| Item | Content |
|---|---|
| Product Name | Initiator LQ-TBPA |
| Chemical Name | Tert-butyl peroxyacetate |
| Molecular Formula | C₆H₁₂O₃ |
| Molecular Weight | 132.18 |
| Theoretical Active Oxygen Content | 12.11% |
| CAS No. | 107-71-1 |
| UN No. | 3103 |
| Class | 5.2, Type C Organic Peroxide Liquid |
Properties
| Property | Description |
|---|---|
| Appearance | Colorless transparent liquid |
| Solubility | Insoluble in water, soluble in most organic solvents |
| Decomposition Temperature | 159°C |
| Specific Gravity (20°C) | 0.923 |
| Refractive Index (20°C) | 1.035 |
| Available Products | 70% and 50% concentrations available |
Major Decomposition Products
| Decomposition Product |
|---|
| Tert-butyl alcohol |
| Acetic acid |
| Di-tert-butyl ether |
| Methane |
| Ethane |
Safety Indicators
| Half-Life | Temperature |
|---|---|
| 0.1 hour | 139°C |
| 1 hour | 119°C |
| 10 hours | 100°C |
Thermal Stability Data
| Thermal Stability Parameter | Temperature |
|---|---|
| Self-accelerating Decomposition Temperature (SADT) | 70°C |
| Critical Temperature (Tem) | 65°C |
| Storage Temperature (Tsmax) | -15/10°C |
Technical Standards
| Item | 75% min | 50% min |
|---|---|---|
| Active Oxygen Content | 8.96% min | 5.93% min |
| Free Acid Content | 0.5% max | 0.5% max |
Usage
| Application | Details |
|---|---|
| Polyethylene Polymerization (LDPE) | Excellent low-temperature initiator for high-pressure polyethylene polymerization, especially in tubular methods. Can be combined with LQ-TBPV (Tert-butyl peroxyvalerate), LQ-TBPEH (Tert-butyl peroxy-2-ethylhexanoate), and LQ-TBPB (Tert-butyl peroxybenzoate) for enhanced polymerization. |
| Curing Unsaturated Polyester Resins | Used as a high-temperature curing agent for unsaturated polyester resins. |
| Styrene and Vinyl Ester Polymerization | Effective initiator for styrene or styrene copolymer polymerization and for methyl methacrylate and vinyl acetate ester polymerization. |
Packaging and Transportation
| Item | Details |
|---|---|
| Standard Packaging | 20 kg polyethylene containers. Custom packaging available upon request. |
Storage Instructions
| Precaution | Description |
|---|---|
| Storage Conditions | Store in a cool, well-ventilated area. Maximum storage temperature: 30°C. Keep away from heat sources, flames, and incompatible materials such as acids, reducing agents, and flammable substances. |
| Storage Stability | Quality guaranteed for three months under proper storage and transportation conditions. |
| Handling Precautions | Handle carefully to avoid damage to packaging. Follow personal protection measures as outlined in the MSDS. |
Fire Protection
| Fire Protection | Description |
|---|---|
| Small Fire Handling | Use foam or dry powder extinguishers for small fires, followed by water to prevent re-ignition. |
| Large Fire Handling | For large fires, move to a safe distance and use large amounts of water to extinguish. Notify fire services for further action. |
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