Dimethylcadmium from Japan
Dimethylcadmium ((CH3)2Cd) is a pyrophoric organocadmium reagent with Cd-C bonds, used in semiconductor synthesis. Classified 2931.90.90 per chapter notes defining organo-inorganic metal-carbon compounds; excluded from Ch28 inorganics.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• UN3483 Pyrophoric liquid packaging group I—requires Type 1A1 steel drums with nitrogen padding
• Extremely toxic cadmium compound; OSHA PEL 0.005 mg/m³ exposure documentation required
• Customs may require end-user certificate due to semiconductor dual-use concerns