Skip to Content
Merck
All Photos(3)

Key Documents

View All Documentation

329541

Sigma-Aldrich

Dicumyl peroxide

98%

Synonym(s):

Bis(1-methyl-1-phenylethyl) peroxide, Bis(α,α-dimethylbenzyl) peroxide

Sign Into View Organizational & Contract Pricing
All Photos(3)

About This Item

Linear Formula:
[C6H5C(CH3)2]2O2
CAS Number:
80-43-3
Molecular Weight:
270.37
Beilstein:
2056090
EC Number:
201-279-3
MDL number:
MFCD00036227
UNSPSC Code:
12162002
PubChem Substance ID:
24859798
NACRES:
NA.23

vapor density

9.3 (vs air)

vapor pressure

15.4 mmHg ( 38 °C)

Assay

98%

form

solid

reaction suitability

reagent type: oxidant

mp

39-41 °C (lit.)

density

1.56 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

CC(C)(OOC(C)(C)c1ccccc1)c2ccccc2

InChI

1S/C18H22O2/c1-17(2,15-11-7-5-8-12-15)19-20-18(3,4)16-13-9-6-10-14-16/h5-14H,1-4H3

InChI key

XMNIXWIUMCBBBL-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Application

Dicumyl peroxide (DCP) is used:
  • in vulcanization of rubber
  • as a crosslinking agent in the synthesis of polylactic acid composite fibers
  • in the preparation of polyethylene composites
  • in the synthesis of polyamide 112/ethylene vinyl acetate copolymer blends.

Signal Word

Danger

Hazard Statements

H242,H315,H319,H360D,H411

Hazard Classifications

Aquatic Chronic 2 - Eye Irrit. 2 - Org. Perox. F - Repr. 1B - Skin Irrit. 2

Storage Class Code

5.2 - Organic peroxides and self-reacting hazardous materials

WGK

WGK 3

Flash Point(F)

230.0 °F - closed cup

Flash Point(C)

110 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCL6257
MKCL6256
MKCJ8166
MKCJ8168
MKCJ1982

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Janghyeon Lee et al.
Sensors (Basel, Switzerland), 19(17) (2019-08-29)
Gas chromatography (GC) is the chemical analysis technique most widely used to separate and identify gas components, and it has been extensively applied in various gas analysis fields such as non-invasive medical diagnoses, indoor air quality monitoring, and outdoor environmental
Dominik Dörr et al.
Polymers, 12(5) (2020-05-18)
For the preparation of polylactide (PLA)-based foams, it is commonly necessary to increase the melt strength of the polymer. Additives such as chain extenders (CE) or peroxides are often used to build up the molecular weight by branching or even
The effect of maleic anhydride grafting efficiency on the flexural properties of polyethylene composites
Gunning MA, et al.
Journal of Applied Polymer Science, 124(6), 4799-4808 (2012)
Improvement in mechanical properties of grafted polylactic acid composite fibers via hot melt extrusion
Gunning MA, et al.
Polymer Composites, 35(9), 1792-1797 (2014)
Justyna Miedzianowska et al.
Polymers, 11(4) (2019-04-12)
This work is focused on thermoplastic elastomers composites (TPEs) reinforced with straw. Crop waste with different particle size was used as a filler of ethylene-octene rubber (EOR). Application of cheap and renewable natural fiber like straw into a TPE medium
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service