CAS Number: 10361-37-2 (Anhydrous) 10326-27-9 (Dihydrate)

EC Number: 233-788-1 (Anhydrous) 233-788-1 (Dihydrate)

Molar mass: 208.23 g/mol (Anhydrous) 244.26 g/mol (Dihydrate)

Density: 3.856 g/cm³ (Anhydrous) 3.1 g/cm³ (Dihydrate)

Melting point: 962°C (1764°F) (Anhydrous) Dihydrate decomposes at 113°C (235°F) losing water to form anhydrous barium chloride (Dihydrate)

Boiling point: 1560°C (2840°F) (Anhydrous) Dihydrate decomposes before reaching a boiling point (Dihydrate)