三氧化二铬 Chromium(III) oxide
（重定向自Chromium sesquioxide）
-oxide-sample5856.jpg")
![](/Images/godic/202501/04/Cr2o3_gruener_farbstoff5857.jpg")
![](/Images/godic/202501/04/Eskolaite_structure5857.jpg")
![](/Images/godic/202501/04/Corundum_struct5857.png")
三氧化二铬是一个无机氧化物，化学式为Cr2O3，其中的铬为+3氧化态。三氧化二铬是常见的铬氧化物之一，用于制取其他铬化合物。
Chromium sesquioxide
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英语百科
Chromium(III) oxide 三氧化二铬
（重定向自Chromium sesquioxide）
![Eskolaite mineral](/Images/godic/202501/04/Eskolaite5857.jpg")
Chromium(III) oxide is the inorganic compound of the formula Cr
2O
3. It is one of the principal oxides of chromium and is used as a pigment. In nature, it occurs as the rare mineral eskolaite.
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