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N-Methylperfluorooctane Sulfonamide from Japan

N-Methylperfluorooctane sulfonamide (N-MePFOSA) is a separate chemically defined compound used in manufacturing water- and oil-repellent coatings. Classified under HTS 2935.50.00.00 as a perfluorooctane sulfonamide per Chapter 29 note (a).

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Submit TSCA certification for PFAS chemicals to meet EPA pre-manufacture notification requirements

Ensure CAS number 31506-32-8 documentation matches exactly for customs verification

Avoid bulk packaging that could trigger Chapter 38 mixture classification