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| Names | |
|---|---|
| Preferred IUPAC name Dimethylarsinous anhydride | |
| Other names TL-297 | |
| Identifiers | |
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3D model (JSmol) | |
| ChemSpider |
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| ECHA InfoCard | 100.376.169 |
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| Properties | |
| C4H12As2O | |
| Molar mass | 255.98 g/mol |
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). | |
Cacodyl oxide is achemical compound of theformula [(CH3)2As]2O. Thisorganoarsenic compound is primarily of historical significance since it is sometimes considered to be the firstorganometallic compound synthesized in relatively pure form.[1][2]
"Cadet's fuming liquid", which is composed ofcacodyl and cacodyl oxide, was originallysynthesized by heatingpotassium acetate witharsenic trioxide. It has a disagreeableodor and is toxic.
The molecular structure of [Ph2As]2O (Ph =phenyl), the tetraphenyl analogue of cacodyl oxide, has been established byX-ray crystallography.[3]
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