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%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
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