</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

m-Phenylenediamine from Mexico

m-Phenylenediamine is an aromatic diamine used in epoxy resins, polyurethanes, and as a dye intermediate. This product is classified in HTS 2921.59.4000 because it matches chemicals described in additional U.S. note 3 to section VI.

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

Use CAS 108-45-2 in all documentation for precise identification and quota tracking

Test for isomer purity to distinguish from ortho/para forms with different subheadings

Prepare for potential EPA scrutiny on workplace handling requirements