1,2-苯醌 1,2-Benzoquinone
（重定向自Orthobenzoquinone）
![](/Images/godic/202501/31/Orthobenzoquinone.svg4314.png")
![](/Images/godic/202501/31/1,2-benzoquinone-3D-vdW4314.png")
1,2-苯醌（英语：1,2-Benzoquinone，常称为邻苯醌）是一种红色固体，无色无味，不易挥发，可以在苯、乙醚、丙酮溶解。水果的褐变产物有部分是邻苯醌。
Orthobenzoquinone
中文百科
英语百科
1,2-Benzoquinone 1,2-苯醌
（重定向自Orthobenzoquinone）
1,2-Benzoquinone, also called ortho-benzoquinone or cyclohexa-3,5-diene-1,2-dione, is a ketone, with formula | C=6 | H=4 | O=2 . It is one of the two isomers of quinone, the other being 1,4-benzoquinone.
1,2-Benzoquinone is produced on oxidation of catechol exposed to air in aqueous solution or by ortho oxidation of a phenol. It is a precursor to melanin. It is a red substance soluble in water and insoluble in ethyl ether.
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