N-(2-Aminoethyl)piperazine from Canada
This compound features both primary amine and secondary amine functions within a piperazine ring structure, falling under HTS 2929.90.50.95 as 'other nitrogen function'. Used in epoxy curing and polyamide production.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6093.5%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• CAS 140-31-8; include structural diagram showing both nitrogen functions
• Corrosive (pH 12+); UN 2815 classification requires specific packaging
• Piperazine ring doesn't make it heterocyclic per exclusion notes; remains acyclic nitrogen compound