Diisobutyric Peroxide (DIPB) 3437-84-1

Diisobutyryl Peroxide
Trade Name: Initiator DIPB
English Name: Diisobutyryl Peroxide
Chemical Name: Diisobutyryl Peroxide
Chemical Structure:
Molecular Formula: C8H14O4
Molecular Weight: 174.2
Theoretical Active Oxygen Content: 9.18%
CAS Number: 3437-84-1
UN No. 3115
Class: 5.2
Class D liquid organic peroxide; requires temperature-controlled transport. Transport by rail and air is prohibited.
Safety Parameters:
Half-life:
0.1 hour: 57°C
1 hour: 39°C
10 hours: 23°C
Thermal Stability Data:
Self-Accelerating Decomposition Temperature (SADT): 0°C
Critical Temperature (Tem): -10°C
Control Temperature (Tc): -20°C
Storage Temperature (Tsmax/TSmin): -20°C/--
Activation Energy E (kJ/mol): 109.06
Technical Specifications:
Appearance: White emulsion
Content: 25.0–27.0%
Inorganic and Organic Hydrolyzable Chlorine: 500 mg/kg max.
Viscosity at -10°C (Brook viscometer, No. 3 rotor): 200–1000 mPa·s
Density at 0°C: 0.910 g/cm³
Packaging and Shipping:
Our standard packaging is 20 kg polyethylene bags. We can also supply packaging sizes according to customer requirements; please 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 substances, combustible materials, and reducing agents.
3. Lighting and ventilation facilities in the storage area must be explosion-proof, with switches 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 advised 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.