p-Aminoacetophenone Hydrochloride from Japan
p-Aminoacetophenone hydrochloride is the salt of an aromatic amino-ketone, classified under HTS 2922.39.2500 per chapter note classifying salts with the parent organic compound. It features a single ketone oxygen function and is listed under additional U.S. note 3. Primarily used in organic synthesis for dyes and pharmaceuticals.
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%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
• Include salt formation proof in technical file; ensure pH/stability data for customs valuation
• Pitfall: declaring separately from acid/phenol salts—chapter note mandates with organic base/acid last in order