2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[2-(2-pyridinyl)diazenyl]-, sodium salt (1:2)

CAS Registry Number®

2113-70-4

CAS Name

2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[2-(2-pyridinyl)diazenyl]-, sodium salt (1:2)

Molecular Formula

C15H11N3O8S2.2Na

Cite this Page

2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[2-(2-pyridinyl)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=2113-70-4 (retrieved 2025-01-20) (CAS RN: 2113-70-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C15H11N3O8S2.2Na/c19-10-7-9(27(21,22)23)5-8-6-11(28(24,25)26)14(15(20)13(8)10)18-17-12-3-1-2-4-16-12;;/h1-7,19-20H,(H,21,22,23)(H,24,25,26);;

InChIKey

InChIKey=DZKCPRCQOFMXKL-UHFFFAOYSA-N

SMILES

OC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=CC=CC=N3)C=C(S(=O)(=O)O)C=C2O.[Na]

Canonical SMILES

[Na].O=S(=O)(O)C=1C=C(O)C2=C(O)C(N=NC3=NC=CC=C3)=C(C=C2C1)S(=O)(=O)O

Other Names for this Substance

  • 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[2-(2-pyridinyl)diazenyl]-, sodium salt (1:2)
  • 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-(2-pyridylazo)-, disodium salt
  • 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-(2-pyridinylazo)-, disodium salt

Deleted or Replaced CAS Registry Numbers

684258-84-2