CathayPure Red Iron Oxide R2135-1 is a fine red iron oxide pigment of exceptionally high chemical purity. It is produced by a strictly controlled manufacturing process. We guarantee this high purity material conforms to the requirements of EC food legislation (E172, EC-Directive 231/2012). Apart from the requirements in this EC directive, this product also fulfills the purity requirements of FDA regulations (title 21 section 73), which permits its use as an additive for food contact polymers, pharmaceuticals, and cosmetics.