tert-Butyl hydroperoxide, 70% solution in water
tert-Butyl hydroperoxide, 70% solution in water. CAS Number: 75-91-2. EINECS: 219-143-7.
Product Appearance & Packaging
Product Specifications
| Product Name | tert-Butyl hydroperoxide, 70% solution in water |
|---|---|
| Chemical Name | tert-Butyl hydroperoxide, 70% solution in water |
| CAS Number | 75-91-2 |
| EINECS/ELINCS No. | 219-143-7 |
| Molecular Weight | 90.1 g/mol |
| Active Oxygen Content | 17.76% |
| Appearance | Clear liquid |
| UN Classification | Organic peroxide type F; liquid, Division 5.2; UN 3109 |
| Packaging | 20 kg |
Industrial Applications
Initiator in bulk, aqueous solution and emulsion polymerization of styrene, acrylates and methacrylates. Manufacture of acrylate, vinylacetate, styrene-butadiene latices, curing of styrene polyester resins.
Half-Life Data
Half-life (t½) data for tert-Butyl hydroperoxide, 70% solution in water measured in chlorobenzene:
| Half-Life (t½) | Temperature |
|---|---|
| 0.1 hr | 207°C |
| 1 hr | 185°C |
| 10 hr | 164°C |
Kinetic formulas:
kd = A·e−Ea/RT | t½ = (ln2) / kd
Ea = 186.01 kJ/mole | A = 3.18E+17 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 hydroperoxide, 70% solution in water 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 hydroperoxide, 70% solution in water produces the following major decomposition products: