Used extensively as a blue dye in the textile industry for coloring fabrics, ensuring vibrant and long-lasting hues. Applied in ink formulations for printing, providing consistent and high-quality color output. Utilized in the paper industry to enhance the visual appeal of colored papers. Incorporated into coatings and paints to achieve durable and stable blue shades. Employed in biological staining for microscopy, aiding in the visualization of cellular structures. Also used in the production of colored plastics, contributing to the aesthetic and functional properties of plastic products.