<p><b>1,1-二氟乙烯</b>，結構式F<sub>2</sub>C＝CH<sub>2</sub>。
</p>


<h2><span id=".E6.80.A7.E8.B4.A8"></span><span id="性质">性質</span></h2>
<p>無色微有醚臭的易燃氣體。微溶於水，溶於乙醇和乙醚。
</p>
<h2><span id=".E5.88.B6.E5.A4.87"></span><span id="制备">製備</span></h2>
<p>1,1-二氟乙烷與定量的氯氣在650～680°C進行反應，前者發生熱解生成1,1-二氟乙烯。反應後經壓縮、分餾和提純，得成品。
</p>
<dl><dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ CH_{3}CHF_{2}+Cl_{2}\ {\xrightarrow {650\!-\!680^{o}C}}\ CH_{2}\!=\!CF_{2}+2HCl}">
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  </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>用於製造聚偏二氟乙烯、氟橡膠和氟塑料，以及各種共聚物和含氟彈性體。
</p>
<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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**1,1 - 二氟乙烯**，結構式 F2C＝CH2。

## 性質

無色微有醚臭的易燃氣體。微溶於水，溶於乙醇和乙醚。

## 製備

1,1 - 二氟乙烷與定量的氯氣在 650～680°C 進行反應，前者發生熱解生成 1,1 - 二氟乙烯。反應後經壓縮、分餾和提純，得成品。

　
: $\ CH_{3}CHF_{2}+Cl_{2}\ {\xrightarrow {650\!-\!680^{o}C}}\ CH_{2}\!=\!CF_{2}+2HCl$

## 用途

用於製造聚偏二氟乙烯、氟橡膠和氟塑料，以及各種共聚物和含氟彈性體。

## 參考資料
1,1-二氟乙烯