Trimethylamine Hydrochloride from Mexico
Trimethylamine hydrochloride is the crystalline salt of trimethylamine, widely used in choline synthesis for animal feed additives and pharmaceuticals. It is squarely under HTS 2921.11.00.00 as a trimethylamine salt, a chemically defined acyclic monoamine derivative. Chapter notes confirm inclusion of salts without exclusions applying.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include stabilizer declaration if present, per Chapter note (f), but ensure not for specific use; CAS 593-81-7 verification needed
• Pitfall: bulk shipments misdeclared as Chapter 27 hydrocarbons