Acid Yellow 23 - C.I.19140 - CAS 1934-21-0 - Acid Yellow N - Acid Tartrazine Application: Food color, ink, pond dyes, textiles, etc. It also offers great color to a variety of detergent and cleaner applications. The powder is widely used in industries like leather, paper, fiber, wood, textile dyestuff, etc. We make available our powder in safe packaging of the best quantities. Moreover, we make available our product at the most affordable price. The minimum order quantity of the product is 100kg. We make sure to deliver the orders well on time at the required destination.