N-Ethylperfluorooctane Sulfonamide (EtFOSA) from Germany
EtFOSA serves as a degradation product marker and synthetic intermediate in PFAS research. Meets HTS 2935.50.00.00 criteria as a separate, chemically defined perfluorooctane sulfonamide.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Provide isotope dilution mass spec data for trace analysis grade material
• Segregate from flammable solvents during transport
• Declare <0.1% PFOA impurities per EPA method 533