N-Methylperfluorooctane Sulfonamido Ethanol (MeFOSE) from Japan
MeFOSE is a key building block for producing fluorochemical polymers used in surface treatments. Classified under HTS 2935.50.00.00 as it is chemically defined perfluorooctane sulfonamide alcohol.
Duty Rate — Japan → United States
21%
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
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Maintain cold chain documentation (<10°C) to preserve alcohol functionality
• Declare polymerization inhibitor content to avoid Chapter 39 pre-polymer classification
• Comply with Stockholm Convention documentation for POPs-exempt C8 chemistry