p-Phenylenediamine from Mexico
p-Phenylenediamine is an aromatic diamine used primarily as an intermediate in the production of polymers, dyes, and rubber antioxidants. It falls under HTS 2921.59.4000 as an aromatic polyamine derivative listed in additional U.S. note 3 to section VI, which specifies certain organic chemicals subject to quantitative limitations.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Verify inclusion in additional U.S. note 3 to section VI and monitor quota availability through Census Bureau reports
• Provide detailed chemical purity certificates and CAS number (106-50-3) documentation to confirm classification
• Avoid misclassification as a dye intermediate under Chapter 32 by emphasizing its amine-function primary use