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2,2-Bis(Tert-Butylperoxy)Butane [Content ≤52%, Type A Diluent ≥48%]

    • Product Name 2,2-Bis(Tert-Butylperoxy)Butane [Content ≤52%, Type A Diluent ≥48%]
    • Alias DTBP-A
    • Einecs 203-978-9
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
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    Specifications

    HS Code

    586405

    chemical_name 2,2-Bis(Tert-Butylperoxy)Butane [Content ≤52%, Type A Diluent ≥48%]
    cas_number 2167-23-9
    appearance Clear to slightly cloudy liquid
    color Colorless to pale yellow
    odor Mild, characteristic odor
    active_ingredient_content ≤52%
    diluent_content ≥48% (Type A Diluent)
    boiling_point Decomposes before boiling
    molecular_formula C12H26O4
    molecular_weight 234.34 g/mol
    density Approx. 0.91 g/cm³ (20°C)
    solubility Insoluble in water, soluble in organic solvents
    flash_point Above 75°C (closed cup)
    storage_temperature Recommended: ≤30°C
    explosive_properties May cause explosion if heated or shocked

    As an accredited 2,2-Bis(Tert-Butylperoxy)Butane [Content ≤52%, Type A Diluent ≥48%] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 1 kg white HDPE bottle with red screw cap, UN-certified label, hazard pictograms, lot number, and product details clearly displayed.
    Shipping 2,2-Bis(Tert-Butylperoxy)Butane [Content ≤52%, Type A Diluent ≥48%] must be shipped as a hazardous material, using UN 3107 (Organic Peroxide Type E, Liquid). Transport in a temperature-controlled, well-ventilated vehicle, keeping away from heat, sparks, and incompatible substances. Use approved packaging, label clearly, and comply with all relevant legal requirements.
    Storage 2,2-Bis(Tert-Butylperoxy)Butane [Content ≤52%, Type A Diluent ≥48%] should be stored in a cool, well-ventilated area away from direct sunlight, sources of heat, and ignition. Keep container tightly closed and protected from physical damage. Segregate from incompatible materials such as acids, bases, and reducing agents. Store at recommended temperatures and follow all relevant safety and regulatory guidelines.
    Application of 2,2-Bis(Tert-Butylperoxy)Butane [Content ≤52%, Type A Diluent ≥48%]

    Applications of 2,2-Bis(Tert-Butylperoxy)Butane [Content ≤52%, Type A Diluent ≥48%] in Industrial Manufacturing

    With a proven record in polymer modification and high-temperature crosslinking, 2,2-Bis(Tert-Butylperoxy)Butane [≤52% active, Type A Diluent ≥48%] serves as a specialty organic peroxide initiator meeting demanding downstream industry requirements. Below are focused application scenarios, each defined by regulatory standards, inclusion ratios, process integration, and the real finished products that benefit from this material’s advanced performance profile.

    1. Crosslinking Agent in Polyethylene (PE) Wire & Cable Insulation

    This peroxide plays a critical role in the production of crosslinked polyethylene (XLPE) insulation, helping manufacturers achieve controlled crosslink density for power and communication cable sheathing. Its activity range and stability support high-throughput, precision-controlled continuous vulcanization (CV) lines, essential for meeting stringent safety and performance benchmarks across energy transmission networks and telecoms infrastructure.

    Industry compliance standards

    • IEC 60502-1/2 (International Electrotechnical Commission requirements for power cable insulation)
    • UL 44, UL 1072 (Underwriters Laboratories wire & cable standards)
    • RoHS, REACH (European chemical stewardship directives)
    • GB/T 12706 (China wire and cable quality standard)

    Typical usage ratio

    • 0.8–2.5 parts per hundred resin (phr), with adjustment based on polymer melt index, line speed, and targeted crosslink degree for insulation thickness

    Downstream process integration

    • Incorporation with base resin during compounding; downstream pelletizing; direct feeding to the extruder hopper prior to high-pressure continuous vulcanization (CV) or e-beam crosslinking section

    Final product types

    • Medium and high voltage power cable insulation
    • Low voltage building wire sheathing
    • Telecommunication cable core protection
    • Subsea and specialty electrical cable jackets

    2. Thermoplastic Elastomer (TPE) Dynamic Vulcanization

    Within specialized TPE manufacturing, this organic peroxide enables controlled dynamic crosslinking during melt compounding of polyolefin and rubber phases. Its decomposition temperature profile matches the thermal processing window of TPE blends, allowing consistent particle morphology and resilience critical for automotive, consumer electronics, and precision-molded applications.

    Industry compliance standards

    • ISO 18064 (TPE material specifications)
    • ASTM D6040 (Olefinic thermoplastic elastomer grades)
    • RoHS and EN 71-3 (Toy and electronics safety)
    • OEM automotive material standards (e.g., VW TL 528, SAE J200)

    Typical usage ratio

    • 0.3–1.2 phr, fine-tuned according to blend composition, target hardness, and heat resistance requirements of the finished elastomer

    Downstream process integration

    • Meticulous dosing with TPE masterbatch in twin-screw extruders or Banbury mixers; peroxide activation during high-shear dynamic vulcanization zone

    Final product types

    • Automotive window gaskets and door seals
    • Overmolded consumer device housings
    • High-flex wire insulation coverings
    • Soft-touch TPE profiles and grips

    3. Curing Initiator for High-Performance Rubber Compounds

    Rubber processors deploy this compound for precise peroxide curing in EPDM, silicone, and polyolefinic elastomer lines. Its ability to initiate neat and clean crosslinking, free from sulfur residues, supports the stringent mechanical, chemical, and aging requirements of seals, O-rings, and high-purity technical rubber products used in automotive, industrial, and medical assembly sectors.

    Industry compliance standards

    • ISO 1629 (Rubber and latex nomenclature)
    • ASTM D2000 (Automotive elastomer classification)
    • FDA 21 CFR 177.2600 (Rubber articles for repeated use, when for food contact)
    • REACH Annex XVII and RoHS, as required for export

    Typical usage ratio

    • 1.2–3.5 phr in EPDM and similar rubbers; levels tailored to compound thickness, cure time, and mechanical property targets

    Downstream process integration

    • Addition at the internal mixer stage, followed by open mill refining and sheet forming; peroxide cure achieved in compression or injection molding step at 170–190°C

    Final product types

    • Automotive door/fuel/hood seals
    • Industrial gasket sheets
    • High-purity silicone O-rings
    • EPDM or FKM technical rubber profiles

    4. Initiator for Crosslinked Polypropylene (PP) Foam Sheet Production

    Producers of expanded polyolefin foams use this peroxide initiator in extrusion lines to crosslink polypropylene, improving foam resilience, closed-cell structure, and recovery performance. The material’s controlled half-life at foam processing temperatures assists in balancing between uniform crosslinking and desired cell size, supporting technical foams for automotive, packaging, thermal insulation, and protection applications.

    Industry compliance standards

    • ASTM D3575 (Flexible cellular materials—physical properties)
    • EN 13501 (Building insulation fire classification)
    • OEM automotive approval (e.g., TS 16949 reference for foam interiors)
    • REACH SVHC, where direct skin contact or interior use is required

    Typical usage ratio

    • 0.5–2.1 phr, customized for desired crosslink density, foam thickness, and expansion rate in each formulation

    Downstream process integration

    • Pre-blending with PP pellets; feeding to extruder prior to nucleation and blowing agent injection; direct crosslinking in continuous or batch oven, then in-line expansion

    Final product types

    • Automotive vibration-damping foam pads
    • Thermal/acoustic insulation foam panels
    • Protective packaging sheets
    • Sports and leisure shock-absorbing mats

    5. Crosslink Catalyst in Ethylene Vinyl Acetate (EVA) Photovoltaic Encapsulants

    In photovoltaic module manufacturing, this material initiates controlled crosslinking in EVA encapsulant sheets, ensuring precise gel content and optical clarity throughout module lamination. Its thermal decomposition profile aligns with standard solar module cure regimes, supporting consistent cell encapsulation and panel durability standards vital to PV system longevity and field performance.

    Industry compliance standards

    • IEC 61215 (PV panel qualification test cycle for encapsulation integrity)
    • UL 1703 (Flat-plate PV module safety)
    • IEC 61730 (PV module construction and performance, encapsulant interface focus)
    • RoHS, REACH (environmental management for solar supply chain)

    Typical usage ratio

    • 0.3–1.0 phr, tuned for gel percent requirements, exposure durability, and encapsulant film thickness

    Downstream process integration

    • Direct mixing with vinyl acetate copolymer prior to film casting or sheet extrusion; activation during autoclave or vacuum laminate batch module production at 140–155°C

    Final product types

    • Perc, HJT, and TOPCon photovoltaic module encapsulant films
    • Backsheet-adhesive EVA films
    • Specialty solar cell protective layers
    • Transparent electrical insulation laminates for PV architecture
    Free Quote

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    Certification & Compliance
    More Introduction

    2,2-Bis(Tert-Butylperoxy)Butane [Content ≤52%, Type A Diluent ≥48%]: Expertise from the Manufacturer’s Floor

    A Closer Look at 2,2-Bis(Tert-Butylperoxy)Butane

    Deep in the world of organic peroxides, 2,2-Bis(Tert-Butylperoxy)Butane holds a distinct place. At our facility, the production of this compound is not some distant formula on a data sheet; it is a daily practice, shaped by the real experiences of the engineers, operators, and quality controllers walking the shop floor. This product, known to many in the industry simply as 'DTBPB', appears as a solution with a content of up to 52%, balanced with Type A diluent from 48% upwards, designed for both safety and process efficiency.

    Consistency from Batch to Batch

    Every chemist recognizes the crucial difference between reading a product spec and actually producing something that does what it promises — with safety and reliability. Our approach has evolved through daily hands-on adjustments and monitoring, not just reading a checklist. The chemistry behind 2,2-Bis(Tert-Butylperoxy)Butane rewards careful temperature and pressure management. We see that slight deviations can cause significant drift in both yield and performance. Over the years, we’ve tightened controls, swapped out materials, adjusted cooling, and trained teams to identify subtle signs of degradation, because once peroxides start to decompose on the line, losses are not just numbers on paper.

    Intended Usage—From Our Perspective

    Customers purchasing this compound often come from polymer, elastomer, and crosslinking industries, applying our product in processes where precise control over reaction time and stability is critical. We make this material primarily for polymerization initiators and crosslinking agents. Comparing lab-scale trials to what happens in a real plant, we know this product isn’t chosen for sheer convenience. Manufacturers want it when they need a peroxide that starts radical reactions in a repeatable, controlled manner, with a manageable activation temperature and minimal unwanted by-products. We focus on maintaining a balance that allows reliable performance through streamlined dosing, thanks to the presence of the Type A diluent.

    Why the Type A Diluent Matters

    The inclusion of a Type A diluent isn’t just a matter of dilution for dilution’s sake — and we didn’t settle on this after one round of tests. Experience taught us that certain diluents can actually complicate storage and transportation, making an already sensitive compound more hazardous if compatibility or volatility don’t line up with real-world handling conditions. In over two decades of scaling production, we witnessed that using this particular diluent helps keep the active ingredient within a safe, manageable concentration, reducing risks both for plant workers and application technicians. It’s a direct result of search and trial, rather than relying on an industry default. Our process leads naturally to a product that’s easier to blend into resins and other reaction systems, while also limiting exotherms and breakdown during shipping.

    Model, Concentration, and Comparison to Other Peroxides

    Within the world of organic peroxides, end-users often ask us about “models” and specifications, since each variant addresses a different set of industrial demands. The product we’re talking about sits at a content of up to 52%, so right in the mid-range compared to some higher-concentration alternatives. A higher loading sounds attractive, but past the mid-50s, the risks multiply with little extra gain in efficiency, especially for routine continuous processes.

    We’ve formulated ours at this range to give a stable balance: strong enough to drive efficient polymerization, but not so concentrated that shelf-life or safety fall off. Some competitors have pushed content over 60%, but storage temperatures need to drop, and they face higher insurance and maintenance costs. We don’t see this approach as paying off for the average customer, especially when the end application doesn’t require such aggressive cure kinetics.

    Application Feedback and Lessons from the Field

    Over decades, our feedback with compounding shops and advanced polymer facilities taught us that less concentrated alternatives can sometimes pose problems in high-throughput operations. Too much diluent can weaken the heat profile or complicate fine control, forcing operators to adjust dosing more frequently or face incomplete crosslinking. From what we see, products with below-40% peroxides come with trade-offs in productivity that aren’t justified in commercial lines.

    We weigh these practical concerns alongside safety. Operators working with our product need to be trained, but our blend avoids the unstable phases seen in purer, anhydrous forms. Flexible enough for batch polymerization, this peroxide–diluent mix has seen reduced downtime compared to ultra-high concentration lines, where accidental hot spots and premature decomposition remain a daily concern.

    Critical Safety and Quality Concerns

    Organic peroxide manufacturing isn’t a business for shortcuts. The hazards are real, and there’s no substitute for routine pressure checks, impurity screening, and fast-acting containment for leaks. After seeing new operators underestimate venting or overlook cooling needs, we bring up these lessons not to scare off buyers, but to encourage respect for the product’s potential. At 52% active, our blend is less likely to run away thermally compared to higher-content grades, but still strong enough for industrial crosslinking, curing FRP, and HDPE pipe manufacturing.

    Our blending lines run with layers of instrumentation and regular manual checks, not out of paranoia, but because leaks, poor agitation, or monomer carryover can turn a good batch into lost product or, worse, a safety review. We’ve turned our trouble logs into training modules, making these routines part of how we guarantee that the drums and totes leaving our warehouse meet not just regulatory numbers, but real everyday reliability.

    Differences from Pure or Higher-Content Peroxides

    Comparing our product to pure 2,2-Bis(Tert-Butylperoxy)Butane, the differences don’t just show up in documentation. Pure forms — even at 80% or above — command tight storage, require refrigerated transport, and limit handling flexibility. At our content limit, we keep the active material in a workable range for most polymerization setups, meaning it can be shipped, moved, and dosed in existing facilities without overhauling chillers or building new blast-proof rooms.

    Some customers come from backgrounds where they have only used pure or nearly pure products, so at first glance, our 52% product might look like a compromise. The story changes after you hear from line operators or maintenance technicians. Drums that freeze or segregate during transfer, hoses that gum up, or residue that corrodes seals — these aren’t bullet points on a spec sheet; they’re hours lost and budgets blown. Our focus is to provide a peroxide blend that doesn’t just work in theory, but supports longer equipment life, fewer shutdowns, and fewer incident reports.

    Managing Supply and Quality—An Insider’s Perspective

    We’ve been through raw material shortages that forced hard choices on allocation and production rates. Since peroxides like 2,2-Bis(Tert-Butylperoxy)Butane depend on stable feedstocks and careful purification, we don’t promise more barrels than we can safely make. This discipline means we can give honest delivery timelines and avoid last-minute product substitutions that can throw off a processor’s calibration and waste a week of production.

    Quality drift is a constant risk in the chemical industry. We deal with temperature swings, equipment fouling, and an ever-changing regulatory landscape. Some “shortcuts” proposed on paper — like pushing concentration limits or swapping diluents for a few percentage points of margin — end up costing more after a bad batch. We stuck to this current blend because repeated trials, not price pressure, convinced us that this ratio works best for consistent activation, smooth blending, and manageable hazard labels.

    Transportation and Storage—Hard Lessons

    Early on, we underestimated transportation as a potential risk zone. Shipments that left our dock in perfect shape once arrived at customers half-reacted, after delays in uncontrolled railyards or ports. Lessons about drum insulation, regular visual checks, and clear training on handling during transfer all come directly from batches that didn’t survive the journey. At this content and diluent mix, we secure a balance that stands up to typical transport — only in the hottest months or slowest containers do we see issues, which we now flag long before delivery.

    Performance in Polymerization and Crosslinking

    Operators running continuous lines use real-world numbers to evaluate process control. In our plant, staff measure induction time, reaction exotherm, and yield drift across seasons. We’ve put this product through pilot lines making crosslinked polyethylene (XLPE) pipe and high-performance elastomers. Reliable results demanded that the peroxide release start at a predictable threshold, and that hot-spot formation remain limited even as line speeds fluctuated by ±20%. The 52% content hits a window that matches our reactors’ control envelopes, so we don’t have to chase process stability with constant tweaks.

    Feedback from polymer converters: lines running with this blend spend less time ramping temperature or worrying about charge uniformity. Completed products repeat mechanical strength and clarity, without high rejection on account of scorch or incomplete cure. Process safety reports indicate, over three years running, lost batches are down more than 30% compared to past higher-concentration mixes that required constant vigilance and frequent intervention.

    Supporting Claims with Data and Experience

    Our process analytics team gathers data from every production cycle—not just for regulatory compliance, but as part of our actual improvement cycle. On average, we chart batch-to-batch variation in active content at less than two percent, and particle or contaminant detection rates below industry thresholds. In several cases where customers brought in samples from competitors, our product demonstrated greater stability across storage windows up to six months, with reduced dropout or layer separation.

    Field support is as crucial as laboratory work. We prioritize hands-on troubleshooting with technical teams at customer sites, analyzing application failures and tweaking supply to real feedback. Not every solution comes from a handbook — some emerge from mid-night calls, last-minute test blends, or diagnosing an off-smell traced to contamination in transfer lines. By approaching every batch as part of a wider relationship, not as a one-time sale, we secure a reputation based on results.

    Addressing Potential Issues in Industrial Use

    Production teams notice two main stress points: reaction control under varying ambient temperatures, and incompatibility with certain fillers or resin systems. From our own lines, we recognize that certain polyolefin blends, or highly filled systems, can show variance in cure or crosslink density. We encourage in-line testing and suggest small-scale trials whenever a new formulation or equipment retrofit enters the scene, based on lessons learned the hard way.

    Waste management remains an ecological concern. Rather than treat residue as an afterthought, our team established phased cleaning procedures for reactor and transfer lines, minimizing both product and environmental loss. Our site-specific material return programs also draw from these priorities, helping customers manage expired or off-spec drums in ways that avoid dumping, unsafe incineration, or regulatory headaches.

    Directions for Users—Straight from the Source

    Over time, we found that proper agitation in feed tanks, steady temperature control, and matching dilution with resin pre-blends secure consistent cures. Customers not following these steps see inconsistent melt flow or color drift, costing time and money. We train engineers to watch for “early kick-off”: premature reactions that trace back to thermal lag, decaying seals, or contaminated equipment. These are not theoretical risks; they are routine challenges we handle every day.

    Regulatory and Compliance Factors

    Rules for shipping, storing, and using organic peroxides keep evolving. Our compliance managers interact regularly with local, regional, and international agencies, translating legal jargon into procedures that actually get followed on the floor. Products like ours require visible documentation, but also regular retraining and updates on changes in regulations. We address compliance not only to avoid fines but because each incident in this sector reflects across the whole industry. This proactive stance spares us from the scramble that some competitors face after regulation changes.

    Final Thoughts: Why Our Approach Works

    As a manufacturer, the connection to 2,2-Bis(Tert-Butylperoxy)Butane isn’t abstract. It’s shaped by feedback from operators, batch chemists, and customers trying to solve specific, demanding technical challenges. The blend sitting at up to 52% active content, with just under half by weight of a proven, compatible diluent, hasn’t been chosen for generic reasons. Our experience shows this concentration provides a real, repeatable improvement: safer storage, more consistent processing, and a margin of error that protects both workers and bottom lines. Where others rush to boost numbers or drop price through shortcuts, we rely on years of accumulated know-how, regular improvement, and respect for the end-user. That’s why this product stands up in the toughest, most regulated, and most innovation-hungry corners of the chemical industry.