Home Categories Chemical Reagents Dicumyl peroxyide
A3098512

Dicumyl peroxyide , 99% , 80-43-3

Synonym(s):
Bis(α,α-dimethylbenzyl) peroxide;Bis(1-methyl-1-phenylethyl) peroxide

CAS NO.:80-43-3

Empirical Formula: C18H22O2

Molecular Weight: 270.37

MDL number: MFCD00675945

EINECS: 201-279-3

Update time: 2022-07-08

PRODUCT Properties

Melting point: 39-41 °C (lit.)
Boiling point: 130°C
Density  1.56 g/mL at 25 °C (lit.)
vapor density  9.3 (vs air)
vapor pressure  15.4 mm Hg ( 38 °C)
refractive index  1.5360
Flash point: >230 °F
storage temp.  2-8°C
solubility  Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
form  flakes
color  White
Water Solubility  insoluble
Hydrolytic Sensitivity 4: no reaction with water under neutral conditions
BRN  2056090
Stability: Reacts violently with reducing agents, heavy metals, concentrated acids, concentrated bases. May ignite organic materials on contact. May decompose violently upon exposure to sunlight or if heated. Incompatible with strong oxidizing agents.
LogP 5.6 at 25℃

Description and Uses

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

Symbol(GHS) 
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 Codes  O,Xi,N,Xn
Risk Statements  7-36/38-51/53-36/37/38-20
Safety Statements  14-3/7-36/37/39-61-14A-45-26-36-17
RIDADR  UN 3110 5.2
WGK Germany  2
RTECS  SD8150000
4.2
TSCA  Yes
HazardClass  5.2
PackingGroup  II
HS Code  29096000
Toxicity LD50 orally in Rabbit: 4100 mg/kg

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