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Cacodyl : ウィキペディア英語版
Cacodyl

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Cacodyl, dicacodyl, tetramethyldiarsine, alkarsine or minor part of the "Cadet's fuming liquid" (after the French chemist Louis Claude Cadet de Gassicourt) (CH3)2As—As(CH3)2 is a poisonous oily liquid with a garlicky odor. Cacodyl undergoes spontaneous combustion in dry air.
==Preparation==

Cacodyl oxide is prepared by the reaction of potassium acetate with arsenic trioxide.
:4 CH3CO2K + As2O3 → As2(CH3)4 + 2 K2CO3 + 2 CO2
A subsequent reduction or disproportionation of the substance under the reaction conditions yields a mixture of several methylated arsenic compounds.
A far better synthesis was developed which started from the dimethyl arsine chloride and dimethyl arsine.
:As(CH3)2Cl + As(CH3)2H → As2(CH3)4 + HCl

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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