1,1,3,3-Tetramethylbutyl hydroperoxide
1,1,3,3-Tetramethylbutyl hydroperoxide. CAS Number: 5809-08-5. EINECS: 227-369-2.
Product Appearance & Packaging
Product Specifications
| Product Name | 1,1,3,3-Tetramethylbutyl hydroperoxide |
|---|---|
| Chemical Name | 1,1,3,3-Tetramethylbutyl hydroperoxide |
| CAS Number | 5809-08-5 |
| EINECS/ELINCS No. | 227-369-2 |
| Molecular Weight | 146.2 g/mol |
| Active Oxygen Content | 10.94% |
| Appearance | Liquid |
| UN Classification | Organic peroxide type D; liquid, Division 5.2; UN 3105 |
| Packaging | 20 kg |
Industrial Applications
May be used for the bulk and emulsion polymerization of vinyl monomers such as styrene, butadiene, acrylonitrile, acrylates and methacrylates.
Half-Life Data
Half-life (t½) data for 1,1,3,3-Tetramethylbutyl hydroperoxide measured in chlorobenzene:
| Half-Life (t½) | Temperature |
|---|---|
| 0.1 hr | 180°C |
| 1 hr | 159°C |
| 10 hr | 144°C |
Kinetic formulas:
kd = A·e−Ea/RT | t½ = (ln2) / kd
Ea = 181.99 kJ/mole | A = 1.90E+18 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 hydroperoxide 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 hydroperoxide produces the following major decomposition products: