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 |