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次硫酸

次硫酸
别名 氢氧化硫
识别
CAS号 20196-46-7  checkY
PubChem 5460696
ChemSpider 4574173
SMILES
 
  • OSO
InChI
 
  • 1S/H2O2S/c1-3-2/h1-2H
InChIKey HRKQOINLCJTGBK-UHFFFAOYSA-N
Gmelin 1452
ChEBI 33536
性质
化学式 H2O2S
摩尔质量 66.08 g·mol−1
相关物质
相关化合物 过三氧化氢
三硫化氢
相关化学品 HOSO2
亚磺酸
硫氧化氢 HSOH
连二次硫酸 HOSSOH
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

次硫酸(H2SO2)是一种极不稳定的无机酸,目前只制得了次硫酸盐[1]

金属锌与硫酰氯乙醚中反应可制得次硫酸锌:

乙酸钴连二亚硫酸钠溶液作用,再加入过量的,然后通二氧化碳至饱和,可以制得棕色的次硫酸钴晶体[2]

参考资料

  1. ^ Greenwood, N. N.; Earnshaw, A. Chemistry of the Elements 2nd. Oxford:Butterworth-Heinemann. 1997. ISBN 0-7506-3365-4. 
  2. ^ 张青莲. 《无机化学丛书》第五卷:氧、硫、硒分族. 北京: 科学出版社. : P193. ISBN 7-03-002238-6. 
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次硫酸
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