Trimethylgallium Precursor from Canada
Trimethylgallium (TMGa) is an organogallium precursor for GaAs/GaN semiconductor epitaxy via MOCVD. Classified 2931.90.90.52 as organo-inorganic with Ga-C bonds.
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
• UN 3390 pyrophoric; specialized lecture bottle packaging required
• Wassenaar dual-use controls apply; end-user certificates mandatory
• Vapor pressure testing confirms MOCVD grade specifications