1,1-Di(tert-butylperoxy) cyclohexane

1,1-Di(tert-butylperoxy) cyclohexane. CAS Number: 3006-86-8. EINECS: 221-111-2.

Main Applications
Polymerization

Product Appearance & Packaging

Product Specifications

Product Name1,1-Di(tert-butylperoxy) cyclohexane
Chemical Name1,1-Di(tert-butylperoxy) cyclohexane
CAS Number3006-86-8
EINECS/ELINCS No.221-111-2
Molecular Weight260.4 g/mol
Active Oxygen Content10.58%
AppearanceClear liquid
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 for (co)polymerization of ethylene, styrene and acrylonitrile.

Half-Life Data

Half-life (t½) data for 1,1-Di(tert-butylperoxy) cyclohexane measured in chlorobenzene:

Half-Life (t½)Temperature
0.1 hr134°C (273°F)
1 hr113°C (235°F)
10 hr94°C (201°F)

Kinetic formulas:
kd = A·e−Ea/RT | t½ = (ln2) / kd
Ea = 142.40 kJ/mole | A = 3.47E+15 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.

60°C
SADT

Recommended Storage

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

Note: When stored according to these recommended conditions, 1,1-Di(tert-butylperoxy) cyclohexane will remain within specifications for a period of at least 3 months after delivery.

Major Decomposition Products

In the event of thermal decomposition, 1,1-Di(tert-butylperoxy) cyclohexane produces the following major decomposition products:

Carbon dioxidetert-ButanolIsomers of isooctane