N-Ethylperfluorooctane Sulfonamide from China
N-Ethylperfluorooctane sulfonamide (N-EtPFOSA) is a separate chemically defined compound used as an intermediate in fluorosurfactant production. Its structure comprises a perfluorooctane sulfonamide group with an N-ethyl substituent, placing it squarely under tariff item 2935.50.00 as an 'other perfluorooctane sulphonamide'. The product is not excluded by Chapter 29 notes and is classifiable as a chemically defined organic compound.
Duty Rate — China → Canada
Import Tips
• Provide a detailed technical data sheet showing the chemical structure and purity to CBSA to avoid misclassification
• Check if the product requires an import permit under the Canadian Environmental Protection Act, given its perfluorooctane sulfonamide nature
• Keep records of the supplier's country of origin to determine applicable preferential tariff treatments under Canada's free trade agreements