Trimethylindium from China
Trimethylindium (InMe3) is an organoindium precursor for III-V semiconductors with In-C bonds defining 2931.90.90 classification. Pyrophoric liquid excluded from inorganic indium (Ch28) by chapter organo-inorganic notes.
Duty Rate — China → United States
41.2%
Rate breakdown
9903.88.0425%Except as provided in headings 9903.88.33, 9903.88.34, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(g) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(g)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• UN3058 Pyrophoric solid packaging; nitrogen-padded containers mandatory
• ITAR/EAR export control verification for semiconductor end-use
• Extremely air-sensitive; import permits may specify direct cleanroom delivery