Perfluorotributylamine from Japan
(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 — Japan → United States
23.8%
Rate breakdown
9903.04.6211.3%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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