Azocal A is primarily used as a dye in various industrial applications, particularly in the textile industry for coloring fabrics. Its vibrant and stable color properties make it suitable for dyeing natural and synthetic fibers, ensuring long-lasting and fade-resistant results. Additionally, it is employed in the production of inks and coatings, where it provides consistent and bright coloration. In research and laboratory settings, Azocal A is utilized as a pH indicator due to its ability to change color in response to varying pH levels and in analytical chemistry for the determination of calcium through the formation of a colored complex suitable for spectrophotometric analysis. Its versatility and effectiveness in coloring and analytical applications make it a valuable component in manufacturing and scientific processes.