Appendix A to §1910.119—List of Highly Hazardous Chemicals, Toxics and Reactives (Mandatory)
This appendix contains a listing of toxic and reactive highly hazardous chemicals which present a potential for a catastrophic event at or above the threshold quantity.
|
CHEMICAL name |
CAS* |
TQ** |
| Acetaldehyde |
75-07-0 |
2500 |
| Acrolein (2-Propenal) |
107-02-8 |
150 |
| Acrylyl Chloride |
814-68-6 |
250 |
| Allyl Chloride |
107-05-1 |
1000 |
| Allylamine |
107-11-9 |
1000 |
| Alkylaluminums |
Varies |
5000 |
| Ammonia, Anhydrous |
7664-41-7 |
10000 |
| Ammonia solutions (>44% ammonia by weight) |
7664-41-7 |
15000 |
| Ammonium Perchlorate |
7790-98-9 |
7500 |
| Ammonium Permanganate |
7787-36-2 |
7500 |
| Arsine (also called Arsenic Hydride) |
7784-42-1 |
100 |
| Bis(Chloromethyl) Ether |
542-88-1 |
100 |
| Boron Trichloride |
10294-34-5 |
2500 |
| Boron Trifluoride |
7637-07-2 |
250 |
| Bromine |
7726-95-6 |
1500 |
| Bromine Chloride |
13863-41-7 |
1500 |
| Bromine Pentafluoride |
7789-30-2 |
2500 |
| Bromine Trifluoride |
7787-71-5 |
15000 |
| 3-Bromopropyne (also called Propargyl Bromide) |
106-96-7 |
100 |
| Butyl Hydroperoxide (Tertiary) |
75-91-2 |
5000 |
| Butyl Perbenzoate (Tertiary) |
614-45-9 |
7500 |
| Carbonyl Chloride (see Phosgene) |
75-44-5 |
100 |
| Carbonyl Fluoride |
353-50-4 |
2500 |
| Cellulose Nitrate (concentration >12.6% nitrogen |
9004-70-0 |
2500 |
| Chlorine |
7782-50-5 |
1500 |
| Chlorine Dioxide |
10049-04-4 |
1000 |
| Chlorine Pentrafluoride |
13637-63-3 |
1000 |
| Chlorine Trifluoride |
7790-91-2 |
1000 |
| Chlorodiethylaluminum (also called Diethylaluminum Chloride) |
96-10-6 |
5000 |
| 1-Chloro-2,4-Dinitrobenzene |
97-00-7 |
5000 |
| Chloromethyl Methyl Ether |
107-30-2 |
500 |
| Chloropicrin |
76-06-2 |
500 |
| Chloropicrin and Methyl Bromide mixture |
None |
1500 |
| Chloropicrin and Methyl Chloride mixture |
None |
1500 |
| Cumene Hydroperoxide |
80-15-9 |
5000 |
| Cyanogen |
460-19-5 |
2500 |
| Cyanogen Chloride |
506-77-4 |
500 |
| Cyanuric Fluoride |
675-14-9 |
100 |
| Diacetyl Peroxide (Concentration >70%) |
110-22-5 |
5000 |
| Diazomethane |
334-88-3 |
500 |
| Dibenzoyl Peroxide |
94-36-0 |
7500 |
| Diborane |
19287-45-7 |
100 |
| Dibutyl Peroxide (Tertiary) |
110-05-4 |
5000 |
| Dichloro Acetylene |
7572-29-4 |
250 |
| Dichlorosilane |
4109-96-0 |
2500 |
| Diethylzinc |
557-20-0 |
10000 |
| Diisopropyl Peroxydicarbonate |
105-64-6 |
7500 |
| Dilaluroyl Peroxide |
105-74-8 |
7500 |
| Dimethyldichlorosilane |
75-78-5 |
1000 |
| Dimethylhydrazine, 1,1- |
57-14-7 |
1000 |
| Dimethylamine, Anhydrous |
124-40-3 |
2500 |
| 2,4-Dinitroaniline |
97-02-9 |
5000 |
| Ethyl Methyl Ketone Peroxide (also Methyl Ethyl Ketone Peroxide; concentration >60%) |
1338-23-4 |
5000 |
| Ethyl Nitrite |
109-95-5 |
5000 |
| Ethylamine |
75-04-7 |
7500 |
| Ethylene Fluorohydrin |
371-62-0 |
100 |
| Ethylene Oxide |
75-21-8 |
5000 |
| Ethyleneimine |
151-56-4 |
1000 |
| Fluorine |
7782-41-4 |
1000 |
| Formaldehyde (Formalin) |
50-00-0 |
1000 |
| Furan |
110-00-9 |
500 |
| Hexafluoroacetone |
684-16-2 |
5000 |
| Hydrochloric Acid, Anhydrous |
7647-01-0 |
5000 |
| Hydrofluoric Acid, Anhydrous |
7664-39-3 |
1000 |
| Hydrogen Bromide |
10035-10-6 |
5000 |
| Hydrogen Chloride |
7647-01-0 |
5000 |
| Hydrogen Cyanide, Anhydrous |
74-90-8 |
1000 |
| Hydrogen Fluoride |
7664-39-3 |
1000 |
| Hydrogen Peroxide (52% by weight or greater) |
7722-84-1 |
7500 |
| Hydrogen Selenide |
7783-07-5 |
150 |
| Hydrogen Sulfide |
7783-06-4 |
1500 |
| Hydroxylamine |
7803-49-8 |
2500 |
| Iron, Pentacarbonyl |
13463-40-6 |
250 |
| Isopropylamine |
75-31-0 |
5000 |
| Ketene |
463-51-4 |
100 |
| Methacrylaldehyde |
78-85-3 |
1000 |
| Methacryloyl Chloride |
920-46-7 |
150 |
| Methacryloyloxyethyl Isocyanate |
30674-80-7 |
100 |
| Methyl Acrylonitrile |
126-98-7 |
250 |
| Methylamine, Anhydrous |
74-89-5 |
1000 |
| Methyl Bromide |
74-83-9 |
2500 |
| Methyl Chloride |
74-87-3 |
15000 |
| Methyl Chloroformate |
79-22-1 |
500 |
| Methyl Ethyl Ketone Peroxide (concentration >60%) |
1338-23-4 |
5000 |
| Methyl Fluoroacetate |
453-18-9 |
100 |
| Methyl Fluorosulfate |
421-20-5 |
100 |
| Methyl Hydrazine |
60-34-4 |
100 |
| Methyl Iodide |
74-88-4 |
7500 |
| Methyl Isocyanate |
624-83-9 |
250 |
| Methyl Mercaptan |
74-93-1 |
5000 |
| Methyl Vinyl Ketone |
79-84-4 |
100 |
| Methyltrichlorosilane |
75-79-6 |
500 |
| Nickel Carbonly (Nickel Tetracarbonyl) |
13463-39-3 |
150 |
| Nitric Acid (94.5% by weight or greater) |
7697-37-2 |
500 |
| Nitric Oxide |
10102-43-9 |
250 |
| Nitroaniline (para Nitroaniline |
100-01-6 |
5000 |
| Nitromethane |
75-52-5 |
2500 |
| Nitrogen Dioxide |
10102-44-0 |
250 |
| Nitrogen Oxides (NO; NO2; N204; N203) |
10102-44-0 |
250 |
| Nitrogen Tetroxide (also called Nitrogen Peroxide) |
10544-72-6 |
250 |
| Nitrogen Trifluoride |
7783-54-2 |
5000 |
| Nitrogen Trioxide |
10544-73-7 |
250 |
| Oleum (65% to 80% by weight; also called Fuming Sulfuric Acid) |
8014-95-7 |
1,000 |
| Osmium Tetroxide |
20816-12-0 |
100 |
| Oxygen Difluoride (Fluorine Monoxide) |
7783-41-7 |
100 |
| Ozone |
10028-15-6 |
100 |
| Pentaborane |
19624-22-7 |
100 |
| Peracetic Acid (concentration >60% Acetic Acid; also called Peroxyacetic Acid) |
79-21-0 |
1000 |
| Perchloric Acid (concentration >60% by weight) |
7601-90-3 |
5000 |
| Perchloromethyl Mercaptan |
594-42-3 |
150 |
| Perchloryl Fluoride |
7616-94-6 |
5000 |
| Peroxyacetic Acid (concentration >60% Acetic Acid; also called Peracetic Acid) |
79-21-0 |
1000 |
| Phosgene (also called Carbonyl Chloride) |
75-44-5 |
100 |
| Phosphine (Hydrogen Phosphide) |
7803-51-2 |
100 |
| Phosphorus Oxychloride (also called Phosphoryl Chloride) |
10025-87-3 |
1000 |
| Phosphorus Trichloride |
7719-12-2 |
1000 |
| Phosphoryl Chloride (also called Phosphorus Oxychloride) |
10025-87-3 |
1000 |
| Propargyl Bromide |
106-96-7 |
100 |
| Propyl Nitrate |
627-3-4 |
2500 |
| Sarin |
107-44-8 |
100 |
| Selenium Hexafluoride |
7783-79-1 |
1000 |
| Stibine (Antimony Hydride) |
7803-52-3 |
500 |
| Sulfur Dioxide (liquid) |
7446-09-5 |
1000 |
| Sulfur Pentafluoride |
5714-22-7 |
250 |
| Sulfur Tetrafluoride |
7783-60-0 |
250 |
| Sulfur Trioxide (also called Sulfuric Anhydride) |
7446-11-9 |
1000 |
| Sulfuric Anhydride (also called Sulfur Trioxide) |
7446-11-9 |
1000 |
| Tellurium Hexafluoride |
7783-80-4 |
250 |
| Tetrafluoroethylene |
116-14-3 |
5000 |
| Tetrafluorohydrazine |
10036-47-2 |
5000 |
| Tetramethyl Lead |
75-74-1 |
1000 |
| Thionyl Chloride |
7719-09-7 |
250 |
| Trichloro (chloromethyl) Silane |
1558-25-4 |
100 |
| Trichloro (dichlorophenyl) Silane |
27137-85-5 |
2500 |
| Trichlorosilane |
10025-78-2 |
5000 |
| Trifluorochloroethylene |
79-38-9 |
10000 |
| Trimethyoxysilane |
2487-90-3 |
1500 |
- *Chemical Abstract Service Number.
- **Threshold Quantity in Pounds (Amount necessary to be covered by this standard).