tert-Butyl peroxy-2-ethylhexanoate

tert-Butyl peroxy-2-ethylhexanoate. CAS Number: 3006-82-4. EINECS: 221-110-7.

Main Applications
Polymerization

Product Appearance & Packaging

Product Specifications

Product Nametert-Butyl peroxy-2-ethylhexanoate
Chemical Nametert-Butyl peroxy-2-ethylhexanoate
CAS Number3006-82-4
EINECS/ELINCS No.221-110-7
Molecular Weight216.3 g/mol
Active Oxygen Content7.30%
AppearanceClear liquid
UN ClassificationOrganic peroxide type C; liquid, temperature controlled, Division 5.2; UN 3113; PG II
Packaging20 kg
Organic peroxide type C; liquid, temperature controlled, Division 5.2; UN 3113; PG II

Industrial Applications

Efficient initiator for the production of Low Density Polyethylene (LDPE). Used both for tubular and autoclave processes. Also for thermoset composites and acrylics.

Half-Life Data

Half-life (t½) data for tert-Butyl peroxy-2-ethylhexanoate measured in chlorobenzene:

Half-Life (t½)Temperature
0.1 hr113°C
1 hr91°C
10 hr72°C

Kinetic formulas:
kd = A·e−Ea/RT | t½ = (ln2) / kd
Ea = 124.90 kJ/mole | A = 1.54E+14 s⁻¹ | R = 8.3142 J/mole·K | T = (273.15+°C) K

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.

35°C
SADT

Recommended Storage

10°C
Maximum Storage Temp (Ts Max.)
-30°C
Minimum Storage Temp (Ts Min.)
3 months
Shelf Life

Note: When stored according to these recommended conditions, tert-Butyl peroxy-2-ethylhexanoate will remain within specifications for a period of at least 3 months after delivery.

Major Decomposition Products

In the event of thermal decomposition, tert-Butyl peroxy-2-ethylhexanoate produces the following major decomposition products:

Carbon dioxideMethanetert-ButanolAcetone