Citrus Red 2 (Citrus Red 2, E121) - agba agba nri. Usoro kemịkalụ C18H16N2O3.
ntụ ntụ bụ odo ruo oroma na agba ma ọ bụ ọbara ọbara gbara ọchịchịrị, na-agbaze 156 Celsius. Na-adịghị ike na mmiri, ma mfe soluble na ọtụtụ organic solvents.
Dị ka ihe mgbakwunye nri, Citrus Red 2 ejirila nkwado FDA na United States kemgbe 1956 na-agba agba nke ụfọdụ oranges Florida. Amachibidoro iji na obodo anyị.