Agent Name

Ethyldichloroarsine

CAS Number

598-14-1

Formula

C2-H5-As-Cl2

Major Category

Toxic Gases & Vapors

Synonyms

Ethylarsonous dichloride; Ethyldichlorarsine; Arsine, dichloroethyl-; Arsonous dichloride, ethyl-; Dichloro(ethyl)arsine; UN1892; [ChemIDplus]

Category

Chemical Weapons

Description

Colorless liquid with a fruity, irritating odor; [CAMEO]

Sources/Uses

Used as a chemical weapon; [HSDB]

Comments

A powerful irritant that can induce pulmonary edema; [HSDB] Reacts with water to release hydrochloric acid; [CAMEO] The liquid produces blisters after an exposure of less than one minute. Bleach may be used to decontaminate ethyldichloroarsine in closed spaces. In open areas, the substance decomposes rapidly without need for decontamination. [Sullivan, J.B. Jr., G.R. Krieger (eds.). Hazardous Materials Toxicology. Baltimore: Williams and Wilkins, 1992, p. 995]

Exposure Assessment
TIH

Yes

Vapor Pressure

2.29 mm Hg

Lethal Concentration

LCLo (cats) = 50 mg/m3/40 min

Explanatory Notes

Boiling point = 168 degrees F;

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

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Diseases

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