Ethyldichloroarsine
Ethyldichloroarsine, sometimes abbreviated "ED", 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.[1] The molecule is pyramidal with the Cl-As-Cl and C-As-Cl angles approaching 90° (see image). Its toxic action is similar to lewisite.
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| Names | |||
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| IUPAC name
Ethylarsonous dichloride | |||
| Other names
ED Dichloroethylarsane; DICK | |||
| Identifiers | |||
3D model (JSmol) |
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| ChemSpider | |||
| ECHA InfoCard | 100.009.019  | ||
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PubChem CID |
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| RTECS number |
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| UNII | |||
| UN number | 1892 | ||
CompTox Dashboard (EPA) |
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| Properties | |||
| C2H5AsCl2 | |||
| Molar mass | 174.8893 g/mol | ||
| Appearance | Colorless, mobile liquid | ||
| Density | 1.742 @ 14 deg C | ||
| Melting point | -65°C | ||
| Boiling point | 156°C (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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References
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