Kevicid Yellow 2G has the appearance of yellow powder and is water-soluble. It's a yellow azo dye that's been synthesized. This is a yellow azo dye that is synthesized. Food coloring is made with it. It appears to trigger allergic or intolerance reactions, especially in aspirin-intolerant people and asthmatics. Our Kevicid Yellow 2G is easy to use, free-flowing, viscosity-stable pigment concentrations for architectural, home, and other applications. This is a bright yellow with great color strength, light fastness, and heat resistance.