New

Ask Wove anything about tariffs.

Try Tariff Assistant

MeFOSE - Methyl Perfluorooctanesulfonamidoethanol

Commonly abbreviated as MeFOSE, this is N-(2-hydroxyethyl)-N-methyl-1-perfluorooctanesulfonamide, a fluorochemical intermediate. It precisely matches HTS 2935.40.00.00 for this named sulfonamide. Applied in producing water/oil repellents for textiles.

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.

2921.49Same rate: 19%

If amide function emphasized over sulfonamide

Amine-function compounds in 2921 if sulfonyl not principal group per chapter classification rules.

3824.99.39Higher: 37.5% vs 19%

If diluted for azo dye production per chapter note (h)

Specific dilutions for dyes exclude from pure compounds into mixtures heading.

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

• Provide analytical certificates confirming structure; comply with Stockholm Convention if applicable

• Avoid anti-dusting agents that could reclassify under note (g)