NaB(C6H5)4 Precipitating Agent from Japan
NaB(C6H5)4, or sodium tetraphenylboron, serves as a selective precipitating agent for alkali metal ions in quantitative analysis, classified in HTS 2931.90.15.00 as an aromatic organo-inorganic compound per heading 2931. Its structure includes boron directly linked to four aromatic phenyl groups.
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%
Import Tips
• Label shipments with GHS hazard pictograms for irritant properties; obtain end-user certificates if destined for research institutions; check for anti-dumping duties on boron compounds from certain origins