Acid Yellow 3

Acid Yellow 3 (CAS 8004-92-0), also known as Quinoline Yellow and approved as E104, is a synthetic quinoline-based dye used to impart bright greenish-yellow coloration.

Where is Acid Yellow 3 used?

• Textile and leather: applied to protein and polyamide fibers such as wool, silk, and nylon
• Ink and printing: vivid yellow tones in water-based inks for packaging and commercial print runs
• Plastics: incorporated into polymer matrices for surface coloration or mass pigmentation of films and molded parts
• As E104 it is permitted in certain food, beverage, and cosmetic applications.

Good to know: Purity levels and solubility profiles vary by grade; buyers should confirm specification alignment with their application requirements. Food-grade material conforms to E104 specifications, while technical-grade product serves industrial dyeing and ink formulation.

Commercial specifications

• Water-soluble grades standard for textile and food-contact applications