CAS Registry Number: 644-31-5
CAS Name: Acetyl benzoyl peroxide
Additional Names: benzoyl acetyl peroxide; benzozone
Molecular Formula: C9H8O4
Molecular Weight: 180.16
Percent Composition: C 60.00%, H 4.48%, O 35.52%
Literature 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).
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.
Melting point: mp 36-37°
Boiling point: bp19 130°
CAUTION: Strong oxidizing agent. Can cause severe skin burns.
Use: Germicide; in bleaching of flour and food oils.