Synonyms: CI Food Yellow 4, TARTRAZINE
Defination: Tartrazine consists essentially of trisodium \n5-hydroxy-1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-H-pyrazole-3-carboxylate\n and subsidiary colouring matters together with sodium chloride and/or sodium \nsulfate as the principal uncoloured components. Tartrazine is described\n as the sodium salt.
Color Index: 19140
Chemical Name: Trisodium-5-hydroxy-1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-Hpyrazole-3-carboxylate
Chemical Formula: C16H9N4Na3O9S2
Molecular Weight: 534,37