LQ-CHP Cumyl hydroperoxide 80-15-9

Item Content
Product Name Initiator LQ-CHP
Chemical Name Cumyl hydroperoxide
Molecular Formula C₉H₁₂O₂
Molecular Weight 152.2
Theoretical Active Oxygen Content 10.51%
CAS No. 80-15-9
Einecs 201-254-7
UN No. 3109
IMDG Classification 5.2 (Class 5.2 Liquid Organic Peroxide, Type F, Dangerous Goods Packaging)

Major Decomposition Products

Decomposition Product
Acetophenone
Methane
2-Phenylisopropanol

Safety Indicators

Half-Life Temperature
0.1 hour 195°C
1 hour 166°C
10 hours 140°C

Thermal Stability Data

Thermal Stability Parameter Temperature
Self-accelerating Decomposition Temperature (SADT) 75°C
Critical Temperature (Tem) 70°C
Recommended Storage Temperature (Ts max) -30/40°C
Activation Energy (E) 132.56 kJ/mol

Applications

Application Details
Polymerization Initiator Widely used as a polymerization initiator in suspension and emulsion polymerization. Can also form an oxidation-reduction system with accelerators for polymerization at room temperature.

Packaging and Transportation

Item Details
Standard Packaging 180 kg plastic drums. Small packaging available upon request.
Transport Regulations Transport conforms to IMDG 5.2, UN No. 3109 (Class 5.2 Liquid Organic Peroxide).

Shelf Life

Shelf Life (Storage Conditions) Details
Shelf Life Product quality guaranteed for 3 months if stored according to manufacturer instructions.

Storage Instructions

Precaution Description
Storage Temperature Store at temperatures not exceeding 40°C. Avoid exceeding critical temperature.
Storage Environment Store away from heat sources, flames, acids, reducing agents, and heavy metals (e.g., accelerators, metal soaps).
Handling Keep packaging sealed and in a well-ventilated area. Avoid opening packaging or handling in storage.

Fire Protection

Fire Protection Description
Small Fire Handling Use dry powder or CO₂ extinguishers. Apply large amounts of water to prevent re-ignition.
Large Fire Handling For large fires, use a large water stream from a safe distance.

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