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

CAS Registry Number®

5850-93-1
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CAS Name

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

Molecular Formula

C20H14N2O4S.Na

Cite this Page

1-Naphthalenesulfonic acid, 5-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=5850-93-1 (retrieved 2024-09-21) (CAS RN: 5850-93-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C20H14N2O4S.Na/c23-18-12-11-13-5-1-2-6-14(13)20(18)22-21-17-9-3-8-16-15(17)7-4-10-19(16)27(24,25)26;/h1-12,23H,(H,24,25,26);

InChIKey

InChIKey=PCRAQALZHKIUPU-UHFFFAOYSA-N

SMILES

N(=NC=1C2=C(C=CC1O)C=CC=C2)C=3C4=C(C(S(=O)(=O)O)=CC=C4)C=CC3.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C=1C=CC=C2C(N=NC3=C(O)C=CC=4C=CC=CC43)=CC=CC21

Other Names for this Substance

  • 1-Naphthalenesulfonic acid, 5-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1)
  • C.I. Acid Red 141, monosodium salt
  • 1-Naphthalenesulfonic acid, 5-[(2-hydroxy-1-naphthalenyl)azo]-, monosodium salt
  • C.I. 15625
  • Acid Leather Red AS

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Deleted or Replaced CAS Registry Numbers

51790-50-2