p-Anisidine from Mexico
p-Anisidine (4-methoxyaniline) is used in dye manufacturing and as a corrosion inhibitor. Classified in HTS 2921.49.4500 as an aromatic monoamine derivative under additional U.S. note 3 to section VI.
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
• Submit NMR or GC-MS spectra verifying methoxy substitution pattern
• Check for Section 301 tariffs if sourced from China; consider country of melt/pour
• Label as toxic substance per DOT/IATA regulations for air/sea transport