Perfluoro-N-methyl-octanesulfonamide Technical Grade from Mexico
Technical grade N-methyl perfluorooctane sulfonamide contains minimal impurities while remaining a separate chemically defined compound. It qualifies for HTS 2935.10.00.00 under Chapter 29 provisions allowing impurities in chemically defined organic compounds.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit assay reports showing >95% purity to distinguish from mixtures classifiable elsewhere
• Monitor evolving PFAS restrictions; pre-register with EPA TSCA for new imports
• Use stainless steel drums to prevent container reactions with fluorochemicals