Peroxybenzoic acid

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Peroxybenzoic acid
Skeletal formula
Ball-and-stick model
93-59-4 YesY
ChemSpider 456283 N
EC number 202-260-2
Jmol-3D images Image
MeSH C017611
PubChem 523077
Molar mass 138.12 g/mol
Melting point 41 to 42 °C (106 to 108 °F; 314 to 315 K) [1]
Acidity (pKa) 7.8[1]
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 verify (what isYesY/N?)
Infobox references

Peroxybenzoic acid is a simple peroxy acid. It may be synthesized from benzoic acid and hydrogen peroxide,[2] or by the treatment of benzoyl peroxide with sodium methoxide, followed by acidification.[3]

Like other peroxyacids, it may be used to generate epoxides, such as styrene oxide from styrene:[4]

Prilezhaev Reaction


  1. ^ a b Elvers, B. et al. (ed.) (1991) Ullmann's Encyclopedia of Industrial Chemistry, 5th ed. Vol. A19, Wiley, p. 206
  2. ^ Silbert, L. S.; Siegel, E.; Swern, D. (1973). "Peroxybenzoic Acid". Org. Synth. ; Coll. Vol. 5, p. 904 
  3. ^ Géza Braun (1941). "Perbenzoic Acid". Org. Synth. ; Coll. Vol. 1, p. 431 
  4. ^ Harold Hibbert and Pauline Burt (1941). "Styrene Oxide". Org. Synth. ; Coll. Vol. 1, p. 494