Nickel formate is the nickel salt of formic acid with the chemical formula Ni(HCOO)<sub>2</sub>.
Nickel formate can be obtained by reacting nickel(II) acetate or nickel(II) hydroxide with formic acid.
Nickel formate can also be synthesized by the reaction of sodium formate with nickel (II) sulphate.
As a dihydrate, nickel formate is a green, odorless, non-flammable solid that is sparingly soluble in water. The compound has a monoclinic crystal structure. The anhydride forms on careful heating at 130âÂÂ140 ðC. When heated in a vacuum to 300 ðC, pure nickel is formed:
Such fine powders are useful as hydrogenation catalysts.
Nickel formate is used in the production of nickel and other nickel compounds such as nickel catalysts.