Solvent Red 197 is primarily used as a dye in various industrial applications. It is commonly employed in the coloring of plastics, resins, and synthetic fibers, providing a vibrant red hue to the final products. The dye is also utilized in the manufacturing of inks, particularly for printing on non-porous surfaces like plastics and metals. Additionally, Solvent Red 197 finds application in the automotive industry for tinting fuels and lubricants, aiding in the identification and differentiation of various fluid types. Its stability and solubility in organic solvents make it a preferred choice for these purposes.