Agent Name

Ethyldichlorosilane

CAS Number

1789-58-8

Formula

C2-H6-Cl2-Si

Major Category

Toxic Gases & Vapors

Synonyms

Dichloroethylsilane; Monoethyldichlorosilane; Silane, dichloroethyl-; [ChemIDplus] UN1183

Category

Chlorosilanes

Description

Colorless liquid; [Hawley]

Sources/Uses

Used as intermediate for silicones; [Hawley]

Comments

Hydrolyzed by moisture evolving hydrogen and hydrogen chloride; A flammable liquid that poses a dangerous fire risk; A strong skin and eye irritant; [Hawley] Produces hydrogen chloride when spilled in water; [ERG] A severe skin, eye, and mucous membrane irritant; [HSDB] Flammable liquid that reacts with water and is spontaneously flammable in air; Can cause severe burns to eyes and skin; [CAMEO] Reacts violently with water; Can cause severe 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]

Flammability (NFPA)

3: May ignite at ambient temperature

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

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Toxicity Information

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Diseases

Occupational diseases associated with exposure to this agent:

Processes

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