Grade AZO 66USP is an extremely high purity bright white zinc oxide produced from zinc metal following Food and Drug Administration’s Good Manufacturing Practices. AZO 66USP has been developed to meet the highest standards of chemical purity and physical quality required to meet all the requirements of THE UNITED STATES PHARMACOPOEIA. This grade can be used in pharmaceutical, cosmetic, ointment, can lacquer, and other applications specifying USP quality. It is recommended for industrial and research uses that demand the ultimate in purity and uniformity.