Search Ontology:
ChEBI
phenol red
- Term ID
- CHEBI:31991
- Synonyms
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- 3,3-bis(p-hydroxyphenyl)-3H-2,1-benzoxathiole 1,1-dioxide
- 4,4'-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)diphenol
- 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bisphenol S,S-dioxide
- alpha-hydroxy-alpha,alpha-bis(p-hydroxyphenyl)-o-toluenesulfonic acid gamma-sultone
- Phenol red
- Phenolsulfonphthalein
- PSP
- Definition
- 3H-2,1-Benzoxathiole 1,1-dioxide in which both of the hydrogens at position 3 have been substituted by 4-hydroxyphenyl groups. A pH indicator changing colour from yellow below pH 6.8 to bright pink above pH 8.2, it is commonly used as an indicator in cell cultures and in home swimming pool test kits. It is also used in the (now infrequently performed) phenolsulfonphthalein (PSP) test for estimation of overall blood flow through the kidney.
- References
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- Beilstein:326470
- CAS:143-74-8
- Drug_Central:3439
- KEGG:C12600
- KEGG:D01200
- Ontology
- ChEBI ( EBI )
- Resources
- CTD
- is a type of
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- has_role
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Phenotype
Phenotype resulting from phenol red
Phenotype where environments contain phenol red
Phenotype modified by environments containing phenol red
Human Disease / Model Data