Ammonium Perfluorooctanoate from Canada
Ammonium perfluorooctanoate is the ammonium salt of perfluorooctanoic acid (C7F15COO⁻NH4⁺), explicitly covered under HTS 2915.90.18.10 as a salt of this specific perfluorinated carboxylic acid. It was historically used as a processing aid in fluoropolymer production like Teflon.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6095.8%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
• Provide laboratory analysis confirming ammonium salt composition and PFOA content to support classification under the specific subheading
• Declare TSCA import certification and check for PFOA Significant New Use Rule (SNUR) compliance before importation
• Ensure proper hazardous material labeling and packaging per DOT regulations for safe transport of this fluorinated salt