Di(hexamethylene)triamine Dihydrochloride from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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