phenolsulfonephthalein

noun

variants or phenolsulfonphthalein

¦⸗ˌ⸗¦⸗ˌ⸗¦⸗(⸗)⸗

: a red crystalline compound C₁₉H₁₄O₅S formed by condensation of the anhydride of ortho-sulfobenzoic acid and phenol and used chiefly as a test of kidney function and as an acid-base indicator

called also phenol red

Word History

Etymology

International Scientific Vocabulary phenol + sulfonephthalein or sulfonphthalein

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