Trimethylgallium Precursor from Japan
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 — Japan → 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
• UN 3390 pyrophoric; specialized lecture bottle packaging required
• Wassenaar dual-use controls apply; end-user certificates mandatory
• Vapor pressure testing confirms MOCVD grade specifications