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Cerium stearate
Names
	Other names cerium(3+) octadecanoate, cerous stearate, cerium tristearate
Identifiers
CAS Number	14536-00-6 ;
3D model (JSmol)	Interactive image;
ChemSpider	145318;
ECHA InfoCard	100.035.048
EC Number	233-324-8;
PubChem CID	165821;
UNII	4S541N00JC;
CompTox Dashboard (EPA)	1064954;
	InChI InChI=1S/3C18H36O2.Ce/c31-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h32-17H2,1H3,(H,19,20);/q;;;+3/p-3 Key: BTVVNGIPFPKDHO-UHFFFAOYSA-K;
	SMILES CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Ce+3];
Properties
Chemical formula	C; 54H; 105CeO; 6
Molar mass	989.69
Appearance	white powder
Density	g/cm3
Melting point	120 °C (248 °F; 393 K)
Solubility in water	insoluble
Hazards
	GHS labelling:
Precautionary statements	P262, P280, P304+P340, P305+P351+P338, P403+P233, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Cerium stearate is a metal-organic compound, a salt of cerium and stearic acid with the chemical formula C
₅₄H
₁₀₅CeO
₆.^[2]^[3] The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.^[4]

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.^[5] It can also be obtained by the reaction of cerium nitrate and potassium stearate.^[6]

Physical properties

The compound forms a white powder which is insoluble in water.^{[citation needed]}

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]

References

^ "NCATS Inxight Drugs — CEROUS STEARATE". drugs.ncats.io. Retrieved 3 March 2023.
^ "Cerium Stearate-BEYONDCHEM". beyondchem.com. Retrieved 3 March 2023.
^ "Cerium Stearate". American Elements. Retrieved 3 March 2023.
^ "CAS 14536-00-6 Cerium(3+)stearate - Alfa Chemistry". alfa-chemistry.com. Retrieved 3 March 2023.
^ ^a ^b "Buy Cerium stearate - 10119-53-6 | BenchChem". .benchchem.com. Retrieved 3 March 2023.
^ Marques, Eduardo F.; Burrows, Hugh D.; Miguel, Maria da Graca (1 January 1998). "The structure and thermal behaviour of some long chain cerium(III) carboxylates". Journal of the Chemical Society, Faraday Transactions. 94 (12): 1729–1736. doi:10.1039/A800326B. ISSN 1364-5455. Retrieved 7 March 2023.

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[1] "NCATS Inxight Drugs — CEROUS STEARATE". drugs.ncats.io. Retrieved 3 March 2023.

[2] "Cerium Stearate-BEYONDCHEM". beyondchem.com. Retrieved 3 March 2023.

[3] "Cerium Stearate". American Elements. Retrieved 3 March 2023.

[4] "CAS 14536-00-6 Cerium(3+)stearate - Alfa Chemistry". alfa-chemistry.com. Retrieved 3 March 2023.

[BC-5] "Buy Cerium stearate - 10119-53-6 | BenchChem". .benchchem.com. Retrieved 3 March 2023.

[6] Marques, Eduardo F.; Burrows, Hugh D.; Miguel, Maria da Graca (1 January 1998). "The structure and thermal behaviour of some long chain cerium(III) carboxylates". Journal of the Chemical Society, Faraday Transactions. 94 (12): 1729–1736. doi:10.1039/A800326B. ISSN 1364-5455. Retrieved 7 March 2023.

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