L-Aspartic Acid Monohydrate Powder from Canada
L-Aspartic acid in monohydrate crystalline form (C4H7NO4·H2O) for pharmaceutical and supplement applications. Remains classified under HTS 2922.49.49.15 as the hydrate doesn't alter its chemical definition as pure L-aspartic acid. The water of crystallization is incidental per Chapter 29 solvent notes.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6095.8%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Specify hydrate water content via Karl Fischer titration (<12%) to maintain pure compound status
• Use UN 3077 packaging for 1000kg+ bulk to meet DOT transport requirements
• Validate optical rotation [+24°] confirms L-isomer during customs exam