Perodox® 141 - 2,5-Dimethyl-2,5-di(2-ethylhexanoylperoxy) hexane

2,5-Dimethyl-2,5-di(2-ethylhexanoylperoxy)hexane (CAS 13052-09-0) is an organic peroxide compound used primarily as a free radical initiator in polymerization reactions and as a crosslinking agent for various polymers. It appears as a colorless liquid with a slight mint-like odor

The molecular formula is C24H46O6

The molecular weight is 430.62 g/mol

It appears as a colorless liquid with a slight mint-like odor

The boiling point is predicted to be 471.1 ± 55.0 °C

The density is predicted to be 0.967 ± 0.06 g/cm³

It has very low water solubility of 27.9 μg/L at 20°C

The vapor pressure is 0.01 Pa at 25°C

The LogP value is 7.1 at 25°C, indicating high lipophilicity

The flash point is 195.6 °C

This compound is primarily used as a free radical initiator in polymerization reactions and as a crosslinking agent for various polymers including silicone rubber, polyethylene, and other synthetic rubbers

It is used to initiate free radical polymerization of monomers such as styrene (ST) and methyl methacrylate (MMA) in the temperature range of 50-80°C

Yes, it functions as an effective high-temperature crosslinking agent for vinyl silicone rubber, providing high tensile strength

Yes, it is employed as a crosslinking agent for polyethylene, improving heat resistance and chemical stability

Yes, it is used as a chemical modifier for polypropylene to enhance material properties

Yes, it serves as an antioxidant and anti-aging agent in polymer materials

It can crosslink silicone rubber, chlorosulfonated polyethylene, polyurethane, EVA, and other adhesive materials

It is classified as Hazard Class 5.2 (Organic peroxide) with Packing Group II

The GHS hazard statement is H242: Heating may cause a fire

Precautionary statements include P210, P220, P234, P280, P370+P378, P403+P235, P411, P420, and P501

Store in a cool, dry, well-ventilated area away from heat, sparks, open flames, and incompatible materials

The auto-accelerating decomposition temperature is 80°C

The half-life temperature for 1 minute is 192°C

It is unstable and may decompose, generating heat and gas. It may contain an inhibitor to improve stability. It is incompatible with strong oxidizing agents, acids, reducing agents, organic materials, and powdered metals

Wear appropriate protective clothing, gloves, eye protection, and face protection. Ensure adequate ventilation and avoid breathing dust/fume/gas/mist/vapors/spray

The CAS number is 13052-09-0

The EINECS number is 235-935-5

The refractive index is 1.452

Yes, it is available in different specifications such as DHBP-50A (yellow liquid, ≥92.0% content) and DHBP-50B (white powder, 49.0-51.0% content)

It can be prepared by reacting 2-ethylhexanoyl peroxide with hydrogen peroxide. The synthesis requires special care and equipment due to the compound's instability

Raw materials include 2-ethylhexanoyl peroxide and hydrogen peroxide

2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane (CAS 78-63-7) has a different peroxide group (tert-butylperoxy instead of 2-ethylhexanoylperoxy), different molecular weight (290.44 g/mol), and different applications. It is also used as a vulcanizing agent for silicone rubber and a chemical modifier for polypropylene

This compound does not have the easy gasification of tert-butyl peroxide or the odor of dicumyl peroxide. It is an effective high-temperature crosslinking agent for vinyl silicone rubber with high tensile strength and low elongation

Yes, it is classified as a hazardous chemical and is included in the dangerous goods list with specific transportation regulations

It belongs to Packing Group II for transportation

When stored properly in a cool, dry place away from heat and incompatible materials, it can typically be stored for extended periods. However, always check the manufacturer's recommendations and conduct stability tests before use if prolonged storage has occurred

Store at normal temperature (<38°C) and avoid exposure to heat sources. The alarm temperature is 75°C

Typical concentrations range from 0.005 to 0.100 mol/L for initiating styrene and methyl methacrylate polymerization

The optimal temperature range is 50-80°C for polymerization reactions

Dispose in accordance with all local, regional, national, and international regulations. Contaminated packaging should be emptied and disposed of as unused product

With very low water solubility (27.9 μg/L at 20°C) and high LogP (7.1), it has potential for bioaccumulation. Avoid release to the environment

It is incompatible with strong oxidizing agents, acids, reducing agents, organic materials, and powdered metals

It is incompatible with powdered metals. Use with caution around metal surfaces that might catalyze decomposition

It is available in 1kg, 25kg, and 200kg packages. Liquid specifications are packaged in 25kg PE barrels, while powder specifications are packaged in PE plastic bags with 5kg net weight per bag, and 20kg net weight per box

It is available from various chemical suppliers including Shandong Do Sender Chemicals Co.,Ltd. and others

Alternative names include: 2,5-Dimethylhexane-2,5-diperoctoate; 2,5-bis(2-Ethylhexanoylperoxy)-2,5-dimethylhexane; Initiator LQ-TBPD; Hexaneperoxoic acid, 2-ethyl-, 1,1,4,4-tetramethyl-1,4-butanediyl ester; and several others

The activation energy is 36.0 kcal/mol

Unlike dicumyl peroxide, 2,5-Dimethyl-2,5-di(2-ethylhexanoylperoxy)hexane does not have the strong odor associated with dicumyl peroxide, making it preferable in certain applications

There is no specific information available about food-contact applications. Users should verify regulatory compliance for their specific application

The specific gravity is approximately 0.967, which is slightly less than water

While specific light sensitivity data is not provided, as with most organic peroxides, it should be protected from direct sunlight and stored in appropriate containers

Specific viscosity data is not available in the search results, but it is described as a colorless liquid

Due to its thermal instability and predicted boiling point of 471.1°C, distillation is not recommended as it may lead to decomposition

Specific melting point data is not available in the search results

Purity is typically determined by analytical methods such as HPLC or titration. Different grades are available with varying purity levels

Handle at temperatures below the alarm temperature of 75°C to prevent decomposition

It may contain an inhibitor to improve stability during storage

Specific heat of decomposition data is not available in the search results, but as an organic peroxide, it can decompose exothermically

There is no specific information about medical applications. Users should verify biocompatibility and regulatory approval for medical uses