Poly(aniline-2-sulfonic acid)

CAS Registry Number®

117116-75-3

CAS Name

Poly(aniline-2-sulfonic acid)

Molecular Formula

(C6H7NO3S)x

Molecular Mass

173.19

Cite this Page

Poly(aniline-2-sulfonic acid).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=117116-75-3 (retrieved 2025-05-04) (CAS RN: 117116-75-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C6H7NO3S/c7-5-3-1-2-4-6(5)11(8,9)10/h1-4H,7H2,(H,8,9,10)

InChIKey

InChIKey=ZMCHBSMFKQYNKA-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)C1=C(N)C=CC=C1

Canonical SMILES

O=S(=O)(O)C=1C=CC=CC1N

Other Names for this Substance

  • Benzenesulfonic acid, 2-amino-, homopolymer
  • Orthanilic acid homopolymer
  • o-Aminobenzenesulfonic acid polymer
  • Poly(o-aminobenzenesulfonic acid)
  • o-Aminobenzenesulfonic acid homopolymer

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Deleted or Replaced CAS Registry Numbers

158746-03-3

CAS INSIGHTSTM
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