Fluorosurfactant Intermediate TEAPFOS from China
Tetraethylammonium perfluorooctane sulfonate serving as a key intermediate for synthesizing advanced fluorosurfactants in electronics manufacturing. Falls squarely under HTS 2923.30.00.00 as the precisely named quaternary ammonium salt.
Duty Rate — China → United States
43.7%
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
• Include REACH registration numbers for EU-origin material if transshipping through US
• Monitor Stockholm Convention restrictions on PFOS compounds despite specific HTS allowance
• Validate 99%+ purity via HPLC to prevent reclassification as impure mixture