Used as a silylating agent in organic synthesis, particularly in the protection of hydroxyl and amino groups during multi-step reactions. Its primary application is in the pharmaceutical and agrochemical industries, where selective protection and deprotection steps are critical. The dimethylamino group enhances reactivity and influences the kinetics of silylation, making it suitable for use under mild conditions. It is also employed in the preparation of silicon-based polymers and surface modifiers for chromatographic materials, improving hydrophobicity and thermal stability. Due to its volatility and reactivity, it is effective in gas-phase derivatization for analytical applications such as mass spectrometry.