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329541

Sigma-Aldrich

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
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)

Quality Level

200

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

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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

WGK

WGK 3

Flash Point(F)

230.0 °F

Flash Point(C)

110 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品
易制爆化学品

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Lu Lu et al.
Scientific reports, 8(1), 14233-14233 (2018-09-27)
Polymers with reversible elongation upon cooling (EUC) and contraction upon heating (CUH) enabled applications in actuators, fasteners, dampers, grippers, swimmers, sealants, etc. With the current working temperature being limited to mainly above zero Celsius, applications for subzero Celsius environments are
Milan Parchovianský et al.
Materials (Basel, Switzerland), 13(3) (2020-02-07)
In this work, the influence of different cleaning procedures on adhesion of composite coatings containing passive ceramic and commercial glasses was investigated. Two compositions (C2c, D2-PP) of double-layer polymer-derived ceramic (PDC) coating systems, composed from bond coat and a top
Effect of dynamic cross-linking on phase morphology and dynamic mechanical properties of polyamide 12/ethylene vinyl acetate copolymer blends
Bondan F, et al.
Polym. Bull. null
Chao Wu et al.
Polymers, 11(4) (2019-04-24)
Silicone rubber composites filled with nano-silica are currently widely used as high voltage insulating materials in power transmission and substation systems. We present a systematic study on the dielectric and mechanical performance of silicone rubber filled with surface modified and
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
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