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

Item Content
Product Name Initiator LQ-DEHPH
Chemical Name 2,5-Dimethyl-2,5-di(2-ethyl hexanoylperoxy)hexane
Molecular Formula C₂₄H₄₆O₆
Molecular Weight 430.6
Pure Peroxide Active Oxygen Content 7.43%
Actual Peroxide Active Oxygen Content 6.84% min.
CAS No. 13052-09-0
EINECS/ELINCS No. 235-935-5

Properties

Property Description
Appearance Clear liquid
Color 20 Pt-Co max.
Density (20°C) 0.956 g/cm³
Viscosity (20°C) 80 mPa.s
Hydroperoxide Content 2.2% max (as 2,5-dihydroperoxide-2,5-dimethylhexane)
Inorganic & Organic Hydrolyzable Chlorine 100 mg/kg max.

Safety Indicators

Half-Life Temperature
0.1 hour 105℃
1 hour 86℃
10 hours 68℃
Thermal Stability Data Temperature
Self-accelerating Decomposition Temperature (SADT) 35℃
Critical Temperature (Tem) 25℃
Control Temperature (Tc) 20℃
Storage Temperature (Tsmax) -20/15℃

Applications

Application Description
Polymerization Initiator Used for the polymerization and copolymerization of ethylene, styrene, butadiene, acrylates, and methacrylates.

Packaging and Transport

Packaging Description
Standard Packaging Typically packaged in polyethylene containers, 20 kg units. Custom packaging available upon request.
Transport Follows transportation regulations for organic peroxides (Class 5.2, UN 3105).

Storage Instructions

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

Fire Protection

Precaution Description
Small Fire Handling For small fires, use foam or dry powder extinguishers immediately.
Large Fire Handling In 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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