Nickel(II) sulfate hexahydrate

Synonyms

Nickel monosulfate hexahydrate; Nickel sulfate hexahydrate; Nickel sulphate hexahydrate; Nickel(2+) sulfate hexahydrate; Nickel(II) sulfate hexahydrate; Nickelous sulfate hexahydrate; Sulfuric acid, nickel(2+) salt, hexahydrate; [ChemIDplus] NA8027

Category

Nickel Compounds, Inorganic

Description

Blue to emerald-green crystals that are water soluble; [CAMEO]

Sources/Uses

Used in nickel plating as a mordant in dyeing and to make catalysts and other nickel compounds; [Merck Index] Mainly used as an electrolyte in nickel plating baths; [Ullmann]

Comments

Reported health effects include contact dermatitis, asthma, GI irritation, liver and kidney damage, and pneumonitis. [CAMEO] Chronic inhalation studies of rats and mice show pulmonary inflammation; [ACGIH] See"Nickel" and linked occupational diseases.

Biomedical References

0.1 mg/m3, inhalable fraction, as Ni

1 mg/m3, as Ni

10 mg/m3, as Ni

Explanatory Notes

mp = 127.9 deg F; bp = 1544 deg F (decomposes); VP = 0 (essentially) at 68 deg F; [CAMEO] The bright yellow anhydrous salt NiSO4 is obtained when the hydrated compound is heated above 330 deg C; [Ullmann]

Yes

Yes

Yes

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Diseases

Occupational diseases associated with exposure to this agent:

• Asthma, occupational
• Contact dermatitis, allergic

Processes

Industrial Processes with risk of exposure:

• Electroplating
• Textiles (Printing, Dyeing, or Finishing)