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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.

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.

2933.39.00Same rate: Free

If the product is classified primarily as an imidazole derivative

The heterocyclic base may take precedence if the salt is not considered a PFOS salt.

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

• Provide a certificate of analysis to confirm the salt's chemical purity

• Check if the product requires an import permit under Canada's chemicals management plan

• Clearly state the cation and anion composition on shipping documents

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.

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.

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.

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.