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HS Code |
379646 |
| chemical_name | 2,5-Dimethyl-2,5-Bis(Tert-Butylperoxy)-3-Hexane |
| formulation_content | Content ≤52%, Inert Solid ≥48% |
| cas_number | 78-63-7 |
| molecular_formula | C16H34O4 |
| molecular_weight | 290.44 g/mol |
| appearance | White to off-white solid |
| odor | Faint characteristic odor |
| solubility | Insoluble in water; soluble in organic solvents |
| melting_point | 35–39 °C |
| decomposition_temperature | Approximately 60 °C (decomposes) |
| density | Approx. 1.0 g/cm³ |
| hazard_class | Organic Peroxide (Type E, Solid) |
| storage_temperature | Keep below 25 °C |
| main_use | Polymerization initiator |
| stability | Unstable, decomposes on heating |
As an accredited 2,5-Dimethyl-2,5-Bis(Tert-Butylperoxy)-3-Hexane [Content ≤52%, Inert Solid ≥48%] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 1 kg of 2,5-Dimethyl-2,5-Bis(Tert-Butylperoxy)-3-Hexane (≤52%, with ≥48% inert solid) in a sealed, labeled HDPE drum. |
| Shipping | **Shipping Description:** 2,5-Dimethyl-2,5-Bis(Tert-Butylperoxy)-3-Hexane (≤52%), stabilized with inert solid (≥48%), must be shipped as a temperature-controlled, organic peroxide Type D, solid. Package tightly sealed, protected from heat or shock, with proper hazard labeling (UN 3106). Observe all regulatory requirements for Class 5.2 organic peroxides during transport. |
| Storage | Store **2,5-Dimethyl-2,5-Bis(tert-butylperoxy)-3-hexane [Content ≤52%, Inert Solid ≥48%]** in a cool, dry, well-ventilated area away from direct sunlight, heat, and ignition sources. Keep in tightly closed, compatible containers. Segregate from acids, reducing agents, and combustibles. Use explosion-proof storage if possible, and avoid mechanical shock, friction, or contamination. Follow all standard peroxide storage safety protocols. |
Applications of 2,5-Dimethyl-2,5-Bis(Tert-Butylperoxy)-3-Hexane [Content ≤52%, Inert Solid ≥48%] in Industrial Manufacturing2,5-Dimethyl-2,5-Bis(Tert-Butylperoxy)-3-Hexane serves as a critical silane crosslinking and curing initiator in multiple polymer processing sectors. Our direct manufacturing expertise supports consistent reactivity, customized packaging, and compliance for downstream integration in industrial production lines. Below, we outline key industrial application areas with actionable detail for technical and procurement teams. 1. Crosslinking Agent in Polyethylene Wire & Cable InsulationDownstream cable producers employ this organic peroxide to crosslink low and high-density polyethylene (PE) for insulation and sheathing materials during silane XLPE and peroxide XLPE processes. Material control ensures reliable insulation performance, reduced scorch, and controlled gel content for electrical and telecom cables manufactured by continuous or batch compounding with simultaneous extrusion. Stringent QC on initiator performance optimizes final dielectric strength and heat aging in cable grades. Industry compliance standards
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2. Initiator for Crosslinking Polyethylene Foam ProductionTechnical foam manufacturers use this organic peroxide for chemical crosslinking of polyethylene foam (PEF) in block or roll form. Effective formulation deliver uniform cell structure, mechanical resilience, and high-temperature stability. Integrators manage exothermic reaction profiles in batch or in-line foam expansion setups to minimize scorch and ensure multi-layer adhesion for construction, automotive, and packaging use. Industry compliance standards
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3. Crosslinking Agent for EVA-Based Hot Melt AdhesivesAdhesive compounders incorporate this di-tert-butylperoxy hexane peroxide as a controlled crosslinking initiator for ethylene-vinyl acetate (EVA) resin-based hot melt adhesives. This organic peroxide provides tailored heat response and sets polymer network toughness, improving creep resistance, high-temperature adhesion, and bond retention for industrial and consumer-grade hot melts. Precise handling ensures consistent gel fraction without premature decomposition during reactive extrusion or calendering. Industry compliance standards
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4. Thermoplastic Elastomer (TPE) Vulcanization in Automotive ComponentsDownstream processors use this organic peroxide for dynamic crosslinking (vulcanization) of thermoplastic elastomer blends, especially in TPV (thermoplastic vulcanizate, e.g. PP/EPDM systems) manufacturing. This approach enhances high-temperature compression set, weatherability, and aging performance in under-the-hood and exterior automotive parts. Consistent batch-to-batch reactivity facilitates precision in compound formulation, ensuring robust dimension stability targeted by OEM specifications. Industry compliance standards
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5. Curing Initiator for Crosslinked Polypropylene (PP) CompoundsIndustrial producers utilize this organic peroxide as a crosslinking initiator to modify polypropylene (PP) and increase melt strength and thermal stability. Manufacturers apply this route for specialty PP grades needing improved creep resistance and dimensional stability, especially for pipes, cable jacketing, and certain appliance housings. Secure dosing and thermal management during compounding are essential to achieve target gel content and limit off-gassing during extrusion or molding. Industry compliance standards
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6. Controlled Peroxide Crosslinking in Silicone Rubber CompoundsSpecialty silicone manufacturers employ this organic peroxide as a primary crosslinking system, especially for heat-cured silicone rubber (HCR) in automotive, medical, and electronic seals. Manufacturers ensure balanced reactivity to meet high elongation and tear strength criteria after molding or extrusion, while managing byproduct evolution and minimization of volatile residue by post cure. Strict process parameters optimize final performance for contact with fluids, electrical insulation, or high-voltage applications. Industry compliance standards
Typical usage ratio
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For over two decades, we have focused on the formulation and manufacture of specialty organic peroxides, building deep, hands-on expertise across each phase of production. Our teams run reactors, oversee purification, handle every drum and batch by hand or eye—which means we have seen, and solved, the real-world variables that arise on a working plant floor.
Among the diverse peroxides produced in our facilities, 2,5-Dimethyl-2,5-Bis(Tert-Butylperoxy)-3-Hexane in the grade with active content not exceeding 52% and inert solid no less than 48% has stood out as a reliable mainstay for polymer manufacturers and crosslinking applications. From pilot scale to high-capacity bulk, we continually tune each process step—not just to meet published specs, but to address the day-to-day demands of our production and downstream customer challenges.
Manufacturers in the rubber and plastics sector know crosslinking agents are the workhorses behind the durability and physical properties of finished goods. This particular peroxide finds widespread use in the crosslinking of polyethylene and ethylene copolymers—a backbone ingredient for insulation, cable sheathing, and a host of automotive and construction products. Our consistent formulation helps achieve optimum physical properties by driving molecular bonding where and when it counts, right through thick and thin sections that may see temperature and pressure swings.
Some peroxides present storage headaches or mixing uncertainty because of sensitivity or inconsistent blending. We have designed this product’s carrier system—a carefully selected inert solid matrix—to match its decomposition curve and allow safe, uniform dispersion. Production teams appreciate that the solid blend pours evenly, incorporates smoothly with polymer pellets, and avoids dusting or volatility spikes. Reliability counts most where margins are tight, and every scrap or downtime minute matters. We’ve seen how smoother incorporation improves not just yield, but long-term equipment function by preventing residue buildup.
We keep the active peroxide fraction below 52%. This decision emerges not from desk analysis but from ongoing observations in our own and our customers’ processing environments. At higher concentrations, organic peroxides may risk runaway reactions or hot spots during extrusion or molding—especially if conditions at the screw or head drift outside recommended ranges. Bringing the loaded peroxide content to a controlled limit opens up a safer working window, particularly where line speeds push boundaries or ambient summer heat adds to thermal stress.
The inert solid makes up at least 48% of our final blend. A lower inert content typically means more risk for caking and segregation in hoppers or bags, especially after cross-country transit in shifting climates. Our batch logs show that this composition gives best longevity and resists separation, even when stored for extended periods or handled across multiple shifts. We have field-tested every adjustment by tracking product performance not just in our lab, but in actual user operations—because what matters is performance at the end of the supply chain, not just on a certificate.
Operators prefer products that give predictable results with less fuss. In the real world, a peroxide’s actual behavior may shift from batch-to-batch or under different processing scenarios. Through hundreds of comparative trials, this blend showed lower risk of premature decomposition—allowing higher throughput and better curing profiles, with less scrap attributed to under- or over-crosslinking.
Repeated complaints about dust from powdered peroxides led us earlier on to develop the granular, inert-supported format. This structure makes accurate dosing easier, both in automated feeders and manual systems. Workers find that the granules don’t cake after sitting in process bins, a small but significant point for busy line operators. Where some competitors’ powder formulas could compact and clog lines, especially in humid climates, our formulation kept free-flowing without the need for constant agitation or bin tapping.
Another point often overlooked involves safety during storage and transfer. Our blend’s higher inert fraction helps moderate decomposition during accidental exposure to heat or friction. Decades of incident tracking and feedback from user plants confirm lower rates of shelf-life decline and fewer nuisance exotherms compared with older, higher-active-content offerings.
Every chemical supplier can rattle off active content percentages and generic safety recommendations. The gulf appears in actual, observed process stability, ease of use, and, above all, how much downtime or rework a product causes. Where some peroxides sacrifice stability for maximum peroxide fraction, we balance high performance with an honest look at the day-to-day needs of our main users.
Peroxides with higher active load can, in theory, drop your dosing rates, but our long-standing clients report that such products demand far tighter processing windows and add unnecessary complications. In high-speed extrusion, even a brief upstream stall or cold start can trigger localized decomposition—and then lines need cleaning that can cost hours, not to mention lost product. Our formulation, by comparison, tolerates wider variations in temperature and shear, fitting real-world variations a busy shift may introduce.
On a cost-per-kilogram basis, some resellers push cheaper products with little support for blending or handling quirks. We have worked alongside production managers implementing line upgrades or formulation changes. One crucial detail: with our blend’s inert components matched to the active, compatibility with common polymer carriers, colorants, and UV stabilizers is proven by trial, not merely asserted by a technical bulletin.
Every batch at our facility runs under direct, visible oversight from operators trained on the floor, not just from briefings. Producers handling oxidants such as this peroxide know the importance of steady process conditions and relentless quality control. Real-world problems like ambient temperature swings or raw material variability don’t always show up in lab simulations. Years of forging, distillation tweaks, and quality monitoring have led us to small but vital changes—modifying feed rates during summer, or extending post-reaction hold under certain ambient humidity patterns—to account for what nature and supply chain throw at us.
Our operators test per batch not only for purity but also for flowability, caking, and physical properties across the full spec range—not a random sample pulled early on. We run decomposition and heat-release trials on-site at practical scales, not just relying on third-party or small-vial analysis. This dedication to practical-scale checkouts means the product delivered aligns closer with actual field demands.
Many newer entrants overlook the impact of minor component variations on long-term stability. We’ve reviewed product returns and quality-trend data stretching back decades; trace variants in stabilizer grade or solid matrix have, in the past, caused accelerated breakdown, storage bin corrosion, tainting, or handling complaints from factories in hot, humid regions. Only after circuit after circuit of real-plant testing, with direct feedback from users, did we lock in the blend of solids we use today. The result: longer practical shelf life, lower gas evolution during storage, and far less regional variability in performance.
On the shipping front, certain grades of organic peroxides demand specialized labeling, packing, and freight modes to comply with evolving transport rules. Our composition ships safer—resisting shock and heat triggers—so clients experience fewer rejected loads or transportation delays. This is based not on theoretical hazard classes alone but on incident logs from actual regional distribution centers. Outbound teams coordinate closely with freight handlers, auditing packaging integrity and tracking container temperatures, stepping in immediately if any deviation emerges during transit.
We learned quickly that success means supporting more than the technical parameters listed on a datasheet. For each new client or transition project, our technical advisers walk alongside production teams, tuning the peroxide formulation or adjusting addition techniques to suit specific equipment. Every plant is unique—pressures, extrusion geometry, operator expertise—and we see real value in tweaking blends for optimal melt flow and cure time, rather than insisting on a single setpoint.
We document these findings and feed them back to our R&D pipeline. Years back, one client repeatedly saw air entrapment in thick cable insulation when using another supplier’s product, tied directly to early decomposition of the peroxide. After controlled trials, we adjusted our carrier to slow release and matched their specific heating profile, completely eliminating blowhole defects. This hands-on, iterative style isn’t flashy, but it has earned us long-term partnerships with users who value performance above marketing claims or price alone.
In our experience, many headaches in polymer curing and crosslinking emerge from slight batch-to-batch inconsistencies—often tied to upstream raw material sources, not just mixing technique. We have invested heavily in local raw stock qualification and traceability to ensure every shipment performs like the last, regardless of how many months separate orders or how many containers traverse rough roads to reach our customers.
Our plants follow a rigorous double-check protocol, logging every blend lot, stabilizer addition, and machine setting against every product batch. If a customer experiences any issue, we consult our process records to trace the reference, consult our sample reserve, and offer real solutions—drawing on a body of hands-on failure case studies, rather than generic troubleshooting grids.
Industry shifts are continuous. Today, new regulations tighten allowed traces of byproducts in crosslinking agents, and finished goods buyers demand improved safety documentation. Our blended peroxide already meets strict requirements for both active content and inert nature, with every process redesigned with these rules as baseline, not afterthought. We consult directly with client compliance teams, streamlining paperwork for customs or regional certification demands—another small but meaningful reduction in speedbumps for forward-thinking users.
Recycling and circular economy goals push further demand for precisely formulated, easy-to-handle curing agents. Our focus on inert-solid blending and controlled, mid-range peroxide content gives downstream users flexibility to recycle off-cuts and handle reprocessed blends without dangerous side reactions or safety incidents. This focus on plant-level realities, more than theoretical maximum activity, helps keep our partners agile as their markets change.
Producing organic peroxides at industrial scale is an exercise in balancing rigorous chemistry with the unpredictability of daily operations. Each drum of 2,5-Dimethyl-2,5-Bis(Tert-Butylperoxy)-3-Hexane in our preferred blend reflects experience drawn from hundreds of adjustments, lessons learned from user feedback, and the unpredictable conditions faced by plant managers worldwide.
We believe this particular formulation doesn’t just meet a published specification, but solves for the daily challenges faced along the extrusion line or assembly bench. By matching the active load and inert content to the needs of those who actually run and maintain the equipment, manufacturers tap into reliability, process control, and safety that statistics alone rarely capture.
As new requirements and tighter tolerances emerge, we continue to leverage direct experience—factory walk-throughs, batch records, and on-the-ground dialogue with users. In a market crowded with lookalike products, this focus on the practical and the proven has kept our peroxide at the core of robust, high-performance manufacturing processes, year after year.