Diphenylcyanoarsine
Structural formula of diphenylcyanoarsine
Space-filling model of diphenylcyanoarsine
Names
Preferred IUPAC name
Diphenylarsinous cyanide
Systematic IUPAC name
Diphenylarsanecarbonitrile
Other names
Clark 2

Diphenylarsinecarbonitrile
Diphenylarsine cyanide
Di(phenyl)arsanylformonitrile

Diphenylcyanoarsine
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.041.545
EC Number
  • 245-716-6
MeSH Clark+2
UNII
  • InChI=1S/C13H10AsN/c15-11-14(12-7-3-1-4-8-12)13-9-5-2-6-10-13/h1-10H checkY
    Key: BDHNJKLLVSRGDK-UHFFFAOYSA-N checkY
  • InChI=1/C13H10AsN/c15-11-14(12-7-3-1-4-8-12)13-9-5-2-6-10-13/h1-10H
  • C1=CC=C(C=C1)[As](C#N)C2=CC=CC=C2
  • N#C[As](C1=CC=CC=C1)C1=CC=CC=C1
Properties
C13H10AsN
Molar mass 255.002920742 g mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Diphenylcyanoarsine, also called Clark 2 (Chlor-Arsen-Kampfstoff 2, being the successor of Clark 1) by the Germans, was discovered in 1918 by Sturniolo and Bellinzoni[1] and shortly thereafter used like the related Clark 1 gas by the Germans for chemical warfare in the First World War. The substance causes nausea, vomiting, and headaches. It can subsequently lead to e.g. pulmonary edema (fluid in the lungs).

See also

References

  1. ↑ Sturniolo, G. und Bellinzoni, G. (1919); Boll. chim. pharm., 58, 409–410
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