4-Aminoacetophenone from Mexico
4-Aminoacetophenone is an aromatic amino-ketone compound with the formula C6H4(NH2)COCH3, featuring a single ketone oxygen function and an amino group. It falls under HTS 2922.39.2500 as an aromatic amino-ketone other than those with multiple oxygen functions, and is subject to additional U.S. note 3 to section VI for specific chemical import tracking. Commonly used as an intermediate in pharmaceutical and dye synthesis.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%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
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify purity certificate and CAS number (122-80-5) match import declaration; ensure SDS includes handling for sensitizing properties
• Common pitfall: misclassifying as non-aromatic if ring substitution unclear
• Register with CBP for note 3 chemicals if volume exceeds thresholds