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2903.78.00.00/Perfluoro-n-heptanoic Acid Ammonium Salt/Canada

Perfluoro-n-heptanoic Acid Ammonium Salt from Canada

Ammonium salt of C6F13COOH, fully perhalogenated carboxylic acid derivative. 2903.78.00.00 applies per chapter note 3(C)(1) classifying inorganic salts with parent organic compound. Common surfactant form in commercial applications.

Duty Rate — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Salt form reduces corrosivity but declare counterion content accurately

• Provide acid equivalent weight calculation for inventory purposes

• Monitor for PFAS aggregate reporting requirements in destination country

Perfluoro-n-heptanoic Acid Ammonium Salt from Canada — Import Duty Rate | HTS 2903.78.00.00