Diethanolamine Perfluorooctane Sulfonate from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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