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Perfluorooctanesulfonamide (PFOSA) Hydroxyethyl Derivative from Germany

A derivative of perfluorooctanesulfonic acid amidated with N-methyl-N-(2-hydroxyethyl), this sulfonamide is a key building block for fluoropolymers. Classified under HTS 2935.40.00.00 as it matches the exact subheading for this chemically defined sulfonamide. Used in synthesis of surfactants and coatings.

Duty Rate — Germany → United States

10%

Rate breakdown

9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%

Import Tips

Obtain TSCA certification for US import and declare PFAS content; use bulk industrial packaging to maintain Chapter 29 classification

Monitor for evolving restrictions on perfluoroalkyl substances