Formula: CaCl2CaCl2

​CAS Number: 10043-52-4 (anhydrous), 10035-04-8 (dihydrate)

EC Number: 233-140-8 (anhydrous), 233-140-8 (dihydrate)

Molar mass: 110.98 g/mol (anhydrous), 147.01 g/mol (dihydrate)

Density: 2.15 g/cm³ (anhydrous), 1.85 g/cm³ (dihydrate)

Melting point: 772°C (1422°F) (anhydrous), 176°C (349°F) (dihydrate)

Boiling point: 1935°C (3515°F) (anhydrous), dehydrates before boiling (dihydrate)