2935.10.00.00/N-Methyl Perfluorooctane Sulfonamide/Mexico

N-Methyl Perfluorooctane Sulfonamide from Mexico

N-Methyl perfluorooctane sulfonamide (MeFOS) is a chemically defined organic compound featuring a perfluorinated carbon chain attached to a sulfonamide group with an N-methyl substituent. It falls under HTS 2935.10.00.00 as a specific sulfonamide compound within Chapter 29, meeting the criteria for separate 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

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Import Tips

• Verify chemical purity and provide Certificates of Analysis (CoA) to confirm identity as N-methyl perfluorooctane sulfonamide for proper HTS classification

• Check REACH and TSCA compliance due to PFAS regulations; include safety data sheets (SDS) and ensure no prohibited impurities

• Avoid misclassification as mixtures; ship in drums suitable for chemical transport with stabilizers if needed per Chapter 29 notes