98% Pure Piperidine ACS Reagent Grade from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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)