Thiamine Mononitrate Powder from Mexico
Thiamine mononitrate is a stable, non-hygroscopic derivative of vitamin B1 widely used in food fortification and multivitamin supplements. Classified under HTS 2936.22.00.00 as a synthetic vitamin B1 derivative for nutritional purposes. Its superior stability makes it ideal for flour enrichment and dry premixes.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%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
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Provide FDA GRAS affirmation documentation for food-grade imports to expedite clearance
• Ensure packaging prevents moisture absorption, as degradation affects customs purity testing
• Declare exact potency (mg/g) on commercial invoice to match CoA specifications