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1,3,5-Tris(4-Bromophenyl)Benzene

    • Product Name 1,3,5-Tris(4-Bromophenyl)Benzene
    • Alias TBPB
    • Einecs 609-041-7
    • 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

    428879

    Product Name 1,3,5-Tris(4-Bromophenyl)Benzene
    Cas Number 108636-42-5
    Molecular Formula C24H15Br3
    Molecular Weight 572.09 g/mol
    Appearance White to off-white powder
    Melting Point 283-285 °C
    Solubility Insoluble in water; soluble in organic solvents like chloroform
    Purity Typically ≥98%
    Boiling Point Decomposes before boiling
    Density 1.79 g/cm³
    Smiles Brc1ccc(cc1)c2cc(cc(c2)c3ccc(Br)cc3)c4ccc(Br)cc4
    Inchi InChI=1S/C24H15Br3/c25-19-7-13-21(14-8-19)23-16-1-2-17-24(18(23)3-4-23)22-15-9-20(26)10-22/h1-18H
    Synonyms 1,3,5-Tris(4-bromophenyl)benzene; TBPB
    Storage Temperature Store at room temperature, protected from light

    As an accredited 1,3,5-Tris(4-Bromophenyl)Benzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

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    Application of 1,3,5-Tris(4-Bromophenyl)Benzene

    Applications of 1,3,5-Tris(4-Bromophenyl)Benzene in Industrial Manufacturing

    1,3,5-Tris(4-Bromophenyl)Benzene serves as a high-performance aryl bromide building block for advanced material manufacturing across several technical fields. As the direct manufacturer, we supply this compound for critical applications where consistent purity and batch homogeneity are essential for downstream functional performance and compliance. Below are the main sectors and manufacturing scenarios in which this specialty chemical plays an indispensable role.

    1. Organic Light Emitting Diode (OLED) Materials

    Leading display and lighting producers use 1,3,5-Tris(4-Bromophenyl)Benzene as a core intermediate for synthesizing star-shaped triphenylbenzene derivatives, which act as key hosts and emitters within OLED device architectures. Custom substitution patterns on the benzene core enable tuned carrier mobility, high photoluminescence quantum efficiency, and device longevity. Purity above 99.5% is required to avoid nonradiative recombination. Downstream partners use this intermediate for multi-step Suzuki coupling and amination reactions, followed by vacuum deposition or solution processing for device layer fabrication.

    Industry compliance standards

    • IEC 62341 (OLED device safety and performance standards)
    • RoHS Directive 2011/65/EU for hazardous substances restriction
    • ISO 9001:2015 quality management systems throughout production chain
    • REACH Regulation (EC) No 1907/2006 registration for chemical safety

    Typical usage ratio

    • Commonly 10–40% by weight as a core intermediate in OLED host or emitter synthesis; content is tuned for device layer morphology, electron/hole balance, and emission wavelength, based on final application requirements (mobile, TV, lighting).

    Downstream process integration

    • Direct input to the aryl bromide coupling stage (Suzuki, Buchwald–Hartwig) in organic synthesis chain
    • Introduced after initial benzene core formation for derivatization
    • Precursor to high-mobility molecular compounds used in thin-film device layer fabrication (vacuum thermal evaporation or spin-coating)

    Final product types

    • Active matrix OLED smartphone and TV screens
    • Flexible OLED panels
    • Solid-state lighting modules
    • Wearable light-emitting devices

    2. Advanced Liquid Crystal Display (LCD) Alignment Layers

    Key LCD manufacturing partners apply 1,3,5-Tris(4-Bromophenyl)Benzene derivatives to engineer polyimide alignment layers with high thermal stability, chemical resistance, and precise anchoring properties. In polyarylate copolymerization, this brominated arene ensures molecular rigidity, planarity, and promote orderly nematic liquid crystal orientation, which is vital for high-resolution, high-contrast displays. Batch-to-batch consistency controls isotropy and electro-optical performance during TFT LCD fabrication.

    Industry compliance standards

    • IEC 60107-1 for display characteristics
    • EU RoHS and REACH compliance for restricted substances and chemical registration
    • UL 94 for display flammability tests
    • ISO 9241-307 display quality requirements

    Typical usage ratio

    • Used at 5–15% molar ratio in polyimide or copolymer backbones; content adjusted for film thickness, thermal stability, and alignment strength per LCD type (a-Si, LTPS, mini-LED backlight units).

    Downstream process integration

    • Incorporated after acid anhydride opening during the polyamide-imide synthesis
    • Polymer solution applied by spin-coating or slit-coating to glass substrate, then imidized and surface-treated
    • Fulfillment of precise anchoring direction and pretilt angle requirements before LC cell assembly

    Final product types

    • IPS, VA, and TN LCD modules
    • Automotive and industrial display panels
    • Medical imaging monitors
    • Wearable smart devices with high contrast ratio

    3. High-Performance Polymers for Aerospace and Electronics

    Aerospace and electronic device manufacturers integrate tris-brominated benzene units into high glass-transition polymers such as polyarylates, polyimides, and polyethers. This structure imparts flame retardancy, thermal endurance, and chemical resistance, all critical for insulation materials and PCB laminates in demanding environments. Material purity and accurate stoichiometry reduce defect rates, off-gassing, and dielectric loss in the final products. Compliance with halogen regulations and controlled release of bromine during end-use is tracked throughout polymer development.

    Industry compliance standards

    • UL 94 V-0/V-1 flammability ratings for plastics
    • IPC-4101B (laminate specification for PCBs)
    • EN 45545-2:2013 for rail and transportation fire protection
    • REACH Annex XVII for brominated flame retardants

    Typical usage ratio

    • 3–25% by weight in the resin formulation, higher loadings for ultra-high flame retardancy; level tailored to end-use flammability, dielectric, and mechanical requirements.

    Downstream process integration

    • Reacted via nucleophilic aromatic substitution or copolymerization into resin backbone
    • Integrated post-dissolution during high-temperature extrusion, compounding, or as monomer in step-growth polymerization
    • QC analysis to confirm molecular weight and degree of bromination before molding/sheeting/lamination

    Final product types

    • High-performance circuit board laminates
    • Wire and cable insulation for aerospace and defense
    • Heat-resistant structural polymer parts
    • Low-loss dielectrics for RF/microwave devices

    4. Specialty Photoinitiator and UV-Curable Resin Synthesis

    Photochemical manufacturers employ this compound to build multifunctional aromatic backbone structures for custom photoinitiators and high-reactivity UV-crosslinkable oligomers. Multifunctionality and high bromo content support diverse radical initiation and propagation mechanisms under UV irradiation, enhancing polymerization control and final film durability. Strict control of byproduct and trace metal level aligns with UV-curing system requirements for electronics assembly, optic fiber coatings, and graphic arts. Formulators fine-tune molecular ratio to achieve desired photospeed and film hardness.

    Industry compliance standards

    • ISO 4582 for UV exposure testing of coatings
    • REACH and TSCA listing for safe handling
    • UL 746C for polymeric materials used in electronics
    • Directive 2009/48/EC for consumer photoproducts safety (as relevant)

    Typical usage ratio

    • 1–8% by weight in photoinitiator blends; 10–20% in UV-curable oligomer backbones depending on desired crosslink density, reactivity window, and cured film specification.

    Downstream process integration

    • Integrated during the design of aromatic photoinitiator or resin monomer
    • Undergoes coupling or substitution reactions to tether photosensitive groups
    • Final products added as masterbatch or direct resin component ahead of UV exposure and curing steps

    Final product types

    • Electronic assembly adhesives and underfills
    • High-durability fiber optic coatings
    • Digital printing plates and inks
    • Industrial 3D printing resins and coatings

    5. Specialty Intermediates for Liquid Crystal Monomer Synthesis

    Producers of tailored liquid crystal monomers and mesogens adopt this brominated aromatic structure to construct rigid core systems with precise lateral substitution. The triphenylbenzene scaffold forms the basis for high birefringence, broad nematic range, and rapid dielectric response in advanced LC compounds. Synthesis protocols require careful handling to avoid debromination or contamination, and further halogenation or etherification adapts properties for fast-switching, energy-efficient LC devices. Cross-sector collaboration ensures these intermediates meet analytical and application endpoints for customer-specific performance in display and sensor technologies.

    Industry compliance standards

    • ISO 8467 for LC chemical testing
    • REACH and K-REACH monomer registration
    • RoHS and EN 62321 for halogen content limitation
    • ISO 14001 EMS certified for synthesis waste management

    Typical usage ratio

    • Generally used at 20–50% molar basis in LC monomer or oligomer synthesis; the exact ratio depends on target molecular weight, viscosity, and optical performance needs.

    Downstream process integration

    • Introduced post-halogenation during multi-stage monomer functionalization
    • Processed via clean-room reaction setups to ensure ultra-low impurity profiles
    • Final monomers undergo vacuum distillation and advanced purification prior to display LC blending

    Final product types

    • High-frequency LC displays
    • Optical switch modules
    • Low-voltage, energy-saving display panels
    • Custom sensor and imaging assemblies
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    Certification & Compliance
    More Introduction

    Unlocking the Potential of 1,3,5-Tris(4-Bromophenyl)Benzene: A Deep Dive into a Unique Organic Compound

    Introduction

    The world of chemical synthesis opens doors to endless creative applications. Every molecule carries a story—one shaped by innovation and pure necessity. Among the vast sea of organic compounds, 1,3,5-Tris(4-Bromophenyl)Benzene draws plenty of attention for its specialized role within research and industry. This is not just another aromatic compound—its structure, chemical character, and value for advanced materials set it apart from everyday reagents.

    What Makes 1,3,5-Tris(4-Bromophenyl)Benzene Stand Out?

    At first glance, this compound presents as a crystalline powder, clean and stable once stored away from light and moisture. It goes by the CAS number 63609-99-4, but the real intrigue lies in its molecular backbone: three brominated phenyl groups attached to a central benzene ring. This arrangement brings out rich reactivity, making it a prized starting material for building custom organic frameworks and functional polymers.

    Speaking as someone with years of experience handling aromatic building blocks, I’ve found that 1,3,5-Tris(4-Bromophenyl)Benzene bridges a unique gap between routine reagents and high-performance materials. With a formula of C24H15Br3 and a molecular weight tipping over 560 g/mol, the compound’s mass and symmetry give chemists flexibility when they need to extend molecular complexity without sacrificing thermal stability or reactivity.

    Model, Purity, and Structure—Essentials That Matter

    Labs sourcing this compound often look for high-purity samples—95% and upward—to dodge the headaches of downstream purification. Each batch must deliver repeatable results, especially if the target application demands tightly controlled electronic or optical properties. Analytical checks—like NMR, HPLC, mass spectrometry—offer reassurance that the product does what it’s supposed to do, batch after batch. Manufacturing quality can differ, so reliable vendors who provide verified documentation and institutional-grade purity become partners rather than simply suppliers.

    Hydrocarbon frameworks featuring triple bromination on the benzene periphery offer a consistent pattern of reactivity. In my experience, the substitution positions matter: by pinning bromines on the 4-positions, chemists gain access to extended conjugation or coupling options that would be out of reach with standard trisubstituted benzenes. This orientation allows for stepwise growth of molecular chains or grids—an asset for pushing into areas like organic electronics or supramolecular chemistry.

    Usage—Driving Innovation from Polymeric Materials to Electronics

    1,3,5-Tris(4-Bromophenyl)Benzene isn’t a household name, but it’s a backbone for innovation across multiple fields. In organic synthesis, it often steps onto the stage as a core for Suzuki-Miyaura or Ullmann-type couplings. The electron-withdrawing bromines serve as reliable handles for replacing aryl units, metallation, or building up dendritic architectures. Long ago, I remember tackling a stubborn cross-coupling challenge; conventional biphenyl systems lacked rigidity, forcing us to look at richer scaffolds. This tris(bromophenyl)benzene, with its tripod arrangement, became the missing piece enabling three-way connectivity without excess molecular wiggle.

    If you’re following the evolution of emerging technologies, semiconducting polymers and porous organic frameworks often grab headlines. Researchers use this compound’s central benzene as a platform for growing robust 3D networks or organizing conductive pathways. In practice, the resulting polymers can form the base for OLEDs, photovoltaic cells, or even molecular sieves for gas separation. Versatile intermediates like this help bridge lab-scale discoveries with real-world material applications.

    Working with the compound isn’t tough for those familiar with organic chemistry. It’s soluble in a range of common solvents, including chlorinated hydrocarbons and many polar aprotic liquids. The brominated framework resists air and moisture, making it suitable for multi-step synthetic routes without rapid degradation. Storage guidance is simple—cool, dry, dark—so labs avoid unnecessary risks while maximizing shelf life.

    Comparing the Compound to Other Building Blocks

    The field isn’t short of multi-brominated aromatics, but few strike the same balance between reactivity and design potential. For instance, 1,3,5-tribromobenzene offers similar bromine content but lacks the added bulk and potential for extended conjugation that three phenyl arms provide. There’s also the choice between this compound and other trisubstituted benzenes, such as 1,3,5-Tris(phenyl)benzene or derivatives featuring iodo or chloro substitution.

    Based on hands-on synthesis, switching from bromine to iodine increases the reactivity in certain couplings but raises questions about stability and cost. Iodinated analogues sometimes degrade more rapidly and carry higher price tags, which can matter for scaling up materials. Chlorinated substitutes can be more stable but don’t always deliver the same clean reactivity in cross-coupling. Bromine, sitting in the middle, gives a sweet spot: robust bond-forming with manageable side reactions.

    Sterically, the three peripheral phenyl groups both protect the central core and provide sites for further functionalization. The design unlocks the potential for planar or three-dimensional arrangements, whereas simpler trisubstituted benzenes often stay too small or too flexible for advanced device architectures. For anyone involved in material science, these subtle shifts in molecular geometry make all the difference. It’s not simply about adding three bromines; it’s about designing a molecular scaffold primed for functional expansion.

    Relevance to Research and Industry

    Academic groups and R&D labs chase after molecules that lower the barrier between small-molecule chemistry and real-world performance. 1,3,5-Tris(4-Bromophenyl)Benzene ticked that box long before the materials boom caught public attention. In libraries of organic intermediates, it doesn’t stand out for flash or fame, but for reliability—offering freedom to chart new synthetic paths for structurally novel frameworks or molecular electronics.

    Think about all the work happening today on organic solar cells. The need for threefold symmetry, robust light absorption, and tunable electronic properties keeps research focused on expanded aromatic cores. By anchoring three reactive sites onto a symmetric benzene, this compound supports researchers in weaving complicated molecular tapestries—structures with practical use in solar harvesting, flexible electronics, or energy storage.

    Industrial demand tracks closely with the evolution of organic semiconductors and nanostructured catalysts. Chemical suppliers that anticipate the needs of startups and tech giants alike recognize how flexible and scalable this building block remains. Many fledgling technologies rely on the reliable introduction of functional aryl groups into rigid frameworks. Having a consistently pure and reactive source of 1,3,5-Tris(4-Bromophenyl)Benzene shortens time-to-market for new generations of specialty polymers and membranes.

    Practical Points in Handling and Safety

    Anyone who’s spent time in a synthesis lab knows the challenges of handling fine powders that pack a punch in small doses. This compound, though stable, acts like most aryl bromides—care is needed to avoid unnecessary exposure and environmental release. Good lab practices—gloves, eye protection, and proper ventilation—risk nothing and keep teams safe through long campaigns of coupling and purification.

    From long hours spent bench-side, I’ve seen the confusion that follows poor labeling or accidental mixture. Trace impurities can poison catalytic reactions or complicate isolation. That’s why trusted suppliers matter. In advanced material syntheses, it doesn’t pay to cut corners on purity or documentation, since unknowns slow progress and can obscure otherwise promising results. Completing a tough synthesis or screening materials for device fabrication, predictable quality beats a bargain every time.

    Disposal, as with many halogenated organics, merits careful planning. Local regulations sometimes shift, and proper containment and waste management safeguard both people and ecosystems. Teams who make a habit of tracking inventory, minimizing waste, and planning synthetic routes with efficiency in mind avoid most headaches down the line.

    Challenges and Opportunities

    The cost of sourcing specialty intermediates often draws skeptics, especially for large-scale or exploratory work. Time and again, material budgets hit a wall as the price of pure multi-brominated aromatics adds up. Institutions and industrial partners have pushed for more efficient synthesis and greener production methods, hoping to widen access and lower environmental impact. Greener halogenation methods and continuous flow processes aim to solve the scalability gap, bringing new hope to researchers and the broader chemical supply chain.

    Materials science asks more of organic intermediates than ever. The future brings a race to boost electronic and optoelectronic function while trimming waste and production steps. For this compound, advances could include more sustainable bromination or simplified routes for recycling post-consumer materials. Collaborations between academic labs and industry open pathways to optimize manufacturing so end-users gain performance without added environmental load.

    Education and collaboration shape the culture of chemical synthesis. Engaged teaching, well-equipped facilities, and the free flow of technical information mark the way forward. As someone who learned the trade amid bottles of intricate compounds, I see progress resting on trust—trust in people, trust in suppliers, and trust in the reproducibility of the molecules at hand.

    Looking Ahead

    The fast-moving world of specialty chemicals reminds anyone involved how innovation and practicality dance together. 1,3,5-Tris(4-Bromophenyl)Benzene shows its value not in hype, but in its ability to unlock new architectures, power the next materials discovery, or serve as a reliable starting point for problem-solving in the lab. Through tides of funding highs and team turnover, dependable compounds like this help carry ideas from notebook sketches to actual products and devices.

    Researchers and professionals who value thoughtfully designed intermediates recognize the depth each molecule brings to the work. In specialty organic chemistry, no two projects are quite alike—raw creativity combines with hands-on know-how to shape every outcome. Reliable, versatile intermediates let teams shift directions without discarding hard-won knowledge, and 1,3,5-Tris(4-Bromophenyl)Benzene stands as one of those quiet enablers.

    New students or seasoned chemists both benefit by taking a closer look at the tools and building blocks they choose. In sharing experience about materials like this, the community keeps growing—improving best practices, sharpening technical judgment, and nudging the field toward solutions that stick.

    Conclusion

    Diving into the history and use of 1,3,5-Tris(4-Bromophenyl)Benzene, one theme stands out: value comes from real-world problem-solving, not abstract properties alone. Its utility flows from a marriage of robust chemical design and practical utility in emerging technology. For those charting the course from molecular theory to tangible technology, this compound has proven itself again and again as an essential player.

    Focusing on strong supplier relationships, solid lab protocols, and sustainable practices ensures that progress continues—for an individual project or for the field at large. By staying open to new methods and learning from both setbacks and breakthroughs, chemists and engineers carry forward a tradition rooted in discovery, driven by need, and shaped by real experience with molecules like 1,3,5-Tris(4-Bromophenyl)Benzene.