C2H4CO2NH

Succinimide Suc`cin*im"ide, n. (Chem.) A white crystalline nitrogenous substance, {C2H4.(CO)2.NH}, obtained by treating succinic anhydride with ammonia gas. It is a typical imido acid, and forms a series of salts. See {Imido acid}, under {Imido}. [1913 Webster]