2904.31.00.00/Diethanolamine Perfluorooctane Sulfonate/Japan

Diethanolamine Perfluorooctane Sulfonate from Japan

Organic salt formed between diethanolamine and PFOS, classified with the later-occurring sulfonated acid per Chapter 29 note on salts (C)(2). Falls under HTS 2904.31.00.00 as the PFOS component dominates.

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

• Document both organic components for salt classification verification

• Test for ionic dissociation to confirm true salt vs physical mixture

• Include REACH registration numbers for both amine and PFOS components