Hexamine Pharmaceutical Grade from Canada
High-purity hexamethylenetetramine (hexamine) meeting USP standards for urinary antiseptic formulations. Classified in 2933.69.5000 as a nitrogen-heterocyclic compound with triazine structure, not as a finished immunological product.
Duty Rate — Canada → United States
16.3%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• FDA Drug Master File reference required; declare as API (Active Pharmaceutical Ingredient)
• Provide pharmacopeia certificate (USP/EP) confirming heavy metals <10ppm
• Avoid retail packaging to prevent Chapter 30 finished dosage form classification