Peroxybenzoic acid

Peroxybenzoic acid

Names
Preferred IUPAC name Benzenecarboperoxoic acid
Other names Peroxybenzoic acid Perbenzoic acid (no longer recommended) Benzoperoxoic acid
Identifiers
CAS Number	93-59-4 Y
3D model (JSmol)	Interactive image
ChemSpider	456283 N
ECHA InfoCard	100.002.056
EC Number	202-260-2
MeSH	C017611
PubChem CID	523077
InChI InChI=1S/C7H6O3/c8-7(10-9)6-4-2-1-3-5-6/h1-5,9H N Key: XCRBXWCUXJNEFX-UHFFFAOYSA-N N InChI=1/C7H6O3/c8-7(10-9)6-4-2-1-3-5-6/h1-5,9H Key: XCRBXWCUXJNEFX-UHFFFAOYAA
SMILES OOC(=O)c1ccccc1
Properties
Chemical formula	C7H6O3
Molar mass	138.12 g/mol
Melting point	41 to 42 °C (106 to 108 °F; 314 to 315 K)
Acidity (pKa)	7.8
Related compounds
Related compounds	m-Chloroperoxybenzoic acid; hydrogen peroxide; benzoic acid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N  (what is YN ?)
Infobox references

Peroxybenzoic acid is a simple peroxy acid. It may be synthesized from benzoic acid and hydrogen peroxide, or by the treatment of benzoyl peroxide with sodium methoxide, followed by acidification.

Like other peroxyacids, it may be used to generate epoxides, such as styrene oxide from styrene: