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Fluorosurfactant Intermediate TEAPFOS

Tetraethylammonium perfluorooctane sulfonate (TEAPFOS) is a quaternary ammonium salt used as an intermediate in synthesizing fluorosurfactants for electronics manufacturing. It is a separate chemically defined organic compound, matching the tariff item's specific description.

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 product is a different quaternary ammonium salt not specifically named.

Other quaternary ammonium salts fall 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

• Ensure the product is pure and chemically defined; provide a Certificate of Analysis to CBSA if requested

• Verify if the chemical requires an import permit under Canadian environmental regulations (e.g

• for persistent organic pollutants)