1-(p-Sulfophenylazo)-2-naphthol

CAS Registry Number®

573-89-7

CAS Name

1-(p-Sulfophenylazo)-2-naphthol

Molecular Formula

C16H12N2O4S

Molecular Mass

328.34

Cite this Page

1-(p-Sulfophenylazo)-2-naphthol.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=573-89-7 (retrieved 2024-11-24) (CAS RN: 573-89-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C16H12N2O4S/c19-15-10-5-11-3-1-2-4-14(11)16(15)18-17-12-6-8-13(9-7-12)23(20,21)22/h1-10,19H,(H,20,21,22)

InChIKey

InChIKey=RDUJRVXKAIVTDH-UHFFFAOYSA-N

SMILES

N(=NC1=CC=C(S(=O)(=O)O)C=C1)C=2C3=C(C=CC2O)C=CC=C3

Canonical SMILES

O=S(=O)(O)C1=CC=C(N=NC2=C(O)C=CC=3C=CC=CC32)C=C1

Other Names for this Substance

  • Benzenesulfonic acid, 4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-
  • Benzenesulfonic acid, 4-[(2-hydroxy-1-naphthalenyl)azo]-
  • C.I. Acid Orange 7, free acid
  • 4-[2-(2-Hydroxy-1-naphthalenyl)diazenyl]benzenesulfonic acid
  • 4-[(2-Hydroxy-1-naphthyl)azo]benzenesulfonic acid

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