Agent Name

1,1,1,2,2,3,3,3-Octachlorotrisilane

CAS Number

13596-23-1

Formula

Cl8-Si3

Major Category

Toxic Gases & Vapors

Synonyms

Octachlorotrisilane; Trisilane, 1,1,1,2,2,3,3,3-octachloro-; Trisilane, octachloro-; [ChemIDplus] Perchlorotrisilane; [Gelest MSDS] UN2987

Category

Chlorosilanes

Description

Clear to straw-colored liquid with an acrid odor like hydrogen chloride; [Gelest MSDS]

Comments

Contains less than 10% hexachlorodisilane (CAS# 13465-77-5); Reacts violently with water evolving hydrogen chloride; Causes burns; Inhalation overexposure may cause severe corrosive injuries; [Gelest MSDS]

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]

Explanatory Notes

Vapor pressure = 10 mm Hg at 90 deg C; [Gelest MSDS] The Guide in the Emergency Response Guidebook is for "Chlorosilanes, n.o.s."

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
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: