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乙酸铀酰

乙酸铀酰
IUPAC名
乙酸铀(VI)酰
别名 醋酸铀酰、醋酸双氧铀、
乙酸双氧铀
识别
CAS号 541-09-3  checkY
(无水的)
[6159-44-0] (二水合物)
SMILES
 
  • CC(=O)[O-].CC(=O)[O-].O=[U+2]=O
性质
化学式 UO2(CH3COO)2 (无水的)
UO2(CH3COO)2·2H2O (二水合物)
摩尔质量 424.146 g/mol (二水合物) g·mol⁻¹
外观 黄色结晶固体 (二水合物)
密度 2.89 g/cm3 (二水合物)
熔点 于80 °C 分解 (二水合物)
溶解性 轻微地溶解于乙醇[1]
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

乙酸铀酰(UO2(CH3COO)2·2H2O)是乙酸盐,是由黄绿色斜方晶体组成的黄绿色结晶固体,带有轻微的醋酸气味。乙酸铀酰有轻微的放射性,其放射性的精确数值取决于所含同位素。该化合物是一种核燃料衍生物,其使用受国际法限制。

制备

[编辑]

乙酸铀酰可由乙酸作用于三氧化铀得到,其二水合物可以从溶液中析出。二水合物在115℃失水,变为无水物。无水物也可以由乙酸酐硝酸铀酰反应得到。[2]

参考资料

[编辑]
  1. ^ Lide, David R., Handbook of Chemistry and Physics 87, Boca Raton, FL: CRC Press: 3–566, 1998, ISBN 0-8493-0594-2 
  2. ^ 《无机化学丛书》. 第十卷. 锕系 锕系后元素. 科学出版社. P136. 7.4.5 铀的其他化合物


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乙酸铀酰
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