| Item | Content |
|---|---|
| Product Name | Initiator LQ-EHP |
| English Name | Bis(2-ethylhexyl) peroxydicarbonate |
| Molecular Formula | C₁₈H₃₄O₆ |
| Molecular Weight | 346.5 |
| Theoretical Active Oxygen Content | 4.62% |
| CAS No. | 16111-62-9 |
| UN No. | 3115 |
| EINECS | 240-282-4 |
| Classification | Organic Peroxide Type D (Liquid), Class 5.2 |
| Transport Restrictions | Controlled temperature transport, prohibited for rail and air transport |
Physical & Chemical Properties
| Property | Description |
|---|---|
| Appearance | Clear liquid |
| Purity | 75.0 ± 1.0% |
| Hydrolysable Chlorine (Inorganic & Organic) | < 100 mg/kg |
| Color Index | ≤ 20 Pt-Co |
Main Decomposition Products
| Decomposition Products | Substances |
|---|---|
| Major Decomposition Products | CO₂, 2-ethylhexanol |
Safety Indicators
| Half-Life (Measured in Chlorobenzene Solution) | Temperature |
|---|---|
| 0.1 hour | 83℃ |
| 1 hour | 64℃ |
| 10 hours | 47℃ |
| Thermal Stability Data | Temperature |
|---|---|
| Self-accelerating Decomposition Temperature (SADT) | 5℃ |
| Critical Temperature (Tem) | -5℃ |
| Control Temperature (Tc) | -15℃ |
| Storage Temperature (Tsmax/TSmin) | -15℃ / -25℃ |
Applications
| Application | Description |
|---|---|
| Vinyl Chloride Polymerization | Commonly used for aqueous suspension polymerization of vinyl chloride. Works in combination with LQ-CUPN (Isopropyl peroxyneodecanoate) and LQ-LPO (Dilauroyl peroxide) to enhance polymerization activity. Effective temperature: 40-65℃ |
| Ethylene Polymerization | Low-temperature initiator used in ethylene polymerization, commonly applied in tubular process technology. Operating temperature: 130-160℃. Can be used in composite initiator systems |
Packaging and Transportation
| Item | Content |
|---|---|
| Standard Packaging | 20 kg PE plastic drum |
| Custom Packaging | Available upon request |
Storage Precautions
| Precaution | Description |
|---|---|
| Storage Conditions | Keep container sealed in a well-ventilated area |
| Maximum Storage Temperature | -15℃ |
| Avoid Materials | Avoid contact with reducing agents (amines), acids, bases, and heavy metal compounds (accelerators, metal soaps) |
| Handling Precautions | Strictly prohibited to repack or transfer within storage areas |
Product Shelf Life
| Item | Content |
|---|---|
| Shelf Life | Quality guaranteed for three months under proper storage conditions |
Fire Protection
| Precaution | Description |
|---|---|
| Small Fire Handling | Use dry powder or CO₂ extinguishers; spray large amounts of water to prevent reignition |
| Large Fire Handling | Stay at a safe distance and apply large volumes of water |
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