Perfluorooctane Sulfonyl Fluoride (POSF) from Germany
Perfluorooctane sulfonyl fluoride (POSF), the acid fluoride derivative of PFOS, explicitly covered under HTS 2904.31.00.00. This reactive fluorochemical intermediate fits Chapter 29 as a halogenated, sulfonated hydrocarbon derivative.
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
• Require DOT/ADR Class 8 corrosive labeling and UN 1779 shipping designation
• Submit TSCA pre-manufacture notice if first US import of this substance
• Confirm no anti-dusting agents added that trigger Chapter 29 note (g) reclassification