Definitions for phthaleinˈθæl in, -i ɪn, ˈfθæl-

This page provides all possible meanings and translations of the word phthalein


  1. phthalein(Noun)

    any of a range of lactones formed by the reaction of phenols with phthalic anhydride

Webster Dictionary

  1. Phthalein(noun)

    one of a series of artificial organic dyes made as condensation products of the phenols with phthalic acid, and well represented by phenol phthalein. Their alkaline solutions are fluorescent

  2. Origin: [See Phthalic.]


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