Calcium Sulfide


calcium sulfide

[′kal·se·əm ′səl‚fīd] (inorganic chemistry) CaS In pure form, white cubic crystals, slightly soluble in water; used as a base for luminescent materials. Also known as hepar calcies; sulfurated lime.

Calcium Sulfide

 

CaS, a salt; colorless crystals with a density of 2.58 g/cm3 and a melting point of 2000°C. Calcium sulfide is obtained by the calcination of CaSO4 with charcoal. It is used in the preparation of luminophors and in the tanning industry for the removal of hair from hides. Calcium hydrosulfide Ca(SH) 2 is used in the production of synthetic fibers.