Azo Blue is widely used as a dye in various industries due to its vibrant color and stability. In the textile industry, it is applied to fabrics to achieve deep, long-lasting blue hues. It is also utilized in the paper industry for coloring papers and cardboard, providing consistent and bright shades. Additionally, Azo Blue finds application in biological staining, where it helps in highlighting specific structures under microscopic examination. Its ability to bond effectively with materials makes it a preferred choice in manufacturing inks and coatings, ensuring durability and resistance to fading.