Di(2,4-dichlorobenzoyl) peroxide, CBPO, 133-14-2

Di(2,4-dichlorobenzoyl) peroxide
Trade Name: Initiator CBPO
English Name: Di(2,4-dichlorobenzoyl) peroxide
Chemical Name: Di(2,4-dichlorobenzoyl) peroxide
Chemical Structure:
Molecular Formula: C14H6O4Cl4
Molecular Weight: 380.0
Theoretical Active Oxygen Content: 4.21%
CAS No.: 133-14-2
UN No. 3106
EINECS: 205-094-9
Major decomposition products: CO₂, 1,3-dichlorobenzene, 2,4-dichlorobenzene, trace amounts of bis(2,4-dichlorobenzene), etc.
Safety Parameters:
Half-life (measured in chlorobenzene solution):
0.1 hour: 80°C
1 hour: 65°C
10 hours: 47°C
Thermal Stability Data:
Self-Accelerating Decomposition Temperature (SADT): 60°C
Critical Temperature (Tem): --
Control Temperature (Tc): --
Storage Temperature (Tsmax/TSmin): 30/--°C
Technical Specifications:
Appearance: White paste
Content: ≥50.0±1.0%
Moisture: 1.5% max
Packaging:
The standard packaging for DCBP is a fiber paper drum with a net weight of 20 kg, containing an inner plastic bag. Packaging can also be customized according to customer specifications.
DCBP is a Class D solid organic peroxide. Cargo classification: 5.2; UN Number: 3106; Class 2 dangerous goods packaging.
Safety Precautions:
1. Keep away from sources of ignition, open flames, and heat sources.
2. Avoid contact with reducing agents (such as amines), acids, alkalis, and heavy metal compounds (such as accelerators, metal soaps, etc.).
3. Please refer to the Material Safety Data Sheet (MSDS) for this product.
Applications:
This product is an excellent vulcanizing agent for silicone rubber. The safe processing temperature is 75°C, the vulcanization temperature is 90°C, and the recommended usage rate is 1.1–2.3%.
Storage Conditions:
Keep the packaging tightly sealed and store in a well-ventilated area. The maximum storage temperature is 30°C. Avoid contact with reducing agents (such as amines), acids, alkalis, and heavy metal compounds (accelerators and metal soaps). Repackaging and handling within the warehouse are strictly prohibited.
Storage Stability:
When stored under the conditions specified by the manufacturer, the product is guaranteed to meet factory technical standards for three months.
Fire Extinguishing:
For small fires, use dry powder or carbon dioxide fire extinguishers, while simultaneously spraying with copious amounts of water to prevent reignition. For large fires, spray with copious amounts of water from a safe distance.