Formula: CaSO4CaSO 4

​CAS Number: 7778-18-9

EC Number: 231-900-3

Molar mass: 136.14 g/mol

Density: 2.96 g/cm³ (anhydrous), 2.32 g/cm³ (dihydrate)

Melting point: Decomposes before reaching a specific melting point (anhydrous), dihydrate begins to lose water around 128°C (262°F)

Boiling point: Decomposes before reaching a specific boiling point.