Dimethylchlorosilane
Agent Name
Dimethylchlorosilane
CAS Number
1066-35-9
Formula
C2-H7-Cl-Si
Major Category
Toxic Gases & Vapors
Synonyms
Chlorodimethylsilane; Silane, chlorodimethyl-; [ChemIDplus] Chlorodimethylhydrosilane; Dimethylchlorohydrosilane; Dimethylhydrosilyl chloride; Dimethylmonochlorosilane; Dimethylsilyl chloride; [CAMEO] DMCS; [Sigma-Aldrich MSDS] UN2986
Category
Chlorosilanes
Description
Colorless fuming liquid with a pungent, burning odor; Bp = 35 deg C; [CAMEO]
Comments
Reacts violently with water evolving heat and hydrogen chloride gas; Liquid and vapor highly corrosive to skin and respiratory tissue; [CAMEO] Reacts with water producing flammable gases that may ignite spontaneously; Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; [Sigma-Aldrich MSDS]
Biomedical References
Exposure Assessment
TIH
Yes
Dangerous When Wet
Yes
Vapor Pressure
442.6 mm Hg
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Chlorosilanes, corrosive, flammable, n.o.s." Not TIH in land-based spills, but TiH substance released when spilled in water; [ERG 2016]
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: