Technical Grade Didecylmethylammonium Perfluorooctane Sulfonate
Technical grade didecylmethylammonium perfluorooctane sulfonate, a quaternary ammonium salt with allowable impurities. Chapter 29 note 1(a) covers separate chemically defined compounds whether or not containing impurities, so it falls under tariff item 2923.40.00.
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 impurities are such that the product is not a separate chemically defined compound.
Products that are not separate chemically defined compounds may fall under other headings for quaternary ammonium 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
• Specify the technical grade and impurity profile on the import documentation
• Be prepared to provide a certificate of analysis to confirm the product is the named compound
• If impurities exceed acceptable levels, the product may not be classifiable under this tariff item
Related Products under Tariff item 2923.40.00
Didecylmethylammonium Perfluorooctane Sulfonate 98% Pure
High-purity (98%) didecylmethylammonium perfluorooctane sulfonate, a separate chemically defined organic compound. It is a quaternary ammonium salt that meets the description of tariff item 2923.40.00, which specifically covers didecyldimethylammonium perfluorooctane sulphonate.
Didecylmethylammonium Perfluorooctane Sulfonate Flakes
Flake form of didecylmethylammonium perfluorooctane sulfonate, a quaternary ammonium salt. The physical form does not alter its classification as a separate chemically defined compound under tariff item 2923.40.00, which specifically names this compound.
Didecylmethylammonium Perfluorooctane Sulfonate Powder
Powder form of didecylmethylammonium perfluorooctane sulfonate, a quaternary ammonium salt. As a separate chemically defined compound, it is classifiable under tariff item 2923.40.00, which specifically covers didecyldimethylammonium perfluorooctane sulphonate.
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.