Nickel(II) oxide

Synonyms

Black nickel oxide; Bunsenite; C.I. 77777; Green nickel oxide; Mononickel oxide; Nickel monoxide; Nickel oxide; Nickel oxide (NiO); Nickel oxide sinter 75; Nickel protoxide; Nickel(2+) oxide; Nickelous oxide; [ChemIDplus]

Category

Nickel Compounds, Inorganic

Description

Green solid, insoluble in water; [Merck Index]

Sources/Uses

Used in painting porcelain, electroplating, and glass coloring; Also used to make fuel cell electrodes, ferrites (e.g. NiOFe2O3), nickel salts, nickel catalysts, varistors, and propellant for automotive air bags; [HSDB] Found in the mineral bunsenite; Used in porcelain paint; [Merck Index]

Comments

May cause skin sensitization and asthma after prolonged contact; [ICSC] Danger of skin and airway sensitization; [MAK] Chronic inhalation exposures to nickel sulfides and nickel oxides were carcinogenic in the nickel refining industry. [IARC] See "Nickel oxide." See "Nickel" and linked occupational diseases.

Biomedical References

0.2 mg/m3, inhalable fraction, as Ni

1 mg/m3, as Ni

10 mg/m3, as Ni

Yes

Yes

Established

Human carcinogen

Confirmed Human

Diseases

Occupational diseases associated with exposure to this agent:

• Asthma, occupational
• Contact dermatitis, allergic

Processes

Industrial Processes with risk of exposure:

• Electroplating
• Glass Manufacturing
• Mining
• Painting (Pigments, Binders, and Biocides)
• Semiconductor Manufacturing