Agent Name

Octyltrichlorosilane

CAS Number

5283-66-9

Formula

C8-H17-Cl3-Si

Major Category

Toxic Gases & Vapors

Synonyms

Silane, trichlorooctyl-; Trichlorooctylsilane; [ChemIDplus] n-Octyltrichlorosilane; [MSDSonline] UN1801

Category

Chlorosilanes

Description

Water-white liquid with a strong irritating odor; [Hawley]

Sources/Uses

Used as intermediate for silicones; [Hawley]

Comments

A strong skin and mucous membrane irritant; [Hawley] Produces hydrogen chloride when spilled in water; [ERG 2016] Reacts with water and air evolving hydrogen chloride; Corrosive to tissue; [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
TIH

Yes

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]

Explanatory Notes

Not TIH in land-based spills, but TiH substance released when spilled in water; [ERG 2016]

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

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: