2,2-Di(tert-butylperoxy) Butane

2,2-Di(tert-butylperoxy) Butane. CAS Number: 2167-23-9. EINECS: 218-507-2.

Main Applications
PolymerizationCuring & Crosslinking

Product Appearance & Packaging

Product Specifications

Product Name2,2-Di(tert-butylperoxy) Butane
Chemical Name2,2-Di(tert-butylperoxy) Butane
CAS Number2167-23-9
EINECS/ELINCS No.218-507-2
Molecular Weight234.3 g/mol
AppearanceLiquid
UN ClassificationOrganic peroxide type C; liquid, Division 5.2; UN 3103
Packaging20 kg
Organic peroxide type C; liquid, Division 5.2; UN 3103

Industrial Applications

Initiator (50% active ingredient) for polymerization and crosslinking processes.

Half-Life Data

Half-life (t½) data for 2,2-Di(tert-butylperoxy) Butane 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.

80°C
SADT

Recommended Storage

40°C
Maximum Storage Temp (Ts Max.)
3 months
Shelf Life

Note: When stored according to these recommended conditions, 2,2-Di(tert-butylperoxy) Butane will remain within specifications for a period of at least 3 months after delivery.

Major Decomposition Products

In the event of thermal decomposition, 2,2-Di(tert-butylperoxy) Butane produces the following major decomposition products:

MethaneEthaneAcetonetert-ButanolCarbon dioxide