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
18.5%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 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