Thiamine Mononitrate Powder from China
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 — China → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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