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] 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]

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

0.0096 mm Hg

Flammability (NFPA)

1: Must be preheated

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
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