Agent Name

Phenyltrichlorosilane

CAS Number

98-13-5

Formula

C6-H5-Cl3-Si

Major Category

Toxic Gases & Vapors

Synonyms

Phenylsilicon trichloride; Silane, phenyltrichloro-; Silicon phenyl trichloride; Trichlorophenylsilane; Benzene, (trichlorosilyl)-; Silane, trichlorophenyl-; Trichloro(phenyl)silane; [ChemIDplus] UN1804

Category

Chlorosilanes

Description

Colorless liquid; [Hawley]

Sources/Uses

Used as monomer for polymers in water repellents, electrical insulating resins, and heat-resistant resins for paints; Also used to make silicones; [HSDB]

Comments

A strong tissue irritant; [Hawley] Produces hydrogen chloride when spilled in water; [ERG] Reacts violently with water producing gaseous hydrogen chloride; A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; "Inhalation -- lungs may fill up with fluid or throat may swell causing suffocation." [CAMEO] Reacts 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

15 mm Hg

Lethal Concentration

LC50 (mice) = 330 mg/m3/2h

Flammability (NFPA)

2: High ambient temperature required

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

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: