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乙酰丙酮氧钒(IV)

乙酰丙酮氧钒(IV)
IUPAC名
oxobis(2,4-pentanedionato)vanadium(IV)
别名 VO(acac)2
乙酰丙酮钒酰
识别
CAS号 3153-26-2  checkY
PubChem 16217092
性质
化学式 C10H14O5V
摩尔质量 265.157 g·mol⁻¹
外观 蓝绿色固体
密度 1.50 g/cm3
熔点 258 °C(531 K)
沸点 174 °C(447 K)
溶解性 CHCl3, CH2Cl2, C6H6, CH3OH, CH3CH2OH
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

乙酰丙酮氧钒(IV)是VO2+的乙酰丙酮盐,化学式为VO(acac)2,其中V为+4价。这个配合物的钒酰基(VO2+)通过两个O原子分别连接至两个乙酰丙酮离子(acac-)。它和其它电中性的乙酰丙酮盐一样,难溶于水。

制备

该配合物可由四价钒化合物,如硫酸氧钒(IV)制备:[1]

VOSO4 + 2 Hacac → VO(acac)2 + H2SO4

它也能通过五氧化二钒乙酰丙酮的氧化还原反应制备。但是其中一部分乙酰丙酮会被氧化为戊三酮[1]

拓展链接

参考文献

  1. ^ 1.0 1.1 Rowe, Richard A.; Jones, Mark M. Vanadium(IV) Oxy(acetylacetonate). Inorganic Syntheses. 1957, 5: 113–116. ISBN 978-0-470-13236-4. doi:10.1002/9780470132364.ch30. 
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乙酰丙酮氧钒(IV)
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