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HS Code |
371982 |
| Chemical Name | Tert-Butyl Peroxy-2-Ethylhexyl Carbonate |
| Cas Number | 34443-12-4 |
| Molecular Formula | C12H24O4 |
| Molecular Weight | 232.32 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Odor | Faint, characteristic odor |
| Purity | ≤100% |
| Boiling Point | Decomposes before boiling |
| Density | 0.93 g/cm³ at 20°C |
| Solubility | Insoluble in water; miscible with organic solvents |
| Flash Point | 60°C (closed cup) |
| Decomposition Temperature | Above 90°C |
| Storage Temperature | 2-8°C (Refrigerated) |
| Stability | Sensitive to heat and contamination |
| Primary Use | Polymerization initiator |
As an accredited Tert-Butyl Peroxy-2-Ethylhexyl Carbonate [Content ≤100%] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 1L amber glass bottle with airtight cap, UN-rated label, hazard pictograms, and product information for Tert-Butyl Peroxy-2-Ethylhexyl Carbonate. |
| Shipping | **Shipping Description:** Tert-Butyl Peroxy-2-Ethylhexyl Carbonate (≤100% content) must be shipped as a hazardous material. Transport in UN-approved containers, upright, away from heat or ignition sources. Keep cool and well-ventilated. Follow UN3107, Class 5.2 (Organic Peroxide Type E, Liquid). Refer to relevant local and international regulations for safe and compliant handling. |
| Storage | Store Tert-Butyl Peroxy-2-Ethylhexyl Carbonate [Content ≤100%] in a cool, dry, and well-ventilated area away from heat sources, direct sunlight, and incompatible materials such as acids, bases, and reducing agents. Keep the container tightly closed and protected from physical damage. Refrigeration may be recommended. Ensure proper labeling and secure access to minimize risks of leaks, spills, or unauthorized handling. |
Applications of Tert-Butyl Peroxy-2-Ethylhexyl Carbonate [Content ≤100%] in Industrial ManufacturingTert-Butyl Peroxy-2-Ethylhexyl Carbonate functions as a high-activity organic peroxide initiator, predominantly serving as a catalyst system component in specialty polymer and plastics industries, as well as in select thermoset and elastomer production processes. We manufacture to global specification, supplying downstream users requiring consistent initiator activity for demanding industrial applications. Below, we outline key application sectors based on actual customer integration cases. 1. Polymerization of Low-Density Polyethylene (LDPE)Producers of LDPE adopt this peroxide as a primary radical initiator due to its defined half-life and predictable decomposition kinetics at high reactor temperatures. It supports fast, uniform chain initiation in high-pressure tubular and autoclave polymerization units. Its use enhances melt flow index consistency, meeting converter requirements for transparency and flexibility in food packaging films. Industry compliance standards
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2. Crosslinking Initiator in Wire and Cable XLPE InsulationCable manufacturers utilize this compound as a crosslinking initiator when producing crosslinked polyethylene (XLPE) insulation. It offers controlled decomposition temperatures, minimizing scorch during extrusion and ensuring consistent gel content. XLPE prepared in this manner meets demanding electrical and mechanical durability requirements for high- and medium-voltage applications. Industry compliance standards
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3. Thermoset Molding Compounds (UPR and Epoxy Resin Systems)Unsaturated polyester and epoxy resin molders select this initiator for curing thick-section or filled castings requiring slow, uniform exotherm control. The initiator’s tailored half-life reduces hot-spot formation and minimizes void formation in complex geometries, ensuring consistent mechanical properties for end-use in demanding technical applications. Industry compliance standards
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4. Elastomer Vulcanization for Ethylene-Propylene-Diene (EPDM) RubberEPDM rubber processors rely on this initiator for metal-free, peroxide-cured rubber formulations used in weatherproofing and automotive sealing. It delivers fine-tuned cure rate for continuous mixing and extrusion, resulting in durable elastomer properties without the side effects of sulfur-based systems. Its decomposition triggers network crosslinks while maintaining color stability and aging resistance. Industry compliance standards
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5. Curative for Thermoplastic Vulcanizates (TPV) in Automotive SealsTPV compounders integrate this initiator for dynamic vulcanization of polypropylene-EPDM blends, generating fine dispersions of vulcanized rubber within a thermoplast matrix. The result is flexible, reprocessable seals with high elastic recovery and surface quality, widely specified by global auto OEMs for durable exterior trims. Industry compliance standards
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6. Polymer Modification for Impact-Resistant Polystyrene (HIPS)Major HIPS producers choose our initiator to control grafting reaction extent between polystyrene and rubber modifiers, ensuring impact strength without excessive gel formation. The consistent free-radical activity enables fine control of rubber phase morphology, creating thermoplastic grades suited for food packaging and appliance housings. Industry compliance standards
Typical usage ratio
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We work with a range of organic peroxides, and Tert-Butyl Peroxy-2-Ethylhexyl Carbonate stands out in our portfolio. Over the years, our plant has invested in scaling up its synthesis using proven, reliable processes to meet consistent product standards. The formula itself, based on the combination of tert-butyl hydroperoxide and 2-ethylhexyl chloroformate, brings a unique balance of peroxide strength and carbon-based stability, which makes it suitable for demanding polymerization processes.
Most batches produced in our reactors come close to or reach content up to 100%. While a high content may sound routine, it demands constant care—from raw material screening to temperature control during distillation, all under vigilant monitoring. Overheating or contamination risks exothermic decomposition, and decades of hands-on plant experience taught us never to get complacent, even when the procedures sound repetitive.
Unlike simpler peroxides with limited shelf stability or volatility, this compound offers a more controlled rate of decomposition at elevated temperatures. Our technical team monitors each run for purity and precise peroxide content, because downstream clients—those making specialty polymers, elastomers, or resins—trust only what’s rigorously documented and repeatable. Our reactors and filtration systems use stainless steel and inert gas blanketing to minimize any risk of degradation before final packaging.
Most inquiries we receive revolve around its performance in polymerization. In our lab trials, Tert-Butyl Peroxy-2-Ethylhexyl Carbonate initiates free-radical reactions in styrenics, acrylics, and certain polyolefin blends. Unlike lower-carbon analogs such as dicumyl peroxide or benzoyl peroxide, it delivers a stronger and more selective activation at modest temperature ranges. That gives plant engineers better process control, lowering the energy footprint and reducing runaway risks. From our decades in the control room, we know that reproducibility and manageable exotherm matter as much as radical generation efficiency.
Customers tell us the difference becomes vivid during scaling. Other standard peroxides, like cumene hydroperoxide, exhibit a sharp onset of decomposition and less flexible control over molecular weight. Working with Tert-Butyl Peroxy-2-Ethylhexyl Carbonate, our clients achieve higher structural uniformity and fewer rejected lots when running continuous processes or batch reactors. Those lessons often come at a cost—lost raw materials, wasted labor, and environmental remediation. That risk drops with a well-engineered initiator.
As manufacturers, safety starts at the drum-filling line. Because this compound has a high peroxide value, we take measures others might skip—segregated warehousing, controlled temperatures, constant ventilation, and regular drum inspection for pressure buildup. Working hands-on, we learned not all competitors follow strict self-imposed protocols. Over years, avoided near-misses confirmed for us that safe isolation from other chemicals such as acids, amines, and metallic powders is non-negotiable. Relying on automatic temperature sensors is helpful, but nothing beats a trained eye and regular walk-throughs.
During transport and final packing, quality assurance staff regularly validate that product doesn't degrade or leak before reaching our clients. We log every drum by batch number, making any traceability issue easier to sort if a client raises concern about odor, discoloration, or barrel swelling. Most chemical factories can recite storage recommendations, but decades of inspection logs show how little slip-ups—inventories packed too close, misplaced heaters, open drains—cause downstream headaches.
Compared to tert-butyl peroxybenzoate or di-tert-butyl peroxide, our carbonate-based peroxide showed higher efficiency in melt index modification of polyolefins. Client feedback (after their own independent test runs) revealed improved control over branching, lower by-product formation, and reduced yellowing in finished plastics. Over repeat orders, they noticed less variation from lot to lot, which isn’t a coincidence. We keep our reactor conditions and purification sequence tight—less raw material deviation, fewer contaminants, and no compromises on batch size scaling.
Some of our rubber compounding clients report using diacyl peroxides to achieve similar crosslink density in elastomers. They found our Tert-Butyl Peroxy-2-Ethylhexyl Carbonate produced cleaner reactions, eliminated the need for excess stabilizers, and cut post-cure odor. They calculated cost savings from fewer off-spec lots, lower emissions, and reduced cleaning cycles.
Manufacturing high-concentration peroxides brings environmental obligations. Waste handling, fugitive emissions, and accidental releases can have significant impact if not strictly controlled. From years of experience operating in compliance-regulated regions, we built independent double-containment systems and run regular leak checks on transfer lines and storage tanks. Regular audits aren’t just for certifications; they shape daily routines for our operators, whose skill lies in prevention—never just in remediation.
Every batch release meets published industry standards for active oxygen content and impurities. We run extensive thermal stability and shelf-life testing, based on real field storage and transit durations, rather than ideal lab conditions. Open-door inspections from environmental agency reps pushed us to refine our process and documentation over the last decade. Rather than treat compliance as a box-ticking exercise, we see these requirements as an extension of our commitment to employee safety and long-haul customer trust.
We don't claim every production period goes as planned. Unscheduled shutdowns—sometimes triggered by a compressor failure, sometimes from a faulty gasket—remind us how sensitive the material can be to even small temperature fluctuations. We documented a few incidents years ago when partial decomposition led to discolored products, forcing us to upgrade our cooling infrastructure and improve site-wide alarm systems. Every incident, big or small, led to deeper training for our staff and updates to standard operating procedures.
Logistics can challenge any peroxide producer, especially at higher concentrations. Regulations differ worldwide, making customs clearance a consistent hurdle. We work closely with certified hazardous materials carriers and monitor regulatory changes affecting shipping or labeling. There’s not much margin for error—mislabeling, incomplete paperwork or incorrect UN shipping classification puts shipments (and safety) at risk. Many of our senior logistics staff spent years on the packaging line before moving to document handling. Their experience informs shipping choices, knowing how material behaves in the field, far from the lab's ideal conditions.
Much of what sets this product apart comes down to stability and decomposition control. Peroxides with lower carbon backbones—acetyl, benzoyl, lauroyl—often decompose more quickly or unpredictably, especially if storage conditions slip into the high side. The Tert-butyl and 2-ethylhexyl groups anchor the molecule, letting the product maintain its potency and effectiveness over longer periods, even after extended transit. That resilience means downstream users sometimes extend storage or run longer campaigns without worrying about losing potency.
From a handling perspective in our facility, carbonate esters have less pungency and stronger odor control than diacyl or dialkyl peroxides, which often linger for days. This makes cleaning safer and more thorough, cutting the risk of human error during filter changes or drum transfer. The physical liquid properties—such as lower volatility—let our production lines manage smaller spills or evaporative losses with less disruption. These may seem like fine details for someone outside the industry, but anyone who ever spent a Friday night unclogging a vent line knows the real value.
In continuous compounders or extrusion lines, clients prefer the slower, more controlled release of free radicals this product offers. Sudden decomposition can cause gels, scorch or bubble formation, which ruins entire production runs. Our product synthesis and quality checks focus on these details—consistency, not just nominal purity. We constantly refine the process to better match the end-user’s reality, not just the chemical certificate or datasheet target.
Reputation—both ours with the chemical and our clients with their products—takes decades to build, but only a single shipment of off-grade material to lose. Our plant’s long history making Tert-Butyl Peroxy-2-Ethylhexyl Carbonate goes back before current ISO certifications were even drafted. We field technical questions directly from customers’ plant engineers, not just procurement, because practical knowledge matters more than marketing claims.
Every improvement in batch yield, purity, trace metal content, or process stability came from inside the plant—operators, lab techs, logistics coordinators working together to chase down root causes and not simply mask symptoms. We don’t pretend the process is easy. Whether it means investing in new distillation trains or running longer trial campaigns, we make adjustments based on field feedback and real-world data. The result is less trial-and-error for our clients, higher productivity, and more reliable outcomes.
We're always hunting for ways to improve material flow, reduce waste, and raise batch consistency. Feedback from customers using our carbonate-based peroxides in new copolymer systems or solventless processes doesn’t stay on a project manager’s desk. Our R&D team frequently runs parallel batch trials to extend the product’s application range or lower activation temperatures. Even minor advances—reducing trace water content or improving purification—reflect as smoother downstream processing, higher product clarity, and better health and safety outcomes for plant operators.
Sustainability isn't a buzzword here. Every advancement in yield, waste minimization, or emission control comes from targeted business decisions, made by people who came up through the ranks and understand what cleaner, safer chemistry means for both the business and the community. Monitoring effluent streams, recovering solvent from vent systems, and switching to low-impact packaging are ongoing projects—each phase planned by people who watched materials move from order to final packaging, never just at a boardroom table.
One truth stands out: no material is “just a chemical.” Every lot we ship reflects years of process improvement, safety upgrades, and cooperative work between operations, engineering, and client technical teams. Our experience with Tert-Butyl Peroxy-2-Ethylhexyl Carbonate is that attention to minor production, storage, and transport details results in major reliability gains for all stakeholders—us as producers, and you as end users or partners.
Our manufacturing philosophy rewards curiosity, open dialog, and a willingness to learn from setbacks. We treat every specification not as a limit to meet, but as a foundation to build upon. In the hands of a plant crew who’s run every shift, faced every anomaly, and delivered to every continent, this chemical is more than a line item. It’s the product of people who take pride in seeing every customer succeed with cleaner, higher-performing polymer products, with as few surprises as possible.