2904.34.00.00/High Purity PFOS-K for Research Use/Japan

High Purity PFOS-K for Research Use from Japan

Ultra-high purity (>99.5%) potassium perfluorooctane sulfonate for laboratory and research applications. Classified under HTS 2904.34.00.00 as it is a separate chemically defined compound per Chapter 29 note (a). Physical form (powder, crystal) does not affect heading.

Duty Rate — Japan → United States

13.7%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Include end-use statement for research exemption from some PFAS bans; provide analytical certificates (HPLC, NMR)

• Small quantities still require full chemical declaration

High Purity PFOS-K for Research Use from Japan — Import Duty Rate | HTS 2904.34.00.00