Phthalic Anhydride (noun) Definition, Meaning & Examples

noun Chemistry.
  1. a white, crystalline, slightly water-soluble solid, C8H4O3, used chiefly in the manufacture of dyes, alkyd resins, and plasticizers.
noun
  1. a white crystalline substance used mainly in producing dyestuffs. Formula: C 6 H 4 (CO) 2 O
    Phthalic Anhydride (noun) Definition, Meaning & Examples

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