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List of Accute Toxins

Acetaldehyde
Acrolein (2-Propenal)
Acrylyl Chloride
Allyl Chloride
Allylamine
Alkylaluminums
Ammonia Anhydrous
Ammonia Solutions (>44% ammonia by weight)
Ammonium Perchlorate
Ammonium Permanganate
Arsine (also called Arsenic Hydride)
Bis(chloromethyl) Ether
Boron Trichloride
Boron Trifluoride
Bromine
Bromine Chloride
Bromine Pentafluoride
Bromine Trifluoride
3-Bromopropyne (also called Propargyl Bromide)
Butyl Hydroperoxide (Tertiary)
Butyl Perbenzoate (Tertiary)
Carbonyl Chloride (see Phosgene)
Carbonyl Fluoride
Cellulose Nitrate (concentration >12.6% nitrogen)
Chlorine
Chlorine Dioxide
Chlorine Pentafluoride
Chlorine Trifluoride
Chlorodiethylaluminum (also called Diethylaluminum Chloride)
1 -Chloro-2,4-Dintrobenzene
Chloromethyl Methyl Ether
Chloropicrin
Chloropicrin and Methyl Bromide mixture
Chloropicrin and Methyl Chloride mixture
Cumene Hydroperoxide
Cyanogen
Cyanogen Chloride
Cyanuric Fluoride
Diacetyl Peroxide (concentration >70%)
Diazomethane
Dibenzoyl Peroxide
Diborane
Dibutyl Peroxide (Tertiary)
Dichloro Acetylene
Dichlorosilane
Diethylzinc
Disopropyl peroxydicarbonate
Dilauroyl Peroxide
Dimethyl Sulfide
Dimethyldichlorosilane
Dimethylhydrazine, l,l-
Dimethylamine, Anhydrous
2,4-Dinitroaniline
Ethyl Methyl Ketone Peroxide (also Methyl Ethyl Ketone Peroxide;
concentration >60%)
Ethyl Nitrite
Ethylamine
Ethylene Fluorohydrin
Ethylene Oxide
Ethyleneimine Fluorine
Formaldehyde (concentration >90%)
Furan
Hexafluoroacetone
Hydrochloric Acid, Anhydrous
Hydrofluoric Acid, Anhydrous
Hydrogen Bromide
Hydrogen Chloride
Hydrogen Cyanide, Anhydrous
Hydrogen Fluoride
Hydrogen Peroxide (52% by weight or more)
Hydrogen Selenide
Hydrogen Sulfide
Hydroxylamine
Iron, pentacarbonyl
Isopropyl Formate
Isopropylamine
Ketene
Methacrylaldehyde
Methacryloyl Chloride
Methacryloyloxyethyl Isocyanate
Methyl Acrylontrile
Methylamine Anhydrous
Methyl Bromide
Methyl Chloride
Methyl Chloroformate
Methyl Disulfide
Methyl Ethyl Ketone Peroxide (concentration >60%)
Methyl Fluoroacetate
Methyl Fluorosulfate
Methyl Hydrazine
Methyl Iodide
Methyl Isocyanate
Methyl Mercaptan
Methyl Vinyl Ketone
Methyltrichlorosilane
Nickel Carbonyl (Nickel Tetracarbonyl)
Nitric Acid (94.5% by weight or greater)
Nitric Oxide
Nitroanilane (para Nitroanine)
Nitromethane
Nitrogen Dioxide
Nitrogen Oxides (NO; NO2, N204; N203)
Nitrogen Tetroxide (also called Nitrogen Peroxide)
Nitrogen Trifluoride
Nitrogen Trioxide
Oleum (65% to 80% by weight, also called Fuming Sulfuric Acid)
Osmium Tetroxide
Oxygen Difluoride (Fluorine Monoxide)
Ozone
Pentaborane
Peracetic Acid (also called Peroxyacetic Acid)
Perchloric Acid (concentration >60%)
Perchloromethyl Mercaptan
Perchloryl Fluoride
Peroxyacetic Acid (Concentration >60%; also called Peracetic Acid)
Phosgene (also called Carbonyl chloride)
Phosphine (Hydrogen Phosphide)
Phosphorus Oxychloride (also called Phosphoryl Chloride)
Phosphorus Trichloride
Phosphoryl Chloride (also called Phosphorus Oxychloride)
Propargyl Bromide
Propyl Nitrate
Sarin
Selenium Hexafluoride
Stibine (Antimony Hydride)
Sulfur Dioxide (liquid)
Sulfur Pentafluoride
Sulfur Tetrafluoride
Sulfur Trioxide (also called Sulfuric Anhydride)
Sulfuric Anhydride (also called Sulfur Trioxide)
Tellenium Hexafluoride
Tetrafluoroethylene
Tetrafluorohydrazine
Tetramethyl Lead
Thionyl Chloride
Trichloro(chloromethyl) Silane Trichloro(dichlorophenyl) Silane
Trichlorosilane
Trich1oroethylene
Trimethyoxysi1ane

Taken from Appendix A to 29 CFR 1910.119 - List of Highly Hazardous Chemicals (mandatory).