<p><b>氯化鎘</b>是一種無色單斜晶系晶體。分子式為CdCl<sub>2</sub>，極易溶於水，微溶於甲醇、乙醇，難溶於丙酮、乙醚。
</p>
<h2><span id=".E5.88.B6.E5.A4.87"></span><span id="制备">製備</span></h2>
<p>氯化鎘一般可以用氯化氫和鎘在450℃反應製成：
</p>
<dl><dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ Cd+2HCl\to CdCl_{2}+H_{2}}">
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    <annotation encoding="application/x-tex">{\displaystyle \ Cd+2HCl\to CdCl_{2}+H_{2}}</annotation>
  </semantics></math></span></span></dd></dl><p>也可以通過乙酸鎘的冰乙酸溶液和乙醯氯反應得到，產生的白色沉澱即為產物：</p>
<dl><dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ Cd(CH_{3}COO)_{2}+2CH_{3}COCl\to CdCl_{2}\downarrow +2(CH_{3}CO)_{2}O}">
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    <annotation encoding="application/x-tex">{\displaystyle \ Cd(CH_{3}COO)_{2}+2CH_{3}COCl\to CdCl_{2}\downarrow +2(CH_{3}CO)_{2}O}</annotation>
  </semantics></math></span></span></dd></dl><h2><span id=".E7.94.A8.E9.80.94"></span><span id="用途">用途</span></h2>
<p>氯化鎘可用於製造硫化鎘：
</p>
<dl><dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ CdCl_{2}+H_{2}S\to CdS+2HCl}">
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    <annotation encoding="application/x-tex">{\displaystyle \ CdCl_{2}+H_{2}S\to CdS+2HCl}</annotation>
  </semantics></math></span></span></dd></dl><h2><span id=".E5.8F.82.E8.80.83.E8.B5.84.E6.96.99"></span><span id="参考资料">參考資料</span></h2>

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**氯化鎘**是一種無色單斜晶系晶體。分子式為 CdCl2，極易溶於水，微溶於甲醇、乙醇，難溶於丙酮、乙醚。

## 製備

氯化鎘一般可以用氯化氫和鎘在 450℃反應製成：

　
: $\ Cd+2HCl\to CdCl_{2}+H_{2}$

也可以通過乙酸鎘的冰乙酸溶液和乙醯氯反應得到，產生的白色沉澱即為產物：

　
: $\ Cd(CH_{3}COO)_{2}+2CH_{3}COCl\to CdCl_{2}\downarrow +2(CH_{3}CO)_{2}O$

## 用途

氯化鎘可用於製造硫化鎘：

　
: $\ CdCl_{2}+H_{2}S\to CdS+2HCl$

## 參考資料
10108-64-2