2-Chlorovinyldichloroarsine (Lewisite 1)
2-Chlorovinyldichloroarsine is a highly toxic organoarsenic compound classified under HTS 2931.90.90.30 as an other organo-inorganic compound where arsenic is directly linked to carbon. It features a vinyl chloride group attached to arsenic dichloride, fitting Chapter 29's scope for separate chemically defined organic compounds with metallic elements.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as bulk inorganic halide without organic carbon linkage
Lacks direct C-As bond, classifying as other nonmetal halides instead of organo-inorganic compounds
If for halogenated derivatives emphasized over arsenic content
If viewed primarily as halogenated hydrocarbon derivative per Chapter notes, shifts from organo-inorganic heading
If in aqueous solution for safety transport without altering use
Chapter note (d) allows water-dissolved forms but may fall to phosphides/arsenic compounds if not purely organic
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Import Tips & Compliance
• Obtain special licenses from BIS and ATF due to its status as a chemical weapon precursor; ensure UN-approved packaging for toxic substances
• Verify chemical purity documentation to avoid reclassification; common pitfall is inadequate hazard labeling leading to customs holds
Related Products under HTS 2931.90.90.30
Lewisite 1 Technical Grade
Technical grade 2-Chlorovinyldichloroarsine (Lewisite 1) is a synthetic organo-inorganic compound used in chemical research, classified under HTS 2931.90.90.30. The arsenic-carbon bond and chlorine substitutions qualify it as an 'other' organo-inorganic compound per heading 2931 specifications.
2-Chlorovinyldichloroarsine Stabilized Solution
A stabilized solution of 2-Chlorovinyldichloroarsine for safe transport, falling under HTS 2931.90.90.30 as per Chapter note (f) allowing stabilizers for preservation. It remains classified as the core organo-inorganic arsenic compound with direct C-As linkage.
Dichloro(2-chloroethenyl)arsine
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.