LPO-L is used as an initiator for the polymerization of methylmethacrylate at 60-90°C. Laurox is often applied as a replacement for 2,2′-Azobis(isobutyronitril) (Perkadox AIBN).

Specifications

Appearance	White powder without any contamination
Assay	≥ 99.0 %
Particle size > 1 mm	≤ 5 %

Characteristics

Bulk density	460 kg/m³
Melting point	54 °C

Applications

LPO-L can be used for the market segments: polymer production, thermoset composites and acrylics production with their different applications/functions. For more information please check our website and/or contact us.

Half-life data

The reactivity of an organic peroxide is usually given by its half-life (t1/2) at various temperatures. For Laurox in chlorobenzene:

0.1 hr	at 99°C
1 hr	at 79°C
10 hr	at 61°C
Formula 1	kd = A·e-Ea/RT
Formula 2	t½ = (ln2)/kd
Ea	123.37 kJ/mole
A	3.92E+14 sP-1P	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 lowest temperature at which self-accelerating decomposition of a substance in the original packaging may occur is the Self- Accelerating Decomposition Temperature (SADT). The SADT is determined on the basis of the Heat Accumulation Storage Test.

SADT	50°C
Method	The Heat Accumulation Storage Test is a recognized test method for the determination of the SADT of organic peroxides (see Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria – United Nations, New York and Geneva).

Storage

Due to the relatively unstable nature of organic peroxides a loss of quality can be detected over a period of time. To minimize the loss of quality, Thousands Chemicals recommends a maximum storage temperature (Ts max.) for each organic peroxide product.

Ts max.	30°C
Note	When stored under the recommended storage conditions, AAP-44B will remain within the Nouryon specifications for a period of at least 6 months after delivery.

Packaging and transport

The standard packaging is a 30-liter HDPE can for 30 kg peroxide solution. Both packaging and transport meet the international regulations. For the availability of other packed quantities contact your Thousands Chemicals representative. AAP-44B land and sea transport is classified as Organic peroxide type E; liquid, Division 5.2; UN 3107. Air transport is classified as Organic peroxide type D; liquid, Division 5.2; UN 3105.

Safety and handling

Keep containers tightly closed. Store and handle BPO-TW50 in a dry well-ventilated place away from sources of heat or ignition and direct sunlight. Never weigh out in the storage room.Avoid contact with reducing agents (e.g. amines), acids, alkalis and heavy metal compounds (e.g. accelerators, driers and metal soaps). Please refer to the Safety Data Sheet (SDS) for further information on the safe storage, use and handling of BPO-TW50. This information should be thoroughly reviewed prior to acceptance of this product.

Major decomposition products

Carbon dioxide, acetyl acetone, mixture of aliphatic acids, water