Agent Name

Benzyl cyanide

Alternative Name

Phenylacetonitrile

CAS Number

140-29-4

Formula

C8-H7-N

Major Category

Nitrogen Compounds

Synonyms

Phenylacetonitrile; (Cyanomethyl)benzene; 2-Phenylacetonitrile; Acetic acid, phenyl-nitrile; Acetonitrile, phenyl-; Benzeneacetonitrile; Benzyl nitrile; Benzylkyanid [Czech]; Benzylnitrile; Phenyl acetyl nitrile; Toluene, alpha-cyano-; alpha-Cyanotoluene; alpha-Tolunitrile; [ChemIDplus] UN2470

Category

Nitriles

Description

Colorless liquid; [HSDB] Faintly yellow liquid, soluble in water; [MSDSonline]

Sources/Uses

Used in organic synthesis; as a chemical intermediate for pharmaceutical drugs; with esters for perfumes and flavors; in the synthesis of optical bleaches for fibers; in the production of insecticides; [HSDB]

Comments

A skin, eye, and mucous membrane irritant, possibly burning skin and eyes; Toxic by inhalation, ingestion, and skin absorption; [CAMEO] Highly toxic; Oral LD50 (mouse) = 45.5 mg/kg; Skin LD50 (rat) = 2000 mg/kg; [MSDSonline] See "NITRILES."

Exposure Assessment
Vapor Pressure

0.08 mm Hg

Lethal Concentration

LC50 (rat) = 430 mg/m3/2hr

Explanatory Notes

Flash point = 102 deg C; [HSDB] bp = 233.5 deg C; [Ullmann]

Adverse Effects
Other Poison

Chemical Asphyxiant

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
Processes

Industrial Processes with risk of exposure: