Title: Phosphorus Triselenide
CAS Registry Number: 1314-86-9
Additional Names: Tetraphosphorus triselenide
Molecular Formula: P4Se3
Molecular Weight: 360.78
Percent Composition: P 34.34%, Se 65.66%
Literature References: Prepn: Meyer, Z. Anorg. Chem. 30, 258 (1902); 61B, 1807 (1928); Irgolic et al., Inorg. Chem. 4, 1421 (1965).
Properties: Orange-red crystals. Irritating odor. mp 245-246°. d 1.31. bp 360-400°. Phosphoresces at 160°. Flammable when heated in air. Dec in moist air. Sol in carbon tetrachloride, carbon disulfide, chloroform, benzene, toluene, acetone, acetylene dichloride, acetylene trichloride.
Melting point: mp 245-246°
Boiling point: bp 360-400°
Density: d 1.31 |