Perfluorooctane Sulfonate Quaternary Salt PFOS-TEA from China
High-purity tetraethylammonium perfluorooctane sulfonate (PFOS-TEA) used in electroplating baths and as a fluorosurfactant intermediate. This chemically defined compound is specifically enumerated under HTS 2923.30.00.00 within the quaternary ammonium salts heading.
Duty Rate — China → United States
43.7%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 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
• Obtain EPA pre-manufacture notice approval if considered a new PFAS chemical under TSCA
• Provide detailed end-use statement to avoid anti-dumping scrutiny on fluorochemicals
• Ensure packaging prevents moisture absorption which could affect chemical purity classification