4-Phenylenediamine (PPD) from Mexico
4-Phenylenediamine, a diamino derivative of aniline, is classified under HTS 2921.42.90.00 as an aromatic monoamine derivative. Widely used in rubber antioxidants, dyes, and photographic chemicals.
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
• Extremely toxic; requires proper Hazard Class 6.1 PG II labeling and UN 1673
• Technical grade 97%+ purity needed; lower grades may classify as mixtures
• Provide end-use statement to avoid anti-dumping scrutiny on Chinese material