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2923.40.00.00/Didecylmethylammonium Perfluorooctane Sulfonate 98% Pure/Japan

Didecylmethylammonium Perfluorooctane Sulfonate 98% Pure from Japan

High-purity (98%) version of this quaternary ammonium salt, chemically defined with minimal impurities. Falls under HTS 2923.40.00.00 per Chapter 29 note (a) as a separate chemically defined organic compound. Commonly used in research and industrial fluorosurfactant synthesis.

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

• Submit Safety Data Sheets (SDS) and purity assays to customs for verification against HTS 2923.40.00.00 specificity

• Avoid misdeclaration as a mixture; Chapter 29 prioritizes pure compounds over formulations

• Check for REACH or TSCA pre-registration if transshipping from EU; PFOS compounds face import scrutiny

Didecylmethylammonium Perfluorooctane Sulfonate 98% Pure from Japan — Import Duty Rate | HTS 2923.40.00.00