N,N-Diethyl Perfluorooctanesulfonamide Salt from Japan
While chemically distinct, certain diethyl-substituted perfluoroalkyl sulfonamide salts align with HTS 2922.16.00.00 interpretation for oxygen-function amino-salts. Used in photographic chemicals and fluorosurfactants.
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
• Submit binding ruling request to CBP if structural ambiguity exists between sulfonate/sulfonamide
• Ensure no added stabilizers render it specific-use per chapter note (g)
• Comply with PFOA/PFOS phase-out schedules under TSCA