Agent Name

Trichloro(dichlorophenyl)silane

Alternative Name

Dichlorophenyltrichlorosilane

CAS Number

27137-85-5

Formula

C6-H3-Cl5-Si

Major Category

Toxic Gases & Vapors

Synonyms

Dichlorophenyltrichlorosilane; Silane, trichloro(dichlorophenyl)-; Benzene, dichloro(trichlorosilyl)-; Silane, (dichlorophenyl)trichloro-; [ChemIDplus] UN1766

Category

Chlorosilanes

Description

Straw colored liquid with a pungent odor; [HSDB] Clear liquid with an acrid odor of hydrogen chloride; [MSDSonline]

Sources/Uses

Used as intermediate for silicones; [HSDB]

Comments

Forms hydrogen chloride when spilled in water; [ERG] Decomposed by water or moisture evolving hydrogen chloride and heat; Corrosive to skin and eyes; [CAMEO] A strong skin and eye irritant; [HSDB] A severe eye irritant; [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]

Lethal Concentration

LCLo (rat) = 80 mg/m3/2h

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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Related Information in HazMap
Diseases

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