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644-31-5

Name Acetyl benzoyl peroxide
CAS 644-31-5
EINECS(EC#) 211-412-7
Molecular Formula C9H8O4
Molecular Weight 180.157
MOL File 644-31-5.mol

Chemical Properties

Appearance Acetyl benzoyl peroxide is a white crystalline solid, forming needles.
Melting point  36-37°
Boiling point  bp19 130°
density  1.2933 (rough estimate)
refractive index  1.4500 (estimate)
CAS DataBase Reference 644-31-5
EPA Substance Registry System Peroxide, acetyl benzoyl (644-31-5)

Safety Data

RIDADR  3105
HazardClass  5.2
PackingGroup  II
Safety Profile
Poison by inhalation and ingestion. Severe irritant. A powerful oxidzing agent that is corrosive to the skin and mucous membranes. See also PEROXIDES, ORGANIC. Dangerous; shock or heat will cause detonation with evolution of toxic fumes; will react with water or steam to produce heat; can react vigorously with reducing materials. Flammable by spontaneous chemical reaction. To fight fire, use Con or dry chemical. When heated to decomposition it emits acrid smoke and fumes.
Hazardous Substances Data 644-31-5(Hazardous Substances Data)

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