Tris(2-chlorovinyl)arsine from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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