4-Vinyltoluene

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] Vinyltoluenes, stabilized (UN2618) has warning of explosive polymerization; [ERG 2016] See "Vinyl toluene."

Biomedical References

1.81 mm Hg

LC50 (rat) >3500 ppm/4h;

Yes

Explanatory Notes

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

high ambient temp required

Acute solvent syndrome

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Not classifiable

Not Classifiable

Diseases

Occupational diseases associated with exposure to this agent:

• Solvents, acute toxic effect

Processes

Industrial Processes with risk of exposure:

• Plastic Composites Manufacturing