Perfluorooctanesulfonic Acid Diethylammonium Salt from Japan
This is the diethylammonium salt form of perfluorooctanesulfonic acid, classified under HTS 2922.16.00.00 as it contains amino-alcohol structure with perfluoro chain. Used in specialty wetting agents and polymer processing aids.
Duty Rate — Japan → United States
12.5%
Rate breakdown
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
• Provide detailed structural formula and molecular weight verification for customs classification
• Monitor REACH and EPA PFAS import notifications; significant new use rules may apply
• Label as 'research chemical' only if <100g to avoid commercial restrictions