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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

Transmission Infrared (IR) Spectrum

Transmission Infrared (IR) Spectrum

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SpectraBase Spectrum ID L0va2QL76v8
Name CONGO RED
Source of Sample The Matheson Company, Inc.
Chemical Description DISAZO
Classification Dyes, Pigments and Stains= DIRECT DYE
Color Properties Colour Index Name= DIRECT RED 28 Colour Index Number= 22120
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Technique KBr WAFER