Nomenclature
CAS number: 1303-35-1
As
2Se; mol wt 228.80.
As 65.49%, Se 34.51%.
Description and 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.