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乙酰丙酮镧

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乙酰丙酮镧
英文名 Tris(acetylacetonato)lanthanum
识别
CAS号 14284-88-9  checkY
性质
化学式 C15H21LaO6
摩尔质量 436.23 g·mol−1
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

乙酰丙酮镧是一种配位化合物,化学式为La(C5H7O2)3,或简写为La(acac)3,它的不稳定常数(logYn)分别为3.65、5.13和6.12(对应n=1, 2, 3)。[1]它可由三烷氧基镧和乙酰丙酮反应制得。[2]它的四水合物在110 °C分解为一水合物,在150 °C得到无水物,180~285 °C经La(CH3COO)(acac)2和La(CH3COO)2(acac)生成乙酸镧[3]它可用于制备NaLaS2、La2Zr2O7等材料。[4][5]

参考文献

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  1. ^ N.K. Dutt, P. Banyopadhyay. Chemistry of the lanthanons—XIII. Journal of Inorganic and Nuclear Chemistry. 1964-05, 26 (5): 729–736 [2021-09-20]. doi:10.1016/0022-1902(64)80316-X. (原始内容存档于2018-06-24) (英语). 
  2. ^ Gavrilenko, V. V.; Chekulaeva, L. A.; Savitskaya, I. A.; Garbuzova, I. A. Synthesis of yttrium, lanthanum, neodymium, praseodymium and lutetium alkoxides and acetylacetonates(俄文). Izvestiya Akademi Nauk, Seriya Khimicheskaya, 1992. 11: 2490-2493. ISSN 1026-3500.
  3. ^ Gamal A.M. Hussein, Hamdy M. Ismail. Characterization of lanthanum oxide formed as a final decomposition product of lanthanum acetylacetonate: thermoanalytical, spectroscopic and microscopic studies. Powder Technology. 1995-08, 84 (2): 185–190 [2021-09-20]. doi:10.1016/0032-5910(95)02984-A. (原始内容存档于2018-06-03) (英语). 
  4. ^ Yi Ding, Jun Gu, Tao Zhang, An-Xiang Yin, Lu Yang, Ya-Wen Zhang, Chun-Hua Yan. Chemoaffinity-Mediated Synthesis of NaRES 2 -Based Nanocrystals as Versatile Nano-Building Blocks and Durable Nano-Pigments. Journal of the American Chemical Society. 2012-02-15, 134 (6): 3255–3264 [2021-09-20]. ISSN 0002-7863. doi:10.1021/ja211103b. (原始内容存档于2019-04-20) (英语). 
  5. ^ Yang Wang, Rishi Kumar, Justin Roller, Radenka Maric. Synthesis and Characterization of Nano-crystalline La2Zr2O7 Film by Reactive Spray Deposition Technology for Application in Thermal Barrier Coatings. MRS Advances. 2017-06, 2 (28): 1519–1525 [2021-09-20]. ISSN 2059-8521. doi:10.1557/adv.2017.154 (英语). 

拓展阅读

[编辑]

  • 陈晓红, 段宏昌, 姜恒, 宫红. 固相法合成乙酰丙酮镧. 化工科技, 2007, 15 (1): 21-24.