Lead stearate is a metal-organic compound, a salt of lead and stearic acid with the chemical formula . The compound is classified as a metallic soap, i.e. a metal derivative of a fatty acid. The compound is toxic.

Synthesis The compound can be prepared by reacting stearic acid, lead(II) oxide, and a catalyst acetic acid.

It may also be prepared via an exchange reaction between lead(II) acetate and sodium stearate:

Uses The compound is used as a drier in oil paints and varnishes to speed the polymerization and oxidation processes. Also used as a lubricant and stabilizer in vinyl polymers and as a corrosion inhibitor in petroleum products.

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