cresol red (CHEBI:86218)

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ChEBI Name	cresol red

ChEBI ID	CHEBI:86218

Definition	A member of the class of 2,1-benzoxathioles that is 2,1-benzoxathiole 1,1-dioxide in which both of the hydrogens at position 3 have been substituted by 4-hydroxy-5-methylphenyl groups.

Stars	This entity has been manually annotated by the ChEBI Team.

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Formula

C21H18O5S

Net Charge

Average Mass

382.43000

Monoisotopic Mass

382.08749

InChI

InChI=1S/C21H18O5S/c1-13-11-15(7-9-18(13)22)21(16-8-10-19(23)14(2)12-16)17-5-3-4-6-20(17)27(24,25)26-21/h3-12,22-23H,1-2H3

InChIKey

OBRMNDMBJQTZHV-UHFFFAOYSA-N

SMILES

Cc1cc(ccc1O)C1(OS(=O)(=O)c2ccccc12)c1ccc(O)c(C)c1

Roles Classification
Application(s):	acid-base indicator An acid or base which exhibits a colour change on neutralization by the basic or acidic titrant at or near the equivalence point of a titration. dye two-colour indicator A colour indicator that possesses a different colour on each side of the transition interval.

ChEBI Ontology
Outgoing	cresol red (CHEBI:86218) has role acid-base indicator (CHEBI:50407) cresol red (CHEBI:86218) has role dye (CHEBI:37958) cresol red (CHEBI:86218) has role two-colour indicator (CHEBI:50412) cresol red (CHEBI:86218) is a 2,1-benzoxathiole (CHEBI:38087) cresol red (CHEBI:86218) is a arenesulfonate ester (CHEBI:38094) cresol red (CHEBI:86218) is a polyphenol (CHEBI:26195) cresol red (CHEBI:86218) is a sultone (CHEBI:38088)

IUPAC Name

3,3-bis(4-hydroxy-5-methylphenyl)-2,1λ⁶-benzoxathiole-1,1(3H)-dione

Synonyms	Sources
3',3''-Dimethylphenolsulfonephthalein	ChemIDplus
Cresolsulfophthalein	ChemIDplus
NSC 7224	ChemIDplus
o-Cresol Red	ChemIDplus
o-Cresolsulfonephthalein	ChemIDplus

Citation	Type	Source
26003703	PubMed citation	Europe PMC

Last Modified

29 June 2015