Dicumyl peroxide

Dicumyl peroxide
Names
	Other names DCUP
Identifiers
CAS Number	80-43-3 ;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL1519055;
ChemSpider	6389;
ECHA InfoCard	100.001.164
EC Number	201-279-3;
PubChem CID	6641;
RTECS number	SD8150000;
UNII	M51X2J0U9D;
UN number	3110
CompTox Dashboard (EPA)	DTXSID1025017 ;
	InChI 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 Key: XMNIXWIUMCBBBL-UHFFFAOYSA-N;
	SMILES CC(C)(C1=CC=CC=C1)OOC(C)(C)C2=CC=CC=C2;
Properties
Chemical formula	C18H22O2
Molar mass	270.372 g·mol−1
Appearance	colorless solid
Density	1.062 g/cm3
Melting point	39 °C (102 °F; 312 K)
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H242, H315, H319, H360, H411
Precautionary statements	P203, P210, P234, P240, P264, P264+P265, P273, P280, P302+P352, P305+P351+P338, P318, P321, P332+P317, P337+P317, P362+P364, P370+P378, P391, P403, P405, P410, P411, P420, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Dicumyl peroxide is an organic compound with the formula (C₆H₅CMe₂O)₂ (Me = CH₃). Classified as a dialky peroxide, it is produced on a large scale industrially for use in polymer chemistry. It serves as an initiator and crosslinking agent in the production of low density polyethylene.

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