Cacodyl
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| Names | |||
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| Preferred IUPAC name
Tetramethyldiarsane | |||
| Other names
Tetramethyldiarsenic(As—As) Bis(dimethylarsenic)(As—As) | |||
| Identifiers | |||
3D model (JSmol) |
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| ChemSpider | |||
| ECHA InfoCard | 100.006.766 | ||
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PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |||
| C4H12As2 | |||
| Molar mass | 209.983 g·mol−1 | ||
| −99.9·10−6 cm3/mol | |||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |||
Cacodyl, also known as dicacodyl or tetramethyldiarsine, (CH3)2As–As(CH3)2, is an organoarsenic compound that constitutes a major part of "Cadet's fuming liquid" (named after the French chemist Louis Claude Cadet de Gassicourt). It is a poisonous oily liquid with an extremely unpleasant garlicky odor. Cacodyl undergoes spontaneous combustion in dry air.
Cacodyl is also the name of the functional group or radical (CH3)2As.