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Specifications
| Description: | Yellow to gold to orange powder |
| Pure dye content (percent by mass): | 85% min |
| Identification: | Passes test |
| Sum of volatile matter at 135°C (as sodium salt, percent by mass): | 15% max |
| Solubility (1 mg/mL, H2O): | Clear to slightly hazy, yellow solution |
Applications
Quinoline Yellow is a synthetic yellow dye widely used in the food, cosmetic, pharmaceutical, and industrial sectors. In the food industry, it is employed as a colorant for beverages, confectionery, bakery products, sauces, and dairy items to provide vibrant yellow hues. In cosmetics and personal care products, Quinoline Yellow is added to lipsticks, creams, shampoos, and soaps to enhance visual appeal. In pharmaceuticals, it is used as a color additive in tablets, capsules, and liquid formulations to improve identification and consumer acceptance. Industrially, it serves in ink, paint, and polymer coloring, offering stable and bright pigmentation. Its water-soluble and dispersible properties make it suitable for both aqueous and non-aqueous formulations.
Benefits
The benefits of Quinoline Yellow lie in its vivid color, stability, and versatility. It provides a consistent, bright yellow shade that is highly visible even at low concentrations. The dye exhibits good light, heat, and pH stability, making it suitable for a wide range of processing conditions in food, cosmetic, and pharmaceutical applications. Its solubility and compatibility with various formulation bases allow for uniform dispersion, ensuring consistent coloration and appearance. Additionally, it is relatively non-toxic and approved for use in regulated products, making it a safe choice for human consumption and topical application. Quinoline Yellow also allows blending with other dyes to create custom shades, increasing flexibility for product design and branding.
Conclusion
Quinoline Yellow (CAS 8004-92-0) is a versatile synthetic dye with applications across food, cosmetics, pharmaceuticals, and industrial products. Its bright, stable, and easily dispersible characteristics make it ideal for enhancing visual appeal and product differentiation. By combining consistent performance with regulatory safety, Quinoline Yellow remains a widely utilized and reliable colorant in modern manufacturing and formulation.

