1-Naphthalenesulfonic acid, 7-hydroxy-8-[2-(4-sulfo-1-naphthalenyl)diazenyl]-, sodium salt (1:2)

CAS Registry Number®

5858-93-5

CAS Name

1-Naphthalenesulfonic acid, 7-hydroxy-8-[2-(4-sulfo-1-naphthalenyl)diazenyl]-, sodium salt (1:2)

Molecular Formula

C20H14N2O7S2.2Na

Cite this Page

1-Naphthalenesulfonic acid, 7-hydroxy-8-[2-(4-sulfo-1-naphthalenyl)diazenyl]-, sodium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=5858-93-5 (retrieved 2024-11-24) (CAS RN: 5858-93-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C20H14N2O7S2.2Na/c23-16-10-8-12-4-3-7-18(31(27,28)29)19(12)20(16)22-21-15-9-11-17(30(24,25)26)14-6-2-1-5-13(14)15;;/h1-11,23H,(H,24,25,26)(H,27,28,29);;

InChIKey

InChIKey=VFAFIAGPOSXEOJ-UHFFFAOYSA-N

SMILES

N(=NC=1C2=C(C(S(=O)(=O)O)=CC1)C=CC=C2)C=3C4=C(C=CC3O)C=CC=C4S(=O)(=O)O.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C1=CC=C(N=NC2=C(O)C=CC3=CC=CC(=C32)S(=O)(=O)O)C=4C=CC=CC41

Other Names for this Substance

  • 1-Naphthalenesulfonic acid, 7-hydroxy-8-[2-(4-sulfo-1-naphthalenyl)diazenyl]-, sodium salt (1:2)
  • C.I. Acid Red 25, disodium salt
  • 1-Naphthalenesulfonic acid, 7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-, disodium salt
  • 2-Naphthol-8-sulfonic acid, 1-(4-sulfo-1-naphthylazo)-, disodium salt
  • C.I. 16050

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