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硫酸亚锡

硫酸亚锡
别名 硫酸锡(II)
识别
CAS号 7488-55-3  checkY
PubChem 24854690
ChemSpider 21106484
SMILES
 
  • O=S([O-])([O-])=O.[Sn+2]
InChI
 
  • 1/H2O4S.Sn.2H/c1-5(2,3)4;;;/h(H2,1,2,3,4);;;/q;+2;;/p-2/rH2O4S.H2Sn/c1-5(2,3)4;/h(H2,1,2,3,4);1H2/q;+2/p-2
InChIKey RCIVOBGSMSSVTR-YHUAHBEBAB
EINECS 231-302-2
性质
化学式 SnSO4
摩尔质量 214.77 g·mol⁻¹
外观 黄色无味结晶粉末,易潮解
密度 4.15 g/cm3
熔点 378 °C
沸点 分解[1]
溶解性 330 g/L [1]
危险性
警示术语 R:R36/37
安全术语 S:S26, S39
欧盟分类 刺激性 (Xi)
NFPA 704
0
2
0
 
闪点 不可燃
致死量或浓度:
LD50中位剂量
2207 mg/kg (大鼠经口)[2]
相关物质
其他阴离子 氯化亚锡, 溴化亚锡, 碘化亚锡
其他阳离子 硫酸铅
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

硫酸亚锡,化学式SnSO4

性质

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一种白色或浅黄色结晶粉末,溶于水,溶于稀硫酸,酸性溶液稳定。在空气中逐渐被氧化为四价锡盐。加热至360°C时分解放出二氧化硫

制备

[编辑]

溶于盐酸的氯化亚锡碳酸钠溶液反应得到一氧化锡,然后加入硫酸反应,再经蒸發结晶、过滤和干燥,制得硫酸亚锡。

用途

[编辑]

电镀工业中用作电镀液。印染工业中用作媒染剂。也用作化学分析试剂等。

参考资料

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硫酸亚锡
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