Nickel acetate is a chemical compound with the formula Ni(C2H3O2)2. It appears as a greenish crystalline solid and is commonly used in various industrial applications, including as a catalyst in chemical reactions and in the production of nickel-based coatings. This compound is soluble in water and can be produced by reacting nickel oxide or nickel carbonate with acetic acid. Nickel acetate is also used in laboratories for research purposes and in the synthesis of other nickel compounds. Proper handling is essential, as it can be hazardous if ingested or inhaled.