Hexamine Pharmaceutical Grade
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If put up in measured doses for direct medicinal use
Immunological products or medicaments in dosage form excluded from Chapter 29.
If diagnostic reagents containing antibodies
Chapter 29 excludes certain biochemical diagnostic products.
If structurally reclassified without clear triazine identification
Other heterocyclic oxygen compounds if oxygen functions predominate.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• 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
Related Products under HTS 2933.69.50.00
Hexamethylenetetramine Powder
Pure hexamethylenetetramine (urotropin) in powdered form, a heterocyclic compound with an unfused triazine ring structure, classified under HTS 2933.69.5000 as it matches the chemical definition in the heading. Used primarily as a chemical intermediate and reagent.
Urotropin Industrial Grade
Industrial-grade hexamethylenetetramine, chemically C6H12N4, used in phenolic resin production and as a catalyst. Falls under 2933.69.5000 due to its specific triazine ring structure as a separate chemically defined compound.
Hexamethylenetetramine Flake Form
Hexamethylenetetramine produced in translucent flake form for easier handling in resin manufacturing. Remains under HTS 2933.69.5000 as physical form doesn't change its chemical classification as a triazine compound.
Stabilized Hexamine for Explosives
Hexamethylenetetramine with 0.1% acid stabilizer for safe transport in RDX/hexogen production. Classified 2933.69.5000 per Chapter 29 note (f) allowing stabilizers necessary for preservation.
Technical Grade Urotropin 99%
99% pure technical grade urotropin for rubber vulcanization accelerator systems. HTS 2933.69.5000 classification due to specific chemical identity as hexamethylenetetramine with triazine ring.
Hexamethylenetetramine with Anti-Caking Agent
Hexamine powder treated with 0.15% silica anti-caking agent for free-flowing properties. Allowed under HTS 2933.69.5000 per Chapter 29 note (f) as stabilizer necessary for transport.