Title: Arsenic Hemiselenide

CAS Registry Number: 1303-35-1

Molecular Formula: As2Se

Molecular Weight: 228.80

Percent Composition: As 65.49%, Se 34.51%

Literature References: Prepd by melting arsenic and selenium in the correct proportions in a sealed tube filled with nitrogen: Szarvasy, Ber. 28, 2654 (1895); 30, 1244 (1897); Gmelins, Arsenic (8th ed.) 17, p 462 (1952).

Properties: Black crystals with a metallic luster. Insol in the usual organic and inorganic solvents. Dec in boil. alkali hydroxide solns; slowly decompd by concd hydrochloric and sulfuric acids.

Use: Manuf of glass.

 

 

Status: This monograph has been retired and is no longer subject to revision or update.