N-Butane Laboratory Solvent from Canada
N-butane gas 99.9% pure used as extraction solvent in analytical chemistry labs. Saturated acyclic hydrocarbon under HTS 2901.10.10.00 per Chapter 29 definitions. Supplied in lecture bottle cylinders.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Lab end-use letter required; small cylinder DOT exemption possible; avoid retail packaging that triggers consumer product rules