Acid Orange 142 - CAS No. 61901-39-1 - Acid Orange MRL Application: Leather Finishing, Wood stains, and Textile Dyeing. It is applicable to Polyamides and other coloration as well. 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.