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direct congo red 4b
SpectraBase Compound ID DMwwFGnGMst
InChI InChI=1S/C32H24N6O6S2.2Na/c33-31-25-7-3-1-5-23(25)29(45(39,40)41)17-27(31)37-35-21-13-9-19(10-14-21)20-11-15-22(16-12-20)36-38-28-18-30(46(42,43)44)24-6-2-4-8-26(24)32(28)34;;/h1-18H,33-34H2,(H,39,40,41)(H,42,43,44);;/q;2*+1/p-2/b37-35+,38-36+;;
InChIKey IQFVPQOLBLOTPF-HKXUKFGYSA-L
Mol Weight 696.7 g/mol
Molecular Formula C32H22N6Na2O6S2
Exact Mass 696.083763 g/mol

Attenuated Total Reflectance Infrared (ATR-IR) Spectrum

Attenuated Total Reflectance Infrared (ATR-IR) Spectrum

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SpectraBase Spectrum ID 2WfL6dXB629
Name Congo Red
Source of Sample Aldrich
Catalog Number 860956
CAS Registry Number 573-58-0
Copyright Copyright © 2018-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved.
Formula C32H22N6Na2O6S2
InChI InChI=1S/C32H24N6O6S2.2Na/c33-31-25-7-3-1-5-23(25)29(45(39,40)41)17-27(31)37-35-21-13-9-19(10-14-21)20-11-15-22(16-12-20)36-38-28-18-30(46(42,43)44)24-6-2-4-8-26(24)32(28)34;;/h1-18H,33-34H2,(H,39,40,41)(H,42,43,44);;/q;2*+1/p-2/b37-35+,38-36+;;
InChIKey IQFVPQOLBLOTPF-HKXUKFGYSA-L
Purity certified by the Biological Stain Commission, Dye content 85%
Synonyms Congo Red 4B; Cosmos Red; Cotton Red B; Cotton Red C; Direct Red 28; Direct Red R; Direct Red Y
Wiley ID SIAL_ATR-IR_022158