Acid Red 289 is primarily used as a dye in the textile industry for coloring synthetic fibers such as nylon and polyester. Its vibrant red hue makes it suitable for creating bright and long-lasting colors in fabrics. Additionally, it is employed in the paper industry for dyeing paper products, providing consistent and durable coloration. In the field of inks, Acid Red 289 is utilized for manufacturing printing inks, especially for applications requiring high color intensity and stability. It is also used in some cosmetic products, such as hair dyes and nail polishes, to achieve specific shades. The dye’s ability to resist fading and maintain color under various conditions makes it a preferred choice in these applications.