Title: Selenium Tetrachloride
CAS Registry Number: 10026-03-6
Molecular Formula: Cl4Se
Molecular Weight: 220.77
Percent Composition: Cl 64.24%, Se 35.77%
Line Formula: SeCl4
Literature References: Prepd by the action of an excess of chlorine on selenium: Berzelius, cited in Mellor's vol X, 898 (1930); by the action of thionyl chloride or phosphorus trichloride on selenium oxychloride and by the action of phosphorus pentachloride on selenium oxide: Michaelis, Z. Chem. [2] 6, 460 (1870); by the action of anhydr selenic acid on acetyl chloride at 0°: Lamb, Am. Chem. J. 30, 209 (1903). Crystal structure: Shoemaker, Abrahams, Acta Crystallogr. 18, 296 (1965).
Properties: White to pale yellow crystals. d 2.6. Sublimes when heated. Dec in water and moist air. Insol in liquid bromine. Dec by dry ammonia.
Density: d 2.6 |