Perfluorooctane Sulfonamide Potassium Salt from United States
Perfluorooctane sulfonamide potassium salt is the potassium salt form of perfluorooctane sulfonamide, used in aqueous fluorosurfactant formulations. Per Chapter 29 Note 5(C)(1), inorganic salts of organic compounds are classified in the heading appropriate to the organic compound, so this salt falls under tariff item 2935.50.00 as an 'other perfluorooctane sulphonamide'.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the salt is derived from perfluorooctane sulfonamide and not another sulfonamide, as classification follows the parent compound
• Provide the CAS number and structural formula to the CBSA
• Check if the salt is subject to Canadian restrictions on perfluorooctane substances, which may require special permits or declarations