Term Name:	Congo Red
Synonyms:	Congo red, Direct red 28, disodium 3,3'-((1,1'-biphenyl)-4,4'-diylbis(azo))bis(4-aminonaphthalene-1-sulphonate), disodium 3,3'-(biphenyl-4,4'-diyldidiazene-2,1-diyl)bis(4-aminonaphthalene-1-sulfonate), Kongorot, Sodium diphenyldiazo-bis-alpha-naphthylaminesulfonate
Definition:	An indicator dye that is blue-violet at pH 3.0 and red at pH 5.0.
Ontology:	ChEBI [CHEBI:34653]  ( EBI )