Agent Name

Trichloroethylsilane

CAS Number

115-21-9

Formula

C2-H5-Cl3-Si

Major Category

Toxic Gases & Vapors

Synonyms

Ethyl silicon trichloride; Ethyl trichlorosilane; Ethyltrichlorosilane; Silane, ethyl(trichloro)-; Silane, trichloroethyl-; Silicane, trichloroethyl-; Trichloroethylsilicane; Trichloroethylsilicon; [ChemIDplus] UN1196

Category

Chlorosilanes

Description

Colorless liquid; [HSDB] Clear liquid with a pungent odor; [CAMEO]

Sources/Uses

Used as intermediate for silicones; [HSDB]

Comments

Produces hydrogen chloride when spilled in water; [ERG] A strong irritant; [HSDB] Reacts violently with water or moisture producing heat, hydrogen, and hydrogen chloride gas; Corrosive to skin and eyes; [CAMEO] Corrosive to skin and eyes; [eChemPortal: ERMA] Reacts violently with water; A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis; [MSDSonline]

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]

Vapor Pressure

47.2 mm Hg

Lethal Concentration

LCLo (rat) = 500 ppm/4h

Flammability (NFPA)

3: May ignite at ambient temperature

Adverse Effects
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

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Processes

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