Agent Name

Vinyltrichlorosilane

Alternative Name

Trichlorovinylsilane

CAS Number

75-94-5

Formula

C2-H3-Cl3-Si

Major Category

Toxic Gases & Vapors

Synonyms

Trichlorovinylsilane; A 150; A 150 (VAN); A 150 (silane); Silane, trichloroethenyl-; Silane, trichlorovinyl-; Silane, vinyl trichloro A-150; Silane, vinyltrichloro-; Trichloro(vinyl)silane; Trichlorovinyl silicane; Trichlorovinylsilicon; Union carbide A-150; Vinylsilicon trichloride; VTCS; Vinyl trichlorosilane; Vinyltrichlorosilane, inhibited; [ChemIDplus] UN1305

Category

Chlorosilanes

Description

Colorless to pale yellow liquid with sharp, choking odor like hydrochloric acid; [HSDB]

Sources/Uses

Used as monomers in the production of resins that are electrical insulators and resistant to water and high temperatures; also used to make adhesives and silicones; [HSDB]

Comments

Corrosive to skin; [Quick CPC] A lachrymator; High inhalation exposure can induce pneumonitis and pulmonary edema; [HSDB] Toxicity similar to HCl, which is released as vinyltrichlorosilane hydrolyzes; Corrosive to skin and respiratory tract; [AIHA] Reacts violently with water and moisture in the air evolving heat and hydrogen chloride gas; Causes severe burns; [CAMEO] Short-term exposure causes second- and third-degree skin burns and severe eye injury; [CHRIS]

Exposure Assessment
Dangerous When Wet

Yes - A material that, by contact with water, is liable to become spontaneously flammable or to give off flammable or toxic gas at a rate greater than 1 L per kilogram of the material, per hour; [ERG 2004]

WEEL

Ceiling = 1 ppm

Vapor Pressure

65.9 mm Hg

Lethal Concentration

LC50 (rat) = 1,611 ppm/1hr

Explanatory Notes

LC50 (rat) = 500 ppm/4hr; [RTECS]

Flammability (NFPA)

3: May ignite at ambient temperature

Adverse Effects
Lacrimator

Yes

Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Chemical Information

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Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: