Perfluorotributylamine from China
(C4F9)3N, perhalogenated tertiary amine with acyclic fluorocarbon chains. 2903.78.00.00 as perhalogenated hydrocarbon derivative; nitrogen secondary function. Oxygen-free heat transfer fluid.
Duty Rate — China → United States
28.7%
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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Density 1.88 g/mL; volumetric vs gravimetric customs valuation
• Confirm no C-H bonds via 19F-NMR for perhalogenation proof
• Excellent dielectric; common in semiconductor manufacturing imports