Technical Grade Didecylmethylammonium Perfluorooctane Sulfonate from Canada
Technical grade version with allowable impurities, still chemically defined as the named compound. HTS 2923.40.00.00 applies per Chapter 29 note (a) for organic compounds whether or not containing impurities. Utilized in polymer processing aids.
Duty Rate — Canada → United States
16.2%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include certificate of analysis showing impurity levels <2% to affirm chemical definition
• Label as 'not for retail sale' to avoid Chapter exclusions for consumer packs
• Prepare for FDA/EPA overlap if end-use in food-contact; provide intended use statement