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甲酸亚铊

甲酸亚铊

别名 甲酸铊(I)
识别
CAS号 992-98-3  checkY
性质
化学式 HCOOTl
摩尔质量 249.402 g·mol⁻¹
熔点 103—104 °C(376—377 K)[1]
溶解性 500 g/100 g H2O(10 °C)[2]
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

甲酸亚铊是Tl+甲酸盐化学式为HCOOTl,或写成TlHCO2。它可由硫酸亚铊甲酸钡的反应制得。[3]

性质

[编辑]

甲酸亚铊对热不稳定,在113~300℃分解,产生氢氧化亚铊,之后于300~350℃脱水产生氧化亚铊。继续加热(350~545℃)则氧化为三氧化二铊[4]

HCOOTl → TlOH + CO↑
2 TlOH → Tl2O + H2O
Tl2O + O2 → Tl2O3

参考文献

[编辑]
  1. ^ Robert Charles Menzies. CCII.—Application of thallium compounds in organic chemistry. Part V. Thallous ethoxide and dimethylthallium ethoxide. J. Chem. Soc. 1930, 0 (0): 1571–1573 [2019-11-09]. ISSN 0368-1769. doi:10.1039/JR9300001571 (英语). 
  2. ^ K. Wade, A. J. Banister. The Chemistry of Aluminium, Gallium, Indium and Thallium: Comprehensive Inorganic Chemistry. Elsevier. 2016. pp 1156. ISBN 9781483153223.
  3. ^ Vhay, J. S.; Williamson, A. T. The preparation of thallous formate. American Mineralogist, 1932. 17. 560-563. ISSN: 0003-004X.
  4. ^ 陈维钧, 林景臻, 林树坤. 一价阳离子甲酸盐热分解行为的研究. 福州大学学报(自然科学版), 1992. 20(2): 89-92
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甲酸亚铊
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