CompTox Dashboard (EPA)
|Molar mass||165.39 g/mol|
|Appearance||black-dark gray solid|
|Melting point||600 °C (1,112 °F; 873 K) (decomposes)|
|NFPA 704 (fire diamond)|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|(what is ?)|
Nickel(III) oxide is the inorganic compound with the formula Ni2O3. It is not well characterized, and is sometimes referred to as black nickel oxide. Traces of Ni2O3 on nickel surfaces have been mentioned.