| Item | Content |
|---|---|
| Product Name | Initiator LQ-TBPI |
| Chemical Name | Tert-Butyl peroxyisobutyrate |
| Molecular Formula | C₈H₁₆O₃ |
| Molecular Weight | 160.2 |
| Pure Peroxide Active Oxygen Content | 9.99% |
| CAS No. | 109-13-7 |
| Einecs | 203-650-5 |
| UN No. | 3115 |
| Level | 5.2 |
| Classification | D-type liquid organic peroxide, temperature-controlled transport, classified as a Class 5.2 hazardous material |
Properties
| Property | Description |
|---|---|
| Appearance | Transparent liquid |
| Main Decomposition Products | CO₂, tert-butanol, propane, propylene, 2-isopropyl-2-methylpropane |
Safety Indicators
| Half-Life | Temperature |
|---|---|
| 0.1 hour | 118℃ |
| 1 hour | 98℃ |
| 10 hours | 79℃ |
| Thermal Stability Data | Temperature |
|---|---|
| Self-accelerating Decomposition Temperature (SADT) | 30℃ |
| Critical Temperature (Tem) | 20℃ |
| Control Temperature (Tc) | 15℃ |
| Storage Temperature (Tsmax/TSmin) | --/10℃ |
Applications
| Application | Description |
|---|---|
| Ethylene Polymerization | LQ-TBPI is an efficient initiator for LDPE tubular or batch processes, with a polymerization temperature range of 160-250°C. |
| Styrene Polymerization | Suitable for styrene polymerization, with a polymerization temperature range of 85-105°C, mainly used for styrene copolymerization and acrylic/methacrylic acid polymerization. For acrylic and methacrylic acid, the polymerization temperature is 80-160°C, suitable for bulk and aqueous suspension polymerization. |
Packaging and Transport
| Packaging | Description |
|---|---|
| Standard Packaging | 20 kg PE plastic barrels, with custom packaging available upon request. |
| Transport | LQ-TBPI is a Class 5.2 liquid organic peroxide, requiring temperature-controlled transport. |
Storage Instructions
| Precaution | Description |
|---|---|
| Storage Conditions | Keep packaging sealed and in a well-ventilated area, with a maximum storage temperature of 25°C. Avoid contact with reducing agents (such as amines), acids, bases, and heavy metal compounds (such as promoters and metal soaps). |
| Storage Stability | The product will meet technical standards for up to 3 months when stored according to the manufacturer’s guidelines. |
Fire Protection
| Precaution | Description |
|---|---|
| Small Fire Handling | Use dry powder or CO₂ extinguishers for small fires. Apply water to prevent re-ignition. |
| Large Fire Handling | For larger fires, use a large volume of water at a safe distance to extinguish. |
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