78. Acetozone

Nomenclature

CAS number: 644-31-5
Acetyl benzoyl peroxide; benzoyl acetyl peroxide; benzozone.
C9H8O4; mol wt 180.16.
C 60.00%, H 4.48%, O 35.52%.

Description and references

Prepd from benzaldehyde and acetic anhydride in the presence of O-contg gas and dibenzoyl peroxide: Carruthers, US 1985886 (1935 to Carbide & Carbon Chemicals); Appell, US 3397245 (1968 to Koppers).

Chemical structure

Properties

Crystals, mp 36-37°. bp19 130°. Decomposes on contact with moisture or in a warm place. Soluble in carbon tetrachloride, chloroform, ether, oils. Marketed as a mixture with an equal part of an absorbent powder. Incompat. Water, alkalies, heat.

Caution

Strong oxidizing agent. Can cause severe skin burns.

Use

Germicide; in bleaching of flour and food oils.