Trioxane from Germany
1,3,5-Trioxane is a cyclic trimer of formaldehyde used as fuel tablet component and chemical intermediate, qualifying as cyclic polymer of aldehyde per heading 2912 scope. Classified HTS 2912.49.90.00 as other aldehyde-oxygen compound. Chemically defined heterocyclic structure.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Melting point (62°C) and cyclic structure confirmation via DSC/NMR
• UN 1166 classification for flammable solid transport
• Purity certificate excluding polymer impurities >2%