Butynediol Butyl Ether from Canada
2-Butynediol monobutyl ether retains one free OH and one butyl ether on dihydric butynediol. Acyclic ether-alcohol of polyhydric alcohol for HTS 2909.19.60.00. Specialty intermediate with acetylenic functionality.
Duty Rate — Canada → United States
15.5%
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
• Triple bond hydrogenation stability testing required
• Reactive intermediate; inhibitor specification needed
• Copper stabilization for acetylenic alcohols