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Stabilized Didecylmethylammonium Perfluorooctane Sulfonate

Stabilized didecylmethylammonium perfluorooctane sulfonate, a quaternary ammonium salt with added stabilizers for preservation during transport. Chapter 29 note 1(f) allows such stabilizers, so it remains classifiable under tariff item 2923.40.00 as the named compound.

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 stabilizer renders the product particularly suitable for a specific use.

Products with added substances that make them suitable for specific uses may be classified elsewhere.

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

• Document the type and purpose of the stabilizer to demonstrate it is necessary for preservation or transport

• Ensure the stabilizer does not make the product suitable for a specific use rather than general use

• Keep the product's technical data sheet available for CBSA inspection