Nickel sulfate

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A crystalline powder that is an opaque blue at room temperature but when heated slightly turns greenish. Nickel sulfate is used in electroplating baths. It is also used as a mordant in dyeing and printing.

Synonyms and Related Terms

nickel sulfate hexahydrate; hydrated nickel sulfate; hydrate nickel sulphate (Br.); nickelous sulfate; single nickel salts; blue salt


  • Toxic by inhalation and ingestion.
  • Skin contact can cause allergies.
  • Carcinogen.
  • IntegraChem: SDS

Physical and Chemical Properties

Soluble in water (pH = 4.5) and ethanol.

Composition NiSO4
CAS 7786-81-4
Melting Point 848 C (dec)
Density 2.031 g/ml
Molecular Weight mol. wt. = 154.8

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