phthalic anhydride definition

  • noun:
    • A white crystalline element, C6H4(CO)2O, prepared by oxidizing naphthalene and utilized in the make of phthaleins also dyes, resins, plasticizers, and pesticides.
    • The acid anhydride of phthalic acid; manufactured because of the oxidation of xylene or naphthalene, popular when you look at the synthesis of dyes, pesticides, plasticizers and pharmaceuticals.
    • a white cyclic anhydride

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  • Hypernym for "phthalic anhydride"
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