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Molecular formula: CoO
Molecular weight: 74.93
CAS NO.: 1307-96-6
Property:
As a kind of odorless and black powder, it is insoluble in water and ethanol but soluble in hot dense inorganic acid. Its comparative density is 6.45, and its melting point is (1795±20) ℃. It can easily be deoxidized into cobalt metal by carbon monoxide. At high temperature, it can react with silicon dioxide, alumina or zinc oxide into various kinds of pigments. As for storage, we need to put cobalt oxide in dry and ventilated place, preventing the rain and humidity.
Use:
Cobalt oxide can be used as oxidant, the material for making cobalt and cobalt salt without nickel, cobalt activator, pigments of oil paint, ceramic enamel, glass colorant and feedstuff additive. It is also applied in the area of electron, metallurgy industry, cemented-carbides and magnetic materials.
Specification:
| Chemicals | Content | Chemicals | Content |
| Cobalt | 72% min | Calcium | 0.07% max |
| Nickel | 0.05% max | Natrium | 0.07% max |
| Manganese | 0.05% max | Magnesium | 0.07% max |
| Copper | 0.02% max | Sulfur | 0.05% max |
| Zinc | 0.02% max | Iron | 0.08% max |
| Plumbum | 0.005% max | Grain size |
400 mesh (Pass rate: 99%) |
