Dichloro(2-chloroethenyl)arsine from Japan
Dichloro(2-chloroethenyl)arsine, synonymous with 2-Chlorovinyldichloroarsine, is a specific organoarsenic vesicant classified precisely under HTS 2931.90.90.30. Its structure confirms direct arsenic-carbon bonding, excluding it from sulfonated/halogenated derivatives in notes.
Duty Rate — Japan → United States
23.8%
Rate breakdown
9903.04.6211.3%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Require DEA registration for precursors; ensure TSCA premanufacture notice
• Common issue: Incomplete CoC leads to port detention for warfare agent suspects