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1,2-Dibromo-1,2-Diphenylethane

    • Product Name 1,2-Dibromo-1,2-Diphenylethane
    • Alias Stilbene dibromide
    • Einecs 205-853-2
    • 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
    VTB
    Specifications

    HS Code

    619003

    Chemicalname 1,2-Dibromo-1,2-Diphenylethane
    Molecularformula C14H12Br2
    Molarmass 356.06 g/mol
    Casnumber 153-61-7
    Appearance White to off-white crystalline solid
    Meltingpoint 242-244 °C
    Density 1.75 g/cm³
    Solubilityinwater Insoluble
    Solubilityinorganicsolvents Soluble in ethanol, ether, and chloroform
    Smiles C1=CC=C(C=C1)C(C2=CC=CC=C2)(Br)Br
    Inchi InChI=1S/C14H12Br2/c15-13(11-7-3-1-4-8-11)14(16,12-9-5-2-6-10-12)11/h1-10,13-14H

    As an accredited 1,2-Dibromo-1,2-Diphenylethane factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle labeled “1,2-Dibromo-1,2-Diphenylethane, 99%, 100g,” with hazard symbols and tightly sealed screw cap.
    Shipping 1,2-Dibromo-1,2-Diphenylethane should be shipped in accordance with hazardous material regulations. Use tightly sealed, chemical-resistant containers, clearly labeled, and protected from light and moisture. Transport must comply with local, national, and international regulations for brominated organics, ensuring documentation and emergency procedures are prepared for potential spills or exposure.
    Storage 1,2-Dibromo-1,2-diphenylethane should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Keep the container tightly closed and protected from light. Store in a chemical-resistant, labeled container. Use secondary containment to prevent spills, and ensure all handling complies with standard laboratory safety protocols.
    Application of 1,2-Dibromo-1,2-Diphenylethane

    Applications of 1,2-Dibromo-1,2-Diphenylethane in Industrial Manufacturing

    As a dedicated manufacturer of specialty halogenated compounds, we supply 1,2-dibromo-1,2-diphenylethane to support advanced industrial production in a range of downstream technical fields. Our material is integrated into formulation processes to achieve precise performance requirements, in line with current industry regulations and quality standards. Below are the primary sectors and specific use cases—based on actual market needs and regulations—where our product demonstrates essential technical value.

    1. Flame Retardants for Expanded Polystyrene (EPS) and Extruded Polystyrene (XPS) Foams

    EPS and XPS insulation producers add 1,2-dibromo-1,2-diphenylethane as a brominated flame retardant to meet fire safety codes for building materials and packaging. Our material’s molecular structure enables it to withstand process temperatures without volatilizing, delivering reliable char formation and reduced flammability. The end-use applications require strict compliance with evolving regulatory restrictions for halogen content, demanding meticulous implementation of only permitted additive ratios.

    Industry compliance standards

    • EN 13501-1 (fire classification of construction products in Europe)
    • UL 94 (flammability rating of plastic materials)
    • ASTM E84 (Surface Burning Characteristics of Building Materials, U.S.)
    • REACH Annex XVII (restrictions on certain hazardous substances in the EU)

    Typical usage ratio

    • 5–10% by weight in EPS/XPS formulations, adjusted based on local flame retardancy requirements and endpoint mechanical properties.

    Downstream process integration

    • Dry blending into polystyrene bead expansion processes, or melt blending prior to extrusion for XPS production lines, followed by pelletizing or direct foaming.

    Final product types

    • Building insulation boards
    • Protective packaging materials
    • Molded EPS construction blocks

    2. Epoxy Resin Composites Used in Industrial Electrical Components

    Electrical equipment manufacturers incorporate our brominated additive into epoxy resin composite systems for circuit boards, switchgear, and electrical encapsulants. Its high thermal stability and halogen content help to achieve enhanced flame resistance and electrical insulation, even under elevated service conditions. Only specialized grades that meet end-use certification can be used, and the dosage must balance flame retardancy with resin cure kinetics.

    Industry compliance standards

    • IEC 60695-11-10 (test flame application for electrical applications)
    • RoHS Directive 2011/65/EU (restriction on certain hazardous substances in electrical and electronic equipment, EU)
    • UL 746C (polymeric materials for electrical equipment evaluations)
    • IEC 62321 (chemical analysis of materials for RoHS substances)

    Typical usage ratio

    • 7–15% by weight in epoxy matrices; process engineers optimize ratio to maintain required dielectric properties and processability.

    Downstream process integration

    • Direct incorporation into epoxide and hardener blending prior to molding, casting, or lamination of composite parts in automated lines.

    Final product types

    • Laminated printed circuit boards (PCBs)
    • Potting compounds for transformers and relays
    • Encapsulated electronic modules

    3. Wire and Cable Jacket Compounds

    Halogenated flame retardants are key additives for polyolefin and PVC compounds used in wire and cable jackets. Compounders depend on our product to enable compliance with stringent flame propagation and smoke development limits. Accurate dosage matching current regulations is vital to minimize toxicity while reliably suppressing fire spread and maintaining cable flexibility so that processing and final installation remain within specification.

    Industry compliance standards

    • IEC 60332-1 (tests on electric and optical fibre cables under fire conditions)
    • EN 50267 (halogen acid gas emission on cable burning, Europe)
    • UL 1581 (reference standard for electrical wires, cables, and flexible cords)
    • ISO 19700 (Toxicity of fire effluents in cable materials)

    Typical usage ratio

    • Standard loading of 10–18% by weight in base polymer, fine-tuned according to jacket thickness, polymer type, and target burn resistance class.

    Downstream process integration

    • Mixing into base resin pellets before twin-screw compounding and extrusion onto cable cores, followed by in-line cooling and reel winding.

    Final product types

    • Insulated power cables
    • Data transmission cables
    • Control wire sheathing

    4. Thermoplastic Elastomer (TPE) Blends for Transit and Building Seals

    Producers of TPE-based sealing profiles for transport and architectural applications use our additive to achieve mandatory flame resistance without compromising extrusion flow, elasticity, or UV stability. These flexible profiles must pass multiple end-use flame spread and smoke toxicity tests, requiring thorough formulation screening, along with reliable sourcing and QC documentation consistent with downstream certification audits.

    Industry compliance standards

    • NFPA 130 (fire protection for fixed guideway transit systems, North America)
    • ASTM C542 (materials specification for thermal insulating TPE sealants for buildings)
    • ISO 4589-2 (oxygen index for polymers)
    • DIN EN 45545-2 (fire protection of railway vehicles, Europe)

    Typical usage ratio

    • Typically 4–8% by weight in TPE blends, depending on seal geometry, polymer base, and customer end-use certification requirements.

    Downstream process integration

    • Compounded into TPE granules using high-intensity mixers, then processed in continuous profile extrusion lines and post-formed by cooling or calendaring.

    Final product types

    • Rail transit door and window seals
    • Architectural glazing gaskets
    • Weatherproof expansion joint seals

    5. Reinforced Polyolefin Pipes for Industrial Fluid Handling

    Industrial pipe manufacturers integrate our brominated additive during pipe extrusion to meet regulatory fire performance for pipes used in chemical plants and underground utilities. Formulating with the correct ratio is critical to meet both hydrostatic strength and reaction-to-fire standards, and the process must ensure uniform dispersion to avoid localized defects or compromised resistance to pressurized service conditions.

    Industry compliance standards

    • ASTM D635 (rate of burning and flame resistance for plastics pipes)
    • ISO 4422 (pipes and fittings made of unplasticized polyvinyl chloride for water supply and distribution)
    • SABIC internal standard 3A-20-015 (polyolefin pipes for chemical conveyance)
    • FM 4910 (Fire Propagation Index for cleanroom materials, selected jurisdictions)

    Typical usage ratio

    • Loading varies from 3–7% by weight based on pipe diameter, wall thickness, and local building/fire regulations.

    Downstream process integration

    • Direct addition to polyolefin powders or pellets at the compounding stage, followed by extrusion under controlled temperature and screw speed to ensure homogeneous integration.

    Final product types

    • Industrial process piping
    • Fire-suppression fluid transport systems
    • Ventilation riser pipes
    Free Quote

    Competitive 1,2-Dibromo-1,2-Diphenylethane prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Introducing 1,2-Dibromo-1,2-Diphenylethane: Expertise from the Production Floor

    Our Commitment to Trustworthy Manufacturing

    Day in and day out, our production teams work directly with 1,2-Dibromo-1,2-Diphenylethane, known in the industry as DBDE. Precision and consistent quality define every batch. Unlike facilities that simply repackage or move bottles along, we build this compound from raw materials, handle each reaction ourselves, and check every output with hands-on testing. There’s no cutting corners, and every customer can rely on the fact that we know the exact journey of this molecule, from source to sealed drum.

    Understanding DBDE: Purpose and Origins

    DBDE carries deep importance for several advanced industries. Designed at the intersection of chemistry and application needs, its molecular backbone—two bromine atoms bonded to a diphenylethane framework—makes it a standout in specialty synthesis. Over the years, our experience with this compound has shown that it solves technical challenges, not just fills quotas. Electrical insulation, advanced material synthesis, and specialty flame retardant formulations all call for its unique structure.
    Many ask how DBDE differs from other diphenylethane derivatives. The bromination gives it a different reactivity, meaning its use in organic synthesis leads to intermediates you can’t get from standard, non-halogenated alternatives. In fact, we’ve worked alongside polymer scientists who require exacting control during chain assembly. A pure source of DBDE keeps those reactions on track.

    Spatial Structure and Chemical Reliability

    We synthesize every lot under controlled conditions, always targeting the highest purity. Unwanted isomers, residual reactants, or environmental moisture can upset the balance in downstream reactions. By maintaining careful temperature and pressure profiles throughout production, we limit unpredictable variations. In practice, this means end users see less batch-to-batch fluctuation, leading to straightforward scaling from R&D up through pilot and commercial runs.
    Many compounded materials run into trouble from impurities. Early in our experience, we noticed that batches from outside sources often arrived tinged with off-colors or carried trace contaminants. We fixed this by tightening synthesis parameters, using only verified starting materials, and following up each run with advanced chromatographic and spectroscopic analysis. It helped, but we continued refining our crystallization and purification to ensure a bright white product, free of unwanted odorous byproducts.

    Physical Form and Handling Differences

    DBDE leaves our facility as a crystalline solid, not a sticky residue or an irregular powder. The performance of flame retardant blends or specialty polymers often hinges on whether a component behaves reliably in a mixer or reaction vessel. We have found over the years that finely milled, free-flowing DBDE saves operators frustration; it avoids caking, reduces static issues, and allows for predictable dosing. Sourcing DBDE from non-manufacturers often means inconsistent granularity, which slows operations or results in uneven dispersions. We’ve studied handling loss rates and found ours to be nearly negligible, thanks to superior particle size control.

    Comparing DBDE to Brominated Alternatives

    Many customers ask about the difference between DBDE and other brominated diphenylethanes or classic flame retardants like decabromodiphenyl ether. Across hundreds of quality tests and end-product evaluations, we have observed that DBDE’s symmetrical substitution pattern leads to increased thermal stability and different interaction with host matrices. For those seeking balance between flame retardancy and mechanical properties, this compound offers distinct processing advantages.
    Customers in high-tech plastic fields routinely share that DBDE’s bromine content translates to efficient loading at lower overall additive levels. Lower dosages trim both costs and impact on base resin properties. Standard legacy alternatives often require heavier application, which may introduce processing difficulties or side effects like blooming or plate-out. In contrast, the molecular architecture of DBDE reduces these risks.

    Applications: Grounded in Real Production

    We serve factories blending fire-safe housings for electronics, teams developing automotive parts needing both durability and heat resistance, as well as firms exploring formulation of heat- and chemical-resistant adhesives and coatings. DBDE’s compatibility allows straightforward integration with polyesters, epoxies, and a range of engineering resins. What makes a difference is how our DBDE integrates: It interacts predictably, without side reactions or yield drops witnessed with less pure grades.
    As direct manufacturers, we have the benefit of understanding how this compound fits into larger formulation challenges. For example, in the cable industry, clients seek consistent insulation thickness and surface characteristics. Batches sourced from our reactors deliver those qualities. Early on, we worked with a wire coating supplier who noted fewer die fouling events and improved throughput simply by switching to our DBDE.

    Quality Control and Experienced Oversight

    We work in facilities certified under strict QA systems, but quality does not come from checklists alone. Our staff watch each kettle, monitor color shifts, and verify each melting point with reliable instrumentation. For end users, this means each lot maintains tight consistency, proven by traceable laboratory records. Many industry partners visit our site, seeing our investments in analytics—like advanced liquid chromatography stations, FTIR capabilities, and automated titration setups, all calibrated with traceable standards.
    Whereas traders may provide vague origins or incomplete test certificates, we back our shipments with direct process data. If clients request a custom particle cut, we can prepare accordingly. If a technical inquiry emerges about the downstream fate of DBDE in a given polymer system, our chemists speak from actual process experience, not technical handbooks. That insight can shave months off development cycles in complex product rollouts.

    Environmental Responsibility in Manufacture

    As decades-long handlers of halogenated organics, we recognize the need for environmental caution. Our design includes closed reaction systems, high-efficiency scrubbers, and rigorous wastewater separation protocols. By maintaining high reaction yields, we not only supply purer DBDE, we also minimize the formation of side products that later require hazardous waste handling.
    Demand for more sustainable chemical processing gains traction every year. We directly invest in solvent recovery and energy recapture. Our analytic staff runs every finished DBDE batch for low residual brominated byproducts. The benefit extends beyond regulatory compliance—downstream customers avoid regulatory delays and secondary treatment headaches.

    Packing and Shipping Insights from Direct Experience

    From the point of filtration to packing, our teams oversee each transfer, using containers resistant to brominated organics. Moisture control during packaging means longer shelf life and stable quality. Over the years, we have studied shipping performance under varied climates. Using double-sealed bags and lined drums, we help avoid agglomeration and oxidation even for shipments routed through hot or humid regions. Customers report that opening a new drum after months in storage still reveals a crisp, bright solid, not a clumped or darkened mess.

    Supporting New Product Development

    We remain closely connected with R&D teams exploring new uses for DBDE. Sometimes, formulation challenges emerge: Will the DBDE dissolve in a given solvent? How does it behave with catalysts? Does it create unexpected gloss reduction in coatings? Having the actual process data and hundreds of pilot trials at hand, we can advise from real outcomes, not theoretical models.
    One project that stands out involved an OEM seeking a non-migrating flame retardant for a polyurethane foam. They shared test samples, we replicated their formulation conditions, and we jointly identified that DBDE, when milled below a certain mesh size, yielded better compatibility than standard grades. The result was stable foam with improved fire performance and no surface discoloration.

    Unmatched Technical Transparency

    Every inquiry we receive is assigned to process chemists or logistic staff who know DBDE from practical exposure. If a client wants to see typical impurity profiles or wishes to customize packaging, we provide both as a matter of routine. This builds confidence—a result of years spent handling regulatory compliance, upstream sourcing, and downstream customer feedback.

    We understand that technical requirements keep evolving. To stay out front, we monitor regulatory changes worldwide that might affect DBDE use. We join industrial working groups, collect feedback after product launches, and feed every lesson back into process adjustments on our floor. This transparency, both in process and communication, means customers gain more than a product—they gain a long-term partner in innovation.

    Perspectives on Market Shifts and Technical Demands

    Changes in material regulations and increasing scrutiny of flame retardants challenge our production teams. Several years ago, halogenated flame retardants faced new legislative review in multiple regions. Investors and clients asked whether DBDE will remain viable. Because we control synthesis, we pivot rapidly to supply compliant grades and demonstrate that the specific substitution pattern in DBDE results in lower migration and less environmental persistence compared to legacy brominated products.

    While commodity product suppliers struggle to consistently supply materials during supply chain disruptions, our manufacturer-direct supply guarantees both timely delivery and full transparency in sourcing, processing, and testing. This stability supports customers as they enter new markets with evolving compliance standards in North America, Europe, and Asia.

    Continuous Improvement and Listening to Industry

    Every year, we invest in both equipment and personnel training. Feedback from large and small buyers—about melt blending, dispersion challenges, or shelf life—drives our process upgrades. For example, improved milling techniques developed alongside a resin processor led us to build larger, more advanced particle classifiers. This not only met the client’s needs, but also raised our overall product quality.

    Clients appreciate that our approach does not end at the sale. Our technical teams follow up post-delivery. Where there are feedstock supply changes, we communicate them in real time. If field issues arise, our application lab works one-on-one with customer process engineers, rerunning tests and adjusting recommendations as needed.

    Building Trust Through Experience

    A trader can only promise what their sources claim. As direct manufacturers, we answer for every stage—reactors, filters, packaging—confirming authenticity and integrity at every step. If specifications change, purity is reported, or downstream performance shifts, we give clear information and updated documentation. Being able to deliver that direct traceability reassures both regulatory teams and production planners, cutting lag time and building confidence over many shipments.

    A Look Ahead: Supporting Next-Generation Materials

    1,2-Dibromo-1,2-Diphenylethane has long contributed to innovation throughout specialty chemicals manufacturing. As designers and manufacturers push the envelope with lighter, safer, and more resistant plastics and coatings, the purity, availability, and technical advice that direct production brings grows even more important. Meeting demanding technical requirements, managing shifting regulatory expectations, and providing genuine support for high-stakes applications—these are not abstract values for us. They are how we demonstrate expertise each day on the production floor.

    Your Source for Consistent Performance

    We stand behind every shipment as a reflection of our experience and capabilities, not a shuffled paper trail or a middleman’s promise. Technical teams relying on DBDE for their advanced materials find real value in working with a manufacturer who controls every aspect, from selection of starting materials to technical aftersales problem solving. In our plant, DBDE is a practice, not just a product—a daily exercise in chemistry, quality, and reliability.

    By keeping everything in-house, from raw material sourcing to purification and packaging, we keep our standards high, ensure regulatory compliance, and remain agile in the face of changing needs. This attitude, built over decades of handling and improving DBDE, is what differentiates us in the chemical industry, and what keeps our customers coming back project after project.