Fluorochemical Surfactant Building Block N-EtFOSE
>- N-EtFOSE is a fluorinated sulfonamide intermediate used to produce water- and oil-repellent coatings. It matches the exact chemical identity of N-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide, which is specifically named in tariff item 2935.30.00. As a separate chemically defined organic compound, it falls under Chapter 29 and is classified in this tariff item.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | 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.
If >- If the product is not the exact named compound but another sulphonamide.
>- Other sulphonamides not specifically named fall under the residual subheading.
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 a separate chemically defined compound and not part of a mixture that could shift classification
• Provide a Certificate of Analysis to confirm purity and identity
• Verify whether the product is subject to any Canadian environmental regulations for perfluorinated substances before importing
Related Products under Tariff item 2935.30.00
High-Purity EtFOSE for Polymer Synthesis
>- High-purity EtFOSE is a refined grade of N-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide intended for polymer synthesis. It is a separate chemically defined organic compound, and the added purity does not change its classification. It is therefore classifiable under tariff item 2935.30.00.
N-Ethyl-N-(2-Hydroxyethyl)perfluorooctane Sulfonamide
>- This product is the specific perfluorinated sulfonamide compound N-Ethyl-N-(2-hydroxyethyl)perfluorooctane sulfonamide, with a perfluorooctane chain and N-ethyl and N-(2-hydroxyethyl) substituents. It is explicitly named in tariff item 2935.30.00 and qualifies as a separate chemically defined organic compound under Chapter 29.
Perfluoroalkyl Sulfonamide PFAS Intermediate (EtFOSE)
>- EtFOSE is a perfluoroalkyl sulfonamide intermediate used to synthesize fluorosurfactants and PFAS polymers. It matches the exact chemical description of N-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide, which is named in tariff item 2935.30.00. As a separate chemically defined compound, it is correctly classified here.
PFOS-Derivative Sulfonamide for Textile Finishing
>- This PFOS-related sulfonamide is N-Ethyl-N-(2-hydroxyethyl)perfluorooctane sulfonamide, used in textile repellency treatments. It is a separate chemically defined organic compound and is specifically named in tariff item 2935.30.00. Therefore, it is classifiable under this tariff item.
Technical Grade Perfluorooctane Sulfonamide (N-Ethyl Hydroxyethyl)
>- Technical grade perfluorooctane sulfonamide contains minor impurities but remains the named N-Ethyl-N-(2-hydroxyethyl)perfluorooctane sulphonamide. Chapter 29 note 1 permits impurities in separate chemically defined organic compounds. Therefore, it is classifiable under tariff item 2935.30.00.