BPh4Na Ion Pairing Reagent from Germany
BPh4Na (sodium tetraphenylborate) acts as an ion-pairing reagent in ion chromatography and HPLC methods for cation separation, classified under HTS 2931.90.15.00 for its aromatic organo-inorganic structure. It qualifies under Chapter 29 note (a) as a pure compound with impurities not affecting classification.
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
• Declare intended use as analytical reagent to support classification; provide stability data for transport conditions; avoid mixing with solvents that could trigger solution provisions in Chapter notes