Agent Name

Fumaryl chloride

CAS Number

627-63-4

Formula

C4-H2-Cl2-O2

Major Category

Toxic Gases & Vapors

Synonyms

Chlorure de fumaryle [French]; Dichlorid kyseliny fumarove [Czech]; Fumaroyl chloride; Fumaroyl dichloride; Fumarylchlorid [Czech]; TL 189; 2-Butenedioyl dichloride, (2E)-; 2-Butenedioyl dichloride, (E)-; [ChemIDplus] Fumaric acid chloride; Fumaric acid dichloride; Fumaric dichloride; Fumaryl dichloride; [CAMEO] UN1780

Category

Acid Halides

Description

Fuming straw-colored liquid with a pungent odor; [CAMEO] Colorless liquid with an acrid odor; [Alfa Aesar MSDS]

Comments

A severe skin and eye irritant; Causes musculoskeletal changes in inhalation lethal-concentration studies of mice; [RTECS] Corrosive to tissue; Vapor causes eye and mucous membrane irritation; [CAMEO] Reacts with water; Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; Harmful by ingestion, inhalation, and skin absorption; [Alfa Aesar MSDS]

Exposure Assessment
Vapor Pressure

2.07 mm Hg

Lethal Concentration

LCLo (rat) = 500 ppm/4hr

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
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