Term Name:	Sirius red F3B (acid form)
Synonyms:	7,7'-(carbonyldiazanediyl)bis[4-hydroxy-3-({2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl}diazenyl)naphthalene-2-sulfonic acid], 7,7'-(Carbonyldiimino)bis(4-hydroxy-3-((2-sulfo-4-((4-sulfophenyl)azo)phenyl) azo)-2-naphthalenesulfonic acid), direct red 80 (acid form), direct red 80 free acid, Sirius red F3B free acid
Definition:	A naphthalenesulfonic acid that is the free acid form of the dye Sirius red F3B. The hexasodium salt is a histological dye used principally in staining methods for collagen and amyloid.
Ontology:	ChEBI [CHEBI:88280]  ( EBI )