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2904.35.00.00/Ammonium Perfluorooctane Sulfonate/Mexico

Ammonium Perfluorooctane Sulfonate from Mexico

Ammonium perfluorooctane sulfonate is the ammonium salt form of PFOS, a fluorosurfactant precursor. It qualifies for HTS 2904.35.00.00 as an other salt of perfluorooctane sulfonic acid under the sulfonated, halogenated hydrocarbons of heading 2904.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Declare exact cation (ammonium) and anion purity; customs may require NMR/FTIR spectra for verification

• Monitor EU REACH and US TSCA restrictions; many uses prohibited except for essential applications

• Ship in stabilized form only if meeting note (f); otherwise classify as impure mixture

Ammonium Perfluorooctane Sulfonate from Mexico — Import Duty Rate | HTS 2904.35.00.00