Trichloro(phenyl)silane is widely used in the chemical industry as a key intermediate for the synthesis of various organosilicon compounds. It is particularly valuable in the production of silicone resins, which are utilized in coatings, adhesives, and sealants due to their heat resistance and durability. Additionally, it serves as a surface modifier in the treatment of glass, metals, and ceramics to enhance adhesion and water repellency. In the electronics industry, it is employed in the manufacture of semiconductors and as a coupling agent to improve the bonding between organic and inorganic materials. Its applications also extend to the pharmaceutical sector, where it is used in the synthesis of certain drug molecules.