Dioxolane Solvent Grade from Canada
1,3-Dioxolane is a five-membered heterocyclic ring with two oxygen hetero-atoms, used as a solvent in polymer and adhesive industries. Classified under HTS 2932.99.90 as 'other' heterocyclic compounds with oxygen hetero-atoms only. Excluded from epoxides or other specific ring structures noted in Chapter 29.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide NMR or GC-MS analysis confirming heterocyclic structure to distinguish from acetal mixtures potentially classifiable elsewhere
• Declare exact purity (>99%) to avoid treatment as impure mixtures under Chapter 29 note (a)