<p><b>二氯化鋨</b>是一種無機化合物，化學式為OsCl<sub>2</sub>，它是鋨的氯化物之一。它可用於<span data-orig-title="三烷基胺" data-lang-code="de" data-lang-name="德语" data-foreign-title="Trialkylamine"><span>三烷基胺</span></span>的催化合成中。</p>
<h2><span id=".E5.88.B6.E5.A4.87.E5.8F.8A.E6.80.A7.E8.B4.A8"></span><span id="制备及性质">製備及性質</span></h2>
<p>二氯化鋨可由三氯化鋨在500 °C真空中的歧化反應製得：</p>
<dl><dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {2OsCl3 -&gt; OsCl4 + OsCl2}}}">
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            <mtext>OsCl</mtext>
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    <annotation encoding="application/x-tex">{\displaystyle {\ce {2OsCl3 -&gt; OsCl4 + OsCl2}}}</annotation>
  </semantics></math></span></span></dd></dl><p>它是吸濕性的暗棕色固體，難溶於水，不和鹽酸或硫酸反應。它可以和2,2'-聯吡啶形成配位化合物。</p>
<h2><span id=".E5.8F.82.E8.80.83.E6.96.87.E7.8C.AE"></span><span id="参考文献">參考文獻</span></h2>

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**二氯化鋨**是一種無機化合物，化學式為 OsCl2，它是鋨的氯化物之一。它可用於三烷基胺的催化合成中。

## 製備及性質

二氯化鋨可由三氯化鋨在 500 °C 真空中的歧化反應製得：

　
: ${\ce {2OsCl3 -> OsCl4 + OsCl2}}$

它是吸濕性的暗棕色固體，難溶於水，不和鹽酸或硫酸反應。它可以和 2,2'- 聯吡啶形成配位化合物。

## 參考文獻
13444-92-3