Potassium Perfluorooctane Sulfonate
Potassium perfluorooctane sulfonate is the potassium salt of perfluorooctane sulfonic acid, a perfluorinated sulfonate salt used in specialty chemical applications. It is a chemically defined organic compound classified under tariff item 2904.35.00 as an 'other salt' of PFOS.
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 the acid form
The acid is classified separately from its salts.
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 clearly labeled with the chemical formula and purity
• Verify that the import complies with Canada's prohibition of certain PFOS substances
• Keep a copy of the supplier's technical data sheet for customs clearance
Related Products under Tariff item 2904.35.00
Ammonium Perfluorooctane Sulfonate
Ammonium perfluorooctane sulfonate is the ammonium salt of perfluorooctane sulfonic acid (PFOS), a fully fluorinated organic compound with a sulfonate group. It is a chemically defined organic compound that falls under tariff item 2904.35.00 as an 'other salt' of perfluorooctane sulfonic acid, consistent with Chapter 29 rules for salts of organic compounds.
Diethanolamine Perfluorooctane Sulfonate
Diethanolamine perfluorooctane sulfonate is a salt formed between the organic base diethanolamine and perfluorooctane sulfonic acid. It is a chemically defined organic compound classified under tariff item 2904.35.00 as an 'other salt' of PFOS, following Chapter 29 rules for salts of organic compounds.
Imidazolium Perfluorooctane Sulfonate
Imidazolium perfluorooctane sulfonate is a salt formed from imidazole and perfluorooctane sulfonic acid, often used in ionic liquid applications. It is a chemically defined organic compound that falls under tariff item 2904.35.00 as an 'other salt' of perfluorooctane sulfonic acid.
Lithium Perfluorooctane Sulfonate
Lithium perfluorooctane sulfonate is the lithium salt of perfluorooctane sulfonic acid, a fully fluorinated organic compound with a sulfonate group. It is a chemically defined organic compound classified under tariff item 2904.35.00 as an 'other salt' of PFOS.
Magnesium Perfluorooctane Sulfonate
Magnesium perfluorooctane sulfonate is a divalent metal salt of perfluorooctane sulfonic acid, used in thermal and specialty applications. It is a chemically defined organic compound that falls under tariff item 2904.35.00 as an 'other salt' of PFOS.
Pyridinium Perfluorooctane Sulfonate
Pyridinium perfluorooctane sulfonate is a salt formed from pyridine and perfluorooctane sulfonic acid, used in catalytic applications. It is a chemically defined organic compound that falls under tariff item 2904.35.00 as an 'other salt' of PFOS.