2-Naphthalenesulfonic acid, 8-hydroxy-5,7-dinitro-, potassium salt (1:2)

CAS Registry Number®

549-34-8

CAS Name

2-Naphthalenesulfonic acid, 8-hydroxy-5,7-dinitro-, potassium salt (1:2)

Molecular Formula

C10H6N2O8S.2K

Cite this Page

2-Naphthalenesulfonic acid, 8-hydroxy-5,7-dinitro-, potassium salt (1:2).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=549-34-8 (retrieved 2024-11-26) (CAS RN: 549-34-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C10H6N2O8S.2K/c13-10-7-3-5(21(18,19)20)1-2-6(7)8(11(14)15)4-9(10)12(16)17;;/h1-4,13H,(H,18,19,20);;

InChIKey

InChIKey=NSMJCEVEYNCHSS-UHFFFAOYSA-N

SMILES

N(=O)(=O)C=1C2=C(C(O)=C(N(=O)=O)C1)C=C(S(=O)(=O)O)C=C2.[K]

Canonical SMILES

[K].O=N(=O)C=1C=C(C2=CC=C(C=C2C1O)S(=O)(=O)O)N(=O)=O

Other Names for this Substance

  • 2-Naphthalenesulfonic acid, 8-hydroxy-5,7-dinitro-, potassium salt (1:2)
  • 2-Naphthalenesulfonic acid, 8-hydroxy-5,7-dinitro-, dipotassium salt
  • Flavianic acid, potassium deriv., potassium salt
  • FD and C Yellow No. 2
  • Flavianic acid dipotassium salt

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