Agent Name

Diphosgene

Alternative Name

Trichloromethyl chloroformate

CAS Number

503-38-8

Formula

C2-Cl4-O2

Major Category

Toxic Gases & Vapors

Synonyms

Carbonochloridic acid trichloromethyl ester; Difosgen [Czech]; Diphosgen; Diphosgene; Formic acid, chloro-, trichloromethyl ester; Methanol, trichloro-, chloroformate; Perchloromethyl formate; Superpalite; Trichlormethylester kyseliny chlormravenci [Czech]; Trichloromethyl chloroformate [ChemIDPlus]

Category

Acid Halides

Description

Colorless liquid with a fruity odor or odorless; [CAMEO]

Sources/Uses

Used as a chemical intermediate and miltary weapon; [CAMEO]

Comments

Similar to phosgene in reactivity; Decomposes slowly in water or moisture to release hydrochloric acid and carbon monoxide; Skin contact may cause burns or frostbite; [CAMEO] Causes lachrymation; [ICSC] See "Phosgene."

Exposure Assessment
TIH

Yes

Adverse Effects
Lacrimator

Yes

Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

Chemical Information

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: