Composition: Calcium Sulfate Hemihydrate 100% CAS Number: 10034-76-1 Density: 2.3 Chemical Formula: CaSO4.1/2H2O Molecular Weight: 154.16 g/mol Color: Colorless/white solid Physical State: Solid Solubility Information: Insoluble Synonyms: Plaster of Paris Shelf Life: 243 Months …