- Part Number:1910
- Part Number Title:Occupational Safety and Health Standards
- Subpart:1910 Subpart H
- Subpart Title:Hazardous Materials
- Standard Number:
- Title:List of Highly Hazardous Chemicals, Toxics and Reactives (Mandatory).
- GPO Source:
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.
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| |
CHEMICAL NAME | CAS* | TQ**
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| |
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 (greater | |
than 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| |
greater than 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 greater | |
than 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 | |
greater than 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 greater | |
than 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; NO(2); | |
N2O4; N2O3) | 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 | 1000
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 | |
greater 60% Acetic Acid; also | |
called Peroxyacetic Acid) | 79-21-0 | 1000
Perchloric Acid (concentration | |
greater than 60% by weight) | 7601-90-3 | 5000
Perchloromethyl Mercaptan | 594-42-3 | 150
Perchloryl Fluoride | 7616-94-6 | 5000
Peroxyacetic Acid (concentration| |
greater than 60% Acetic Acid; | |
also called Peracetic Acid) | 79-21-0 | 1000
Phosgene (also called Carbonyl | 75-44-5 | 100
Chloride) | |
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
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Footnote* Chemical Abstract Service Number
Footnote** Threshold Quantity in Pounds (Amount necessary to be
covered by this standard.)
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