Used as a key intermediate in the synthesis of various benzothiazole derivatives, which are important in the development of pharmaceuticals and agrochemicals. It is particularly valuable in creating compounds with potential antimicrobial, antifungal, and anti-inflammatory properties. Additionally, it plays a role in the production of dyes and pigments due to its ability to form stable, colored complexes. In material science, it is utilized in the preparation of polymers and coatings that require enhanced durability and resistance to environmental factors. Its reactive carbonyl chloride group makes it a versatile reagent in organic synthesis, facilitating the introduction of the benzothiazole moiety into diverse chemical structures.