Didecylmethylammonium Perfluorooctane Sulfonate Flakes from China
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.
Duty Rate — China → Canada
0%
Import Tips
• Declare the product as didecylmethylammonium perfluorooctane sulfonate in flakes, ensuring the description matches the tariff item
• Keep records of the manufacturing process to confirm the chemical identity
• If the flakes are mixed with other substances, check if they still meet the definition of a separate chemically defined compound