Name: Nickel Sulfate Hexahydrate

English name: nickel sulfate, hexahydrate, retgersite

Other names: nickel sulfate, hexahydrate; nickel sulfate (II) hexahydrate; nickel sulfate (II) hexahydrate

Chemical formula: NiSO4·6(H2O)

Molecular weight: 262.85

CAS Registry Number: 10101-97-0

EINECS accession number: 231-111-4

Melting point: 53°C

Boiling point: 2732℃(lit.)

Water solubility: 625 g/L (20℃)

Closeness: 2.07 g/cm3

External view: green crystal, square crystal system

Role and use

1. Mainly used in the electroplating industry. It is the main nickel salt for electroplating nickel and chemical nickel, and is also the source of metal nickel ions. It can dissociate nickel ions and sulfate ions during the electroplating process.

2. In the production of hardened oil, it is a catalyst for oil hydrogenation.

3. Used in the pharmaceutical industry as a catalyst for the oxidation reaction of vitamin C.

4. In the inorganic industry, it is used as the main raw material for the production of other nickel salts such as nickel ammonium sulfate, nickel oxide, and nickel carbonate.

5. It is used in the printing and dyeing industry to produce phthalocyanine blue complexing agent, which is used as a coal dyeing agent for vat dyes. In addition, it can also be used to produce nickel-cadmium batteries.