Agent Name

Chloral

CAS Number

75-87-6

Formula

C2-H-Cl3-O

Major Category

Other Classes

Synonyms

2,2,2-Trichloroacetaldehyde; Acetaldehyde, trichloro-; Anhydrous chloral; Chloral (IUPAC); Cloralio [Italian]; Grasex; Trichloroacetaldehyde; Trichloroethanal; [ChemIDplus] UN2075

Category

Aldehydes

Description

Colorless liquid with an irritating odor; [HSDB] Odor is pungent and irritating; [MSDSonline]

Sources/Uses

Used to make trichloroacetic acid, chloral hydrate, DDT, methoxychlor, DDVP, naled, and trichlorofon; Also used to induce swelling of starch granules and to spray and pour polyurethanes; [HSDB]

Comments

A skin, eye, and mucous membrane irritant; Toxic by inhalation, ingestion, and skin contact; [CAMEO] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Hypnotic and CNS depressant; Effects in high-dose animal studies include acute pulmonary edema; "Can be habit forming with effects similar to alcohol." [MSDSonline]

Exposure Assessment
Vapor Pressure

50 mm Hg

Lethal Concentration

LC50 (rat) = 440 mg/m3/4h

Explanatory Notes

Flash point = 75 deg C; [CAMEO] The Guide from the Emergency Response Guidebook is for "Chloral, anhydrous, stabilized."

Adverse Effects
Toxic Pneumonitis

Yes

Neurotoxin

Other CNS Neurotoxin

Dermatotoxin

Skin Burns

IARC Carcinogen

Probable Carcinogen

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Other Information

No other related information on this agent was found.