Phenylarsonic Acid from China
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 — China → United States
137.5%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0425%Except as provided in headings 9903.88.33, 9903.88.34, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(g) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(g)
Import Tips
• FDA prior approval for animal drug use; include batch analysis showing >98% purity
• Avoid bulk mixtures to prevent 3824 reclassification