N-Ethyl Perfluorooctane Sulfonamide with Stabilizer from Mexico
This is N-ethyl perfluorooctane sulfonamide formulated with an added stabilizer for preservation during transport, maintaining its identity as a chemically defined organic compound. Classified under HTS 2935.20.00.00 per Chapter 29 note (f), as the stabilizer is necessary and does not change its general chemical use. Commonly used in producing water-resistant coatings and as a PFAS intermediate.
Duty Rate — Mexico → United States
16.5%
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
Import Tips
• Document stabilizer composition in SDS to prove necessity for preservation per Chapter 29 note (f); excess additives risk reclassification
• Comply with TSCA Import Certification for PFAS; declare as new chemical if not on inventory
• Label containers clearly for safety/emetic additions under note (g) to avoid customs delays