OntologieschebiclassesCHEBI:31991   
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phenol red
http://purl.obolibrary.org/obo/CHEBI_31991

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.

Also appears inonemicroprideobislm + 2
Exact Synonyms
4,4'-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)diphenol
Phenol red
Related Synonyms
3,3-bis(p-hydroxyphenyl)-3H-2,1-benzoxathiole 1,1-dioxide
4,4'-(3H-2,1-benzoxathiol-3-ylidene)bisphenol S,S-dioxide
alpha-hydroxy-alpha,alpha-bis(p-hydroxyphenyl)-o-toluenesulfonic acid gamma-sultone
Phenolsulfonphthalein
PSP
class Information
charge

0

formula

C19H14O5S

has_dbxref
has_obo_namespace

chebi_ontology

inchi

InChI=1S/C19H14O5S/c20-15-9-5-13(6-10-15)19(14-7-11-16(21)12-8-14)17-3-1-2-4-18(17)25(22,23)24-19/h1-12,20-21H

inchikey

BELBBZDIHDAJOR-UHFFFAOYSA-N

in_subset

3_STAR

mass

354.37600

monoisotopicmass

354.05619

smiles

Oc1ccc(cc1)C1(OS(=O)(=O)c2ccccc12)c1ccc(O)cc1

class Relations