| M Formula: | 2CoCO3•3Co(OH)2•H2O |
| Properties: | |
| Red-violet crystals. Mp (decomposes). Soluble in acids; insoluble in cold water; decomposes in hot water. | |
| Derivation: | |
| By adding sodium carbonate to a solution of cobaltous acetate followed by filtration and drying. | |
| Use: | |
| Manufacturing cobaltous oxide, cobalt pigments, cobalt salts; intermediate. | |