<p><b>三碘化鎢</b>是一種無機化合物，化學式為WI<sub>3</sub>，是鎢的碘化物之一。
</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>三碘化鎢可由六羰基鎢和碘反應製得：</p>
<dl><dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {2\ W(CO)_{6}+3\ I_{2}\longrightarrow 2\ WI_{3}+12\ CO} }">
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  </semantics></math></span></span></dd></dl><p>它是黑色固體，加熱時分解，生成碘和低價碘化鎢（WI<sub>2.85</sub>、WI<sub>2.5</sub>、W<sub>6</sub>I<sub>12</sub>等），它的穩定性比三碘化鉬差。它可溶於丙酮和硝基苯，微溶於氯仿。</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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**三碘化鎢**是一種無機化合物，化學式為 WI3，是鎢的碘化物之一。

## 製備及性質

三碘化鎢可由六羰基鎢和碘反應製得：

　
: $\mathrm {2\ W(CO)_{6}+3\ I_{2}\longrightarrow 2\ WI_{3}+12\ CO} $

它是黑色固體，加熱時分解，生成碘和低價碘化鎢（WI2.85、WI2.5、W6I12 等），它的穩定性比三碘化鉬差。它可溶於丙酮和硝基苯，微溶於氯仿。

## 參考文獻
15513-69-6