80-43-3
Product Name:
Dicumyl peroxide
Formula:
C18H22O2
Synonyms:
Bis(α,α-dimethylbenzyl) peroxide;Bis(1-methyl-1-phenylethyl) peroxide
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
Physical Description | Dicumyl peroxide is a white powder with a characteristic odor. (NTP, 1992) |
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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 |
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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 |
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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)