Didecylmethylammonium Perfluorooctane Sulfonate Flakes

Flake form of this specific quaternary ammonium perfluorosulfonate for easier handling. Classified precisely under HTS 2923.40.00.00 as the named compound per subheading description. Employed in high-performance coating formulations.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.2%+35.0%41.2%
🇲🇽Mexico6.2%+10.0%16.2%
🇨🇦Canada6.2%+10.0%16.2%
🇩🇪Germany6.2%+10.0%16.2%
🇯🇵Japan6.2%+10.0%16.2%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3824.99Lower: 15% vs 41.2%

If anti-dusting agent added beyond identification purposes

Excess additives render it a preparation suitable for specific use, excluded by note (g).

2904.10Lower: 14.2% vs 41.2%

If for industrial hydrocarbon derivative applications

Perfluoro derivatives sometimes argued under 2904, but quat salt specificity controls.

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Import Tips & Compliance

Specify physical form (flakes) in entry docs but emphasize chemical identity for HTS match

Use heat-stabilized drums for import; melting point considerations prevent damage claims

Verify no color/odor additions per note (g) that imply specific use