Used as a silylating agent in organic synthesis, particularly for the protection of alcohols. It reacts with hydroxyl groups, typically under catalytic conditions, to form stable trimethylsilyl ethers, shielding them from unwanted reactions during synthesis. Commonly employed in the synthesis of complex molecules, such as pharmaceuticals and natural products, where selective protection is required. Also utilized in the preparation of silicon-based materials and coatings, enhancing their stability and performance. Acts as a reagent in the modification of surfaces, improving adhesion and water repellency in various industrial applications, including electronics.