<p><b>乙酸正己酯</b>，又稱<b>乙酸己酯</b>，分子式C<sub>8</sub>H<sub>18</sub>O<sub>2</sub>，是一種芳香味化合物。
</p>


<h2><span id=".E6.80.A7.E8.B4.A8"></span><span id="性质">性質</span></h2>
<p>有濃郁果香氣味的無色透明液體。相對密度0.8779（20°C）。熔點−80.9°C。沸點171.5°C。折射率1.4092（20°C）。不溶於水，易溶於乙醇和乙醚。有刺激性，不過毒性比低級乙酸酯要小。
</p>
<h2><span id=".E5.88.B6.E5.A4.87"></span><span id="制备">製備</span></h2>
<p>由乙酸與己醇在硫酸催化下酯化，再經中和、水洗和精餾而得。
</p>
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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>用於果實香精的調製。
</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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**乙酸正己酯**，又稱**乙酸己酯**，分子式 C8H18O2，是一種芳香味化合物。

## 性質

有濃郁果香氣味的無色透明液體。相對密度 0.8779（20°C）。熔點−80.9°C。沸點 171.5°C。折射率 1.4092（20°C）。不溶於水，易溶於乙醇和乙醚。有刺激性，不過毒性比低級乙酸酯要小。

## 製備

由乙酸與己醇在硫酸催化下酯化，再經中和、水洗和精餾而得。

　
: $\ CH_{3}COOH+CH_{3}(CH_{2})_{5}OH\ {\xrightarrow {H_{2}SO_{4}}}\ CH_{3}COO(CH_{2})_{5}CH_{3}+H_{2}O$

## 用途

用於果實香精的調製。

## 參考文獻
142-92-7