1,3-Dioxolane from Canada
1,3-Dioxolane is a cyclic acetal with two oxygen hetero-atoms in a five-membered ring, falling under HTS 2932.99.61.00 as specified in additional U.S. note 3. Used in polymer production and adhesives.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Verify acetal stability with peroxide inhibitor documentation
• Classify as UN2371 flammable liquid for transport
• Provide polymerization hazard warnings on shipping documents