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2935.30.00.00/Fluorochemical Surfactant Building Block N-EtFOSE/Mexico

Fluorochemical Surfactant Building Block N-EtFOSE from Mexico

N-EtFOSE is a fluorinated sulfonamide used as an intermediate in producing water- and oil-repellent coatings. It precisely matches HTS 2935.30.00.00 for N-Ethyl-N-(2-hydroxyethyl)perfluorooctane sulfonamide, a separate chemically defined compound under Chapter 29. The perfluoro chain and hydroxyethyl group characterize its sulfonamide classification.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Include NMR or HPLC data in documentation to prove structural identity; comply with REACH or EPA PFAS reporting if >100 lbs imported; label as 'research chemical' if for lab use to avoid end-use scrutiny

Fluorochemical Surfactant Building Block N-EtFOSE from Mexico — Import Duty Rate | HTS 2935.30.00.00