4-Aminoazobenzene-4′-sulfonic acid

CAS Registry Number®

104-23-4

CAS Name

4-Aminoazobenzene-4′-sulfonic acid

Molecular Formula

C12H11N3O3S

Molecular Mass

277.30

Cite this Page

4-Aminoazobenzene-4′-sulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=104-23-4 (retrieved 2024-11-22) (CAS RN: 104-23-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C12H11N3O3S/c13-9-1-3-10(4-2-9)14-15-11-5-7-12(8-6-11)19(16,17)18/h1-8H,13H2,(H,16,17,18)

InChIKey

InChIKey=PPVRMPPLECDING-UHFFFAOYSA-N

SMILES

N(=NC1=CC=C(N)C=C1)C2=CC=C(S(=O)(=O)O)C=C2

Canonical SMILES

O=S(=O)(O)C1=CC=C(N=NC2=CC=C(N)C=C2)C=C1

Other Names for this Substance

  • Benzenesulfonic acid, 4-[2-(4-aminophenyl)diazenyl]-
  • C.I. Food Yellow 6
  • Benzenesulfonic acid, 4-[(4-aminophenyl)azo]-
  • Benzenesulfonic acid, p-(p-aminophenylazo)-
  • 4-[2-(4-Aminophenyl)diazenyl]benzenesulfonic acid

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