Phenylarsonic Acid from Japan
Phenylarsonic acid (C6H5AsO3H2) is an aromatic organoarsenic acid with direct As-C linkage. It is classified under HTS 2931.90.90.40 as other organo-inorganic compounds. Applied in pharmaceutical synthesis and veterinary feed additives.
Duty Rate — Japan → United States
23.8%
Rate breakdown
9903.04.6211.3%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• FDA prior approval for animal drug use; include batch analysis showing >98% purity
• Avoid bulk mixtures to prevent 3824 reclassification