| Item | Content |
|---|---|
| Product Name | Initiator LQ-BPDY |
| Chemical Name | 2,5-Bis(tert-butyl peroxy)-2,5-dimethylhexyne-3 |
| Molecular Formula | C₁₆H₃₀O₄ |
| Molecular Weight | 286.4 |
| Theoretical Active Oxygen Content | 11.17% |
| CAS No. | 1068-27-5 |
| UN No. | 3113 |
| Einecs | 213-944-5 |
| IMO (Marine) | 5.2 (Organic Peroxide Liquid, Type B, Class 5.2 Dangerous Goods Packaging) |
Major Decomposition Products
| Decomposition Product |
|---|
| Tert-butyl alcohol |
| 2,5-Dimethyl-2,5-dihydroxyhexene |
| Methane |
| Acetone |
Safety Indicators
| Half-Life | Temperature |
|---|---|
| 0.1 hour | 164°C |
| 1 hour | 141°C |
| 10 hours | 121°C |
Thermal Stability Data
| Thermal Stability Parameter | Temperature |
|---|---|
| Self-accelerating Decomposition Temperature (SADT) | 80°C |
| Critical Temperature (Tem) | 75°C |
| Storage Temperature (Tsmax) | 10/30°C |
Technical Specifications
| Appearance | Clear Liquid |
|---|---|
| Active Ingredient Content | 85% min |
| Color | 100 Pt-Co max |
| Tert-butyl Hydroperoxide and 2,5-Dimethyl-2,5-Tert-Butyl Hydroperoxide Content | 0.4% max |
Usage
| Application | Details |
|---|---|
| Polymer Crosslinking Agent | Widely used for crosslinking various polymers, especially polyethylene (LDPE, HDPE) and ethylene-vinyl acetate (EVA). Crosslinking temperature: 185°C or higher. Use quantity: 0.5%-3.8% (W/W). |
| Polypropylene Degradation Agent | Excellent for degrading polypropylene to low molecular weight with a narrow molecular weight distribution, improving melt flow. Suitable for high-speed spinning, coating, film, and cast materials. |
| Initiator for Styrene Polymerization | Used as an initiator for styrene polymerization and copolymerization. Reaction temperature: 30-185°C. |
Packaging and Transportation
| Item | Details |
|---|---|
| Standard Packaging | 20 kg polyethylene packaging. Custom sizes available upon request. |
| Transport Regulations | Transport conforms to IMDG 5.2, UN No. 3113 (Class 5.2 Liquid Organic Peroxide). |
Shelf Life
| Shelf Life (Storage Conditions) | Details |
|---|---|
| Shelf Life | Product quality guaranteed for 3 months if stored according to manufacturer instructions. |
Storage Instructions
| Precaution | Description |
|---|---|
| Storage Temperature | Must follow recommended storage temperature. Exceeding the critical temperature can lead to fire hazards. |
| Storage Environment | Store away from open flames, heat sources, static electricity, and direct light exposure. Ensure good ventilation. |
| Separation from Hazards | Store separately from reducing agents, rust, dust, heavy metals, acids, and alkalis. |
| Handling | Handle carefully to avoid impact and friction. |
Fire Protection
| Fire Protection | Description |
|---|---|
| Small Fire Handling | For small fires, use foam or dry powder extinguishers. |
| Large Fire Handling | Evacuate to a safe distance, use a water cannon to extinguish, and promptly notify fire services. |
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