tert-Butyl peroxy-3,5,5-trimethylhexanoate
tert-Butyl peroxy-3,5,5-trimethylhexanoate. CAS Number: 13122-18-4. EINECS: 236-050-7.
Product Appearance & Packaging
Product Specifications
| Product Name | tert-Butyl peroxy-3,5,5-trimethylhexanoate |
|---|---|
| Chemical Name | tert-Butyl peroxy-3,5,5-trimethylhexanoate |
| CAS Number | 13122-18-4 |
| EINECS/ELINCS No. | 236-050-7 |
| Active Oxygen Content | 6.74% |
| Appearance | Clear liquid |
| Assay | 97% |
| UN Classification | Organic peroxide type D; liquid, Division 5.2; UN 3105 |
| Packaging | 20 kg |
Industrial Applications
Initiator for (co)polymerization of (meth)acrylates. Used for polymer production, thermoset composites and acrylics.
Half-Life Data
Half-life (t½) data for tert-Butyl peroxy-3,5,5-trimethylhexanoate measured in chlorobenzene:
| Half-Life (t½) | Temperature |
|---|---|
| 0.1 hr | 135°C (275°F) |
| 1 hr | 114°C (237°F) |
| 10 hr | 94°C (201°F) |
Kinetic formulas:
kd = A·e−Ea/RT | t½ = (ln2) / kd
Ea = 140.78 kJ/mole | A = 1.94E+15 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, tert-Butyl peroxy-3,5,5-trimethylhexanoate will remain within specifications for a period of at least 3 months after delivery.
Major Decomposition Products
In the event of thermal decomposition, tert-Butyl peroxy-3,5,5-trimethylhexanoate produces the following major decomposition products: