Title: Silicon Tetrabromide
CAS Registry Number: 7789-66-4
Additional Names: Silicon bromide
Molecular Formula: Br4Si
Molecular Weight: 347.70
Percent Composition: Br 91.92%, Si 8.08%
Line Formula: SiBr4
Literature 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.
Melting point: mp 5°
Boiling point: bp 153°
Density: d 2.8 |