Item | Content |
---|---|
Product Name | Initiator LQ-DPIB |
Chemical Name | Di(tert-butylperoxyisopropyl)benzene |
Molecular Formula | C₂₀H₃₄O₄ |
Molecular Weight | 338.5 |
Theoretical Active Oxygen Content | 9.45% |
CAS No. | 25155-25-3 |
Einecs | 218-664-7 |
UN No. | 3106 |
IMDG Classification | Class 5.2, Type D solid organic peroxide, Class 2 packaging |
Major Decomposition Products
Decomposition Product |
---|
Tert-butyl alcohol |
Di-hydroxy diisopropylbenzene |
Acetylated phenylacetone |
Acetyl-2-hydroxy-isopropylbenzene |
Methane |
Acetone |
Safety Indicators
Half-Life (at various temperatures) | Temperature |
---|---|
0.1 hour | 156°C |
1 hour | 134°C |
10 hours | 115°C |
Thermal Stability Data
Thermal Stability Parameter | Temperature |
---|---|
Self-accelerating Decomposition Temperature (SADT) | 80°C |
Critical Temperature (Tem) | 75°C |
Storage Temperature (Tsmax) | --/15°C |
Activation Energy (E) | 152.69 KJ/mol |
Technical Standards
Item | Content |
---|---|
Appearance | White solid powder or flake |
Purity | 96% min |
Applications
Application | Details |
---|---|
Polypropylene Degradation Agent | Excellent degradation agent for polypropylene, used to create low molecular weight and narrow molecular weight distribution high melt index rheological polypropylene. Important initiator for controlled rheological polypropylene. |
Styrene Polymerization | Initiator for styrene polymerization. Produces higher molecular weight PS with higher polymerization conversion. |
Rubber Vulcanization | Common rubber vulcanization agent with excellent scorch safety. Typically diluted with silicone oil or other neutral solvents or fillers. Safe processing temperature is 135°C, crosslinking temperature is 175°C. |
Packaging and Transport
Packaging | Details |
---|---|
Standard Packaging | 20 kg corrugated cardboard box. Custom packaging available upon request. |
Storage Considerations
Storage Precaution | Details |
---|---|
Storage Environment | Store in a cool, ventilated area with a maximum temperature of 15°C. |
Avoid Contact with | Acids, reducing agents, flammable materials, and combustibles. |
Storage Facility | Ensure explosion-proof lighting and ventilation, and switches placed outdoors. |
Handling Precaution | Handle with care, prevent package/container damage, and ensure proper personal protective equipment (PPE). |
Storage Stability
Storage Condition | Details |
---|---|
Stability | Product quality is guaranteed for 6 months if stored and transported under proper conditions. |
Fire Protection
Fire Protection | Details |
---|---|
Small Fire Handling | Small fires should be extinguished quickly using foam or dry powder fire extinguishers. |
Large Fire Handling | For large fires, evacuate to a safe distance and extinguish with large amounts of water. Notify fire department for assistance. |