Triphenylsilane is widely used as a reducing agent in organic synthesis, particularly in the reduction of carbonyl compounds, such as ketones and aldehydes, to their corresponding alcohols. It is also employed in the preparation of silicon-containing polymers and resins, where it acts as a key intermediate. In the field of materials science, it serves as a precursor for the synthesis of silicon-based coatings and films, which are valued for their thermal stability and electrical insulation properties. Additionally, it finds application in the production of specialty chemicals, including silane coupling agents, which enhance the adhesion between organic and inorganic materials in composites. Its role in hydrosilylation reactions further extends its utility in the manufacture of silicones and other organosilicon compounds.