Technical Grade Lithium PFOS Crystals from China

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 — 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 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