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Perfluoro-N-methyl-octanesulfonamide Technical Grade

Technical grade N-methyl perfluorooctane sulfonamide contains minimal impurities while remaining a separate chemically defined compound. It qualifies for HTS 2935.10.00.00 under Chapter 29 provisions allowing impurities in chemically defined organic compounds.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+12.5%19%
🇲🇽Mexico6.5%+10.0%16.5%
🇨🇦Canada6.5%+10.0%16.5%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

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

3811.90.00.00Higher: 44% vs 19%

If supplied with specific catalysts as composite goods

Antiknock preparations or additives containing sulfonamides classify under 3811.

2921.49Same rate: 19%

If amide function predominates over sulfonamide

Amides classify in 2924; classification follows latest numerical heading per Chapter 29 note.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Submit assay reports showing >95% purity to distinguish from mixtures classifiable elsewhere

• Monitor evolving PFAS restrictions; pre-register with EPA TSCA for new imports

• Use stainless steel drums to prevent container reactions with fluorochemicals