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Perfluorooctane Sulfonate Quaternary Salt PFOS-TEA

High-purity tetraethylammonium perfluorooctane sulfonate (PFOS-TEA) is a quaternary ammonium salt used in electroplating baths and as a fluorosurfactant intermediate. It is a chemically defined compound specifically listed under this tariff item.

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.

2923.90.00Same rate: Free

If the salt is not specifically tetraethylammonium perfluorooctane sulfonate.

Other quaternary ammonium salts are classified under this 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

• Classify as a quaternary ammonium salt; keep records of the chemical's purity and intended use

• Check if the product is subject to restrictions under the Canadian Environmental Protection Act due to PFOS content