m-Phenylenediamine (m-PDA) from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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