- Cobalt sulfate heptahydrate is an inorganic compound in solid form, with a rose pink to orange color.
- It appears as red monoclinic crystals that liquefy around 100⁰C and become anhydrous at 250⁰C. It is soluble in water, slightly soluble in ethanol, and particularly soluble in methanol.
- It is an important pigment substance in the ceramics industry, in glaze and enamel processes. It is used to prevent discoloration.
- It is used as a micro-nutrient supplement in the manufacture of feed additives.
- In nickel plating baths, it is used to make the deposited substance bright, smooth, and even, while also providing elasticity.
- It is used in the production of evaporation materials in the manufacture of solar cells and fuel cell storage.
- It is used as a drying agent in the production of lithographic ink by manufacturing firms.
- It is used in the manufacture of various cobalt salts.
- It is used in the manufacture of accumulators.
- It is used in the manufacture of porcelain and glass.
COBALT SULFATE HEPTAHYDRATE PRODUCT ANALYSES
| TESTS | LIMITS |
|---|---|
| Appearance | Red brown crystal |
| pH (10% solution) | 4.5 – 5.1 |
| CoSO4·7H2O | min. % 98 |
| Cobalt (Co) | min. % 21 |
| Water Solubility | 376 g/L |

