01 n. One of a series of artificial organic dyes made as condensation products of the phenols with phthalic acid, and well represented by phenolp…
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One of a series of artificial organic dyes made as condensation products of the phenols with phthalic acid, and well represented by phenolphthalein. Their alkaline solutions are fluorescent.(Chem.)
Phrases & compounds
Phenol phthalein —
a white or yellowish white crystalline substance made from phthalic acid and phenol. Same as phenolphthalein.