Cesium Tetraphenylborate from Germany
Cesium tetraphenylborate is a complex cyanide used in analytical chemistry for cesium detection. Though containing organic phenyl groups, it classifies under HTS 2837.20.51.00 as a complex cyanide of inorganic cesium base per Chapter notes.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit detailed molecular formula and CAS number; ensure lab-use declaration
• Common issue: organic content leading to Chapter 29 scrutiny