Bis(2-Chlorovinyl)Chloroarsine from China

Bis(2-chlorovinyl)chloroarsine is a highly toxic organo-arsenic compound containing arsenic directly linked to carbon atoms, classified under HTS 2931.90.90.35 as an other organo-inorganic compound. It falls within Chapter 29 per the notes for separate chemically defined organic compounds with nonmetal atoms like arsenic bonded to carbon, excluding sulfonated or halogenated derivatives covered elsewhere.

Duty Rate — China → United States

28.7%

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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Obtain prior approval from BIS or ATF due to chemical weapons precursor status; include detailed safety data sheets and toxicity profiles in documentation

Verify end-use statements to avoid dual-use export control violations

Common pitfall: inadequate labeling of arsenic content leading to CBP holds