The Sn atom of the title compound, [Sn(C(6)H(5))(2)(C(11)H(11)NO(4))], adopts a distorted SnNC(2)O(2) trigonal-bipyramidal geometry with the O atoms in the axial positions. The metal atom forms five- and six-membered chelate rings with the O,N,O'-tridentate ligand.