8499. Silicon Tetrabromide

Nomenclature

CAS number: 7789-66-4
Silicon bromide.
Br4Si; mol wt 347.70.
Br 91.92%, Si 8.08%.
SiBr4.

Description and references

Prepd from the elements: Gattermann, Ber. 22, 189 (1889).

Properties

Colorless, fuming liq; disagreeable odor; becomes yellow on exposure to air. d 2.8. Solidif -12°; mp 5°; bp 153°. Dec by water into silicic acid and HBr with great evolution of heat. Reacts violently with metallic potassium.