N-Ethyl-N-(2-hydroxyethyl)perfluorooctane Sulfonamide from Mexico
This hydroxyethyl-substituted perfluorooctane sulfonamide serves as a reactive intermediate for fluoropolymer synthesis. It qualifies under HTS 2935.50.00.00 as 'other perfluorooctane sulfonamides' meeting Chapter 29's chemically defined organic compound criteria.
Duty Rate — Mexico → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Label containers with GHS corrosive pictograms due to sulfonamide acidity
• Provide HPLC purity certificates (>98%) to distinguish from technical grade mixtures
• Declare exact carbon chain length (C8) to prevent confusion with shorter-chain PFAS analogs