Di(hexamethylene)triamine Dihydrochloride from Mexico
A derivative polyamine salt from hexamethylenediamine used in fuel additives and chelating agents. Falls under HTS 2921.22.5000 as 'other' acyclic polyamine derivatives and salts. Molecular weight approximately 266 g/mol.
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
• Submit NMR or HPLC chromatograms verifying polyamine structure and purity
• Classify as UN 3267 corrosive solid; ensure proper DOT shipping papers
• Distinguish from commercial fuel additives to avoid Chapter 27 or 38 reclassification