8437. Selenium Tetrabromide

Nomenclature

CAS number: 7789-65-3
Br4Se; mol wt 398.58.
Br 80.19%, Se 19.81%.
SeBr4.

Description and references

Prepd by adding excessive bromine to selenium: Schneider, Pogg. Ann. 128, 327 (1866); 129, 450, 634 (1866); by dissolving selenium dioxide in hydrobromic acid: Muthmann, Sch"afer, Ber. 26, 1008 (1893).

Properties

Red-brown, cryst powder. Unpleasant odor. Dec 70-80°. Dec in moist air and water. Sol in carbon disulfide, chloroform, ethyl bromide.