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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
πŸ‡¨πŸ‡³China6.3%+35.0%41.3%
πŸ‡²πŸ‡½Mexico6.3%+10.0%16.3%
πŸ‡¨πŸ‡¦Canada6.3%+10.0%16.3%
πŸ‡©πŸ‡ͺGermany6.3%+10.0%16.3%
πŸ‡―πŸ‡΅Japan6.3%+10.0%16.3%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3824Lower: 15% vs 41.3%

If anti-caking >2% or multiple additives present

Chemical mixtures not meeting Chapter 29 purity exceptions go to 3824.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

β€’ Declare exact anti-caking percentage; >1% risks 3824 classification as mixture

β€’ Silica type (precipitated vs fumed) affects food contact approval status

β€’ Particle size distribution (90% through 20 mesh) important for resin blending

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.

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.

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.