Agent Name

4-Vinyltoluene

CAS Number

622-97-9

Formula

C9-H10

Major Category

Other Classes

Synonyms

1-Ethenyl-4-methylbenzene; 1-Methyl-4-vinylbenzene; 1-p-Tolylethene; 4-Methylstyrene; Benzene, 1-ethenyl-4-methyl-; P-Methylstyrene; p-Methyl styrene; p-Methylstyrene; p-Vinyltoluene; Styrene, p-methyl-; para-Methylstyrene; [ChemIDplus] UN2618

Category

Aromatic Hydrocarbons

Description

Colorless liquid; [ICSC]

Sources/Uses

Used in isomeric mixture with 3-vinyltoluene as monomers for producing poly(vinyltoluene); in the production of polyester resins; to produce synthetic elastomers (co-polymerized with isobutylene); as a reactive monomer; in the coatings industry as a modifier for drying oils and oil-modified alkyds; as a replacement for styrene in unsaturated polyester resins; as a copolymer with styrene to increase the operating temperature range of paints, coatings and varnishes; [HSDB]

Comments

A skin, eye, and respiratory tract irritant; Inhalation of high concentrations may cause CNS effects; Defats the skin; May have effects on the liver and kidneys; [ICSC] Causes elevation of liver enzymes in 13 week inhalation studies of rats; [Reference #1] See "Vinyl toluene."

Exposure Assessment
Vapor Pressure

1.81 mm Hg

Lethal Concentration

LC50 (rat) >3500 ppm/4h;

Explanatory Notes

Flash point = 52.8 deg C; [ICSC] The Guide in the Emergency Response Guidebook is for "Vinyltoluenes, stabilized."

Flammability (NFPA)

2: High ambient temperature required

Adverse Effects
Neurotoxin

CNS Solvent Syndrome

Hepatotoxin

Hepatotoxin, Secondary

IARC Carcinogen

Not Classifiable

ACGIH Carcinogen

Not Classifiable

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
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: