Diphenylcyanoarsine

Diphenylcyanoarsine
Diphenylcyanoarsine
Preferred IUPAC name
Diphenylarsinous cyanide
Systematic name
Diphenylarsanecarbonitrile
Other names
Clark 2

Diphenylarsinecarbonitrile
Diphenylarsine cyanide
Di(phenyl)arsanylformonitrile

Diphenylcyanoarsine
Identifiers
CAS number 23525-22-6 YesY
PubChem 64506
ChemSpider 58070 YesY
EC number 245-716-6
MeSH Clark+2
Jmol-3D images Image 1
Image 2
Properties
Molecular formula C13H10AsN
Molar mass 255.15 g mol−1
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Diphenylcyanoarsine, also called CLARK 2 (Cyanide-Arsenic Kampfstoff) 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 forms colourless, garlic-smelling crystals and causes nausea, vomiting and headaches. It can subsequently lead to e.g. pulmonary oedema (fluid on the lungs).

See also

References

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

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