- TAPEH is a colorless liquid consisting primarily of technically pure tert-amyl peroxy-2-ethylhexanoate.
- It is a branched aliphatic peroxyester used as a free-radical initiator in the polymerization of monomers such as ethylene, styrene, and (methyl)acrylates.
- Appearance: Colorless liquid
- Content: approx. 98%
- Active Oxygen (AO): approx. 6.81%
- Density: approx. 0.9 g/cm³
- Viscosity at 20°C: approx. 4.3 mPa·s
- Refractive index at 20°C: approx. 1.433
- Flash point: approx. 59°C
- Vapor pressure at 25°C: less than 0.1 mbar
- Critical Temperature (SADT): approx. 35°C
- Recommended storage temperature: below 10°C
- Storage stability (from date of delivery): 3 months
- Standard packaging: 25-kilogram HDPE containers
- Ethylene: Used in the polymerization of high-pressure ethylene, in combination with other peroxides having different thermal stabilities. Temperature range: 160–210°C.
- Styrene: Used in bulk, solution, or suspension polymerization. Temperature range: 80–110°C. Recommended dosage: 0.1–0.5%.
- Other monomers: Used in the polymerization of (methyl)acrylates and olefin monomers. Temperature range: 80–120°C. Recommended dosage: 0.1–1%.