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
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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