</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Perfluorooctane Sulfonate Potassium Flake Form from China

Flake-form potassium perfluorooctane sulfonate for easy handling in chemical synthesis. Precisely matches HTS 2904.34.00.00 as the potassium salt of PFOS, a halogenated sulfonated hydrocarbon derivative. Chapter notes confirm classification for pure compounds regardless of physical form.

Duty Rate — China → United States

41.2%

Rate breakdown

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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Use UN-approved chemical packaging; provide CAS number 2795-39-3 documentation

Avoid generic 'fluorochemical' declarations to prevent reclassification