Tetramethyldiarsine (CH 3 ) 2 As--As(CH 3 ) 2. A colorless, highly toxic liquid with an extremely unpleasant odor. Melting point -6°C, boiling point 165°C. It is obtained by reacting cacodylic chloride (CH 3 ) 2 AsCl with zinc. It ignites in air and burns to produce carbon dioxide, water, and arsenic trioxide. The dimethylarsino group (CH 3 ) 2 As-- is sometimes called the cacodylic group. Cacodylic is an important compound in the history of science. R.W. Bunsen studied the so-called "Cadet's liquid" (cacodylic oxide) from 1837 to 1843, determining its composition and synthesizing a series of about 40 new compounds. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
テトラメチルジアルシン(CH3)2As-As(CH3)2をいう。無色,猛毒の液体で,きわめて不快な臭気をもつ。融点-6℃,沸点165℃。塩化カコジル(CH3)2AsClに亜鉛を作用させて得られる。空気中で発火燃焼し,二酸化炭素,水,三酸化ヒ素になる。ジメチルアルシノ基(CH3)2As-をカコジル基ということもある。 カコジルは科学史上重要な化合物である。R.W.ブンゼンは1837‐43年,いわゆる〈Cadetの液〉(酸化カコジル)の研究を行い,その組成をきめ,さらにおよそ40ほどの新しい一連の化合物を合成した。
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