Dichlorodiphenylsilane
Agent Name
Dichlorodiphenylsilane
CAS Number
80-10-4
Formula
C12-H10-Cl2-Si
Major Category
Toxic Gases & Vapors
Synonyms
Dichlor-difenylsilan [Czech]; Diphenyldichlorosilane; Diphenyl dichlorosilane; Diphenylsilicon dichloride; Diphenylsilyl dichloride; Silane, dichlorodiphenyl-; TSL 8062; [ChemIDplus] UN1769
Category
Chlorosilanes
Description
Colorless liquid; [Hawley]
Sources/Uses
Used as intermediate for silicone lubricant and dimethyldiloxane oligomers; [HSDB]
Comments
Hydrolyzed by moisture liberating hydrogen chloride; A strong tissue irritant; [Hawley] Produces hydrogen chloride when spilled in water; [ERG 2016] Can cause severe burns to skin and eyes; [HSDB] Highly reactive with water evolving hydrogen chloride and heat; A mucous membrane irritant; Can cause severe burns to eyes and skin; [CAMEO] 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
0.000796 mm Hg
Explanatory Notes
Not TIH in land-based spills, but TiH substance released when spilled in water; [ERG 2016] VP from ChemIDplus;
NFPA
must be preheated
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: