Perfluorooctane Sulfonamide Potassium Salt from Canada
The potassium salt form of perfluorooctane sulfonamide used in aqueous fluorosurfactant formulations. Classifies under HTS 2935.50.00.00 following the parent organic compound per Chapter note 4(C)(1).
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Specify counterion (K+) and assay content in COA to prevent salt misclassification
• Use HDPE containers with PFAS-compatible liners
• Include pH stability data (>12) for aqueous solutions