Piperazine Anhydrous from Canada
Piperazine, a six-membered heterocyclic ring with two nitrogen hetero-atoms, fully saturated but considered modified aromatic. Classified 2933.99.8290 as other heterocyclic N compounds. Used as anthelmintic and chemical intermediate.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include hygroscopic handling instructions and stability data
• Specify adipate/citrate salt forms if applicable
• TSCA premanufacture notification may be required for new uses