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Lead(II) laurate

Lead(II) laurate
Names
Other names
Lead(II) dodecanoate
Identifiers
3D model (JSmol)
ECHA InfoCard 100.036.230 Edit this at Wikidata
EC Number
  • 239-869-8
  • InChI=1S/2C12H24O2.Pb/c2*1-2-3-4-5-6-7-8-9-10-11-12(13)14;/h2*2-11H2,1H3,(H,13,14);/q;;+2/p-2
    Key: YDKNIVGNQVFYPR-UHFFFAOYSA-L
  • CCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCC(=O)[O-].[Pb+2]
Properties
Pb(C
11H
23COO)
2[1]
Molar mass 606
Appearance White solid
Melting point 104.7 °C (220.5 °F; 377.8 K)
Insoluble
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Lead(II) laurate is an metal-organic compound with the chemical formula Pb(O2C(CH2)10CH3)2. It is classified as a metallic soap, i.e. a metal derivative of a fatty acid. Like most soaps, it does not dissolve in water.[2][3] Lead soaps have been used as stabilizers and plasticizers in PVC.[4]

Preparation

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Lead soaps are usually prepared by combining lead(II) oxide with molten fatty acid. An idealized equation is:

PbO + RCO2H → Pb(O2CR)2 + H2O

In reality, lead soaps have complex formulas.

References

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  1. ^ Substances, United States Environmental Protection Agency Office of Toxic (May 1979). Toxic Substances Control Act. U.S. Government Printing Office. p. Volume III, p. 861. Retrieved 23 January 2023.
  2. ^ Official Gazette of the United States Patent and Trademark Office: Patents. U.S. Department of Commerce, Patent and Trademark Office. 1985. p. 1839. Retrieved 23 January 2023.
  3. ^ Official Gazette of the United States Patent Office. The Office. 1967. p. 310. Retrieved 23 January 2023.
  4. ^ Nora, Angelo; Szczepanek, Alfred; Koenen, Gunther (2001). "Metallic Soaps". Ullmann's Encyclopedia of Industrial Chemistry. doi:10.1002/14356007.a16_361. ISBN 3527306730.
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