Methyl Ethyl Ketone Peroxide

Methyl Ethyl Ketone Peroxide. CAS Number: 1338-23-4. EINECS: 215-661-2.

Main Applications
Curing & Crosslinking

Product Appearance & Packaging

Product Specifications

Product NameMethyl Ethyl Ketone Peroxide
Chemical NameMethyl Ethyl Ketone Peroxide
CAS Number1338-23-4
EINECS/ELINCS No.215-661-2
Active Oxygen Content8.8-9.0%
AppearanceClear colorless liquid
UN ClassificationOrganic peroxide type D; liquid, Division 5.2; UN 3105
Packaging20 kg
Organic peroxide type D; liquid, Division 5.2; UN 3105

Industrial Applications

General purpose MEKP for curing of unsaturated polyester resins in the presence of a cobalt accelerator at room and elevated temperatures. Suitable for gelcoat resins, laminating resins, lacquers and castings.

Half-Life Data

Half-life (t½) data for Methyl Ethyl Ketone Peroxide measured in chlorobenzene:

Data not available in source document.

Thermal Stability

Organic peroxides are thermally unstable substances which may undergo self-accelerating decomposition. The Self Accelerating Decomposition Temperature (SADT) is the lowest temperature at which self-accelerating decomposition may occur.

60°C
SADT

Recommended Storage

25°C
Maximum Storage Temp (Ts Max.)
3 months
Shelf Life

Note: When stored according to these recommended conditions, Methyl Ethyl Ketone Peroxide will remain within specifications for a period of at least 3 months after delivery.

Major Decomposition Products

In the event of thermal decomposition, Methyl Ethyl Ketone Peroxide produces the following major decomposition products:

Carbon dioxideWaterAcetic acidFormic acidMethyl ethyl ketone