| Item | Content |
|---|---|
| Product Name | Initiator LQ-TAPEH |
| Chemical Name | tert-Amyl peroxy-2-ethylhexanoate |
| Molecular Formula | C₁₃H₂₆O₃ |
| Molecular Weight | 230.3 |
| Pure Peroxide Active Oxygen Content | 6.95% |
| CAS No. | 686-31-7 |
| UN No. | 3115 |
| Level | 5.2 |
| Classification | D-type liquid organic peroxide, temperature-controlled transport. Rail and air transport are prohibited. |
Properties
| Property | Description |
|---|---|
| Appearance | Colorless transparent oily liquid |
| Solubility | Insoluble in water, soluble in most organic solvents |
| Freezing Point | Below -23°C |
| Viscosity | 2.1 mPa.s (-10°C) |
Safety Indicators
| Half-Life | Temperature |
|---|---|
| 0.1 hour | 111℃ |
| 1 hour | 91℃ |
| 10 hours | 73℃ |
| Thermal Stability Data | Temperature |
|---|---|
| Self-accelerating Decomposition Temperature (SADT) | 35℃ |
| Critical Temperature (Tem) | 25℃ |
| Control Temperature (Tc) | 20℃ |
| Storage Temperature (Tsmax/TSmin) | -20/10℃ |
| Activation Energy (E) | 132.11 kJ/mol |
Applications
| Application | Description |
|---|---|
| Polymerization Initiator | Suitable for polymerization of acrylic esters, methacrylic esters, styrene, acrylonitrile, and important for vinyl acetate (EVA) copolymerization. |
| Curing Agent for Unsaturated Polyester | Used as a curing agent in the high-temperature curing process for unsaturated polyesters, with curing temperatures of 120-160°C, especially in hot press molding. |
Packaging and Transport
| Packaging | Description |
|---|---|
| Standard Packaging | 20 kg polyethylene packaging. Custom packaging available upon request. |
| Transport | LQ-TAPEH is classified as a Class D liquid organic peroxide, UN number: 3115, Class 5.2, with temperature-controlled packaging. Rail and air transport are prohibited. |
Storage Instructions
| Precaution | Description |
|---|---|
| Storage Conditions | Store in a cool, ventilated space, with a warehouse temperature not exceeding 10°C. |
| Storage Precautions | Keep away from fire, heat sources, acids, reducing agents, flammable substances, and combustibles. |
| Handling Precautions | Ensure storage facilities, lighting, and ventilation are explosion-proof, with switches located outdoors. Handle with care to avoid container damage and vibration. Personal protective equipment should be used during handling. |
Fire Protection
| Precaution | Description |
|---|---|
| Small Fire Handling | Use foam or dry powder fire extinguishers for small fires. |
| Large Fire Handling | Evacuate to a safe distance and use a water hose to extinguish. Notify fire services for further handling. |
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