Acid yellow 17

Acid Yellow 17 (CAS 6359-98-4) is a synthetic azo dye registered under E107 and classified as CI 18965, also known as Yellow 2G. It carries EC number 228-819-0 and the molecular formula C16H12Cl2N4O7S2.2Na, placing it within the disodium salt category of sulfonated azo colorants.

In food applications, Acid Yellow 17 imparts a greenish-yellow hue to beverages and confectionery by absorbing light in the blue-violet spectrum, producing stable coloration across a range of pH conditions. In textile and leather processing, it bonds to protein and polyamide fibers under acidic dyebath conditions, delivering consistent shade depth with good wash fastness.

Acid Yellow 17 is supplied as a yellow powder or crystal and is subject to REACH registration requirements within the EU. Food-grade material conforms to E107 purity specifications as defined by EU colorant regulations. Standard packaging formats for B2B supply include 25 kg fiber drums or bags.