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Product Physical Characteristics

Copper sulphate crystallizes as pentahydrate in the form of blue triclinic crystals. Its slowly effloresces in dry air at 29C and will lose two moles of water to yield the trihydrate. Two additional moles of water will be removed by heating to 110C and will become anhydrous at 250C. The anhydrous copper sulphate, CuSO4, is off-white orthorhombic crystal.

The specific gravity of copper sulphate pentahydrate is 2.28g/cm3. 

The copper sulphatepentahydrate is very soluble in water (about 22g in 100ml of water at 0C, 120g in 100ml at 100C), soluble in methanol and glycerol and slighty soluble in ethanol.