| 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. |
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