Cobalt II Nitrate Formula

Cobalt (II) Nitrate is a pale red powder colour crystalline compound. It is an odourless chemical that sinks and mixes with water. Cobalt (II) Nitrate is a nitrate salt in which the metal cobalt is seen in +2 oxidation state and the anion is nitrate. The other names of cobalt (II) are cobaltous nitrate, nitric acid, cobalt(2+) salt. Let us know more about the chemical composition of Cobalt (II) Nitrate.

Chemical formula Co(NO3)2 or CoN2O6
Molecular weight 182.941 g/mol (anhydrous)

291.03 g/mol (hexahydrate)

Density 2.49 g/cm3 (anhydrous)

1.87 g/cm3 (hexahydrate)

Melting point 100 °C (anhydrous)

55 °C (hexahydrate)

Boiling point 100 to 105 °C (anhydrous)

74 °C (hexahydrate)

Cobalt (II) Nitrate Structural Formula

Here is the typical structural representation of Cobalt II Nitrate.

Cobalt (II) Nitrate Structural Formula

Anhydrous cobalt(II) nitrate utilizes a three-dimensional polymeric network structure, where each cobalt atom is octahedrally connected to 6 oxygen atoms.

Use Of Cobalt (II) Nitrate

  • Used in the synthesis of ink and dyes.
  • It is used to reduce the high purity cobalt.


For more understanding of the concept refer to BYJU’S!!


Leave a Comment

Your Mobile number and Email id will not be published.