N-Methylperfluorooctane Sulfonamido Ethanol (MeFOSE) from Mexico
MeFOSE is a key building block for producing fluorochemical polymers used in surface treatments. Classified under HTS 2935.50.00.00 as it is chemically defined perfluorooctane sulfonamide alcohol.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Maintain cold chain documentation (<10°C) to preserve alcohol functionality
• Declare polymerization inhibitor content to avoid Chapter 39 pre-polymer classification
• Comply with Stockholm Convention documentation for POPs-exempt C8 chemistry