CAS Number: 17194-00-2 (anhydrous), 12230-71-6 (octahydrate)

EC Number: 241-234-5 (anhydrous), 241-209-7 (octahydrate)

Molar mass: 171.34 g/mol (anhydrous), 315.46 g/mol (octahydrate)

Density: 4.5 g/cm³ (anhydrous), 2.18 g/cm³ (octahydrate)

Melting point: 407°C (anhydrous), decomposes upon heating (octahydrate)

Boiling point: Decomposes before boiling, so it does not have a standard boiling point.