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
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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)