Lanthanum stearate

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Lanthanum stearate
Names
Other names
Lanthanum(III) stearate; lanthanum(3+) octadecanoate
Identifiers
3D model (
JSmol
)
EC Number
  • 238-806-1
  • 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
  • CCCCCCCCCCCCCCCCCC(=O)O.CCCCCCCCCCCCCCCCCC(=O)O.CCCCCCCCCCCCCCCCCC(=O)O.[La]
Properties
C
54H
108LaO
6
Molar mass 992.3
Appearance white powder
Density g/cm3
insoluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Lanthanum stearate is a metal-organic compound, a salt of lanthanum and stearic acid with the chemical formula C
54H
108LaO
6.[1][2] 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.[3]

Uses

Lanthanum stearate is mainly used as a

heat stabilizer for PVC.[4][5]

References

  1. doi:10.1016/j.polymdegradstab.2009.01.024
    .
  2. PMID 34640222
    .
  3. ^ "Stearate". Romanian Journal of Physics. Editura Academiei Române: 520. 1995. Retrieved 3 March 2023.
  4. doi:10.1002/apj.305
    .
  5. ^ "Lanthanum Stearate-BEYONDCHEM". beyondchem.com. Archived from the original on 19 August 2013. Retrieved 2 March 2023.
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