... %:20.5 min 3,GB535-1995 4,prompt shipment Ammonium Sulphate(ammonia sulphate) General informationClass ,Fertilizer /inorganic salt Molecular formula ,(NH4)2SO4Molecular weight , 132 ... chemical industry,it is for raw material in making oxydol,ammonium-alum and ammonium chlorde4.In welding industry,used for welding agent Ammonium Sulphate fertilizer