Triphenyltin hydride is primarily used in organic synthesis as a reducing agent. It is particularly effective in the reduction of organic halides to their corresponding hydrocarbons, a process crucial in the production of various organic compounds. Additionally, it plays a significant role in the synthesis of organotin compounds, which are widely used as stabilizers in PVC plastics to prevent degradation from heat and light. In the field of agriculture, triphenyltin hydride derivatives are utilized as fungicides and pesticides, protecting crops from fungal infections and pest infestations. Its application in these areas helps enhance the durability of materials and the productivity of agricultural practices. However, it should be used with caution due to potential impacts on the environment and human health.