Trioxane from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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