Acetyl benzoyl peroxide
[CAS# 644-31-5]

Identification

• Name: Acetyl benzoyl peroxide
• Synonyms: Acetozone; Benzoyl acetyl peroxide; Benzozone; Trigonox P 50S
• Molecular Formula: C₉H₈O₄
• Molecular Weight: 180.16
• CAS Registry Number: 644-31-5
• EC Number: 211-412-7

Properties

• Solubility: Slightly soluble (3.2 g/L) (25 ºC), Calc.^*
• Density: 1.222±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 105 ºC^**
• Boiling point: 130 ºC (19 Torr)^***
• Flash point: 104.0±22.7 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** Pavlovich, P. I.; Zhurnal Prikladnoi Khimii (Sankt-Peterburg, Russian Federation) 1941, V14, P551-9.

^*** "Hazardous Substances Data Bank" data were obtained from the National Library of Medicine (US)

Safety Data

• Hazardous Chemical?: Yes