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

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℃
• CAS DataBase Reference: 80-43-3(CAS DataBase Reference)
• EPA Substance Registry System: Dicumyl peroxide (80-43-3)

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
• F: 4.2
• TSCA: Yes
• HazardClass: 5.2
• PackingGroup: II
• HS Code: 29096000
• Hazardous Substances Data: 80-43-3(Hazardous Substances Data)
• Toxicity: LD50 orally in Rabbit: 4100 mg/kg