Perodox® C - Tert Butyl Peroxybenzoate

Tert Butyl Peroxybenzoate (TBPB) is primarily used as a high-temperature initiator for polymerization of acrylates and methacrylates in applications such as coatings production, bulk polymerization, and suspension polymerization.

Perodox C has an active oxygen content of 8.24%, which contributes to its effectiveness as a polymerization initiator.

TBPB is effective in the temperature range of 100-170°C, making it suitable for high-temperature polymerization processes.

TBPB should be stored at temperatures between 10°C to 25°C. The minimum storage temperature prevents crystallization, while the maximum temperature ensures stability. When stored properly, it maintains specifications for at least 3 months.

The molecular weight of Tert Butyl Peroxybenzoate is 194.2 g/mol.

The Self-Accelerating Decomposition Temperature (SADT) for Perodox C is 60°C (140°F).

TBPB has a half-life of 0.1 hour at 142°C, 1 hour at 122°C, and 10 hours at 103°C in chlorobenzene.

TBPB is suitable for solution polymerization, bulk polymerization, and suspension polymerization of acrylates and methacrylates.

The EINECS/ELINCS number for Tert Butyl Peroxybenzoate is 210-382-2.

When stored according to recommended conditions (10-25°C), Perodox C maintains specifications for at least 3 months after delivery.

Major applications include polymer production, polymer crosslinking, thermoset composites, and acrylics production, particularly in coatings manufacturing.

TBPB offers a balanced decomposition profile with effective initiation in the 100-170°C range, making it suitable for various high-temperature polymerization processes. It has higher thermal stability compared to some other peroxides.

Avoid heat sources, open flames, and direct sunlight. Use appropriate personal protective equipment including safety goggles, gloves, and protective clothing. Ensure adequate ventilation and have emergency equipment readily available.

The activation energy for TBPB decomposition is 151.59 kJ/mole.

Standard Tert Butyl Peroxybenzoate is not specifically formulated for direct food contact applications. For such uses, consult the manufacturer for appropriate grades and certifications.

TBPB has the chemical formula C11H14O3 and consists of a tert-butyl group attached to a peroxybenzoate moiety. Its molecular structure contributes to its thermal stability and decomposition characteristics.

The decomposition rate of TBPB increases exponentially with temperature. At higher temperatures, the half-life decreases significantly, leading to faster initiation of polymerization reactions.

Major decomposition products include tert-butanol, benzoic acid, carbon dioxide, and various radical species that initiate polymerization.

Yes, TBPB is soluble in most organic solvents including aromatic hydrocarbons, chlorinated solvents, esters, and ketones, which facilitates its use in various polymerization systems.

The typical dosage ranges from 0.5% to 3.0% based on monomer weight, depending on the specific application, desired molecular weight, and polymerization conditions.

TBPB has higher thermal stability than BPO and is effective at higher temperature ranges. While BPO is often used with accelerators at lower temperatures, TBPB is suitable for high-temperature processes without additional accelerators.

TBPB is used in plastics, coatings, adhesives, composite materials, and specialty chemical manufacturing industries where high-temperature polymerization is required.

While TBPB is primarily used for solution, bulk, and suspension polymerization, it can be adapted for certain emulsion polymerization systems with proper formulation and stabilization.

TBPB does not have a defined flash point as it may decompose before reaching its flash point temperature. It is classified as a flammable solid due to its oxidizing properties.

Dispose of TBPB in accordance with local, regional, national, and international regulations. Small quantities can be decomposed slowly in a controlled manner, while larger quantities should be handled by licensed waste disposal companies.

TBPB is classified as Organic Peroxide Type D, Division 5.2, UN 3105, Packing Group II for transportation purposes.

Yes, TBPB can be used in combination with other initiators or reducing agents in redox initiation systems to achieve specific polymerization kinetics or lower temperature activation.

Like most free radical polymerizations, TBPB-initiated reactions can be inhibited by oxygen. In some cases, oxygen scavengers or inert atmosphere may be necessary for complete conversion.

When stored at recommended temperatures (10-25°C) away from contaminants and ignition sources, TBPB demonstrates good stability with minimal decomposition over several months.

For skin contact: Wash with plenty of water. For eye contact: Rinse cautiously with water for several minutes. For inhalation: Move to fresh air. In all cases, seek medical attention if irritation persists.

TBPB is primarily a thermal initiator and is not typically used in UV-curing systems. For UV applications, photoinitiators are more appropriate.

TBPB has a density of approximately 1.04 g/cm³ at 20°C, though this may vary slightly depending on the specific formulation and purity.

TBPB is suitable for high-pressure polymerization processes and maintains its decomposition characteristics under elevated pressure conditions commonly used in industrial polymerization reactors.

TBPB is compatible with a wide range of vinyl monomers including styrene, methyl methacrylate, acrylates, and other common monomers used in industrial polymerization processes.

TBPB is incompatible with strong reducing agents, strong acids, strong bases, and other substances that may catalyze its decomposition. It should be stored separately from these materials.

Recommended PPE includes chemical safety goggles, impermeable gloves, protective clothing, and if ventilation is inadequate, appropriate respiratory protection.

As with most initiators, higher concentrations of TBPB typically result in lower molecular weights due to increased initiation sites, while lower concentrations favor higher molecular weights.

Once opened, containers should be resealed tightly and used as soon as possible. Under optimal conditions, the product should be used within 1 month of opening to ensure consistent performance.

Yes, TBPB can be used as a crosslinking agent for certain polymers, particularly in the production of thermoset materials and composites where high-temperature curing is required.

Perodox C (TBPB) typically appears as a clear to slightly yellow liquid with a characteristic aromatic odor.

TBPB has a lower decomposition temperature range (100-170°C) compared to dicumyl peroxide (130-180°C), making it suitable for applications requiring initiation at moderately high temperatures.

Quality control includes testing for active oxygen content, purity by HPLC, water content, and stability testing to ensure consistent performance and safety.

For food-contact applications, specific grades with appropriate purity and certifications are required. Standard TBPB may not be suitable without additional purification and testing.

TBPB has a low vapor pressure at room temperature, which increases with temperature. Specific values depend on the temperature and should be consulted in the product's safety data sheet.

Small spills should be absorbed with inert material and placed in appropriate containers. Large spills may require professional hazardous materials response. Avoid generating dust and provide adequate ventilation.

TBPB may undergo self-accelerating decomposition at temperatures above its SADT of 60°C rather than auto-ignition. It should be stored and handled well below this temperature.

Yes, international shipping of TBPB must comply with IMDG (sea), IATA (air), and ADR (road) regulations for organic peroxides, including proper classification, packaging, labeling, and documentation.