Stabilized Didecylmethylammonium Perfluorooctane Sulfonate from United States
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.
Duty Rate — United States → Canada
0%
Import Tips
• 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