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2904.35.00.00/Potassium Perfluorooctane Sulfonate/Japan

Potassium Perfluorooctane Sulfonate from Japan

Potassium perfluorooctane sulfonate (potassium PFOS) is a perfluorinated sulfonate salt used in specialty chemical applications. Classified under HTS 2904.35.00.00 as an 'other salt' of perfluorooctane sulfonic acid, fitting chapter 29 for halogenated sulfonated hydrocarbon derivatives.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Comply with international PFOS bans; secure prior import notifications to EPA under SNUR (Significant New Use Rule)

• Label shipments with CAS number 2795-39-3 and full chemical identity to prevent customs holds

• Test for impurities; chapter excludes mixtures unless meeting stabilizer provisions in notes (f)-(g)

Potassium Perfluorooctane Sulfonate from Japan — Import Duty Rate | HTS 2904.35.00.00