Diethanolamine Perfluorooctane Sulfonate from Germany
Diethanolamine perfluorooctane sulfonate pairs a organic base with PFOS for water-soluble applications. Classified in HTS 2904.35.00.00 as an other salt, following chapter rules for organic salts of sulfonated compounds.
Duty Rate — Germany → United States
10%
Rate breakdown
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
• Document salt formation per chapter note (C); provide synthesis route if challenged
• Beware end-use declarations; PFOS salts often trigger additional homeland security scrutiny
• Package to prevent decomposition; instability may classify as hazardous material