It is used as a paint desiccant, dry ammonia absorber, neutral dye, indicator, ceramic dye, feed additive, etc.
| Chemical composition | Assay (%) | Test Result(%) | |
| Co | ≥% | 24 | 24.3 |
| Ni | ≤% | 0.2 | 0.1 |
| Mn | ≤% | 0.05 | 0.03 |
| Cu | ≤% | 0.01 | 0.008 |
| Mn | ≤% | 0.05 | 0.02 |
| No3 | ≤% | 0.2 | 0.1 |
| SO4 | ≤% | 0.2 | 0.15 |
| Fe | ≤% | 0.003 | 0.001 |
| Substances not dissolved in water | ≤% | 0.02 | 0.01 |
| CAS number | 7791-13-1 |
| HS number | 2827393000 |
| Molecular formula | CoCl2· 6H2O |
| Properties | Red or purple crystals. Soluble in water, soluble in ethanol, acetone and ether. |
| Application | Used as a paint desiccating agent, dry ammonia absorber, neutral dyes, indicator, ceramic colorants, feed additive, etc. |
| Package | Packed by drum, 25 kg per bag, |