Used as a versatile intermediate in organic synthesis, particularly for the preparation of sulfonamide derivatives. It plays a key role in the development of pharmaceuticals, enabling the creation of compounds with potential antibacterial, antiviral, or anticancer properties. Additionally, it is employed in the synthesis of dyes and pigments, contributing to the production of colorants for various industrial applications. Its reactivity with amines and other nucleophiles makes it valuable in modifying molecules to enhance their biological activity or functional properties.