Cumyl Hydroperoxide 90%

Cumyl Hydroperoxide 90%. CAS Number: 80-15-9. EINECS: 210-254-7.

Main Applications
Polymerization

Product Appearance & Packaging

Product Specifications

Product NameCumyl Hydroperoxide 90%
Chemical NameCumyl Hydroperoxide 90%
CAS Number80-15-9
EINECS/ELINCS No.210-254-7
Molecular Weight152.2 g/mol
AppearanceClear 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

Initiator for (co)polymerization of (meth)acrylates. Can be used in emulsion, solution and bulk polymerizations. Also used as initiator for room temperature cure of promoted unsaturated polyester and vinyl ester resins.

Half-Life Data

Half-life (t½) data for Cumyl Hydroperoxide 90% 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, Cumyl Hydroperoxide 90% will remain within specifications for a period of at least 3 months after delivery.

Major Decomposition Products

In the event of thermal decomposition, Cumyl Hydroperoxide 90% produces the following major decomposition products:

Carbon dioxideAcetoneMethanetert-Butanol