Cobalt(II) carbonate (CoCO3)-Powder introduce:
Cobalt(II) carbonate is the inorganic compound with the formula CoCO3. This reddish paramagnetic solid is an intermediate in the hydrometallurgical purification of cobalt from its ores. It is an inorganic pigment, and a precursor to catalysts. Cobalt(II) carbonate also occurs as the rare red/pink mineral spherocobaltite
Molar mass:118.941 g/mol
Appearance:red/ pink crystals (anhydrous);pink, violet, red crystalline powder (hexahydrate)
Melting point:427 °C (801 °F; 700 K) ;decomposes before melting to cobalt(II) oxide (anhydrous);140 °C (284 °F; 413 K)
Solubility in water:Cobalt (II) Carbonate is insoluble in distilled water.
Solubility product (Ksp):1.0·10−10
Solubility:soluble in acid;negligible in alcohol, methyl acetate
insoluble in ethanol
Refractive index (nD):1.855
Crystal structure:Rhombohedral (anhydrous);Trigonal (hexahydrate)
Cobalt(II) carbonate is a precursor to cobalt carbonyl, cobalt salts and blue pottery glazes such as delftware. It is used as an essential element in dietary supplements and is also used in the manufacture of paints and pigments.
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