Agent Name

Trisilane

CAS Number

7783-26-8

Formula

H8-Si3

Major Category

Toxic Gases & Vapors

Synonyms

Trisilicopropane; Trisilicon octahydride; Silicopropane; Trisilicane; [Merck Index] UN3194

Category

Hydrides

Description

Liquid; [Merck Index] Colorless liquid with an irritating odor; [Matheson Tri-Gas MSDS]

Comments

Detonates in air; Decomposed by water; [Merck Index] Pyrophoric; An irritant; May cause thermal burns on ignition; [Matheson Tri-Gas MSDS] See "Silicon tetrahydride."

Exposure Assessment
Explanatory Notes

Vapor pressure = 95.5 mm Hg at 0 deg C; [Merck Index] The Guide in the Emergency Response Guidebook is for "Pyrophoric liquid, inorganic, n.o.s."

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