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Merck
CN

329541

Dicumyl peroxide

98%

Synonym(s):

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

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About This Item

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

Key Documents

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Product Name

Dicumyl peroxide, 98%

InChI key

XMNIXWIUMCBBBL-UHFFFAOYSA-N

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

SMILES string

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

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

Quality Level

200

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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.

signalword

Danger

Hazard Classifications

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

Storage Class

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

ppe

dust mask type N95 (US), Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

危险化学品
易制爆化学品
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Certificates of Analysis (COA)

Lot/Batch Number
0000485416
0000485416
0000482882
0000482882
0000475440

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Davi Marcelo Soares et al.
Nanotechnology, 31(14), 145403-145403 (2019-12-21)
The development of feasible, scalable, and environmentally-safe electrode materials that provide stable cycling performance are critical for success of beyond lithium rechargeable batteries and supercapacitors. With respect to the sodium-ion battery (SIB) anodes constituting of transition metal dichalcogenides such as
Nappaphan Kunanusont et al.
Polymers, 12(8) (2020-08-08)
Thermoplastic vulcanizate (TPV) has excellent elastomeric properties and can be reprocessed multiple times. TPV is typically produced by using the dynamic vulcanization (DV) method in which rubber is crosslinked simultaneously with thermoplastics. Peroxide-crosslinked TPV can increase the compatibility between rubber
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)
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