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80-43-3

80-43-3 structural image
Product Name: Dicumyl peroxide
Formula: C18H22O2
Synonyms: Bis(α,α-dimethylbenzyl) peroxide;Bis(1-methyl-1-phenylethyl) peroxide
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Dicumyl peroxide is a white powder with a characteristic odor. (NTP, 1992)
Color/Form Crystals from ethanol
Boiling Point 266 °F at 760 mmHg (decomposes) (NTP, 1992)
Melting Point 40 °C
Flash Point Di-cup r, 160 °F (closed cup); di-cup t, 160 °F (closed cup)
Solubility less than 1 mg/mL at 73 °F (NTP, 1992)
Density 1.02
Vapor Density 9.3 (NTP, 1992) - Heavier than air; will sink (Relative to Air)
LogP log Kow = 5.50
Stability/Shelf Life Stable under recommended storage conditions.
Decomposition The substance decomposes rapidly on heating and under influence of light, causing fire and explosion hazard.
Other Experimental Properties Strong oxidizer, may ignite organic materials on contact
Chemical Classes Plastics & Rubber -> Curing Agents (Aromatic)

SAFETY INFORMATION

Signal word Danger
Pictogram(s)

Flame
Flammables
GHS02

Exclamation Mark
Irritant
GHS07

Health Hazard
GHS08

Environment
GHS09
GHS Hazard Statements H242:Self-reactive substances and mixtures; and Organic peroxides
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H411:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P235:Keep cool.
P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P308+P313:IF exposed or concerned: Get medical advice/attention.
P370+P378:In case of fire: Use … for extinction.

COMPUTED DESCRIPTORS

Molecular Weight 270.4 g/mol
XLogP3 4.3
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 2
Rotatable Bond Count 5
Exact Mass 270.161979940 g/mol
Monoisotopic Mass 270.161979940 g/mol
Topological Polar Surface Area 18.5 Ų
Heavy Atom Count 20
Formal Charge 0
Complexity 254
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

Dicumyl peroxide is a white powder with a characteristic odor. (NTP, 1992)