2837.20.51.00/Cesium Tetraphenylborate/Japan

Cesium Tetraphenylborate from Japan

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 — 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%

Calculate with your customs value Verify classification with AI

Import Tips

• Submit detailed molecular formula and CAS number; ensure lab-use declaration

• Common issue: organic content leading to Chapter 29 scrutiny