Perfluoropentanoic Acid (PFPeA) from Canada
PFPeA (C4F9COOH) represents medium-chain perfluorinated carboxylic acids, fully halogenated acyclic derivatives. Falls under 2903.78.00.00 per chapter notes for halogenated hydrocarbons with multiple halogens. Intermediate in fluoropolymer production.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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 chain length specification in commercial invoice to distinguish from other PFCAs
• Comply with Stockholm Convention reporting if applicable to persistent organic pollutants
• Use fluoropolymer-compatible packaging to prevent container degradation