乙酸銫

化合物

乙酸銫形成的乙酸鹽,化學式為CH3COOCs,是白色吸濕性固體。它可由氫氧化銫碳酸銫乙酸的反應製備。它可以形成六方晶系晶體,晶胞參數a=1488.0 pm, c=397.65 pm,每個晶胞含有六個單元。[4][5]它熱分解放出甲烷,而乙酸鉀乙酸銣分解則揮發出丙酮[6]它可用於珀金反應[7]

乙酸銫
英文名 Cesium acetate
識別
CAS號 3396-11-0  checkY
性質
化學式 C2H3O2Cs
摩爾質量 191.96 g·mol⁻¹
熔點 194 °C[1]
沸點 380 °C(分解)[2]
溶解性 10 g(11 °C)[3]
若非註明,所有數據均出自標準狀態(25 ℃,100 kPa)下。

參考文獻

  1. ^ CCXXI.—The solubilities of the alkali formates and acetates in water. Journal of the Chemical Society, Transactions, 1922. doi:10.1039/CT9222101837
  2. ^ Meisel, T.; Halmos, Z.; Pungor, E. Investigation of the alkaline salts of some acids in molten phase. Periodica Polytechnica, Chemical Engineering, 1973. 17 (1). 89-95.
  3. ^ David R. Lide (Hrsg.): CRC Handbook of Chemistry and Physics. 90. Auflage. (Internet-Version: 2010), CRC Press/Taylor and Francis, Boca Raton, FL, Physical Constants of Inorganic Compounds, S. 4-57.
  4. ^ Lossin, Adalbert; Meyer, Gerd. Kristallstruktur von Caesiumacetat, Cs(CH3COO). Zeitschrift für anorganische und allgemeine Chemie. 1993, 619 (8): 1462–1464. ISSN 0044-2313. doi:10.1002/zaac.19936190823. 
  5. ^ Hatibarua, J.; Parry, G. S. A crystallographic study of the acetates of potassium, rubidium and caesium. Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry. 1972, 28 (10): 3099–3100. ISSN 0567-7408. doi:10.1107/S0567740872007496. 
  6. ^ Nadirov, E. G. Thermal stability of potassium, rubidium, and cesium acetates(俄文). Deposited Doc., 1977. VINITI 4372-77. pp 1-15. CAN91: 107524.
  7. ^ Koepp, Erich; Vögtle, Fritz. Perkin-Synthese mit Cäsiumacetat. Synthesis. 1987, 1987 (02): 177–179. ISSN 0039-7881. doi:10.1055/s-1987-27880.