Sodium ortho-phenyl phenate

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A white flaky material that is used as a Bactericide and Fungicide. A dilute solution of sodium ortho-phenyl phenate is commercially available as Dowicide A [Dow Chemical]. Sodium ortho-phenyl phenate is used as a preservative in gouache paints.

Synonyms and Related Terms

Dowicide A [Dow Chemical]; Natriphene; sodium-o-phenylphenate; sodium-2-phenylphenolate

Physical and Chemical Properties

  • Soluble in water, methanol, acetone. Slightly soluble in propylene glycol.
  • Saturated aqueous solution has a pH of 12.0 - 13.5.
Composition C6H4(C6H5)ONa - 4H2O

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 7186