C.I. Food Red 17; Allura red AC dye; Allura?Red AC; disodium (5E)-5-[(2-methoxy-5-methyl-4-sulfonatophenyl)hydrazono]-6-oxo-5,6-dihydronaphthalene-2-sulfonate; disodium 6-hydroxy-5-[(E)-(2-methoxy-5-methyl-4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate