1-Naphthalenesulfonic acid, 3-hydroxy-4-[(1-hydroxy-5-sulfo-2-naphthalenyl)azo]-, chromium complex

89899-25-2

CAS Name

Chromate(1-), [3-hydroxy-4-[(1-hydroxy-5-sulfo-2-naphthalenyl)azo]-1-naphthalenesulfonato(4-)]-, sodium

Molecular Formula

C₂₀H₁₀CrN₂O₈S₂.Na

Other Names and Identifiers

InChI

InChI=1S/C20H14N2O8S2.Cr.Na/c23-16-10-18(32(28,29)30)11-4-1-2-5-13(11)19(16)22-21-15-9-8-12-14(20(15)24)6-3-7-17(12)31(25,26)27;;/h1-10,23-24H,(H,25,26,27)(H,28,29,30);;/q;+3;+1/p-4

InChIKey

InChIKey=OTEQPURAAYHBDU-UHFFFAOYSA-J

SMILES

S(=O)(=O)([O-])C=1C=2C(C=3[N]=4[Cr+3]([O-]C3C1)[O-]C=5C(N4)=CC=C6C5C=CC=C6S(=O)(=O)[O-])=CC=CC2.[Na+]

Canonical SMILES

[Na+].O=S(=O)([O-])C1=CC=CC2=C3[O-][Cr+3]4[O-]C5=CC(=C6C=CC=CC6=C5[N]4=NC3=CC=C21)S(=O)(=O)[O-]

Other Names for this Substance