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Meaning of phthalic anhydride

phthal'ic anhy'dride

Pronunciation: [key]
— Chem. Chem.
  1. a white, crystalline, slightly water-soluble solid, CHO, used chiefly in the manufacture of dyes, alkyd resins, and plasticizers.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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