The molecule is an organic sodium salt resulting from the formal condensation of Congo corinth (acid form) with two equivalents of sodium hydroxide. A histological dye used to stain frozen sections for rapid diagnosis and to demonstrate amuloid. It has a role as a fluorochrome and a histological dye. It contains a Congo corinth(2-).
disodium;4-amino-3-[[4-[4-[(1-hydroxy-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate