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.

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Contents: Top - 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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
• 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)-
• 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
• Ethienocarb

References

• Extremely Hazardous Substances (EHS) Chemical Profiles and Emergency First Aid Guides. Environment Protection Agency.