Crystal structure of N-(2-hy­droxy­eth­yl)-5-nitro­isophthalamic acid monohydrate

In the title compound, C₁₀H₁₀N₂O₆·H₂O, the carb­oxy­lic acid group and the nitro group are essentially coplanar with the benzene ring [maximum deviation = 0.0264 (9) Å], while the amide group is oriented at a dihedral angle of 9.22 (5)° with respect to the benzene ring. In the crystal, classical O—H...O and N—H...O hydrogen bonds and weak C—H...O inter­actions link the organic mol­ecules and water mol­ecules of crystallization into a three-dimensional supra­molecular architecture.