Cacodyl oxide explained

Cacodyl oxide is a chemical compound of the formula [(CH<sub>3</sub>)<sub>2</sub>As]2O. This organoarsenic compound is primarily of historical significance since it is sometimes considered to be the first organometallic compound synthesized in relatively pure form.[1] [2]

"Cadet's fuming liquid", which is composed of cacodyl and cacodyl oxide, was originally synthesized by heating potassium acetate with arsenic trioxide. It has a disagreeable odor and is toxic.

The molecular structure of [Ph<sub>2</sub>As]2O (Ph = phenyl), the tetraphenyl analogue of cacodyl oxide, has been established by X-ray crystallography.[3]

See also

Notes and References

  1. Book: Elschenbroich, C. . Organometallics . 2006 . Wiley-VCH . Weinheim . 9783527293902 .
  2. Cadet's Fuming Arsenical Liquid and the Cacodyl Compounds of Bunsen . D. . Seyferth . Organometallics . 2001 . 20 . 8 . 1488–1498 . 10.1021/om0101947 . free .
  3. 10.1039/b005269h. Group 6 transition metal carbonyl complexes with chalcogen-bridged diarsenic(III) ligands. 2000. Doerrer. Linda H.. Green. Jennifer C.. Green. Malcolm L. H.. Haiduc. Ionel. Jardine. Christian N.. Pascu. Sofia I.. Silaghi-Dumitrescu. Luminita. Watkin. David J.. Journal of the Chemical Society, Dalton Transactions. 19. 3347–3355.

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