1-Naphthalenesulfonic acid, 2-hydroxy-, sodium salt (1:1)

CAS Registry Number®

25059-14-7

CAS Name

1-Naphthalenesulfonic acid, 2-hydroxy-, sodium salt (1:1)

Molecular Formula

C10H8O4S.Na

Cite this Page

1-Naphthalenesulfonic acid, 2-hydroxy-, sodium salt (1:1).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=25059-14-7 (retrieved 2025-01-03) (CAS RN: 25059-14-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C10H8O4S.Na/c11-9-6-5-7-3-1-2-4-8(7)10(9)15(12,13)14;/h1-6,11H,(H,12,13,14);

InChIKey

InChIKey=LQELEHYKRUQLJA-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)C=1C2=C(C=CC1O)C=CC=C2.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=C(O)C=CC=2C=CC=CC21

Other Names for this Substance

  • 1-Naphthalenesulfonic acid, 2-hydroxy-, sodium salt (1:1)
  • 1-Naphthalenesulfonic acid, 2-hydroxy-, monosodium salt
  • 2-Naphthol-1-sodium sulfonate
  • Sodium β-naphthol-1-sulfonate
  • Armstrong acid

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Deleted or Replaced CAS Registry Numbers

79013-23-3

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