Dicetyl Peroxydicarbonate
Dicetyl Peroxydicarbonate. CAS Number: 26322-14-5. EINECS: 247-611-0.
Product Appearance & Packaging
Product Specifications
| Product Name | Dicetyl Peroxydicarbonate |
|---|---|
| Chemical Name | Dicetyl Peroxydicarbonate |
| CAS Number | 26322-14-5 |
| EINECS/ELINCS No. | 247-611-0 |
| Molecular Weight | 570.9 g/mol |
| Active Oxygen Content | 2.80% |
| Appearance | Solid |
| UN Classification | Organic peroxide type F; solid, temperature controlled, Division 5.2; UN 3120 |
| Packaging | 20 kg |
Industrial Applications
Initiator for (co)polymerization of vinyl chloride, vinylidene chloride, acrylates and methacrylates. Used to increase melt strength of polypropylene (HMS-PP) by reactive extrusion.
Half-Life Data
Half-life (t½) data for Dicetyl Peroxydicarbonate measured in chlorobenzene:
| Half-Life (t½) | Temperature |
|---|---|
| 0.1 hr | 84°C (183°F) |
| 1 hr | 65°C (149°F) |
| 10 hr | 48°C (118°F) |
Kinetic formulas:
kd = A·e−Ea/RT | t½ = (ln2) / kd
Ea = 124.30 kJ/mole | A = 3.02E+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, Dicetyl Peroxydicarbonate will remain within specifications for a period of at least 3 months after delivery.
Major Decomposition Products
In the event of thermal decomposition, Dicetyl Peroxydicarbonate produces the following major decomposition products: