Phenol red

C19H14O5SCAS 143-74-8354.38 g/mol

Open in Covalent MOL file
OSOOOHHO
PhenolSulfonate ester

Properties

Molecular formula
C19H14O5S
Molar mass
354.38 g/mol
Exact mass
354.0562 Da
Melting point
above 300 °C
logP
3.11Crippen estimate
Polar surface area
83.8 Ų
H-bond donors / acceptors
2 / 5
Rotatable bonds
2

Hazards

Warning
Irritant (GHS07)

Aggregated from 211 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501

Identifiers

CAS number
143-74-8
SMILES
O=S1(=O)OC(c2ccc(O)cc2)(c2ccc(O)cc2)c2ccccc21
InChIKey
BELBBZDIHDAJOR-UHFFFAOYSA-N
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

Weigh it out

Type any one amount. The others follow from the molar mass.

Names and synonyms

19 names · show all
  • Phenol, 4,4′-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis-
  • Phenol, 4,4′-(3H-2,1-benzoxathiol-3-ylidene)di-, S,S-dioxide
  • Phenol, 4,4′-(3H-2,1-benzoxathiol-3-ylidene)bis-, S,S-dioxide
  • 3H-2,1-Benzoxathiole, phenol deriv.
  • 4,4′-(1,1-Dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[phenol]
  • 3,3-Bis(p-hydroxyphenyl)-2,1-3H-benzoxathiole 1,1-dioxide
  • α-Hydroxy-α,α-bis(p-hydroxyphenyl)-o-toluenesulfonic acid γ-sultone
  • Phenolsulfonephthalein
  • Phenolsulfonphthalein
  • Sulfonphthal
  • Phenolsulphonphthalein
  • 3H-2,1-Benzoxathiole, 3,3-bis(4-hydroxyphenyl)-, 1,1-dioxide
  • Fenolipuna
  • PSP (indicator)
  • Sulphental
  • Sulphonthal
  • PSP
  • TF-R 2
  • NSC 10459

Work with Phenol red

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Isotope patternExact mass and the mass spectrum pattern

Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

Phenol red sodium34487-61-1Salt

Similar compounds

Pyrocatechol violet115-41-367 % similar Metacresol purple2303-01-762 % similar Cresol red1733-12-660 % similar Bromophenol red2800-80-860 % similar Chlorophenol red4430-20-060 % similar Bromophenol blue115-39-960 % similar Iodophenol blue4430-24-460 % similar Bromocresol purple115-40-252 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Elsewhere

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