Product Introduction: Dibenzoyl Peroxide
Trade Name: Initiator LQ-BPO
English Name: Dibenzoyl peroxide
Chemical Name: Dibenzoyl peroxide
Structural Formula:
Molecular Formula: C14H10O4
Molecular Weight: 242.2
Theoretical Active Oxygen Content: 6.61%
CAS: 94-36-0
UN No. 3104
Einecs: 2023276
IMO/IMDG 5224
Class: 5.2
Road Transport (ARD): 5.2 -8a Type D solid organic peroxide.
Properties: This product is a white solid containing approximately 25% water. It is soluble in most organic solvents. The melting point of the pure product is 103-105°C, and the bulk density is approximately 630 kg/m3.
Main Decomposition Products: Carbon dioxide, benzoic acid, benzene, phenyl benzoate
Safety Indicators:
Half-life:
0.1 hour: 113°C
1 hour: 91°C
10 hours: 71°C
Thermal stability data:
Self-Accelerating Decomposition Temperature (SADT): 80°C
Critical Temperature (Tem): 75°C
Control Temperature (Tc): --
Storage Temperature (Tsmax): --/40°C
Activation Energy E (KJ/mol): 122.35
Technical Specifications:
Appearance: White solid
Content: 74-76%
Moisture: 25% max
Applications:
- It is one of the most commonly used free radical initiators, a common initiator for acrylate esters, and a highly important initiator for styrene and styrene copolymers. It can be used in combination with the initiator tert-butyl peroxybenzoate
(LQ-TBPB).
- It serves as a medium-to-low temperature curing agent for unsaturated polyester resins.
- It is a vulcanizing agent for diene rubbers.
- It is an important flour bleaching agent and a decolorizing agent for vegetable oils.
Packaging and Transportation:
The standard packaging in our factory is a 20 kg corrugated carton, containing 4 plastic bags of 5 kg each. Packaging sizes can also be supplied according to customer requirements; customers may specify their needs when placing an order.
Storage Precautions:
1. Store in a cool, well-ventilated space with a warehouse temperature not exceeding 30°C.
2. Keep away from fire sources and heat. Store separately from acids, reducing agents, flammable materials, combustible materials, reducing agents, etc.
3. Lighting, ventilation, and other facilities in the storage area should be explosion-proof, with switches located outdoors.
4. Handle with care during transportation to prevent damage to packaging and containers. Avoid impact and vibration. Take personal protective measures during repackaging and handling operations.
5. Customers are advised to carefully read our factory's Material Safety Data Sheet (MSDS) before storing, transporting, and using this product.
Product Shelf Life:
When stored and transported in strict accordance with the conditions recommended by the manufacturer, product quality is guaranteed for three months.
Fire Protection:
1. This product may decompose violently when heated and can catch fire fiercely. For small fires involving small quantities, extinguish promptly with foam or dry powder fire extinguishers.
2. For large fires, quickly retreat to a safe distance and extinguish with water jets. Notify the fire department for handling.
