m-Cresol purple

CAS Registry Number®

2303-01-7

CAS Name

m-Cresol purple

Molecular Formula

C21H18O5S

Molecular Mass

382.43

Cite this Page

m-Cresol purple.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=2303-01-7 (retrieved 2024-11-22) (CAS RN: 2303-01-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    296 °C

Source(s)

Other Names and Identifiers

InChI

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

InChIKey

InChIKey=OLQIKGSZDTXODA-UHFFFAOYSA-N

SMILES

CC1=C(C2(C=3C(S(=O)(=O)O2)=CC=CC3)C4=C(C)C=C(O)C=C4)C=CC(O)=C1

Canonical SMILES

O=S1(=O)OC(C2=CC=C(O)C=C2C)(C3=CC=C(O)C=C3C)C=4C=CC=CC41

Other Names for this Substance

  • Phenol, 4,4′-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[3-methyl-
  • m-Cresol, 4,4′-(3H-2,1-benzoxathiol-3-ylidene)di-, S,S-dioxide
  • m-Cresol purple
  • Phenol, 4,4′-(3H-2,1-benzoxathiol-3-ylidene)bis[3-methyl-, S,S-dioxide
  • o-Toluenesulfonic acid, α-hydroxy-α,α-bis(4-hydroxy-o-tolyl)-, γ-sultone

View All

Deleted or Replaced CAS Registry Numbers

2877-89-6, 88492-48-2

CAS INSIGHTSTM
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