Used as a versatile reagent in organic synthesis, particularly in the protection of hydroxyl groups during complex molecule assembly. It reacts selectively with diols to form cyclic siloxane derivatives, offering stability under various reaction conditions and allowing stepwise transformations in carbohydrate and nucleoside chemistry. Its bulky benzyl groups provide steric shielding, enhancing selectivity in multifunctional substrates. Easily removed under mild acidic conditions, it enables efficient deprotection without damaging sensitive functional groups. Also employed in the preparation of silica-based materials and as a cross-linking agent in specialty polymers.