Agent Name

Valeryl chloride

CAS Number

638-29-9

Formula

C5-H9-Cl-O

Major Category

Toxic Gases & Vapors

Synonyms

Pentanoyl chloride; [ChemIDplus] n-Butanecarbonyl chloride; n-Pentanoyl chloride; Pentanoic acid chloride; Valeroyl chloride; [CAMEO] UN2502

Category

Acid Halides

Description

Colorless fuming liquid with a pungent odor; [CAMEO] Colorless to pale yellow liquid with an acrid odor; [Alfa Aesar MSDS]

Sources/Uses

Used to make large scale and fine chemicals; [ExPub: ECHA REACH Registrations]

Comments

Reacts with water evolving hydrochloric and valeric acids; Corrosive; Fumes cause eye and mucous membrane irritation; [CAMEO] Hydrolyzed by water; Causes burns; Harmful by ingestion and inhalation; [Alfa Aesar MSDS]

Exposure Assessment
Lethal Concentration

LC50 (rat) = 2,070 mg/m3/4hr

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Other Information

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