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Related to phenol red: phenolphthalein
phe·nol·sul·fon·phthal·e·in (PSP),(fē'nol-sŭl'fōn-thal'ē-in, -thal'ēn),
An indicator in tissue culture media (yellow at pH 6.8, red at pH 8.4); occurs as a bright to dark red crystalline powder; in the past given by parenteral injection as a test for renal function.
Synonym(s): phenol red
Farlex Partner Medical Dictionary © Farlex 2012
A red, water-soluble dye, C19H14O5S, used as an acid-base indicator and in medicine to test kidney function.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
1. C6H5OH; a crystalline, colorless or light pink solid, melting at 43°C, obtained from the distillation of coal tar. It has a characteristic odor and is dangerous because of its rapid corrosive action on tissues. Synonym: carbolic acid
2. Any of the aromatic derivatives of benzene with one or more hydroxyl groups attached.
phenol poisoningSee: poisoning
A primary color of the spectrum that, when added to blue, forms purple, and when added to yellow, forms orange.
An odorless red-brown powder used in testing for amyloid. In polarized light, amyloid treated with Congo red produces a green fluorescence.
An indicator of pH. It is yellow below pH 7.4 and red above 9.0.
An indicator of pH. It is red at pH 4.4 and yellow at 6.2.
CAS # 493-52-7
A red azo dye used to stimulate healing of indolent ulcers, burns, wounds, and so on; in histology, used as a stain. Synonym: rubrum scarlatinum
A stain used in preparing tissues for microscopic examination.
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