Agent Name

Phenylacetylene

Alternative Name

Ethynylbenzene

CAS Number

536-74-3

Formula

C8-H6

Major Category

Other Classes

Synonyms

1-Phenylethyne; Acetylene, phenyl-; Ethyne, phenyl-; Ethynylbenzene; Phenylacetylide; Phenylethyne; Benzene, ethynyl-; [ChemIDplus] UN3295

Category

Aromatic Hydrocarbons

Description

Liquid; [Merck Index]

Sources/Uses

"Can polymerize into DENDRIMERS." [ChemIDplus] "Phenylacetylene is an alkyne hydrocarbon containing a phenyl group. It exists as a colorless, viscous liquid. In research, it is sometimes used as an analog for acetylene; being a liquid, it is easier to handle than acetylene gas." [Wikipedia]

Comments

Causes focal lung fibrosis, acute pulmonary edema, and hemorrhage in oral lethal-dose studies of rats (LDLo = 10 mL/kg); [RTECS] A skin and strong eye irritant; An aspiration hazard by ingestion (may cause lung damage); Suspected carcinogen; Targets the liver, kidney, and CNS; [Sigma-Aldrich MSDS] See "Methylacetylene."

Exposure Assessment
Vapor Pressure

2.06 mm Hg

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Hydrocarbons, liquid, n.o.s."

Links to Other NLM Databases
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.