5-Amino-2-hydroxybenzenesulfonic acid

CAS Registry Number®

2835-04-3

CAS Name

5-Amino-2-hydroxybenzenesulfonic acid

Molecular Formula

C6H7NO4S

Molecular Mass

189.19

Cite this Page

5-Amino-2-hydroxybenzenesulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=2835-04-3 (retrieved 2025-05-08) (CAS RN: 2835-04-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C6H7NO4S/c7-4-1-2-5(8)6(3-4)12(9,10)11/h1-3,8H,7H2,(H,9,10,11)

InChIKey

InChIKey=SILINKWDNDDXTL-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

O=S(=O)(O)C1=CC(N)=CC=C1O

Other Names for this Substance

  • Benzenesulfonic acid, 5-amino-2-hydroxy-
  • Metanilic acid, 6-hydroxy-
  • 1-Phenol-2-sulfonic acid, 4-amino-
  • 5-Amino-2-hydroxybenzenesulfonic acid
  • 5-Amino-o-phenolsulfonic acid

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