The solid state route and molten salt synthesis method was successfully employed to synthesize Zn2SnO4 powder. ZnO and SnO2 were used as starting material. For molten salt synthesis NaCl-KCl salt system was used as reaction media. The different processing parameters e.g. salt quantity, heat treatment temperature, holding time were varied to study the phase formation. As synthesized powder sample was characterized using X-ray diffraction (XRD) which reveals the phase purity of zinc stannate synthesized from solid state route while a few percentage of phase formation has occurred in molten salt synthesis method. The particle size and morphology of the zinc stannate powder was studied using FESEM and particle size analyzer. The optical property was studied using UV-visible spectroscopy
