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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
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vapor density

9.3 (vs air)

Quality Segment

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

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

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