Anhydrous Dipotassium Carbonate 99% Purity from Mexico
High-purity anhydrous dipotassium carbonate at 99% K2CO3 content, used in pharmaceutical intermediates and specialty chemicals. Classified under HTS 2836.40.10.00 as a specific potassium carbonate compound meeting Chapter 28 definitions for inorganic bases. Supplied in sealed drums to prevent absorption of atmospheric moisture.
Duty Rate — Mexico → United States
11.9%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Obtain Certificate of Analysis (CoA) proving 99% purity to distinguish from lower-grade carbonates
• Label as 'chemically defined' per subheading note; ensure no organic stabilizers which could shift to 2831
• Comply with TSCA registration for chemical imports; declare exact CAS number 584-08-7