Chrysoine resorcinol is a synthetic azo dye which was formerly used as a food additive.
[citation needed] In Europe, it was banned as a food additive in 1977.
In colorimetry, it has an absorption maximum of 387 nm.
Acid orange 6 can be synthesised via the azo coupling of sulfanilic acid and resorcinol,
This article about an organic compound is a stub.