Di-tert-amyl peroxide

Di-tert-amyl peroxide. CAS Number: 10508-09-5. EINECS: 234-042-8.

Main Applications
Polymerization

Product Appearance & Packaging

Product Specifications

Product NameDi-tert-amyl peroxide
Chemical NameDi-tert-amyl peroxide
CAS Number10508-09-5
EINECS/ELINCS No.234-042-8
Molecular Weight174.3 g/mol
Active Oxygen Content8.81%
AppearanceClear liquid
UN ClassificationOrganic Peroxide Type E; liquid, Division 5.2; UN 3107; PG II
Packaging20 kg
Organic Peroxide Type E; liquid, Division 5.2; UN 3107; PG II

Industrial Applications

Initiator (radical source) in the polymerisation of monomers, like ethylene, styrene, and (meth)acrylates.

Half-Life Data

Half-life (t½) data for Di-tert-amyl peroxide measured in chlorobenzene:

Half-Life (t½)Temperature
0.1 hr184°C (363.2°F)
1 hr143°C (289.4°F)
10 hr123°C (253.4°F)

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

30°C
Maximum Storage Temp (Ts Max.)
6 months
Shelf Life

Note: When stored according to these recommended conditions, Di-tert-amyl peroxide will remain within specifications for a period of at least 6 months after delivery.

Major Decomposition Products

In the event of thermal decomposition, Di-tert-amyl peroxide produces the following major decomposition products:

Carbon dioxideMethanetert-Amyl alcoholHeptaneEthaneAcetone