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Dicumyl peroxide（DCP）

80-43-3

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Description

MF: C18H22O2
CAS: 80-43-3
MW: 270.37
EINECS NO:201-279-3
Mp：38-41 °C(lit.)
Density：1.56 g/mL at 25 °C(lit.)
Bp：130°C
Water solubility：insoluble
Usage: used as monomer polymerization initiator, polymer material curing agent, crosslinking agent, curing agent, flame retardant additives, etc.
Specification （Q/SH003.04.075—1995）
Measured Item Specification
Content（% wt） ≥99
Total Volatile（% wt） ≤0.20
Melting point（℃） ≥39.00
Appearance White Crystal

Properties:A white rhombus crystal, insoluble in water, dissolving in alcohol, ether, benzene, cumene and other organic solvents. Sublimable in high vacuum. Mainly decomposing into acetophenone and dimethyl carbinol. Active oxygen content: 5.8%. Decomposing temp.:120℃. Half-life period: 1 min. when temp. is 180℃; 1 hr. when temp. is 135℃; 10 hrs. when temp. is 116℃.
Usage:As an excellent organic peroxide, DCP may serve as initiator for polymerization, a vulcanizing agent, a cross-linking agent, or a solidifying agent, all of which have been found extensively applied to the manufacturing of macro-molecular materials such as rubberwares, polyolefin and foamed plastics. And all these materials are extremely useful in PE cable insulating/EPS and shoe-making industries etc. It is also a suitable additive for flame-retarding coatings.
Packing: Charged into PE plastic bags, each 5kg net weight and 4 bags are packed in carton box, each 20kg net weight.
Storage and Transportation:
a) Not damageable if stored below 30℃
b) Kept from direct sunbeam and violent shaking during transportation
c) Impermissible to be accompanied with strong acids or reductive agent during storage or shipment
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