Tert-Butylperoxy isopropyl carbonate, 75% solution

Tert-Butylperoxy isopropyl carbonate, 75% solution. CAS Number: 2372-21-6. EINECS: 219-143-7.

Main Applications
PolymerizationCoatings

Product Appearance & Packaging

Product Specifications

Product NameTert-Butylperoxy isopropyl carbonate, 75% solution
Chemical NameTert-Butylperoxy isopropyl carbonate, 75% solution
CAS Number2372-21-6
EINECS/ELINCS No.219-143-7
Molecular Weight176.2 g/mol
Active Oxygen Content9.1%
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 for solution (co)polymerization of acrylates and methacrylates in the temperature range of 100-170°C. Also for bulk and suspension (co)polymerization.

Half-Life Data

Half-life (t½) data for Tert-Butylperoxy isopropyl carbonate, 75% solution measured in chlorobenzene:

Half-Life (t½)Temperature
0.1 hr137°C (279°F)
1 hr117°C (243°F)
10 hr98°C (208°F)

Kinetic formulas:
kd = A·e−Ea/RT | t½ = (ln2) / kd
Ea = 150.15 kJ/mole | A = 2.49E+16 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.

70°C
SADT

Recommended Storage

25°C
Maximum Storage Temp (Ts Max.)
-20°C
Minimum Storage Temp (Ts Min.)
3 months
Shelf Life

Note: When stored according to these recommended conditions, Tert-Butylperoxy isopropyl carbonate, 75% solution will remain within specifications for a period of at least 3 months after delivery.

Major Decomposition Products

In the event of thermal decomposition, Tert-Butylperoxy isopropyl carbonate, 75% solution produces the following major decomposition products:

Carbon dioxideMethaneAcetonetert-ButanolIsopropanol