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Chemical compound From Wikipedia, the free encyclopedia
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).
Names | |
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Preferred IUPAC name
Diphenylarsinous cyanide | |
Systematic IUPAC name
Diphenylarsanecarbonitrile | |
Other names
Clark 2 Diphenylarsinecarbonitrile | |
Identifiers | |
3D model (JSmol) |
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ChemSpider | |
ECHA InfoCard | 100.041.545 |
EC Number |
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MeSH | Clark+2 |
PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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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).
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