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phenolsulfonephthalein

[ fee-nawl-suhl-fohn-thal-een, -ee-in, -fthal-, -nol- ]
/ ˌfi nɔlˌsʌl foʊnˈθæl in, -i ɪn, -ˈfθæl-, -nɒl- /
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noun Chemistry.

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.

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Also called phenol red .

Origin of phenolsulfonephthalein

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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