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CAS NO 80-43-3 crystal dicumyl peroxide DCP 99% used as crosslinking agent for PE foams
Product Name: Dicumyl Perodide, Bis(alpha,alpha-dimethylbenzyl)peroxide, DCP
Molecular formula: C18H22O2
CAS No.: 80-43-3
EINECS No.: 201-279-3
Appearance: White Crystal
Solubility: Insoluble in water; soluble in ethanol, ethyl ether, acetic acid, benzene and petroleum ether, etc.
Product Description:



Dicumyl peroxide which also named vulcanizer DCP, is a white crystal stable at room temperature; insoluble in water; soluble in ethanol, ethyl ether, acetic acid, benzene and petroleum ether, etc..
Dicumyl Peroxide is a strong oxidizing agent. It can be used as initiator for monomer polymerization, and it has wide functions to polymers, such as vulcanizer, crosslinker, hardener and flame retardant additive etc..
Physical/ Chemical Properties:
| Property | Value |
| Molecular Weight | 270.37 g/mol |
| Density | 1.56 g/cm³ at 25℃ |
| Melting Point | 38-41℃ |
| Boiling Point | 130℃ |
| Refractive Index | 1.5360 |
| Water Solubility | Insoluble |
| Appearance | White crystal |
| Risk Codes | R36/38; R51/53; R7 |
| HS Code | 29096000 |
Application:
Dicumyl peroxide is mainly used as crosslinking agent for polymers and elastomers. Polymers which which can be crosslinked with organic peroxides are used to produce hose, wires, tires, rubber seals, etc.
Dicumyl peroxide can also be used as flame-retardant synergist in expanded polystyrene (EPS). In that case, the peroxide is incorporated in small quantities in EPS, and will catalyse the flame retardant action in case of heating.
Safety Terms:
- S36/37/39 Wear suitable protective clothing, gloves and eye/face protection
- S61 Avoid release to the environment
- R36/38 Irritating to eyes and skin
- R51/53 Toxic to quatic organisms, may cause long-term adverse effects in aquatic environment
- R7 May cause fire
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