Agent Name

Ethyl chloroformate

CAS Number

541-41-3

Formula

C3-H5-Cl-O2

Major Category

Toxic Gases & Vapors

Synonyms

Carbonochloridic acid, ethyl ester; Cathyl chloride; Chlorameisensaeureaethylester [German]; Chlorocarbonate d'ethyle [French]; Chlorocarbonic acid ethyl ester; Chloroformic acid ethyl ester; Clhorameisensaeureaethylester [German]; Cloroformiato de etilo [Spanish]; ECF; Ethoxycarbonyl chloride; Ethyl carbonochloridate; Ethyl chlorocarbonate; Ethyl chloroformate; Ethyl chloromethanoate; Ethylchloorformiaat [Dutch]; Ethyle, chloroformiat d' [French]; Ethylester kyseliny chlormravenci [Czech]; Etil clorocarbonato [Italian]; Etil cloroformiato [Italian]; Formic acid, chloro-, ethyl ester; TL 423; [ChemIDplus] UN1182

Category

Acid Halides

Description

Colorless liquid with a pungent odor; [ICSC]

Sources/Uses

Used as solvent in the photographic industry and to make carbamates for the production of dyes, drugs, veterinary medicines, herbicides and insecticides; Used as a stabilizer for PVC; [HSDB]

Comments

Corrosive to skin; Highly toxic; [Quick CPC] A corrosive substance that causes lacrimation and may cause lung edema after inhalation of high concentrations; [ICSC] A strong irritant to skin, eyes, and respiratory tract; Capable of causing severe burns to the eyes and skin; [HSDB] Reacts with water; [MSDSonline] See "CHLOROFORMATES."

Exposure Assessment
Vapor Pressure

22.4 mm Hg

Lethal Concentration

LC50 (rat) = 189 ppm/1h

Explanatory Notes

Flash point = 16 deg C; [HSDB]

Flammability (NFPA)

3: May ignite at ambient temperature

Adverse Effects
Lacrimator

Yes

Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Processes

Industrial Processes with risk of exposure: