Lead stearate

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Description

A white powder that is used as a drier in oil paints and varnishes to speed the polymerization and oxidation processes. Lead stearate is also used as a lubricant during extrusion, as a stabilizer in vinyl polymers and as a corrosion inhibitor in petroleum products.

Synonyms and Related Terms

stearic acid lead salt

Other Properties

Soluble in hot ethanol. Insoluble in water.

Composition Pb(C18H35O2)2
CAS 1072-35-1
Melting Point ~125
Density 1.4

Hazards and Safety

Toxic by inhalation or ingestion. Absorbed by the skin. Skin contact may cause irritation or ulcers. Carcinogen, teratogen, suspected mutagen.

Sources Checked for Data in Record

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry # 5442