This chemical is primarily used as a fluorescent whitening agent in various industries. It is commonly applied in the textile industry to enhance the brightness and whiteness of fabrics, particularly cotton and synthetic fibers. The compound works by absorbing ultraviolet light and re-emitting it as visible blue light, which counteracts the yellowish tint of materials, making them appear whiter and brighter.

In the paper industry, it is utilized to improve the visual appeal of paper products, such as printing paper, packaging materials, and tissues. The chemical helps achieve a high level of whiteness, which is often desirable for aesthetic and functional purposes.

Additionally, it finds application in detergents and laundry products, where it acts as a brightening agent to maintain the whiteness of clothes over repeated washes. Its ability to bind to fabrics ensures long-lasting effects, even after multiple wash cycles.

In the plastics industry, it is used to enhance the appearance of plastic products by providing a bright, white finish. This is particularly useful for items like plastic containers, films, and molded parts where visual quality is important.

Overall, its role as a fluorescent whitening agent makes it a valuable component in industries where achieving and maintaining a bright, white appearance is crucial.