2931.90.90.52/Triethylaluminum Cocatalyst/China

Triethylaluminum Cocatalyst from China

Triethylaluminum is a pyrophoric organoaluminum compound used as Ziegler-Natta cocatalyst in polyolefin production. 2931.90.90.52 classification for Al-C organo-inorganic compounds.

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

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Import Tips

• UN 3399 organometallic pyrophoric; only Type 4H1 bottles approved

• Spontaneously ignites in air; require dry-box repackaging capability

• Alkylaluminums monitored for export controls