Technical Grade Perfluorooctane Sulfonamide (N-Ethyl Hydroxyethyl) from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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