Potassium Perfluorooctane Sulfonate from China
Potassium salt of perfluorooctane sulfonic acid, a chemically defined organic compound with sulfonate functionality. Classified under HTS 2904.31.00.00 per Chapter 29 note on inorganic salts of organic acids staying with the parent compound. Used in specialty chemical manufacturing.
Duty Rate — China → United States
38.7%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Provide salt composition analysis and confirm organic acid parent structure for classification
• Check Stockholm Convention import bans; many countries restrict PFOS salts entirely
• Label with GHS hazard pictograms for corrosive and aquatic toxicity hazards