family of azo compounds, i.e. compounds containing the C-N=N-C linkage. Azo dyes are synthetic dyes and do not occur naturally. Most azo dyes contain only...

dyed with azo dyes and pigments. Aryl azo compounds are usually stable, crystalline species. Azobenzene is the prototypical aromatic azo compound. It exists...

Red 9, Acid Red 27, Azorubin S, or C.I. 16185 is a modified red azo dye used as a food dye and to color cosmetics. The name was taken from amaranth grain...

a colored dye had two components, a chromophore which imparts color by absorbing light in the visible region (some examples are nitro, azo, quinoid groups)...

or Solvent Orange R) is an organic compound, typically classified as an azo dye. It is an intensely orange-red solid that is added to colorize waxes, oils...

Allura Red AC, also known as FD&C Red 40 or E129, is a red azo dye commonly used in food. It was developed in 1971 by the Allied Chemical Corporation...

dyes contains the azo group (R-N=N−R. Most azo dyes are not acid dyes, but many acid dyes are azo dyes. Many acid dyes of the azo type are red in color...

Aromatic azo compounds tend to be brightly colored due to their extended conjugated systems. Many are useful dyes (see azo dye). Important azo dyes include...

anthraquinone or azo groups. It is estimated that 85% of disperse dyes are azos or anthraquinone dyes. The history of disperse dye production is closely...

Tartrazine is a synthetic lemon yellow azo dye primarily used as a food coloring. It is also known as E number E102, C.I. 19140, FD&C Yellow 5, Yellow...