1. Molecular formula: NiSO4*6H2O
2. Molecular weight: 262.86
3. Facies: Green granular crystal

4. Elements standard(%): Ni 22%
Co 0.02%, Fe 0.002%, Cu 0.002%, Pb 0.001%, Zn 0.003%, Ca 0.02%,
Mg 0.015%, Insoluble matter 0.02%, NH3 0.03%, Cl 0.1%

Properties:
It is easily solube in water, slightly solube in acide and aqueous solution is acidic.
 
Applications:

Mainly used in electroplating, nickel-cadmium battery, organic catalyst in painting production.
It's the raw material of nickel salt for color additives of reduction dye.