Title: Magnesium Selenide

CAS Registry Number: 1313-04-8

Molecular Formula: MgSe

Molecular Weight: 103.27

Percent Composition: Mg 23.54%, Se 76.46%

Literature References: Prepd by the action of hydrogen selenide on anhydr magnesium chloride at a red heat and by the action of selenium vapor carried in a current of nitrogen on powdered magnesium: Fonzes-Diacon, Contribution a l'Etude des Séléniures Métalliques (Montpellier, 1901); by dropping selenium into molten magnesium: Liddell, Chem. Metall. Eng. 25, 102, 263, 453 (1921).

Properties: Light brown powder. d 4.21. Unstable in air. Dec in water.

Density: d 4.21