Tetraethylenepentamine (TEPA) from Japan
Tetraethylenepentamine is a higher acyclic polyamine (H2N(CH2CH2NH)4H) used in oilfield chemicals and asphalt modification. HTS 2921.29.00 captures it as 'other' acyclic polyamine.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Specify molecular weight distribution; technical grade common; ensure no cyclic impurities affecting classification