Copper naphthenate

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A green copper salt that is generally used as a solution in mineral spirits or oils. Copper naphthenate is used as a Fungicide, Insecticide, wood preservative, and as a component in antifouling paints. A 0.1% solution has also been used as a paper treatment to minimize the growth of mold and fungi (Roberts and Etherington 1982). Copper naphthenate can leave a green residue on treated materials.

Synonyms and Related Terms

copper salt of naphthenic acid; Cuprinol; Wittox-C


  • Flammable.
  • Toxic by ingestion and inhalation.
  • Skin contact may cause irritation.
  • Priority Care: SDS

Physical and Chemical Properties

Soluble in benzene, mineral spirits, oils.

CAS 1338-02-9

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
  • Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997