Nickel(II) stearate is a metal-organic compound, a salt of nickel and stearic acid with the chemical formula . The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid. The compound is harmful if swallowed and may cause skin sensitization. Synthesis An exchange reaction of sodium stearate and nickel dichloride: Physical properties Nickel(II) stearate forms a green powder. The compound is insoluble in water, methanol, ethanol, or ether, soluble in carbon tetrachloride and pyridine, slightly soluble in acetone. Uses The compound is used as a lubricant and in various industrial applications. References Stearates Nickel compounds