Chemical Name : Trisodium 2-Hydroxy - 1-(4-Sulfonato 1 - Naphtylazo)- Naphtalene -6, & 8 - Disulfonate.
Ponceau 4R Application of food dyes :-
Tartrazine, Sunset Yellow, Carmoisine, Ponceau 4R, Amaranth, Allura Red, Brilliant Blue, Indigo Carmine, Erythrosine, Black PN, Red 2G, Brown HT, Patent Blue V, Quinoline Yellow.