6-Hydroxy-5-[2-(2-methoxy-5-methyl-4-sulfophenyl)diazenyl]-2-naphthalenesulfonic Acid Sodium Salt; 6-Hydroxy-5-[(6-methoxy-4-sulfo-m-tolyl)azo]-2-|naphthalenesulfonic Acid Disodium Salt; Allura Red 40; Allura Red; C.I. Food Red 17; E 129; FD&C Red No. 40; FDC Red 40; FDC Red 40 dye; Fancy Red; Food Red 17; Food Red No. 17; Food Red No. 40; Japan Food Red No. 40;

Color additive in foods, drugs and cosmetics. It is used as a food dye and has the E number E129. The study found increased levels of hyperactivity and attention deficit hyperactivity disorder and lower IQs were observed in children consuming the chemicals. It is banned in Denmark, Belgium, France, Switzerland, Sweden.