A new organotin heterocyclicdicarboxylate [(nBu3Sn)2(2,5-pdc)]∞was synthesized by the reaction of [(nBu)3Sn]2 O with 2,5- pyridinedicarboxylate. Complexe has been characterized by elemental,IR,1H NMR analyses and X-ray crystallographic diffraction analyses. This complex has a 2D network structure.