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Nickel(III) oxide

Summary

Nickel (III) oxide is the inorganic compound with the formula Ni2O3. It is not well characterized,[1] and is sometimes referred to as black nickel oxide. Traces of Ni2O3 on nickel surfaces have been mentioned.[2][3]

Nickel (III) oxide
Nickel (III) oxide powder
Names
IUPAC name
Nickel (III) oxide
Other names
Nickel sesquioxide,
nickel trioxide
Identifiers
  • 1314-06-3 checkY
ECHA InfoCard 100.013.835 Edit this at Wikidata
EC Number
  • 215-217-8
  • 10313272
RTECS number
  • QR8420000
UNII
  • 07BD7540U5 checkY
  • DTXSID60893854 Edit this at Wikidata
Properties
Ni2O3
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)
negligible
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
2
0
0
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 has been studied theoretically since the early thirties,[4] supporting its unstable nature at standard temperatures. A nanostructured pure phase of the material was synthesized and stabilized for the first time in 2015 from the reaction of nickel(II) nitrate with sodium hypochlorite and characterized using powder X-ray diffraction and electron microscopy.[5]

References edit

  1. ^ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 978-0-08-037941-8.
  2. ^ Aggarwal, P. S.; Goswami, A. (1961). "An oxide of tervalent nickel". The Journal of Physical Chemistry. 65 (11): 2105. doi:10.1021/j100828a503. ISSN 0022-3654.
  3. ^ Kang, Jin-Kyu; Rhee, Shi-Woo (2001). "Chemical vapor deposition of nickel oxide films from Ni(C5H5)2/O2". Thin Solid Films. 391 (1): 57–61. Bibcode:2001TSF...391...57K. doi:10.1016/S0040-6090(01)00962-2.
  4. ^ Cairns, R. W.; Ott, Emil (February 1933). "X-Ray Studies of the System Nickel—Oxygen—Water. I. Nickelous Oxide and Hydroxide 1". Journal of the American Chemical Society. 55 (2): 527–533. doi:10.1021/ja01329a013. ISSN 0002-7863.
  5. ^ Dey, Sayan; Bhattacharjee, Swarupananda; Chaudhuri, Mahua Ghosh; Bose, Raj Shekhar; Halder, Suman; Ghosh, Chandan Kr (2015-06-18). "Synthesis of pure nickel(III) oxide nanoparticles at room temperature for Cr(VI) ion removal". RSC Advances. 5 (67): 54717–54726. Bibcode:2015RSCAd...554717D. doi:10.1039/C5RA05810D. ISSN 2046-2069.