Piperazine Anhydrous from China
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 — China → United States
112.5%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
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