98% Pure Piperidine ACS Reagent Grade from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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)