LQ-DEHPH 2,5-Dimethyl-2,5-di(2-ethyl hexanoylperoxy)hexane 13052-09-0

ItemContent
Product NameInitiator LQ-DEHPH
Chemical Name2,5-Dimethyl-2,5-di(2-ethyl hexanoylperoxy)hexane
Molecular FormulaC₂₄H₄₆O₆
Molecular Weight430.6
Pure Peroxide Active Oxygen Content7.43%
Actual Peroxide Active Oxygen Content6.84% min.
CAS No.13052-09-0
EINECS/ELINCS No.235-935-5

Properties

PropertyDescription
AppearanceClear liquid
Color20 Pt-Co max.
Density (20°C)0.956 g/cm³
Viscosity (20°C)80 mPa.s
Hydroperoxide Content2.2% max (as 2,5-dihydroperoxide-2,5-dimethylhexane)
Inorganic & Organic Hydrolyzable Chlorine100 mg/kg max.

Safety Indicators

Half-LifeTemperature
0.1 hour105℃
1 hour86℃
10 hours68℃
Thermal Stability DataTemperature
Self-accelerating Decomposition Temperature (SADT)35℃
Critical Temperature (Tem)25℃
Control Temperature (Tc)20℃
Storage Temperature (Tsmax)-20/15℃

Applications

ApplicationDescription
Polymerization InitiatorUsed for the polymerization and copolymerization of ethylene, styrene, butadiene, acrylates, and methacrylates.

Packaging and Transport

PackagingDescription
Standard PackagingTypically packaged in polyethylene containers, 20 kg units. Custom packaging available upon request.
TransportFollows transportation regulations for organic peroxides (Class 5.2, UN 3105).

Storage Instructions

PrecautionDescription
Storage ConditionsStore in a cool, ventilated area, with a maximum temperature of 15°C. Keep away from heat, fire, acids, reducing agents, and flammable substances.
Storage FacilitiesEnsure proper ventilation, with explosion-proof lighting and switches located outdoors.
Handling PrecautionsHandle with care to avoid packaging or container damage. Avoid impact and vibration. Use personal protective equipment during handling and repackaging.

Fire Protection

PrecautionDescription
Small Fire HandlingFor small fires, use foam or dry powder extinguishers immediately.
Large Fire HandlingIn case of large fires, evacuate to a safe distance and use water hoses to fight the fire. Notify fire services for assistance.

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