Calcium Sulfate

Alabaster; Anhydrous Sulfate of Lime; Artificial Dental Stone; Calcium Sulfate (1:1), Dihydrate; Calcium Sulfate (1:1), Hemihydrate; Calcium Sulfate (2:1); Calcium Sulfate, Anhydrous; Calcium Sulfate, Dihydrate; Calcium Sulfate, Hemihydrate
A calcium salt that is used for a variety of purposes including: building materials, as a desiccant, in dentistry as an impression material, cast, or die, and in medicine for immobilizing casts and as a tablet excipient. It exists in various forms and states of hydration. Plaster of Paris is a mixture of powdered and heat-treated gypsum.