PFOS-Derivative Sulfonamide for Textile Finishing from China
A PFOS-related sulfonamide, N-Ethyl-N-(2-hydroxyethyl)perfluorooctane sulfonamide, used in textile repellency treatments. Directly under HTS 2935.30.00.00 as a sulfonamide matching the subheading description and Chapter 29 purity standards. Its chemical definition prevails over application.
Duty Rate — China → United States
19%
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
Import Tips
• File EPA pre-manufacture notice if new use; ensure GHS labeling for aquatic toxicity; avoid retail packing to prevent Chapter 38 shift