LQ-MEKP Methyl ethyl ketone peroxide 1338-23-4, 131-11-3

Item Content
Product Name Initiator LQ-MEKP
Chemical Name Methyl ethyl ketone peroxide
Molecular Formula C₈H₁₈O₆
Molecular Weight 210.2
Theoretical Active Oxygen Content 9.8-10.0%
CAS No. 1338-23-4, 131-11-3
UN No. 3105
IMDG Classification 5.2 (Class 5.2 Organic Peroxide, Dangerous Goods Packaging)

Major Decomposition Products

Decomposition Product
CO₂ (Carbon Dioxide)
Water
Acetic acid
Formic acid
Propionic acid
Methyl ethyl ketone (MEK)

Safety Indicators

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

Thermal Stability Data

Thermal Stability Parameter Temperature
Self-accelerating Decomposition Temperature (SADT) 60°C
Critical Temperature (Tem) --
Recommended Storage Temperature (Ts max) -10/25°C
Activation Energy (E) --

Applications

Application Details
Curing Agent This product is widely used as a curing agent in unsaturated polyester resins, primarily for curing at room temperature and moderate temperatures. It is typically combined with cobalt-based accelerators.

Packaging and Transportation

Item Details
Standard Packaging 20 kg polyethylene packaging (net weight), custom packaging available based on user requirements.
Transport Regulations Conforms to IMDG 5.2, UN No. 3105 (Organic Peroxide, Dangerous Goods Packaging).

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 between -10°C and 25°C.
Storage Environment Keep packaging sealed and in a well-ventilated area. Avoid exposure to reducing agents, acids, alkalis, and flammable or combustible substances.

Fire Protection

Fire Protection Description
Small Fire Handling Use foam or dry powder extinguishers.
Large Fire Handling For large fires, evacuate to a safe distance and use water spray to suppress flames. Notify emergency services for handling.

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