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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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