Cobalt Nitrate Hexahydrate (Co(NO3)2•6H2O)-Powder

Characteristic




Cobalt Nitrate is the Inorganic compound with the formula Co(NO3)2.xH2O. It is cobalt(II) salt. The most common form is the hexahydrate Co(NO3)2·6H2O, which is a red-brown deliquescent salt that is soluble in water and other polar solvents.




Chemical formula：Co(NO3)2

Molar mass：182.943 g/mol (anhydrous)    291.03 g/mol (hexahydrate)

Appearance：pale red powder (anhydrous)     red crystalline (hexahydrate)

Odor：odorless (hexahydrate)

Density：2.49 g/cm3 (anhydrous)     1.87 g/cm3 (hexahydrate)

Melting point：100 °C (212 °F; 373 K) decomposes (anhydrous)    55 °C (hexahydrate)

Boiling point：100 to 105 °C (212 to 221 °F; 373 to 378 K) decomposes (anhydrous)   74 °C, decomposes (hexahydrate)

Solubility in water：anhydrous: 84.03 g/100 mL (0 °C)    334.9 g/100 mL (90 °C)

Solubility：soluble in alcohol, acetone, ethanol, ammonia (hexahydrate), methanol 2.1 g/100 mL

Coordination geometry：monoclinic (hexahydrate)







Application




It is commonly reduced to metallic high purity cobalt. It can be absorbed on to various catalyst supports for use in Fischer-Tropsch catalysis. It is used in the preparation of dyes and inks.