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Dictionary

phe•nol•sul•fone•phthal•ein

Pronunciation: (fē"nôl-sul"fōn-thal'ēn, -ē-in, -fthal'-, -nol-), [key]
—n. Chem.
a bright to dark red crystalline compound, C₁₉H₁₄O₅S, slightly soluble in water, alcohol, and acetone: used as an acid-base indicator and as a diagnostic reagent in medicine. Also called phe'nol red'.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

phenolphthalein

phenom

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