[4] Cerium stearate is synthesized from the reaction of cerium oxide with stearic acid in an inert atmosphere at temperatures between 100 and 200 °C.
[5] It can also be obtained by the reaction of cerium nitrate and potassium stearate.
[6] The compound forms a white powder which is insoluble in water.
[citation needed] The compound is used in a variety of industrial and laboratory applications: 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.