Lewisite 3

Lewisite 3
Lewisite 3
Lewisite 3
Names
Preferred IUPAC name
Tris[(E)-2-chloroethen-1-yl]arsane
Other names
Tris((E)-2-chlorovinyl)arsine

(E,E,E)-Lewisite 3

L-3
Identifiers
3D model (JSmol)
ChemSpider
UNII
  • InChI=1S/C6H6AsCl3/c8-4-1-7(2-5-9)3-6-10/h1-6H/b4-1+,5-2+,6-3+
    Key: AOAVIJUEFJPSAI-GZDDRBCLSA-N
  • C(=C[As](C=CCl)C=CCl)Cl
Properties
C6H6AsCl3
Molar mass 259.4 g mol−1
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamond
4
1
1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Lewisite 3 (L-3) is an organoarsenic chemical weapon, similar to lewisite 1 and lewisite 2. First synthesized in 1904 by Julius Arthur Nieuwland, it is usually found as a mixture of 2-chlorovinylarsonous dichloride (lewisite 1) as well as bis(2-chloroethenyl) arsinous chloride (lewisite 2) and tris(2-chlorovinyl)arsine (lewisite 3). Pure lewisite 1 is an oily liquid with an odor distinct to geraniums. When pure, it is colourless, but impure mixtures can appear amber, brown, or black.

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