Trimethylamine N-Oxide Dihydrate from Canada
Trimethylamine N-oxide dihydrate (TMAO) from seafood processing or synthesis, used as preservative and stabilizer. As trimethylamine derivative, potentially HTS 2921.11.00.00 but typically amine oxides elsewhere—precise for salts.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Distinguish synthetic vs natural origin docs; stabilizer declaration per note (f)