p-Aminoacetophenone Hydrochloride from China
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 — China → United States
31.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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