<p><b>硬脂酸鈣</b>，分子式(C<sub>17</sub>H<sub>35</sub>COO)<sub>2</sub>Ca。
</p>


<h2><span id=".E6.80.A7.E8.B4.A8"></span><span id="性质">性質</span></h2>
<p>白色無味細微粉末，在空氣中有吸水性。不溶於水，微溶於熱乙醇、醚。與強酸反應生成硬脂酸與相應的鈣鹽。低毒。
</p>
<h2><span id=".E5.88.B6.E5.A4.87"></span><span id="制备">製備</span></h2>
<p>硬脂酸與氫氧化鈉溶液作用得到稀皂液，再與氯化鈣混合，生成硬脂酸鈣粗品，經洗滌、甩水、乾燥得成品。
</p>
<dl><dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ C_{17}H_{35}COOH+NaOH\rightarrow C_{17}H_{35}COONa+H_{2}O}">
  <semantics>
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        </msub>
        <msub>
          <mi>H</mi>
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        <mi>C</mi>
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        <mi>a</mi>
        <mi>O</mi>
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    <annotation encoding="application/x-tex">{\displaystyle \ C_{17}H_{35}COOH+NaOH\rightarrow C_{17}H_{35}COONa+H_{2}O}</annotation>
  </semantics></math></span></span></dd>
<dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ 2C_{17}H_{35}COONa+CaCl_{2}\rightarrow (C_{17}H_{35}COO)_{2}Ca+2NaCl}">
  <semantics>
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            <mn>35</mn>
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        <mi>C</mi>
        <mi>O</mi>
        <mi>O</mi>
        <mi>N</mi>
        <mi>a</mi>
        <mo>+</mo>
        <mi>C</mi>
        <mi>a</mi>
        <mi>C</mi>
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    <annotation encoding="application/x-tex">{\displaystyle \ 2C_{17}H_{35}COONa+CaCl_{2}\rightarrow (C_{17}H_{35}COO)_{2}Ca+2NaCl}</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>用作聚氯乙烯穩定劑、潤滑劑。
</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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**硬脂酸鈣**，分子式 (C17H35COO)2Ca。

## 性質

白色無味細微粉末，在空氣中有吸水性。不溶於水，微溶於熱乙醇、醚。與強酸反應生成硬脂酸與相應的鈣鹽。低毒。

## 製備

硬脂酸與氫氧化鈉溶液作用得到稀皂液，再與氯化鈣混合，生成硬脂酸鈣粗品，經洗滌、甩水、乾燥得成品。

　
: $\ C_{17}H_{35}COOH+NaOH\rightarrow C_{17}H_{35}COONa+H_{2}O$

　
: $\ 2C_{17}H_{35}COONa+CaCl_{2}\rightarrow (C_{17}H_{35}COO)_{2}Ca+2NaCl$

## 用途

用作聚氯乙烯穩定劑、潤滑劑。

## 參考資料
1592-23-0