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.