N-(2-Aminoethyl)propane-1,3-diamine from Canada
This triamine combines propane and ethylene diamine units, used in chelating agents and resin curing. As an acyclic polyamine derivative not specifically provided for, it belongs in HTS 2921.29.00.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Complex structure requires unambiguous IUPAC naming; purity >98% typical; custom synthesis declarations helpful