Cerium stearate explained

Cerium stearate is a metal-organic compound, a salt of cerium and stearic acid with the chemical formula .^{[1] [2]} The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.^[3]

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.^[4]

Physical properties

The compound forms a white powder which is insoluble in water.

Uses

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.^[5]

Notes and References

1. Web site: Cerium Stearate-BEYONDCHEM . beyondchem.com . 3 March 2023.
2. Web site: Cerium Stearate . . 3 March 2023 . en.
3. Web site: CAS 14536-00-6 Cerium(3+)stearate - Alfa Chemistry . alfa-chemistry.com . 3 March 2023.
4. Marques . Eduardo F. . Burrows . Hugh D. . Miguel . Maria da Graca . The structure and thermal behaviour of some long chain cerium(III) carboxylates . . 1 January 1998 . 94 . 12 . 1729–1736 . 10.1039/A800326B . 7 March 2023 . en . 1364-5455.
5. Web site: Buy Cerium stearate - 10119-53-6 BenchChem . .benchchem.com . 3 March 2023.