The molecule is an ammonium salt that is the ammonium salt of 3,3'-[(3-carboxy-4-oxocyclohexa-2,5-dien-1-ylidene)methylene]bis(6-hydroxybenzoic acid). A dye commonly used to detect the presence of the aluminium ion in an aqueous solution. It has a role as a fluorochrome, a histological dye and an insulin-like growth factor receptor 1 antagonist. It contains an aurintricarboxylate.
triazanium;5-[(E)-(3-carboxy-4-oxidophenyl)-(3-carboxy-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]-2-oxidobenzoate