Nickel(II) nitrate hexahydrate is the inorganic compound Ni(NO₃)₂.6H₂O .It is green powder which is used as a selective oxidation catalyst for low molecular weight alkanes.
Nickel(II) nitrate hexahydrate (Ni(NO3)2.6H2O) is a hydrated nickel(II) salt. Its thermal degradation has been investigated by thermogravimetric methods under quasi-isothermal conditions.