Ethyldichloroarsine
Appearance
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Names | |||
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IUPAC name
Ethylarsonous dichloride
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Other names
ED
Dichloroethylarsane; DICK | |||
Identifiers | |||
3D model (JSmol)
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ChemSpider | |||
ECHA InfoCard | 100.009.019 | ||
EC Number |
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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 | |||
Occupational safety and health (OHS/OSH): | |||
Main hazards
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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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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.[citation needed]