Tris(2-chlorovinyl)arsine from China
Tris(2-chlorovinyl)arsine is a highly toxic organo-arsenic compound containing arsenic directly linked to carbon atoms in vinyl groups with chlorine substituents. It falls under HTS 2931.90.90.40 as a specific other organo-inorganic compound per Chapter 29 notes, distinct from sulfonated or halogenated derivatives classified elsewhere. Primarily used in chemical synthesis and historical chemical warfare agent production.
Duty Rate — China → United States
137.5%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
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)
Import Tips
• Obtain EPA TSCA registration and chemical import notifications due to extreme toxicity; provide detailed safety data sheets and UN hazard classifications
• Verify purity certificates to confirm classification under 2931.90.90.40 vs. mixtures