N-Ethyl Perfluorooctane Sulfonamide (N-EtPFOSA)
N-Ethyl perfluorooctane sulfonamide is a chemically defined perfluoroalkyl sulfonamide compound used primarily as an intermediate in the synthesis of fluorochemical surfactants and repellents. It is classifiable under tariff item 2935.20.00 as a sulphonamide.
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 the product is a different sulphonamide
Other sulphonamides not specifically named fall under this residual item.
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
• Classify the product correctly as a sulphonamide under Chapter 29
• Keep documentation showing its chemical identity and intended use as an intermediate
• Check with Environment and Climate Change Canada for any restrictions on perfluorinated substances
Related Products under Tariff item 2935.20.00
99% Pure N-EtPFOSA Technical Grade
High-purity N-ethyl perfluorooctane sulfonamide (99% pure) supplied as a technical grade chemical for industrial synthesis of fluoropolymers. It is a separate chemically defined organic compound falling under tariff item 2935.20.00 as a sulphonamide.
N-Ethyl Perfluorooctane Sulfonamide Ethanol Solution
N-Ethyl perfluorooctane sulfonamide dissolved in ethanol at standard transport concentration for safety reasons. The solution is classifiable as the pure compound under tariff item 2935.20.00 per Chapter 29 note 1(e), as the solvent is necessary for safe transport and does not make the product suitable for a specific use.
N-Ethyl Perfluorooctane Sulfonamide with Stabilizer
N-ethyl perfluorooctane sulfonamide formulated with an added stabilizer for preservation during transport. It remains a separate chemically defined organic compound classifiable under tariff item 2935.20.00, as the stabilizer is necessary for preservation and does not alter its general use.