Used primarily in organic synthesis as a reagent for introducing the 2-bromo-4-nitrobenzenesulfonyl group into molecules. It is particularly valuable in the preparation of sulfonamides, which are important in pharmaceutical and agrochemical industries. The compound is also employed in the development of dyes and pigments due to its ability to modify the properties of organic molecules. Additionally, it serves as an intermediate in the synthesis of various specialty chemicals, including those used in research and development for creating new materials with specific functionalities.