Di Tert butyl Peroxide
Di Tert butyl Peroxide - High-Temperature Stability with Powerful Radical Performance
Di-tert-butyl peroxide (DTBP) is a highly stable organic peroxide widely used in polymer chemistry and industrial processing. With its bulky tert-butyl groups, DTBP offers greater thermal stability compared to many other peroxides, making it suitable for high-temperature applications. It appears as a colorless to pale yellow liquid and is primarily valued as a free-radical initiator.
DTBP plays a critical role in polymerization processes, especially in the production of low-density polyethylene (LDPE), polystyrene, and acrylic resins. It also functions as an effective cross-linking agent in silicone rubber and synthetic elastomers, improving heat resistance, elasticity, and mechanical strength. In the fuel industry, DTBP is used as a cetane improver in diesel and biodiesel formulations to enhance combustion efficiency and reduce emissions.
In organic synthesis, DTBP serves as a radical source for methylation and oxidation reactions in the production of specialty chemicals, pharmaceuticals, and agrochemical intermediates. Its controlled decomposition at elevated temperatures makes it particularly suitable for industrial-scale applications requiring consistent radical generation.
Despite its relative stability at room temperature, DTBP remains a highly flammable material and can undergo self-accelerating decomposition if overheated. Proper storage in cool, well-ventilated areas—often under refrigeration—is essential. It must be kept away from strong acids, reducing agents, and ignition sources to ensure safe handling.
Key Types and Characteristics of Di-tert-butyl peroxide
DTBP is typically supplied as a clear liquid in high-purity industrial grades. It is available in bulk tankers, drums, or intermediate bulk containers (IBCs). Some formulations may include stabilizers to enhance storage safety. The liquid form allows easy integration into polymerization and cross-linking systems in industrial manufacturing processes.
Di-tert-butyl peroxide has no approved applications in food or nutritional products. Due to its strong oxidizing and reactive properties, it is strictly restricted to industrial and chemical processing uses. It is not permitted as a food additive or processing aid under food safety regulations.
In industrial applications, DTBP acts as a radical initiator for polyethylene and resin production. It is widely used in cross-linking silicone rubber and synthetic elastomers. In pharmaceutical and agrochemical synthesis, it functions as a controlled radical source for specific oxidation and methylation reactions.
DTBP is not used in animal feed formulations and is not approved as a feed additive. Its chemical reactivity and safety profile limit its applications strictly to industrial processes. Any indirect relevance would only involve polymer materials manufactured using DTBP as an initiator.
DTBP is a colorless to light yellow liquid with high thermal stability compared to many organic peroxides. It is highly flammable and may decompose violently if exposed to excessive heat. It can cause eye and respiratory irritation and is suspected of causing genetic defects. Controlled storage below recommended temperatures is essential.
DTBP is produced through the controlled oxidation of tert-butanol or via reaction pathways involving tert-butyl hydroperoxide under catalytic conditions. The process is carefully monitored to ensure formation of the peroxide bond while minimizing impurities. Final purification and stabilization steps ensure safe industrial-grade product quality.
Property |
Details |
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Chemical Name
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Di-tert-Butyl Peroxide
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Chemical Formula
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C₈H₁₈O₂
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Molecular Weight
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146.23 g/mol
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Polymerization initiator, cross-linking agent, radical source, fuel cetane improver
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Packaging
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Supplied in HDPE drums, stainless steel containers, IBC tanks, and bulk tankers with temperature-controlled transport systems.
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