Molecular Formula: CoSO4 . 7H2O
Molecular Weight: 281.10
Facies: brown yellow or red crystal
Specifications:
| Elements | Standard(%) |
| Co | 20 min |
| Ni | 0.005 max |
| Cu | 0.001 max |
| Fe | 0.001 max |
| Mn | 0.001 max |
| Zn | 0.001 max |
| Ca | 0.003 max |
| Mg | 0.005 max |
| Pb | 0.002 max |
| Insoluble matter | 2 max |
Properties: easy to dissolve into the water and methanol, slight soluble into the ethanol; when heated at 420 C it will lose its crystallization water.
Applications: widely used paint drier in dye industry, glaze in ceramic industry, dye in chemical industry, addictives in battery industry and raw materials in manufacturing Cobalt Sales and battery industry.
Packing: 25 KG compound woven bag.