329541

Dicumyl peroxide

98%

• Synonym(s): Bis(1-methyl-1-phenylethyl) peroxide, Bis(α,α-dimethylbenzyl) peroxide
• 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
• PubChem Substance ID: 24859798
• NACRES: NA.23

Properties

• 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

Description

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.

Safety Information

• Pictograms: GHS02,GHS07,GHS08,GHS09
• Signal Word: Danger
• Hazard Statements: H242 - H315 - H319 - H360D - H411
• Precautionary Statements: P210 - P235 - P273 - P280 - P308 + P313 - P370 + P378
• 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 2
• 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