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Definition of Phthalic anhydride
1. Noun. A white cyclic anhydride.
Generic synonyms: Anhydride
Definition of Phthalic anhydride
1. Noun. (organic compound) The acid anhydride of phthalic acid; manufactured by the oxidation of xylene or naphthalene, widely used in the synthesis of dyes, insecticides, plasticizers and pharmaceuticals. ¹
¹ Source: wiktionary.com