Perfluorooctane from China
Perfluorooctane (C8F18) serves as a reference standard for surface tension measurements and in liquid immersion cooling systems. This saturated fluorinated acyclic hydrocarbon is captured by HTS 2903.49.00.00 as 'other' derivatives, meeting Chapter 29 requirements for chemically defined organic compounds.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide GC-MS analysis confirming single compound identity and impurity levels below 0.1%
• For research chemicals, include end-use statement to prevent diversion classification issues
• Package in fluoropolymer-compatible containers; note on shipping papers to avoid reaction risks