Term Name:	Sudan IV
Synonyms:	1-(2-Methyl-4-(2-methylphenylazo)phenylazo)-2-naphthol, 1-(4-o-Tolylazo-o-tolylazo)-2-naphthol, 1-({2-methyl-4-[(2-methylphenyl)diazenyl]phenyl}diazenyl)naphthalen-2-ol, 1-[2-[2-Methyl-4-[2-(2-methylphenyl)diazenyl]phenyl]diazenyl]-2-naphthalenol, 2',3-Dimethyl-4-(2-hydroxynaphthylazo)azobenzene, Biebrich scarlet R, C.I. 26105, C.I. Solvent Red 24, scarlet R, scarlet red, scharlach R, solvent red 24
Definition:	A bis(azo) compound that is 2-naphthol substituted at position 1 by a {2-methyl-4-[(2-methylphenyl)diazenyl]phenyl}diazenyl group. A fat-soluble dye predominantly used for demonstrating triglycerides in frozen sections, but which may also stain some protein bound lipids in paraffin sections.
Ontology:	ChEBI [CHEBI:88014]  ( EBI )