Allura Red AC is a red
azo dye that goes by several names including:
Allura Red,
Food Red 17,
C.I. 16035, and
FD&C Red 40. It is used as a food dye and has the
E number E129. Allura Red AC was originally introduced in the
United States as a replacement for the use of
amaranth as a
food coloring.