Used primarily as a derivatizing agent in organic synthesis, particularly in the protection of amines and alcohols during multi-step reactions. It reacts selectively with primary and secondary amines to form stable carbamate derivatives, which are useful in peptide synthesis and pharmaceutical manufacturing. Also employed in the preparation of active esters for coupling reactions. Its bulky aromatic structure enhances steric hindrance, improving selectivity in complex molecule assembly. Commonly applied in analytical chemistry to modify polar functional groups for better chromatographic separation, especially in HPLC and GC analysis. Additionally, it serves as an intermediate in the synthesis of dyes, agrochemicals, and certain specialty polymers.