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99% Pure PFOSF Technical Grade from Mexico

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 — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter

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