In the structure of the title compound, C(11)H(12)N(2)O(6), the mol-ecules are stacked along the b axis without any π-π inter-actions. The stacked columns are linked together by non-classical inter-molecular C-H⋯O inter-actions,. In the molecule, the nitro groups make dihedral angles of 9.4 (5) and 10.3 (5)° with the benzene ring.