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) |
|---|---|
| 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)