LQ-CYP Cyclohexanone peroxide 12262-58-7, 123-42-2

Item Content
Product Name Initiator LQ-CYP
Chemical Name Cyclohexanone peroxide
Molecular Formula C₁₂H₂₂O₆
Molecular Weight 246.3
Theoretical Active Oxygen Content 6.5%
Actual Active Oxygen Content 4.7% - 5.0%
CAS No. 12262-58-7, 123-42-2
UN No. 3105
IMDG Classification 5.2 (Class 5.2 Liquid Organic Peroxide, Type D, Dangerous Goods Packaging)

Major Decomposition Products

Decomposition Product
CO₂ (Carbon Dioxide)
Cyclohexanone
Hexanoic acid
Isododecanoic acid
Water

Safety Indicators

Half-Life Temperature
0.1 hour --
1 hour --
10 hours --

Thermal Stability Data

Thermal Stability Parameter Temperature
Self-accelerating Decomposition Temperature (SADT) 50°C
Critical Temperature (Tem) --
Recommended Storage Temperature (Ts max) --/25°C

Applications

Application Details
Curing Agent Used primarily as a curing agent for unsaturated polyester resins, it provides shorter gel times and lower heat peaks compared to methyl ethyl ketone peroxide. Particularly suitable for manufacturing thick molded products, buttons, and spray molding processes. Requires cobalt-based accelerators for ambient temperature curing.

Packaging and Transportation

Item Details
Standard Packaging 20 kg PE plastic drums, custom packaging available based on user requirements.
Transport Regulations Conforms to IMDG 5.2, UN No. 3105 (Class 5.2 Liquid Organic Peroxide, Type D).

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 25°C.
Storage Environment Keep packaging sealed and in a well-ventilated area. Avoid exposing to reducing agents, acids, alkalis, and heavy metal compounds (e.g., accelerators, metal soaps). No handling in storage areas.

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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