1,3-Dioxolane from Mexico
1,3-Dioxolane is a five-membered cyclic acetal with two oxygen hetero-atoms, classified under HTS 2932.99.70.00. Used in battery electrolytes and polymer synthesis.
Duty Rate — Mexico → 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
9903.05.5510%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
• Peroxide formation risk; include negative peroxide test
• Electrolyte-grade requires low water content (<50 ppm)
• Acetal stability data recommended for transport