m-Phenylenediamine (m-PDA) from Mexico
m-Phenylenediamine is an aromatic meta-diamine used in epoxy resin hardeners and polyimide films. It is an 'other' phenylenediamine under HTS 2921.51.5000, as a separate chemically defined compound in this amine-function heading.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
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
• Electronics grade requires low metal impurities certification
• Store under nitrogen; oxidation products may alter classification
• Confirm not mixed isomer batch qualifying as 3824 mixture