Chemistry:Lanthanum stearate

Lanthanum stearate

Names
Other names Lanthanum(III) stearate; lanthanum(3+) octadecanoate
Identifiers
CAS Number	14741-67-4 Y
3D model (JSmol)	Interactive image
EC Number	238-806-1
PubChem CID	129650238
InChI InChI=1S/3C18H36O2.La/c3*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h3*2-17H2,1H3,(H,19,20); Key: YEPVBQTYBRSNRS-UHFFFAOYSA-N
SMILES CCCCCCCCCCCCCCCCCC(=O)O.CCCCCCCCCCCCCCCCCC(=O)O.CCCCCCCCCCCCCCCCCC(=O)O.[La]
Properties
Chemical formula	C54H108LaO6
Molar mass	992.3
Appearance	white powder
Density	g/cm3
Solubility in water	insoluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Lanthanum stearate is a metal-organic compound, a salt of lanthanum and stearic acid with the chemical formula C₅₄H₁₀₈LaO₆. The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid.

Physical properties

The compound forms a white powder that is soluble in benzene.

Uses

Lanthanum stearate is mainly used as a nucleating agent for plastics degradation and heat stabilizer for PVC.