Nickel(III) oxide

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Nickel(III) oxide
Nickel (III) oxide powder
IUPAC name
Nickel (III) oxide
Other names
Nickel sesquioxide,
nickel trioxide
1314-06-3 YesY
ECHA InfoCard 100.013.835
EC Number 215-217-8
PubChem 10313272
RTECS number QR8420000
Molar mass 165.39 g/mol
Appearance black-dark gray solid
Density 4.84 g/cm3
Melting point 600 °C (1,112 °F; 873 K) (decomposes)
NFPA 704
Flammability code 0: Will not burn. E.g., water Health code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g., chloroform Reactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogen Special hazards (white): no codeNFPA 704 four-colored diamond
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Nickel(III) oxide is the inorganic compound with the formula Ni2O3. It is not a well characterised,[1] sometimes referred to as black nickel oxide. Traces of Ni2O3 on nickel surfaces have been mentioned.[2][3] A related, better characterized material is nickel oxide hydroxide (NiOOH), which is likely the reagent employed in organic synthesis since it is generated in aqueous media.


  1. ^ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 0-08-037941-9. 
  2. ^ An oxide of tervalent nickel , P. S. Aggarwal, A. Goswami, J. Phys. Chem.; 1961; 65(11); 2105-2105, doi:10.1021/j100828a503
  3. ^ Chemical vapor deposition of nickel oxide films from Ni(C5H5)2/O2, Jin-Kyu Kang, Shi-Woo Rhee, Thin Solid Films, 391, 1, (2001),57-61, doi:10.1016/S0040-6090(01)00962-2