2931.90.15.00/BPh4Na Ion Pairing Reagent/Japan

BPh4Na Ion Pairing Reagent from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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