8500. Silicon Tetrachloride

Nomenclature

CAS number: 10026-04-7
Silicon chloride.
Cl4Si; mol wt 169.90.
Cl 83.47%, Si 16.53%.
SiCl4.

Description and references

Prepd from the elements: Schenk in Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) pp 682-683.

Properties

Colorless, clear, mobile, fuming liq; suffocating odor. d40 1.52. mp -70°; bp 59°. Corrosive. Dec by water with much heat into silicic acid and HCl. Miscible with benzene, ether, chloroform, petr ether.

Caution

May be irritating to eyes, respiratory tract.

Use

Producing smoke screens in warfare. In the prepn of pure silicon.