99% Pure PFOSF Technical Grade from China

Technical grade perfluorooctane sulfonyl fluoride at 99% purity, a fluorinated sulfonyl compound under HTS 2904.36.00.00 due to its perfluorinated structure and sulfonyl fluoride functional group. Used primarily as a synthetic precursor for PFOS-based surfactants in industrial applications.

Duty Rate — China → United States

38.7%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Import Tips

Include third-party lab analysis confirming 99% purity to prevent reclassification as an impure mixture

Register with US EPA under TSCA for PFOSF imports exceeding 100 lbs annually

Package in fluoropolymer-lined containers to prevent decomposition during transport