Used as a key intermediate in the synthesis of various organic compounds, particularly in the development of dyes and pigments. It is also employed in the preparation of sulfonamide derivatives, which have applications in pharmaceuticals and agrochemicals. The compound’s reactive sulfonyl chloride group makes it valuable for introducing sulfonyl functionalities into target molecules, enhancing their properties for specific industrial or research purposes. Additionally, it is utilized in the creation of fluorescent probes and sensors due to its nitro group, which can influence electronic properties and light absorption.