LQ-DCP Dicumyl Peroxide 80-43-3

Item Content
Product Name LQ-DCP
Chemical Name Dicumyl Peroxide
Molecular Formula C₁₈H₂₂O₂
Molecular Weight 270.4
Theoretical Active Oxygen Content 5.92%
CAS No. 80-43-3
Einecs 201-279-3

Major Decomposition Products

Decomposition Product
Phenylacetone
Methane
2-Phenylisopropanol

Safety Indicators

Half-Life (Chlorobenzene Solution) Temperature
0.1 hour 153°C
1 hour 132°C
10 hours 112°C

Thermal Stability Data

Thermal Stability Parameter Temperature
Self-accelerating Decomposition Temperature (SADT) 75°C
Critical Temperature (Tem) 70°C
Storage Temperature (Tsmax) --/15°C

Technical Standards

Item Content
Appearance White crystalline solid
Purity 99% min
Melting Point 39-40°C

Packaging

Item Content
Standard Packaging 20 kg corrugated cardboard box (4 x 5 kg plastic bags)
Storage Classification Class F Organic Peroxide Solid, UN No. 3110, Class 5.2

Safety Considerations

Precaution Description
Avoid Fire and Heat Keep away from fire, open flames, and heat sources.
Avoid Contact with Reducers Avoid contact with reducing agents (e.g., amines), acids, bases, and heavy metal compounds (e.g., accelerators, metal soaps).
Refer to MSDS Always consult the product's safety data sheet (MSDS) for detailed information.

Usage

Application Details
Styrene Polymerization Common initiator for styrene polymerization. Also used as a flame retardant aid in polystyrene production.
Rubber Crosslinking Agent One of the most important crosslinking agents for rubber.

Storage Conditions

Storage Precaution Details
Storage Environment Keep packaging tightly sealed and in a well-ventilated area. Maximum storage temperature of 30°C.
Avoid Contact with Reducing agents (amines), acids, bases, heavy metal compounds (accelerators, metal soaps).
Separation from Handling No repackaging or handling inside the storage area.

Storage Stability

Storage Condition Details
Stability Product quality is guaranteed within 3 months under proper storage conditions.

Fire Protection

Fire Protection Details
Small Fire Handling Use dry powder or CO₂ fire extinguishers. Use large amounts of water to prevent re-ignition.
Large Fire Handling Use large quantities of water spray from a safe distance to extinguish the fire.

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