Trioxane from Japan
1,3,5-Trioxane is a six-membered heterocyclic ring with three oxygen hetero-atoms, classified under HTS 2932.99.70.00. Used as fuel tablets and formaldehyde source.
Duty Rate — Japan → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Verify not in fuel tablet form (chapter note i exclusion to heading 3606)
• Formaldehyde content declaration required for safety
• Sublimation risk during transport; include temperature control documentation