1,1,3,3-Tetramethylbutyl Peroxy-2-ethylhexanoate
1,1,3,3-Tetramethylbutyl Peroxy-2-ethylhexanoate. CAS Number: 22288-43-3. EINECS: 244-894-2.
Product Appearance & Packaging
Product Specifications
| Product Name | 1,1,3,3-Tetramethylbutyl Peroxy-2-ethylhexanoate |
|---|---|
| Chemical Name | 1,1,3,3-Tetramethylbutyl Peroxy-2-ethylhexanoate |
| CAS Number | 22288-43-3 |
| EINECS/ELINCS No. | 244-894-2 |
| Molecular Weight | 272.4 g/mol |
| Active Oxygen Content | 5.87% |
| Appearance | Liquid |
| UN Classification | Organic peroxide type D; liquid, temperature controlled, Division 5.2; UN 3115 |
| Packaging | 20 kg |
Industrial Applications
Initiator for (co)polymerization of acrylates and methacrylates in the temperature range between 70°C and 120°C. Applied in suspension, solvent and bulk polymerization.
Half-Life Data
Half-life (t½) data for 1,1,3,3-Tetramethylbutyl Peroxy-2-ethylhexanoate measured in chlorobenzene:
| Half-Life (t½) | Temperature |
|---|---|
| 1 hr | 88°C (190°F) |
| 10 hr | 69°C (156°F) |
Kinetic formulas:
kd = A·e−Ea/RT | t½ = (ln2) / kd
Ea = 123.80 kJ/mole | A = 1.62E+14 s⁻¹ | R = 8.3142 J/mole·K | T = (273.15+°C) K
Thermal Stability
Organic peroxides are thermally unstable substances which may undergo self-accelerating decomposition. The Self Accelerating Decomposition Temperature (SADT) is the lowest temperature at which self-accelerating decomposition may occur.
Recommended Storage
Note: When stored according to these recommended conditions, 1,1,3,3-Tetramethylbutyl Peroxy-2-ethylhexanoate will remain within specifications for a period of at least 3 months after delivery.
Major Decomposition Products
In the event of thermal decomposition, 1,1,3,3-Tetramethylbutyl Peroxy-2-ethylhexanoate produces the following major decomposition products: