<p><b>四羰基合鐵酸</b>是一種<span data-orig-title="有机铁化合物" data-lang-code="en" data-lang-name="英語" data-foreign-title="Organoiron chemistry"><span>有機鐵化合物</span></span>，化學式為H<sub>2</sub>Fe(CO)<sub>4</sub>，對熱、光不穩定。它是第一個發現的<span data-orig-title="过渡金属氢化物" data-lang-code="en" data-lang-name="英語" data-foreign-title="Transition metal hydride"><span>過渡金屬氫化物</span></span>。
</p><p>它最初由Hieber和Leutert對HFe(CO)<span>−<br>4</span>質子化製得：</p>
<dl><dd>Fe(CO)<sub>5</sub> + 2 OH<sup>−</sup> → HFe(CO)<span>−<br>4</span> + HCO<span>−<br>3</span></dd>
<dd>HFe(CO)<span>−<br>4</span> + H<sup>+</sup> → H<sub>2</sub>Fe(CO)<sub>4</sub></dd></dl><p>它可以通過阱至阱蒸餾來提純。</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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**四羰基合鐵酸**是一種有機鐵化合物，化學式為 H2Fe(CO)4，對熱、光不穩定。它是第一個發現的過渡金屬氫化物。

它最初由 Hieber 和 Leutert 對 HFe (CO)− 
4 質子化製得：

　
: Fe(CO)5 + 2 OH− → HFe(CO)− 
4 + HCO− 
3

　
: HFe(CO)− 
4 + H+ → H2Fe(CO)4

它可以通過阱至阱蒸餾來提純。

## 參考文獻
12002-28-7