Potassium Perfluorooctane Sulfonate from China
Potassium perfluorooctane sulfonate (potassium PFOS) is a perfluorinated sulfonate salt used in specialty chemical applications. Classified under HTS 2904.35.00.00 as an 'other salt' of perfluorooctane sulfonic acid, fitting chapter 29 for halogenated sulfonated hydrocarbon derivatives.
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
• Comply with international PFOS bans; secure prior import notifications to EPA under SNUR (Significant New Use Rule)
• Label shipments with CAS number 2795-39-3 and full chemical identity to prevent customs holds
• Test for impurities; chapter excludes mixtures unless meeting stabilizer provisions in notes (f)-(g)