Direct Red 23 is widely used as a dye in the textile industry, particularly for coloring cotton and other cellulosic fibers such as linen. Its strong affinity for these materials ensures vibrant and long-lasting color. It is also used in fabric printing to create patterns and designs. Additionally, it is employed in paper manufacturing to impart red hues to various paper products. In biological and histological studies, it serves as a staining agent to highlight specific structures under microscopic examination. Its water-soluble nature makes it suitable for applications requiring even dye distribution and ease of use in aqueous solutions.