Barium Sulfide

Name:
Barium Sulfide
Detailed information:

Chemistry name:	barium monosulfide; black ash
M Formula:	BaS
Properties:
Yellowish-green or gray powder or lumps. D 4.25. Soluble in water, decomposes to the hydrosulfide.
Derivation:
Barium sulfate (crude barite) and coal are roasted in a furnace. The melt is lixiviated with hot water, filtered, and evaporated.
Impurities:
Iron, arsenic.
Hazard:
See Barium.
Use:
Dehairing hides, flame retardant, luminous paints, barium salts, generating pure hydrogen sulfide.