tert-Amyl peroxy-2-ethylhexanoate (TAPEH)
- Chemical Family Organic Peroxide
- Molecular Formula C₁₃H₂₆O₃
- Molecular Weight 230.3
- UN No. 3115
- Transport Hazard Class 5.2
- (organic peroxide, Type D, liquid, subject to temperature control in transport, forbidden for rail and air transport)
Half-Life Period
- 0.1 hour 111℃
- 1 hour 91℃
- 10 hours 73℃
- Appearance: clear, colorless, oily liquid. It can be diluted with a variety of solvents, including isododecane or odorless mineral oil (OMS), depending on the specific requirements of the application.
- Chromaticity: 20APHA
- Purity: 96% min
- Freezing point: ＜-23℃
- Viscosity: 2.1mPa.s (-10℃)
- TBHP content: 0.2% max
- Inorganic/organic hydrolyzable chloride: 100mg/kg max
- Solubility: Insoluble in water, soluble in most organic solvents
- Theoretical active oxygen content: 6.95%
- Major decomposition products: tert-amyl alcohol, methane, ethane, 2-ethyl acid, n-heptane, acetone, methyl ethyl ketone, carbon dioxide
- Activation energy: 132.11kJ/mol
- Self-accelerating decomposition temperature (SADT): 35℃
- Hazardous temperature (Tem): 25℃
- Temperature control (Tc) : 20℃
- Storage temperature (Ts min/Ts max): -20/10℃
- TAPEH is commonly used as an initiator for the polymerization of acrylates and methacrylates, making it suitable for various polymerization processes across multiple industries.
- It also functions as a reliable initiator for styrene and acrylonitrile polymerizations, playing a significant role in the production of EVA copolymers.
- This peroxide is widely utilized as a high-temperature curing agent for unsaturated polyesters, with an effective curing temperature range of 120-160°C. It is the preferred choice for hot-press molding techniques.
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Packaging
Standard packaging consists of 20 kg polyethylene drums, designed for safe and secure transport. Customized packaging options are also available upon request to meet specific customer needs.
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Validity
When stored and transported according to the manufacturer's guidelines, TAPEH remains stable and maintains its quality for up to three months.
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Safe Handling
Store in a cool, well-ventilated area, ensuring the temperature does not exceed 10°C.
Keep away from heat sources, open flames, and reactive chemicals to minimize the risk of fire or accidents.
Avoid storing near acids, reducing agents, or flammable substances to prevent hazardous reactions.
Use proper protective gear when handling the product. Carefully avoid impacts or vibrations that could damage containers.
For detailed handling and storage instructions, please consult the Material Safety Data Sheet (MSDS).
