Agent Name

Phosgene oxime

Alternative Name

CX

CAS Number

1794-86-1

Formula

C-H-Cl2-N-O

Major Category

Toxic Gases & Vapors

Synonyms

Dichloroformoxine; Dichloroformaldehyde oxime; Dichloroformaldoxime; Dichloroformossina; Dichlorophormoxine; Phosgene, oxime; Carbonimidic dichloride, hydroxy-; CX; [ChemIDplus] UN2811

Category

Chemical Weapons

Description

Colorless, crystalline solid or liquid with an "intense, irritating" odor;

Sources/Uses

Used as a mllitary poison (blistering agent); [HSDB]

Comments

It causes immediate pain and urticaria followed by tissue destruction after skin contact. Inhalation causes pulmonary edema. It penetrates clothing and rubber faster than other military agents. [ccc.apgea.army.mil] It is a solid below 95 degrees F. The liquid is yellowish brown with a strong odor. Wheals form within 30 minutes, and tissue necrosis occurs within 24 hours. Heavy exposure may cause eye injury and blindness. There are no specific diagnostic tests. The chest x-ray may show pulmonary edema. [Weinstein, p. 140] Mp = 39-40 deg C; Pulmonary edema may also result from skin absorption; Although not a true vesicant, causes extensive tissue damage; Estimated dermal LD50 is 25 mg/kg; [HSDB]

Reference Link

ATSDR - Medical Management: Phosgene Oxime

Exposure Assessment
Vapor Pressure

11.2 mm Hg

Adverse Effects
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
Other Information

No other related information on this agent was found.