Triphenylbismuth Catalyst from Canada
Triphenylbismuth is an organobismuth compound used as a catalyst in organic synthesis and polymer production. It qualifies for 2931.90.90.52 as an organo-inorganic compound with bismuth directly linked to carbon atoms, per Chapter 29 note definitions.
Duty Rate — Canada → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Declare exact CAS number (603-33-8) and molecular formula on commercial invoice
• Include stabilizer information if supplied with anticaking agents per Chapter 29 note (f)
• Monitor bismuth import quotas; provide origin certificates for non-China sources