tert-Butyl peroxyacetate, 50% solution
tert-Butyl peroxyacetate, 50% solution. CAS Number: 107-71-1. EINECS: 203-514-5.
Product Appearance & Packaging
Product Specifications
| Product Name | tert-Butyl peroxyacetate, 50% solution |
|---|---|
| Chemical Name | tert-Butyl peroxyacetate, 50% solution |
| CAS Number | 107-71-1 |
| EINECS/ELINCS No. | 203-514-5 |
| Molecular Weight | 132.2 g/mol |
| Active Oxygen Content | 12.11% |
| Appearance | Clear liquid |
| UN Classification | Organic peroxide type C; liquid, Division 5.2; UN 3103 |
| Packaging | 20 kg |
Industrial Applications
Initiator for solution (co)polymerization of acrylates and methacrylates in the temperature range of 100-170°C for manufacture of coatings. Also for bulk and suspension (co)polymerization.
Half-Life Data
Half-life (t½) data for tert-Butyl peroxyacetate, 50% solution measured in chlorobenzene:
| Half-Life (t½) | Temperature |
|---|---|
| 0.1 hr | 139°C (282°F) |
| 1 hr | 119°C (246°F) |
| 10 hr | 100°C (212°F) |
Kinetic formulas:
kd = A·e−Ea/RT | t½ = (ln2) / kd
Ea = 149.36 kJ/mole | A = 1.57E+16 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 peroxyacetate, 50% solution 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 peroxyacetate, 50% solution produces the following major decomposition products: