New

Ask Wove anything about tariffs.

Try Tariff Assistant

N-(2-Hydroxyethyl)-N-methyl Perfluorooctane Sulfonamide

This product is N-(2-Hydroxyethyl)-N-methyl perfluorooctane sulfonamide, a specific perfluorinated sulfonamide compound with a perfluorooctane chain and N-methyl and N-(2-hydroxyethyl) substituents. It is classified under tariff item 2935.40.00 as the exact named compound, used in polymer modification and surface treatment.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

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

2935.90.00Same rate: Free

If the compound is not the exact named substance or is a derivative.

Residual heading for other sulfonamides.

Not sure which classification is right?

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

Import Tips & Compliance

• Ensure the product is not dissolved in a solvent that makes it suitable for a specific use, as this could affect classification

• Keep records of the chemical synthesis to demonstrate it is a separate chemically defined compound

• Consult with a customs broker if unsure about the classification

Related Products under Tariff item 2935.40.00

Hydroxyethyl Methyl PFOS Amide

This product is N-(2-Hydroxyethyl)-N-methylperfluorooctane sulphonamide, a separate chemically defined organic compound with a perfluorooctane chain and sulfonamide group substituted with methyl and 2-hydroxyethyl groups. It falls under tariff item 2935.40.00 as the named compound, used as a precursor for fluoroacrylate polymers and surface treatment applications.

MeFOSE - Methyl Perfluorooctanesulfonamidoethanol

MeFOSE, or N-(2-hydroxyethyl)-N-methyl-1-perfluorooctanesulfonamide, is a fluorochemical intermediate that precisely matches the chemical description of tariff item 2935.40.00. It is used in producing water-repellent and stain-resistant coatings, and its classification is based on its identity as the named sulfonamide compound.

N-Methyl-N-(2-Hydroxyethyl) Perfluorooctyl Sulfonamide

This perfluoroalkyl sulfonamide features a C8 fluorocarbon chain and hydroxyethyl substitution, fitting the description of N-(2-Hydroxyethyl)-N-methylperfluorooctane sulphonamide. It is a separate chemically defined compound used in polymer modification and surface treatment, classified under tariff item 2935.40.00.

Perfluorooctanesulfonamide (PFOSA) Hydroxyethyl Derivative

This derivative of perfluorooctanesulfonic acid, amidated with N-methyl-N-(2-hydroxyethyl), is a key building block for fluoropolymers. It matches the exact chemical description of tariff item 2935.40.00 as N-(2-Hydroxyethyl)-N-methylperfluorooctane sulphonamide, used in various industrial applications.