Lanthanum stearate
From Wikipedia the free encyclopedia
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| Names | |
|---|---|
| Other names Lanthanum(III) stearate; lanthanum(3+) octadecanoate | |
| Identifiers | |
3D model (JSmol) | |
| EC Number |
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PubChem CID | |
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| 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[edit]
The compound forms a white powder that is soluble in benzene.[3]
Uses[edit]
Lanthanum stearate is mainly used as a nucleating agent for plastics degradation and heat stabilizer for PVC.[4][5]
References[edit]
- ^ 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.
- ^ 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. Bibcode:2021Mate...14.5821Z. doi:10.3390/ma14195821. PMC 8510417. PMID 34640222.
- ^ "Stearate". Romanian Journal of Physics. Editura Academiei Române: 520. 1995. Retrieved 3 March 2023.
- ^ 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.
- ^ "Lanthanum Stearate-BEYONDCHEM". beyondchem.com. Archived from the original on 19 August 2013. Retrieved 2 March 2023.