Benzenesulfonic acid, 5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, sodium salt (1:1)

CAS Registry Number®

2092-56-0

CAS Name

Benzenesulfonic acid, 5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, sodium salt (1:1)

Molecular Formula

C17H13ClN2O4S.Na

Cite this Page

Benzenesulfonic acid, 5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, sodium salt (1:1).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=2092-56-0 (retrieved 2024-11-25) (CAS RN: 2092-56-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C17H13ClN2O4S.Na/c1-10-8-14(16(9-13(10)18)25(22,23)24)19-20-17-12-5-3-2-4-11(12)6-7-15(17)21;/h2-9,21H,1H3,(H,22,23,24);

InChIKey

InChIKey=IHOQWFSMZUWXGQ-UHFFFAOYSA-N

SMILES

N(=NC1=C(S(=O)(=O)O)C=C(Cl)C(C)=C1)C=2C3=C(C=CC2O)C=CC=C3.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC(Cl)=C(C=C1N=NC2=C(O)C=CC=3C=CC=CC32)C

Other Names for this Substance

  • Benzenesulfonic acid, 5-chloro-2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-4-methyl-, sodium salt (1:1)
  • Benzenesulfonic acid, 5-chloro-2-[(2-hydroxy-1-naphthalenyl)azo]-4-methyl-, monosodium salt
  • C.I. Pigment Red 53
  • 11938 Red
  • C.I. 15585

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Deleted or Replaced CAS Registry Numbers

12238-81-2, 897937-66-5

CAS INSIGHTSTM
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