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%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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