2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, potassium sodium salt

85940-65-4

CAS Name

2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, potassium sodium salt (1:?:?)

Molecular Formula

C₁₈H₁₆N₂O₁₃S₄.xK.xNa

Other Names and Identifiers

InChI

InChI=1S/C18H16N2O13S4.K.Na/c21-18-15-6-5-14(35(24,25)26)9-11(15)10-16(36(27,28)29)17(18)20-19-12-1-3-13(4-2-12)34(22,23)8-7-33-37(30,31)32;;/h1-6,9-10,21H,7-8H2,(H,24,25,26)(H,27,28,29)(H,30,31,32);;

InChIKey

InChIKey=PFNJYZFHYNFURD-UHFFFAOYSA-N

SMILES

OC=1C2=C(C=C(S(=O)(=O)O)C1N=NC3=CC=C(S(CCOS(=O)(=O)O)(=O)=O)C=C3)C=C(S(=O)(=O)O)C=C2.[K].[Na]

Canonical SMILES

[Na].[K].O=S(=O)(O)OCCS(=O)(=O)C1=CC=C(N=NC=2C(O)=C3C=CC(=CC3=CC2S(=O)(=O)O)S(=O)(=O)O)C=C1

Other Names for this Substance