98% Pure Piperidine ACS Reagent Grade from China
ACS reagent grade piperidine (98% purity) meets American Chemical Society standards for laboratory use. Despite impurities, it remains classified as piperidine under Chapter Note 1(a) which includes compounds 'whether or not containing impurities'.
Duty Rate — China → United States
44%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Submit Certificate of Analysis showing piperidine content >95% to confirm principal classification
• Declare exact purity percentage and stabilizer content if present to avoid mixture classification
• Laboratory chemicals require proper DOT hazard class labeling (UN1922, Class 8)