USP Grade Lithium Carbonate Powder from Canada
High-purity lithium carbonate (Li2CO3) meeting United States Pharmacopeia (USP) standards for use in pharmaceutical manufacturing. Classified under HTS 2836.91.0010 as a USP grade lithium carbonate, which is a carbonate of an inorganic base per Chapter 28 notes, specifically excluded from other chapters like organo-inorganic compounds.
Duty Rate — Canada → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Verify USP certificate of analysis from supplier to confirm compliance with pharmacopeia standards
• Include detailed purity documentation (e.g
• >99.5% Li2CO3) to avoid reclassification
• Watch for moisture content labels as it affects stability during shipping