Peroxybenzoic acid is an organic compound with the formula C6H5CO3H.

It is the simplest aryl peroxy acid.

It may be synthesized from benzoic acid and hydrogen peroxide,[3] or by the treatment of benzoyl peroxide with sodium methoxide, followed by acidification.

[4] Like other peroxyacids, it may be used to generate epoxides, such as styrene oxide from styrene:[5] This article about an aromatic compound is a stub.

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