Ammonium Perfluorooctane Sulfonate Aqueous Solution 50% from Mexico
50% APFOS dissolved in water, classified under HTS 2904.32.00.00 per Chapter 29 note (d) for chemically defined organic compounds in aqueous solution. The water serves as solvent without specific use adaptation.
Duty Rate — Mexico → United States
13.7%
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
• Confirm solution concentration via HPLC analysis; use DOT-approved containers for aqueous fluorochemicals; monitor for precipitation during storage/transport