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
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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