Primarily used as a reagent in organic synthesis, it plays a significant role in the preparation of sulfonated compounds. Its application extends to the field of dyes and pigments, where it aids in the synthesis of complex colorants. Additionally, it serves as a catalyst in certain chemical reactions, enhancing the efficiency of the process. In analytical chemistry, it is utilized for the detection and quantification of specific substances, providing accurate results. Its stability and reactivity make it a valuable component in various industrial and laboratory settings.