New

Ask Wove anything about tariffs.

Try Tariff Assistant

High Purity Tetraethylene Pentamine 99% from Mexico

99% pure TEPA meets strict chemically defined compound criteria of HTS 2921.29.0010 for acyclic polyamines. Essential for pharmaceutical intermediates and high-performance epoxy systems.

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

• Include third-party purity certificates (HPLC/GC) essential for pharmaceutical intermediate imports

• Comply with FDA import alerts for amine compounds used in drug synthesis