Technical Grade Tetraethylene Pentamine 95% from Mexico
Technical grade TEPA at 95% purity contains minor impurities but remains a separate chemically defined acyclic polyamine under HTS 2921.29.0010 per Chapter 29 note (a). Used in epoxy resin hardeners and chelating agents.
Duty Rate — Mexico → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Submit assay reports showing >90% TEPA content to distinguish from mixtures classifiable in Chapter 38
• Label containers with UN 2261 hazardous classification and include stabilizer declarations if present