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644-31-5

644-31-5 Structure

644-31-5 Structure
IdentificationBack Directory
[Name]

Acetyl benzoyl peroxide
[CAS]

644-31-5
[Synonyms]

Acetozone
Benzozone
Acetyl benzoyl peroxide
Peroxide, acetyl benzoyl
acetyl benzenecarboperoxoate
ACETYLBENZOYLPEDROXIDE(SOLID)
ethanoyl benzenecarboperoxoate
ACETYLBENZOYLPEROXIDE(SOLUTION)
benzenecarboperoxoic acid acetyl ester
acetyl benzoyl peroxide, <= 45% solution
[EINECS(EC#)]

211-412-7
[Molecular Formula]

C9H8O4
[MOL File]

644-31-5.mol
[Molecular Weight]

180.157
Chemical PropertiesBack Directory
[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)
Hazard InformationBack Directory
[Uses]

Germicide; in bleaching of flour and food oils.
[General Description]

A solution containing less than 40% by mass of the white crystalline solid in a nonvolatile solvent. Dilution moderates reactivity of the pure solvent. Irritating to the skin, eyes and mucous membranes.
[Air & Water Reactions]

Decomposed by water [Hawley].
[Reactivity Profile]

Acetyl benzoyl peroxide SOLUTION [<= 40% PEROXIDE] is a powerful oxidizing agent. Reacts with reducing agents (including many common organic materials). These reactions may lead to ignition. Decomposes when heated.
[Potential Exposure]

Used in disinfectants, to bleach flour; and in medications.
[First aid]

If this chemical gets into the eyes, remove any contact lenses at once, and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Medical observation is recommended for 24 to 48 hours after breathing overexposure, as pulmonary edema may be delayed.
[Shipping]

UN3105 Organic peroxide type D, liquid, Hazard Class: 5.2; Labels: 5.2-Organic peroxide, Technical Name Required
[Incompatibilities]

Acetyl benzoyl peroxide is an organic peroxide which can detonate if shocked, heated, or on contact with contaminants. A powerful oxidizer. Violent reaction with many compounds, including reducing agents; chemically active metals; combustible materials, strong acids, alkaline earth sulfides, aluminum carbides, aluminum, amines, calcium sulfide, carbides, chlorine trifluoride, glycerin, hydrides, hydrochloric acid, hydrogen peroxide, hydrogen sulfide, hydroxylamine, magnesium, metal powders, metal sulfides, molybdenum, phenylhydrazine, phosphorous red/friction, phosphorous trichloride, silicon, sulfides, sulfur, sulfur dioxide, sulfur/friction, sulfuric acid, tungsten, hydrogen trisulfide. Avoid contact with moisture, water, steam, sources of ignition, combustible materials. Not compatible with strong bases; reducing materials; other oxidizers
[Chemical Properties]

Acetyl benzoyl peroxide is a white crystalline solid, forming needles.
Safety DataBack Directory
[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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