Any member of the wide class of molecules that share the core azobenzene structure, comprising two phenyl rings linked by a N=N double bond, which may have different functional groups extending from the rings.
| Member | Definition | Role |
|---|
| 2-[4-(dimethylamino)phenyl]azobenzoic acid [2-(1-azepanyl)-2-oxoethyl] ester | | 2-[4-(dimethylamino)phenyl]azobenzoic acid [2-(1-azepanyl)-2-oxoethyl] ester |
| azobenzene | A molecule whose structure comprises two phenyl rings linked by a N=N double bond; the parent compound of the azobenzene class of compounds. | azobenzene |
| bis-q | | trimethyl-[[3-[3-[(trimethylammonio)methyl]phenyl]azophenyl]methyl]ammonium |
| butanoic acid [2-oxo-2-(4-phenyldiazenylanilino)ethyl] ester | | butanoic acid [2-oxo-2-(4-phenyldiazenylanilino)ethyl] ester |
| c.i. solvent yellow 56 | An azobenzene that is N,N-diethylaniline substituted at position 4 by a phenylazo group. | Solvent yellow 56 |
| disperse orange 3 | Azobenzene substituted at the phenyl 4-positions by an amino and a nitro group. | 4-(4-nitrophenylazo)aniline |
| ethoxazene | | etoxazene |
| olsalazine | An azobenzene that consists of two molecules of 4-aminosalicylic acid joined by an azo linkage. A prodrug for mesalazine, an anti-inflammatory drug, it is used (as the disodium salt) in the treatment of inflammatory bowel disease. | olsalazine |
| p-dimethylaminoazobenzene | | 4-(dimethylamino)azobenzene |
| ponceau mx | A naphthalenesulfonic acid that is naphthalene-2,7-disulfonic acid carrying additional hydroxy and (2,4-dimethylphenyl)diazenyl substituents at positions 3 and 4 respectively. The disodium salt is the biological stain 'acid red 26'. | 4-[(2,4-dimethylphenyl)diazenyl]-3-hydroxynaphthalene-2,7-disulfonic acid |
| pyridoxal phosphate-6-azophenyl-2',4'-disulfonic acid | An arenesulfonic acid that is pyridoxal 5'-phosphate carrying an additional 2,4-disulfophenylazo substituent at position 6. | 5'-phosphopyridoxal-6-azobenzene-2,4-disulfonic acid |
| reactive red 120 dye | A bis(azo) compound that consists of a benzene core having two (4-amino-6-chloro-1,3,5-triazin-2-yl)amino groups attached at positions 1 and 4 and which in turn have 5-hydroxy-6-[(2-sulfophenyl)diazenyl]-2,7-disulfonaphthalen-4-yl groups attached to their 4-amino functions. | Reactive red 120 |
| scarlet red | 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. | Sudan IV |
| sudan black b | A member of the class of perimidines that is 2,2-dimethyl-2,3-dihydro-1H-perimidine carrying a [4-(phenyldiazenyl)naphthalen-1-yl]diazenyl substituent at position 6. A fat-soluble dye predominantly used for demonstrating triglycerides in frozen sections and for staining of protein bound lipids in paraffin sections. | Sudan black B |
| sudan iii | A bis(azo) compound that is 2-naphthol substituted at position 1 by a 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. | Sudan III |