Chemical Name
Di-lauroyl peroxide
Other name：LPO
Structure
MW：398.6
CAS No.：105-74-8
EINECS / ELINCS No.：203-326-3
TSCA Status：Listed
Introduction
LPO is a white powder. It belongs to diacyl organic peroxide. It is mainly used as an initiator for the polymerization of styrene, ethylene, vinyl chloride, vinylidene chloride, acrylate and methacrylate. In methacrylate polymerization, LPO is often used as a replacement for AIBN.
Specifications
Appearance: Pure white powder
Assay (%): ≥ 98.0
Active Oxygen (%): ≥ 3.93
Apparent Density: 460 kg/m³
Properties
State: Solid
Melting Point (°C): 54
Active Oxygen (%): 4.01
Half-life Data
Half-life data of LPO in chlorobenzene are as follows:
10 h Half-life (°C): 61
1 h Half-life (°C): 81
0.1 h Half-life (°C): 99
Ea (kJ/mol): Activation Energy Ea (kJ/mol): 123.37
Thermal Stability
Maximum recommended storage temp Ts max (°C): 30
SADT (°C): 50
Safety Data
Organic Peroxide Type D, Solid
Division 5.2
UN No.: 3106
Packaging: 25 kg / carton box
Storage
Stored below 30°C in a cool, dry and well-ventilated place.
Handling Precautions
- Keep containers tightly closed
- Keep away from heat sources, ignition sources and direct sunlight
- Avoid weighing or repackaging in storage areas
- Avoid contact with reducing agents (such as amines), acids, bases and heavy metal compounds (accelerators, metal soaps, etc.)
