Technical Grade Lithium PFOS Crystals from Canada
Crystalline technical-grade lithium perfluorooctane sulfonate for surfactant manufacturing. Falls under HTS 2904.33.00.00 as a perfluorinated sulfonate salt, explicitly listed in the heading for PFOS salts. Qualifies as a separate chemically defined compound per Chapter 29 scope.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include Safety Data Sheets (SDS) showing <99% purity to avoid mixture classification
• Check Stockholm Convention restrictions; some countries ban PFOS imports entirely
• Label as 'research chemical only' if not for commercial production to ease regulatory scrutiny