Isopropylphenyl peroxydecanoate (CPND) 26748-47-0

Cumyl Peroxyneodecanoate
Trade Name: Initiator CPND
English Name: Cumyl Peroxyneodecanoate
Chemical Name: Cumyl Peroxyneodecanoate
Structural Formula:
Molecular Formula: C19H30O3
Molecular Weight: 306.4
Theoretical Active Oxygen Content: 5.22%
CAS: 26748-47-0
UN No. 3115
EINECS: 247-956-7
A Type D liquid organic peroxide; classified as a Class 2 dangerous good; prohibited for transport by rail and air.
Major decomposition products: CO₂, methane, ethane, isononanoic acid, 2-phenylpropan-2-ol, acetophenone, isopropylbenzene, etc.
Safety Parameters:
Half-life:
0.1 hour: 75°C
1 hour: 56°C
10 hours: 38°C
Thermal Stability Data:
Self-Accelerating Decomposition Temperature (SADT): 10°C
Critical Temperature (Tem): 0°C
Control Temperature (Tc): -10°C
Storage Temperature (Tsmax/TSmin): -20/-30 °C
Activation Energy E (kJ/mol): 114.59
Technical Specifications:
Appearance: Colorless, transparent liquid
Color: 60 APHA
Purity: 75.0 ± 1%
CHP: 1000 mg/kg max
Inorganic and Organic Hydrolyzable Chlorides: 150 mg/kg max
Applications:
1. Ethylene Polymerization Initiator
This product is a highly efficient initiator for LDPE polymerization, widely applicable in both tubular and batch reaction processes, with an operating temperature range of 130–170 °C.
2. For vinyl chloride polymerization:
This product is suitable for aqueous suspension polymerization of vinyl chloride at temperatures between 40–65°C and serves as an important, highly active vinyl chloride initiator.
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 -20°C.
2. Keep away from sources of ignition and heat. Store separately from acids, flammable and combustible materials, and reducing agents.
3. Lighting and ventilation facilities in the storage area must be explosion-proof, and switches must be located outdoors.
4. Handle with care during transportation 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 Safety:
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 extinguish the flames; notify the fire department for further handling.