Trichloroethylsilane
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 2016] 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]
Biomedical References
Exposure Assessment
TIH
Yes
Dangerous When Wet
Yes
Vapor Pressure
47.2 mm Hg
Lethal Concentration
LCLo (rat) = 500 ppm/4h
Explanatory Notes
Not TIH in land-based spills, but TiH substance released when spilled in water; [ERG 2016] VP from ChemIDplus;
NFPA
may ignite at ambient temp
Adverse Effects
Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent:
Processes
Industrial Processes with risk of exposure: