Used primarily as a derivatizing agent in organic synthesis, particularly in the preparation of carbamates and esters. It reacts selectively with amines and alcohols, making it valuable in peptide synthesis and protection group chemistry. Commonly employed in the pharmaceutical industry to modify active compounds for improved stability or solubility. Also utilized in the synthesis of agrochemicals and specialty polymers due to its ability to introduce phenoxyethyl functionalities. Its reactivity allows for controlled transformations under mild conditions, which is advantageous in multi-step synthetic routes.