List of extremely hazardous substances

This is a list of Extremely Hazardous Substances as defined by Section 302 of the U.S. Emergency Planning and Community Right-to-Know Act.

A

 * Acetone cyanohydrin
 * Acetone thiosemicarbazide
 * Acrolein
 * Acrylamide
 * Acrylonitrile
 * Acryloyl chloride
 * Adiponitrile
 * Aldicarb
 * Aldrin
 * Allyl alcohol
 * Allylamine
 * Aluminum phosphide
 * Aminopterin
 * Amiton
 * Amiton oxalate
 * Ammonia
 * Aniline
 * Aniline, 2,4,6-trimethyl-
 * Antimony pentafluoride
 * Alpha-naphthyl thiourea (Antu)
 * Arsenic pentoxide
 * Arsenous oxide
 * Arsenous trichloride
 * Arsine
 * Azinphos-ethyl
 * Azinphos-methyl

B

 * Benzal chloride
 * Benzenamine, 3-(trifluoromethyl)-
 * Benzenearsonic acid
 * Benzimidazole, 4,5-dichloro-2-(trifluoromethyl)-
 * Benzotrichloride
 * Benzyl chloride
 * Benzyl cyanide
 * Bicyclo(2.2.1)heptane-2-carbonitrile
 * Bis(chloromethyl) ketone
 * Bitoscanate
 * Boron trichloride
 * Boron trifluoride
 * Boron trifluoride compound with
 * Bromadiolone
 * Bromine

C

 * Cadmium oxide
 * Cadmium stearate
 * Calcium arsenate
 * Camphechlor
 * Cantharidin
 * Capsaicin (or any of the natural capsaicinoids besides nonivamide, though none are as potent as capsaicin)
 * Carbachol chloride
 * Carbamic acid,methyl-, o-(2,4-dimethyl-1)
 * Carbofuran
 * Carbon disulfide
 * Carbophenothion
 * Chlordane
 * Chlorfenvinfos
 * Chlorine
 * Chlormephos
 * Chlormequat chloride
 * Chloroacetic acid
 * 2-chloroethanol
 * Chloroethyl chloroformate
 * Chloroform
 * Chloromethyl ether
 * Chloromethyl methyl ether
 * Chlorophacinone
 * Chloroxuron
 * Chlorthiophos
 * Chromic chloride
 * Cobalt carbonyl
 * Cobalt, ((2,2'-(1,2-ethanediylbis))
 * Colchicine
 * Coumaphos
 * Cresol, -o
 * Crimidine
 * Crotonaldehyde
 * Crotonaldehyde, (e)-
 * Cyanide
 * Cyanogen bromide
 * Cyanogen iodide
 * Cyanophos
 * Cyanuric fluoride
 * Cycloheximide
 * Cyclohexylamine

D

 * Decaborane(14)
 * Demeton
 * Demeton-s-methyl
 * Dialifor
 * Diborane
 * Dichloroethyl ether
 * Dichloromethylphenylsilane
 * Dichlorvos
 * Dicrotophos
 * Diepoxybutane
 * Diethyl chlorophosphate
 * Digitoxin
 * Diglycidyl ether
 * Digoxin
 * Dimefox
 * Dimethoate
 * Dimethyl phosphorochloridothioate
 * Dimethyl-p-phenylenediamine
 * Dimethyldichlorosilane
 * Dimethylhydrazine
 * Dimetilan
 * Dinitrocresol
 * Dinoseb
 * Dinoterb
 * Dioxathion
 * Diphacinone
 * Disulfoton
 * Dithiazanine iodide
 * Dithiobiuret

E

 * Endosulfan
 * Endothion
 * Endrin
 * Epichlorohydrin
 * EPN, or O-Ethyl-O-(4-nitrophenyl)phenylthiophosphonate
 * Ergocalciferol
 * Ergotamine tartrate
 * Ethanesulfonyl chloride, 2-chloro-
 * Ethanol, 1,2-dichloro-, acetate
 * Ethion
 * Ethoprophos
 * Ethylbis(2-chloroethyl)amine
 * Ethylene fluorohydrin
 * Ethylene oxide
 * Ethylenediamine
 * Ethyleneimine
 * Ethylthiocyanate

F

 * Fenamiphos
 * Fenitrothion
 * Fensulfothion
 * Fluenetil
 * Fluorine
 * Fluoroacetamide
 * Fluoroacetic acid
 * Fluoroacetyl chloride
 * Fluorouracil
 * Fonofos
 * Formaldehyde
 * Formaldehyde cyanohydrin
 * Formetanate hydrochloride
 * Formothion
 * Formparanate
 * Fosthietan
 * Fuberidazole
 * Furan

G

 * Gallium trichloride

H

 * Hexachlorocyclopentadiene
 * Hexamethylenediamine, N,N'-dibutyl-
 * Hydrazine
 * Hydrocyanic acid
 * Hydrogen chloride (gas only)
 * Hydrogen fluoride
 * Hydrogen selenide
 * Hydrogen sulfide
 * Hydroquinone

I

 * Iron, pentacarbonyl-
 * Isobenzan
 * Isocyanic acid, 3,4-dichlorophenyl ester
 * Isodrin
 * Isophorone diisocyanate
 * Isopropylmethylpyrazolyl dimethylcarbamate

L

 * Lactonitrile
 * Leptophos
 * Lewisite
 * Lindane
 * Lithium hydride

M

 * Malononitrile
 * Manganese, tricarbonyl methylcyclopentadienyl
 * Mechlorethamine
 * Mercuric acetate
 * Mercuric chloride
 * Mercuric oxide
 * Methacrolein diacetate
 * Methacrylic anhydride
 * Methacrylonitrile
 * Methacryloyl chloride
 * Methacryloyloxyethyl isocyanate
 * Methamidophos
 * Methanesulfonyl fluoride
 * Methidathion
 * Methiocarb
 * Methomyl
 * Methoxyethylmercuric acetate
 * Methyl 2-chloroacrylate
 * Methyl bromide
 * Methyl chloroformate
 * Methyl hydrazine
 * Methyl isocyanate
 * Methyl isothiocyanate
 * Methyl phenkapton
 * Methyl phosphonic dichloride
 * Methyl thiocyanate
 * Methyl vinyl ketone
 * Methylmercuric dicyanamide
 * Methyltrichlorosilane
 * Metolcarb
 * Mevinphos
 * Mexacarbate
 * Mitomycin C
 * Monocrotophos
 * Muscimol
 * Mustard gas

N

 * Nickel carbonyl
 * Nicotine
 * Nicotine sulfate
 * Nitric oxide
 * Nitrobenzene
 * Nitrocyclohexane
 * Nitrogen dioxide
 * Nitrosodimethylamine
 * Norbormide

O

 * Organorhodium complex
 * Osmium Tetroxide
 * Ouabain
 * Oxamyl
 * Oxetane, 3,3-bis(chloromethyl)-
 * Oxydisulfoton

P

 * Paraquat
 * Paraquat methosulfate
 * Parathion
 * Parathion-methyl
 * Paris green
 * Pentaborane
 * Pentadecylamine
 * Peracetic acid
 * Perchloromethylmercaptan
 * Phenol
 * Phenol, 2,2'-thiobis(4-chloro-6-methyl)-
 * Phenol, 3-(1-methylethyl)-, methylcarbamate
 * Phenoxarsine, 10,10'-oxydi-
 * Phenyl dichloroarsine
 * Phenylhydrazine hydrochloride
 * Phenylmercury acetate
 * Phenylsilatrane
 * Phenylthiourea
 * Phosacetim
 * Phosfolan
 * Phosgene
 * Phosmet
 * Phosphamidon
 * Phosphine
 * Phosphonothioic acid, methyl-,
 * Phosphonothioic acid, methyl-, o-ethyl
 * Phosphonothioic acid, methyl-, s-(2-(bis(1-methylethyl)amino)ethyl)O-ethyl ester
 * Phosphoric acid, dimethyl 4-(methylthio)
 * Phosphorothioic acid, o,o-dimethyl
 * Phosphorus
 * Phosphorus oxychloride
 * Phosphorus pentachloride
 * Phosphorus pentoxide
 * Phosphorus trichloride
 * Physostigmine
 * Physostigmine, salicylate (1:1)
 * Picrotoxin
 * Piperidine
 * Pirimifos-ethyl
 * Plutonium
 * Polonium-210
 * Potassium arsenite
 * Potassium cyanide
 * Potassium silver cyanide
 * Promecarb
 * Propargyl bromide
 * Propionitrile
 * Propionitrile, 3-chloro-
 * Propiophenone, 4'-amino-
 * Propyleneimine
 * Prothoate
 * Pyrene
 * Pyridine, 4-amino-
 * Pyridine, 4-nitro-, 1-oxide
 * Pyriminil

R

 * Ricin

S

 * Salcomine
 * Sarin
 * Selenious acid
 * Semicarbazide hydrochloride
 * Silane, (4-aminobutyl)diethoxymethyl-
 * Sodium arsenate
 * Sodium azide
 * Sodium cacodylate
 * Sodium cyanide
 * Sodium fluoroacetate
 * Sodium pentachlorophenate
 * Sodium selenate
 * Sodium selenite
 * Stannane, acetoxytriphenyl-
 * Strychnine
 * Strychnine sulfate
 * Sulfotep
 * Sulfoxide, 3-chloropropyl octyl
 * Sulfur dioxide
 * Sulfur tetrafluoride
 * Sulfur trioxide
 * Sulfuric acid

T

 * Tabun
 * Tellurium
 * Tellurium hexafluoride
 * TEPP
 * Terbufos
 * Tetraethyllead
 * Tetraethyltin
 * Tetranitromethane
 * Thallium sulfate
 * Thallous carbonate
 * Thallous chloride
 * Thallous malonate
 * Thallous sulfate
 * Thiocarbazide
 * Thiofanox
 * Thionazin
 * Thiophenol
 * Thiosemicarbazide
 * Thiourea, (2-chlorophenyl)-
 * Thiourea, (2-methylphenyl)-
 * Titanium tetrachloride
 * Toluene 2,4-diisocyanate
 * Toluene 2,6-diisocyanate
 * Trans-1,4-dichlorobutene
 * Triamiphos
 * Triazofos
 * Trichloro(chloromethyl)silane
 * Trichloro(dichlorophenyl)silane
 * Trichloroacetyl chloride
 * Trichloroethylsilane
 * Trichloronate
 * Trichlorophenylsilane
 * Triethoxysilane
 * Trimethylchlorosilane
 * Trimethylolpropane phosphite
 * Trimethyltin chloride
 * Triphenyltin chloride
 * Tris(2-chloroethyl)amine

U

 * Uranium

V

 * Valinomycin
 * Vinyl acetate monomer

W

 * Warfarin
 * Warfarin sodium

X

 * Xylylene dichloride

Z

 * Zinc phosphide