Chemistry:Ethyldichloroarsine

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Ethyldichloroarsine
Ethyldichloroarsine 3D.png
EtAsCl2.png
Names
Preferred IUPAC name
Ethylarsonous dichloride
Other names
ED
Dichloroethylarsane; DICK
Identifiers
3D model (JSmol)
ChemSpider
EC Number
  • 209-919-3
RTECS number
  • CH3500000
UNII
UN number 1892
Properties
C2H5AsCl2
Molar mass 174.8893 g/mol
Appearance Colorless, mobile liquid
Density 1.742 @ 14 °C
Melting point −65 °C (−85 °F; 208 K)
Boiling point 156 °C (313 °F; 429 K) (decomposes)
Soluble in alcohol, benzene, ether, and water
Hazards
Main hazards Highly toxic, irritant
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Ethyldichloroarsine, sometimes abbreviated "ED" and also known as ethyl Dick,[1] is an organoarsenic compound with the formula CH3CH2AsCl2. This colourless volatile liquid is a highly toxic obsolete vesicant or blister agent that was used during World War I in chemical warfare.[2] The molecule is pyramidal with the Cl-As-Cl and C-As-Cl angles approaching 90° (see image). Ethyldichloroarsine has high chronic toxicity, similar to lewisite.[3]

References

  1. "Chemical Warfare-A Chemical and Toxicological Review". American Journal of Public Health and the Nation's Health 34 (5): 455–60. May 1944. doi:10.2105/AJPH.34.5.455. PMID 18015982. 
  2. "Methyldichloroarsine". NorthShore University HealthSystem. http://www.northshore.org/healthresources/encyclopedia/bioterrorism/ch018200.aspx. 
  3. "In-Line Reactions and Ionizations of Vaporized Diphenylchloroarsine and Diphenylcyanoarsine in Atmospheric Pressure Chemical Ionization Mass Spectrometry". Journal of the American Society for Mass Spectrometry 27 (7): 1219–26. July 2016. doi:10.1007/s13361-016-1394-0. PMID 27098411.