(1) Formula : NiSO46H2O
(2) Molecular Weight : 262.9 g mol-1
(3) Color/Form : Green / Crystal
(4) Density, kg/dm3 : 2.07 (@ 25℃)
(5) Melting Point : 53℃
(6) Soluble in water, acid and alcohol
►Nickel Sulphate Hexahydrate (Type I) Typical Values :
| Item | Specification | Typical |
| Ni | 22.3 +/- 0.2% | >22.3% |
| Co | 250 PPM Max | 10 PPM |
| Mn | 10 PPM Max | 1 PPM |
| Na | 10 PPM Max | 0.5 PPM |
| Fe | 5 PPM Max | 1 PPM |
| Cu | 5 PPM Max | <0.1 PPM |
| Ca | 10 PPM Max | <0.1 PPM |
| Mg | 10 PPM Max | <0.1 PPM |
| Zn | 5 PPM Max | <0.1 PPM |
| Pb | 10 PPM Max | <0.1 PPM |
| Cr | 10 PPM | 0.5 PPM |
| Insol. | 30 PPM | <10 PPM |