| Item | Content |
|---|---|
| Product Name | Initiator LQ-K |
| Chemical Name | Bis(3,5,5-trimethylhexanoyl) peroxide |
| Molecular Formula | C₁₈H₃₄O₄ |
| Molecular Weight | 314.5 |
| Theoretical Active Oxygen Content | 5.09% |
| CAS No. | 3851-87-4 |
| Main Decomposition Products | CO₂, 2,2,4,7,9,9-hexamethyldecane, 2,4,4-trimethylpentane |
Safety Indicators
| Half-Life | Temperature |
|---|---|
| 0.1 hour | 96℃ |
| 1 hour | 77℃ |
| 10 hours | 59℃ |
| Thermal Stability Data | Temperature |
|---|---|
| Self-accelerating Decomposition Temperature (SADT) | 20℃ |
| Critical Temperature (Tem) | 10℃ |
| Control Temperature (Tc) | 0℃ |
| Storage Temperature (Tsmax/TSmin) | -10℃ to 0℃ |
Technical Specifications
| Item | Content |
|---|---|
| Appearance | Clear liquid |
| Purity | 74-76% |
| Color (Pt-Co) | ≤20 Pt-Co |
| Inorganic & Organic Hydrolyzable Chlorides | ≤250 mg/kg |
Applications
| Application | Description |
|---|---|
| Ethylene Polymerization Initiator | Commonly used in LDPE tubular or batch polymerization. Often used in combination with other initiators for a broader temperature range (150-190℃). |
| Vinyl Chloride Polymerization Initiator | Used as an initiator for vinyl chloride suspension polymerization, with initiation temperature between 50-70℃. |
Storage and Handling
| Precaution | Description |
|---|---|
| Storage Conditions | Keep the packaging sealed and in a well-ventilated area. Maximum storage temperature is 0℃. Avoid contact with reducing agents, acids, bases, and metal compounds. |
| Storage Stability | When stored as per manufacturer's guidelines, the product's quality is guaranteed for three months. |
| Handling Precautions | No repackaging in storage rooms. Keep away from heat sources and incompatible materials. |
Fire Protection
| Precaution | Description |
|---|---|
| Small Fire Handling | Use dry powder or CO₂ extinguishers and apply large amounts of water to prevent re-ignition. |
| Large Fire Handling | Use large amounts of water and maintain a safe distance. |
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