Title: Ferrous Selenide
CAS Registry Number: 1310-32-3
Molecular Formula: FeSe
Molecular Weight: 134.81
Percent Composition: Fe 41.42%, Se 58.57%
Literature References: Prepn from the elements: Gronvold, Westrum, Acta Chem. Scand. 13, 241 (1959).
Properties: Black mass with metallic luster. Stable in air. Dec when heated in O2. d 6.78. Practically insol in water. Sol in HCl with the evolution of H2Se.
Density: d 6.78
Use: In electrical semiconductors.