Citrus Red 2 (Citrus Red 2, E121) - utoto wopangira chakudya. Chemical formula C18H16N2O3.
Ufawu ndi wachikasu mpaka lalanje mumtundu kapena wofiira wakuda, ndi malo osungunuka a 156 °C. Insoluble m'madzi, koma mosavuta sungunuka zambiri organic solvents.
Monga chowonjezera pazakudya, Citrus Red 2 yakhala ikugwiritsidwa ntchito ndi chilolezo cha FDA ku United States kuyambira 1956 kukongoletsa mapeyala a malalanje aku Florida. Zoletsedwa kugwiritsidwa ntchito mdziko lathu.