This chemical is primarily used in organic synthesis as a protecting group for alcohols and phenols. Its silicon-based structure allows it to temporarily shield hydroxyl groups during complex reactions, preventing unwanted interactions. It is particularly useful in the synthesis of pharmaceuticals and fine chemicals, where selective protection and deprotection of functional groups are crucial. Additionally, it serves as an intermediate in the preparation of more complex organosilicon compounds, which are often employed in materials science and catalysis. The iodine atom in its structure also makes it a valuable building block for further functionalization through cross-coupling reactions, such as Suzuki or Sonogashira couplings.