N-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide
Sulphonamides. > N-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide > N-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide
Duty Rate (from China)
Products classified under Tariff item 2935.30
Fluorochemical Surfactant Building Block N-EtFOSE
N-EtFOSE is a fluorinated sulfonamide used as an intermediate in producing water- and oil-repellent coatings. It precisely matches the chemical description of N-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide, which is the named compound under tariff item 2935.30.00.
2935.30.00High-Purity EtFOSE for Polymer Synthesis
This high-purity grade of N-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide is optimized for polymerization into fluoropolymers. It is the exact named compound under tariff item 2935.30.00, and its purity does not affect classification as long as it meets the definition of a separate chemically defined compound.
2935.30.00N-Ethyl-N-(2-Hydroxyethyl)perfluorooctane Sulfonamide
This is a specific perfluorinated sulphonamide compound with a perfluorooctane chain attached to the sulphonamide group, along with N-ethyl and N-(2-hydroxyethyl) substituents. It falls directly under tariff item 2935.30.00 as the named compound N-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide.
2935.30.00Perfluoroalkyl Sulfonamide PFAS Intermediate (EtFOSE)
EtFOSE, or N-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide, serves as a key building block for synthesizing fluorosurfactants and PFAS polymers. It is classified under tariff item 2935.30.00 as it matches the exact named sulphonamide in the tariff description.
2935.30.00PFOS-Derivative Sulfonamide for Textile Finishing
A PFOS-related sulphonamide, N-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide, used in textile repellency treatments. It is directly under tariff item 2935.30.00 as a sulphonamide matching the subheading description and Chapter 29 notes.
2935.30.00Technical Grade Perfluorooctane Sulfonamide (N-Ethyl Hydroxyethyl)
Technical grade version contains minor impurities but remains the named N-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide per Chapter 29 Note 1(a). It is classified under tariff item 2935.30.00 for use in industrial wetting agents.