Perfluoro-n-octanesulfonyl Fluoride from China
C8F17SO2F, perhalogenated sulfonyl fluoride with acyclic fluorocarbon chain. 2903.78.00.00 classification as perhalogenated derivative; sulfur function secondary to halogenation. Key intermediate for PFOS production.
Duty Rate — China → United States
41.2%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Extremely reactive with moisture; ship under inert atmosphere
• CAS 30708-42-0 declaration mandatory due to specific PFOS regulations
• Special UN 3265 shipping classification for corrosive liquid, acidic