NaB(C6H5)4 Precipitating Agent from Canada
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 — Canada → United States
15.8%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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