2931.90.90.40/Tris(2-chlorovinyl)arsine/Mexico

Tris(2-chlorovinyl)arsine from Mexico

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 — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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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