Cerium stearate is a metal-organic compound with the approximate chemical formula . The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.
Synthesis Cerium stearate is synthesized from the reaction of cerium oxide with stearic acid in an inert atmosphere at temperatures between 100 and 200 °C. It can also be obtained by the reaction of cerium nitrate and potassium stearate. Physical properties The compound forms a white powder which is insoluble in water.
Uses The compound, which is a metallic soap, is used as a lubricant, antioxidant, and antifoaming agent. Other uses include as a catalyst in the synthesis of polymers and as a stabilizer in the production of plastics.
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