CHEBI:34653 - Congo Red

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ChEBI Name Congo Red
ChEBI ID CHEBI:34653
Definition An indicator dye that is blue-violet at pH 3.0 and red at pH 5.0.
Stars This entity has been manually annotated by the ChEBI Team.
Supplier Information
Download Molfile XML SDF
Formulae C32H22N6Na2O6S2
C32H22N6O6S2.2Na
Net Charge 0
Average Mass 696.667
Monoisotopic Mass 696.084
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
InChIKey IQFVPQOLBLOTPF-UHFFFAOYSA-L
SMILES C1=CC(C2=CC=C(N=NC3=CC(=C4C(=C3N)C=CC=C4)S([O-])(=O)=O)C=C2)=CC=C1N=NC5=CC(=C6C(=C5N)C=CC=C6)S([O-])(=O)=O.[Na+].[Na+]
ChEBI Ontology
Outgoing Congo Red (CHEBI:34653) has functional parent 3,3'-(biphenyl-4,4'-diyldidiazene-2,1-diyl)bis(4-aminonaphthalene-1-sulfonic acid) (CHEBI:38217)
Congo Red (CHEBI:34653) has part 3,3'-(biphenyl-4,4'-diyldidiazene-2,1-diyl)bis(4-aminonaphthalene-1-sulfonate) (CHEBI:38216)
Congo Red (CHEBI:34653) is a azo compound (CHEBI:37533)
IUPAC Name
disodium 3,3'-(biphenyl-4,4'-diyldidiazene-2,1-diyl)bis(4-aminonaphthalene-1-sulfonate)
Synonyms Sources
Congo red KEGG COMPOUND
Direct red 28 KEGG COMPOUND
disodium 3,3'-((1,1'-biphenyl)-4,4'-diylbis(azo))bis(4-aminonaphthalene-1-sulphonate) ChemIDplus
Kongorot ChemIDplus
Sodium diphenyldiazo-bis-alpha-naphthylaminesulfonate KEGG COMPOUND
Manual Xref Database
C14078 KEGG COMPOUND
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Registry Numbers Types Sources
135213 Gmelin Registry Number Gmelin
3894858 Beilstein Registry Number Beilstein
573-58-0 CAS Registry Number ChemIDplus
741468 Beilstein Registry Number Beilstein
Last Modified
13 October 2015