208 Michler's ketone 0000090948  
209 N,N-Dimethylaniline 0000121697  
210 N,N-Dimethylformamide 0000068122  
211 N-Nitroso-N-methylurea 0000684935  
212 N-Nitrosodimethylamine 0000062759  
213 N-Nitrosodiphenylamine 0000086306  
214 N-Nitrosomorpholine 0000059892  
215 Naphthalene 0000091203  
216 Nickel 0007440020  
217 Nickel compounds N495  
218 Nitrobenzene 0000098953  
219 Nitrofen 0001836755  
220 Octachloronaphthalene 0002234131  
221 Oxyfluorfen 0042874033  
222 Parathion 0000056382  
223 Pentachlorophenol 0000087865  
224 Permethrin 0052645531  
225 Phenanthrene 0000085018  
226 Phenol 0000108952  
227 Phenolphthalein 0000077098  
228 Phenothrin 0026002802  
229 Phenytoin 0000057410  
230 Phosgene 0000075445  
231 Phosphine 0007803512  
232 Phosphorus (yellow or white) 0012185103  
233 Phthalic anhydride 0000085449  
234 Polychlorinated biphenyls 0001336363  
235 Polycyclic aromatic compounds N590  
236 Propionaldehyde 0000123386  
237 Propoxur 0000114261  
238 Propylene oxide 0000075569  
239 Propyleneimine 0000075558  
240 Quinoline 0000091225  
241 Quinone 0000106514  
242 Quintozene 0000082688  
243 Quizalofop-ethyl 0076578148  
244 Selenium 0007782492  
245 Selenium compounds N725  
246 Sodium o-phenylphenoxide 0000132274  
247 Styrene 0000100425  
248 Styrene oxide 0000096093  
249 Temephos 0003383968  
250 Tetrabromobisphenol A 0000079947  
251 Tetrachloroethylene 0000127184  
252 Titanium tetrachloride 0007550450  
253 Toluene 0000108883  
254 Toluene-2,4-diisocyanate 0000584849  
255 Toxaphene 0008001352  
256 Trichloroethylene 0000079016  
257 Triethylamine 0000121448  
258 Trifluralin 0001582098  
259 Triphenyltin chloride 0000639587  
260 Triphenyltin hydroxide 0000076879  
261 Trypan blue 0000072571  
262 Urethane 0000051796  
263 Vinyl acetate 0000108054  
264 Vinyl bromide 0000593602  
265 Vinyl chloride 0000075014  
266 Vinylidene chloride 0000075354  
267 Warfarin and salts N874  
268 Xylene (mixed isomers) 0001330207  
269 alpha-Hexachlorocyclohexane 0000319846  
270 alpha-Naphthylamine 0000134327  
271 beta-Naphthylamine 0000091598  
272 beta-Propiolactone 0000057578  
273 m-Cresol 0000108394  
274 m-Xylene 0000108383  
275 n-Hexane 0000110543  
276 o-Anisidine 0000090040  
277 o-Cresol 0000095487  
278 o-Toluidine 0000095534  
279 o-Xylene 0000095476  
280 p-Cresol 0000106445  
281 p-Nitrosodiphenylamine 0000156105  
282 p-Phenylenediamine 0000106503  
283 p-Xylene 0000106423  


Top of Page

Jump to main content.