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

CAS Registry Number®

5850-89-5

CAS Name

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

Molecular Formula

C17H14N2O4S.Na

Cite this Page

Benzenesulfonic acid, 2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-5-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=5850-89-5 (retrieved 2025-02-01) (CAS RN: 5850-89-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C17H14N2O4S.Na/c1-11-6-8-14(16(10-11)24(21,22)23)18-19-17-13-5-3-2-4-12(13)7-9-15(17)20;/h2-10,20H,1H3,(H,21,22,23);

InChIKey

InChIKey=LTFFMGBQKAZVMH-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

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

Other Names for this Substance

  • Benzenesulfonic acid, 2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-5-methyl-, sodium salt (1:1)
  • C.I. Pigment Red 70, monosodium salt
  • Benzenesulfonic acid, 2-[(2-hydroxy-1-naphthalenyl)azo]-5-methyl-, monosodium salt
  • C.I. 15590
  • Brilliant Lake Scarlet YBL

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