Chromotropic acid

CAS Registry Number®

148-25-4
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CAS Name

Chromotropic acid

Molecular Formula

C10H8O8S2

Molecular Mass

320.30

Cite this Page

Chromotropic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=148-25-4 (retrieved 2024-03-28) (CAS RN: 148-25-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C10H8O8S2/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8/h1-4,11-12H,(H,13,14,15)(H,16,17,18)

InChIKey

InChIKey=HLVXFWDLRHCZEI-UHFFFAOYSA-N

SMILES

OC=1C2=C(C=C(S(=O)(=O)O)C=C2O)C=C(S(=O)(=O)O)C1

Canonical SMILES

O=S(=O)(O)C=1C=C(O)C2=C(O)C=C(C=C2C1)S(=O)(=O)O

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-
  • 4,5-Dihydroxy-2,7-naphthalenedisulfonic acid
  • C.I. 16655
  • Chromatropic acid
  • Chromotropic acid

Deleted or Replaced CAS Registry Numbers

911126-86-8, 1081781-15-8

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