<p><b>1-溴代異戊烷</b>（1-Bromoisopentane；isoamyl bromide），又稱<b>異戊基溴</b>，學名<b>1-溴-3-甲基丁烷</b>，分子式C<sub>5</sub>H<sub>11</sub>Br。
</p>
<h2><span id=".E6.80.A7.E8.B4.A8"></span><span id="性质">性質</span></h2>
<ul><li>無色液體。</li>
<li>微溶於水：0.02 g/100 mL（16.5°C）</li>
<li>與乙醇、乙醚混溶。</li>
<li>熔點：−112 °C</li>
<li>沸點：120.4 °C</li>
<li>相對密度：（<span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ d_{4}^{20}}">
  <semantics>
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    </mrow>
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  </semantics></math></span></span>）1.2071</li>
<li>折射率：（<span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ n_{D}^{20}}">
  <semantics>
    <mrow class="MJX-TeXAtom-ORD">
      <mstyle displaystyle="true" scriptlevel="0">
        <mtext> </mtext>
        <msubsup>
          <mi>n</mi>
          <mrow class="MJX-TeXAtom-ORD">
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      </mstyle>
    </mrow>
    <annotation encoding="application/x-tex">{\displaystyle \ n_{D}^{20}}</annotation>
  </semantics></math></span></span>）1.4420</li>
<li>高濃度時可損害肝臟。</li></ul><h2><span id=".E5.88.B6.E5.A4.87"></span><span id="制备">製備</span></h2>
<p>由異戊醇與氫溴酸在100～106°C下反應得到。
</p>
<dl><dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ (CH_{3})_{2}CHCH_{2}CH_{2}OH+HBr\ {\xrightarrow[{5hrs}]{H_{2}SO_{4}}}\ (CH_{3})_{2}CHCH_{2}CH_{2}Br+H_{2}O}">
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    <annotation encoding="application/x-tex">{\displaystyle \ (CH_{3})_{2}CHCH_{2}CH_{2}OH+HBr\ {\xrightarrow[{5hrs}]{H_{2}SO_{4}}}\ (CH_{3})_{2}CHCH_{2}CH_{2}Br+H_{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>用作有機合成、醫藥和染料中間體。
</p>
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**1 - 溴代異戊烷**（1-Bromoisopentane；isoamyl bromide），又稱**異戊基溴**，學名 **1 - 溴 - 3 - 甲基丁烷**，分子式 C5H11Br。

## 性質

* 無色液體。
* 微溶於水：0.02 g/100 mL（16.5°C）
* 與乙醇、乙醚混溶。
* 熔點：−112 °C
* 沸點：120.4 °C
* 相對密度：（ $\ d_{4}^{20}$ ）1.2071
* 折射率：（ $\ n_{D}^{20}$ ）1.4420
* 高濃度時可損害肝臟。

## 製備

由異戊醇與氫溴酸在 100～106°C 下反應得到。

　
: $\ (CH_{3})_{2}CHCH_{2}CH_{2}OH+HBr\ {\xrightarrow[{5hrs}]{H_{2}SO_{4}}}\ (CH_{3})_{2}CHCH_{2}CH_{2}Br+H_{2}O$

## 用途

用作有機合成、醫藥和染料中間體。
1-溴代异戊烷