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草酸铍

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草酸铍
识别
CAS号 3173-18-0(无水)  checkY
15771-43-4(三水)  checkY
15697-24-2(一水)  checkY
ChemSpider 4953986
SMILES
 
  • [Be+2].C(=O)(C(=O)[O-])[O-]
InChI
 
  • 1S/C2H2O4.Be/c3-1(4)2(5)6;/h(H,3,4)(H,5,6);/q;+2/p-2
InChIKey XQZGLPVUHKSNBQ-UHFFFAOYSA-L
性质
化学式 C
2
BeO
4
摩尔质量 97.03[1] g·mol⁻¹
外观 透明晶体
沸点 365.1 °C(638 K)
溶解性 63.2 g(三水,25 °C)[2]
相关物质
相关化学品 Calcium oxalate
Sodium oxalate
Magnesium oxalate
Strontium oxalate
Barium oxalate
Iron(II) oxalate
Iron(III) oxalate
Lithium oxalate
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

草酸铍是一种无机化合物,化学式为BeC
2
O
4
,是草酸盐[3]它是无色晶体,可溶于水,可以形成水合物晶体。它经热分解[4]可以用来制备高纯度的氧化铍[5]

制备

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草酸铍可由草酸氢氧化铍反应得到:[6]

性质

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草酸铍的水合物加热失水:

需要指出的是,三水合物在50 °C便可缓慢失水,生成一水合物。[7]

参考文献

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  1. ^ BERYLLIUM OXALATE. chemicalbook.com. [15 June 2021]. (原始内容存档于2022-02-04). 
  2. ^ Wirth, Fritz. Oxalates and acetates of beryllium. Zeitschrift fuer Anorganische Chemie, 1914. 87: 7-8.
  3. ^ Novoselova, Aleksandra Vasilʹevna; Bat︠s︡anova, Li︠u︡dmila Rafailovna. Analytical Chemistry of Beryllium. Ann Arbor-Humphrey Science Publishers. 1969: 25 [15 June 2021] (英语). 
  4. ^ Walsh, Kenneth A. Beryllium Chemistry and Processing. ASM International. 2009-01-01: 125 [15 June 2021]. ISBN 978-0-87170-721-5 (英语). 
  5. ^ Dollimore, David; Konieczay, Julie L. The thermal decomposition of beryllium oxalate and related materials. Thermochimica Acta. 1998-09-07, 318 (1–2): 155–163 [15 June 2021]. doi:10.1016/S0040-6031(98)00340-2. (原始内容存档于2022-04-01) (英语). 
  6. ^ Moore, Raymond E. Purification of Beryllium Compounds: A Literature Survey. Oak Ridge National Laboratory. 1960: 6 [15 June 2021] (英语). 
  7. ^ Hamner, R. L.; Harris, L. A. Calcination in air of beryllium oxalate trihydrate to beryllium oxide. United States Atomic Energy Commission [Unclassified and Declassified Reports Published by the Atomic Energy Commission and Its Contractors], 1961. ORNL-3183.

延伸阅读

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