Sodium Perfluorooctane Sulfonate from Japan
Sodium perfluorooctane sulfonate (Na-PFOS) serves as a surfactant intermediate with high surface activity due to its perfluoroalkyl chain. Under HTS 2904.35.00.00 as other PFOS salts, per chapter 29 for chemically defined sulfonated fluorohydrocarbons.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include Safety Data Sheets (SDS) and TSCA certifications; non-compliant shipments face seizure
• Confirm 98%+ purity to avoid reclassification as chapter 38 mixture
• Use correct CAS 29081-56-9; mislabeling leads to penalties