2,5-Dimethyl-2,5-di(2-ethylhexanoyl peroxy)hexane (DEHPH) 13052-09-0

2,5-Dimethyl-2,5-di(2-ethylhexanoylperoxy)hexane
Trade Name: Initiator DEHPH
English Name: 2,5-Dimethyl-2,5-di(2-ethylhexanoylperoxy)hexane
Chemical Name: 2,5-Dimethyl-2,5-di(2-ethylhexanoylperoxy)hexane
Structural Formula:
Molecular Formula: C24H46O6
Molecular Weight: 430.6
Active Oxygen Content of Pure Peroxide: 7.43%
Active Oxygen Content of Actual Product: 6.84% min.
CAS: 13052-09-0
EINECS/ELINCS No.: 235-935-5
Safety Data:
Half-life (measured in chlorobenzene solution):
0.1 hour: 105°C
1 hour: 86°C
10 hours: 68°C
Thermal Stability Data:
Self-Accelerating Decomposition Temperature (SADT): 35°C
Critical Temperature (Tem): 25°C
Control Temperature (Tc): 20°C
Storage Temperature (Tsmax): -20/15°C
Technical Specifications:
Appearance: Clear liquid
Color: 20 Pt-Co max.
Content: 92.0% min.
Hydroperoxides (calculated as 2,5-dihydroperoxy-2,5-dimethylhexane): 2.2% max.
Inorganic and organically hydrolyzable chlorine: 100 mg/kg max.
Density, 20°C: 0.956 g/cm³
Viscosity, 20°C: 80 mPa·s
Application: Initiator for the polymerization and copolymerization of ethylene, styrene, butadiene, acrylates, and methacrylates.
Packaging and Shipping:
Our standard packaging is 20-kilogram polyethylene bags. We can also supply packaging sizes according to customer requirements; customers may specify these when placing an order.
Storage Precautions:
1. Store in a cool, well-ventilated area at a temperature not exceeding 15°C.
2. Keep away from sources of ignition and heat. Store separately from acids, reducing agents, flammable and combustible materials, and other reducing agents.
3. Lighting and ventilation facilities in the storage area must be explosion-proof, and switches should be located outdoors.
4. Handle with care to prevent damage to packaging and containers. Avoid impact and vibration. Wear appropriate personal protective equipment during repackaging and handling operations.
5. Customers are requested to carefully read our factory’s “Material Safety Data Sheet (MSDS)” when storing, transporting, and using this product.
Product Shelf Life:
When stored and transported in strict accordance with the manufacturer’s instructions, product quality is guaranteed for three months.
Fire Protection:
1. This product may decompose violently when exposed to heat, causing a fierce fire. Small fires involving a small amount of the product should be extinguished immediately using a foam or dry powder fire extinguisher.
2. In the event of a large fire, evacuate immediately to a safe distance and use a water hose to suppress the flames; notify the fire department for further handling.