Technical Grade Perfluorooctane Sulfonamide (N-Ethyl Hydroxyethyl) from Mexico
Technical grade version contains minor impurities but remains the named N-Ethyl-N-(2-hydroxyethyl)perfluorooctane sulfonamide per Chapter 29 note (a). Classified in HTS 2935.30.00.00 for use in industrial wetting agents and emulsifiers. The principal compound defines the tariff heading.
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
• Disclose impurity levels <2% in entry docs to stay in 2935; segregate from mixtures heading to 3824; prepare for ITC survey on end-use in coatings