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).

Infobox references

Tracking categories (test):

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Lanthanum stearate is a metal-organic compound, a salt of lanthanum and stearic acid with the chemical formula C54H108LaO6.[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 nucleating agent for plastics degradation and heat stabilizer for PVC.[4][5]

## References

1. ↑ Fang, Long; Song, Yihu; Zhu, Xiaonan; Zheng, Qiang (May 2009). "Influence of lanthanum stearate as a co-stabilizer on stabilization efficiency of calcium/zinc stabilizers to polyvinyl chloride". Polymer Degradation and Stability 94 (5): 845–850. doi:10.1016/j.polymdegradstab.2009.01.024.
2. ↑ Zhang, Yewei; Zhang, Qing; Peng, Yuxing; Wang, Chen; Chang, Xiangdong; Chen, Guoan (5 October 2021). "Preparation and Tribological Properties of Lanthanum Stearate Modified Lubricating Oil for Wire Rope in a Mine Hoist". Materials 14 (19): 5821. doi:10.3390/ma14195821. PMID 34640222. Bibcode: 2021Mate...14.5821Z.
3. ↑ "Stearate" (in en). Romanian Journal of Physics (Editura Academiei Române): 520. 1995. https://books.google.com/books?id=M3iFAAAAIAAJ&q=lanthanum+stearate. Retrieved 3 March 2023.
4. ↑ Guo, Xiaojing; Zhao, Shicheng; Xin, Zhong (September 2009). "Influence of lanthanum stearate on the crystallization behavior of isotactic polypropylene". Asia-Pacific Journal of Chemical Engineering 4 (5): 628–634. doi:10.1002/apj.305.
5. ↑ "Lanthanum Stearate-BEYONDCHEM". beyondchem.com. https://www.https/.

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* t
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Lanthanum compounds

* LaB6
* LaBr3
* LaC2
* LaCl3
* La2(CO3)3
* LaH10
* LaF3
* La2O3
* La(OH)3

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