4-[2-(4-Chloro-5-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-2-naphthalenecarboxylic acid

CAS Registry Number®

27757-95-5

CAS Name

4-[2-(4-Chloro-5-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-2-naphthalenecarboxylic acid

Molecular Formula

C18H13ClN2O6S

Molecular Mass

420.82

Cite this Page

4-[2-(4-Chloro-5-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-2-naphthalenecarboxylic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=27757-95-5 (retrieved 2025-01-03) (CAS RN: 27757-95-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C18H13ClN2O6S/c1-9-6-14(15(8-13(9)19)28(25,26)27)20-21-16-11-5-3-2-4-10(11)7-12(17(16)22)18(23)24/h2-8,22H,1H3,(H,23,24)(H,25,26,27)

InChIKey

InChIKey=BZRQQRFJGITEMV-UHFFFAOYSA-N

SMILES

N(=NC1=C(S(=O)(=O)O)C=C(Cl)C(C)=C1)C=2C3=C(C=C(C(O)=O)C2O)C=CC=C3

Canonical SMILES

O=C(O)C1=CC=2C=CC=CC2C(N=NC3=CC(=C(Cl)C=C3S(=O)(=O)O)C)=C1O

Other Names for this Substance

  • 2-Naphthalenecarboxylic acid, 4-[2-(4-chloro-5-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-
  • C.I. Pigment Red 52
  • 2-Naphthalenecarboxylic acid, 4-[(4-chloro-5-methyl-2-sulfophenyl)azo]-3-hydroxy-
  • 4-[2-(4-Chloro-5-methyl-2-sulfophenyl)diazenyl]-3-hydroxy-2-naphthalenecarboxylic acid

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