Medical Definition of Phenol red
1.
4,4'-(3h-2,1-benzoxathiol-3-ylidene)bisphenol s,s-dioxide. Red dye, pH indicator, and diagnostic aid for determination of renal function. It is used also for studies of the gastrointestinal and other systems.
Pharmacological action: indicators and reagents, phthalein dyes.
Chemical name: Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis-, S,S-dioxide
(12 Dec 1998)
Lexicographical Neighbors of Phenol Red
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