Term Name:	Sirius red 4B (acid form)
Synonyms:	7-(Benzoylamino)-4-hydroxy-3-((4-((4-sulfophenyl)azo)phenyl)azo)-2-naphthalenesulfonic acid, 7-benzamido-4-hydroxy-3-({4-[(4-sulfophenyl)diazenyl]phenyl}diazenyl)naphthalene-2-sulfonic acid, Direct Red 81 (acid form), Direct Red 81 free acid, Sirius red 4B free acid, Solaminrot 4B (acid form), Solaminrot 4B free acid
Definition:	A naphthalenesulfonic acid that is 7-amino-4-hydroxy-3-({4-[(4-sulfophenyl)diazenyl]phenyl}diazenyl)naphthalene-2-sulfonic acid in which one of the amino hydrogens is replaced by a benzoyl group. The disodium salt is the histological dye 'Sirius red 4B'.
Ontology:	ChEBI [CHEBI:88192]  ( EBI )