Appearance Green Solid | Classification Volatile organic compound | |
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Nickel(II) acetate is the name for chemical compound with the formula Ni(CH3CO2)2·2 H2O or Ni(CH3COO)2·2 H2O also abbreviated Ni(OAc)2·2 H2O. The green tetrahydrate Ni(CH3COO)2·4 H2O is more common. It is used for electroplating.
Contents
Synthesis and structure
The compound can be prepared by treating nickel or nickel(II) carbonate with acetic acid:
NiCO3 + 2 CH3CO2H + 3 H2O → Ni(CH3CO2)2·4 H2O + CO2The green tetrahydrate has been shown by X-ray crystallography to adopt an octahedral structure, the central nickel centre being coordinated by four water molecules and two acetate ligands. It may be dehydrated in vacuo, by reaction with acetic anhydride, or by heat.
Safety
Nickel salts are carcinogenic and irritate the skin.
References
Nickel(II) acetate Wikipedia(Text) CC BY-SA