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3-Bromobiphenyl

    • Product Name 3-Bromobiphenyl
    • Alias 3-Phenylbromobenzene
    • Einecs 212-348-5
    • 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

    690555

    Chemicalname 3-Bromobiphenyl
    Molecularformula C12H9Br
    Molarmass 233.11 g/mol
    Casnumber 2113-57-7
    Appearance Off-white to light tan crystalline powder
    Meltingpoint 51-54 °C
    Boilingpoint 315 °C
    Density 1.41 g/cm3
    Solubilityinwater Insoluble
    Pubchemcid 81755
    Smiles Brc1cccc(c2ccccc2)c1
    Refractiveindex 1.650
    Flashpoint 164.7 °C
    Logp 4.7

    As an accredited 3-Bromobiphenyl factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 3-Bromobiphenyl, 25g, supplied in a clear, tightly-sealed amber glass bottle with hazard labeling and tamper-evident cap.
    Shipping 3-Bromobiphenyl is shipped in tightly sealed containers, protected from light and moisture. It is classified as a hazardous chemical and must comply with local and international regulations for transport. Appropriate hazard labeling, documentation, and safety data sheets (SDS) accompany each shipment to ensure safe handling during transit.
    Storage 3-Bromobiphenyl should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from sources of ignition, heat, and direct sunlight. Keep it separate from strong oxidizing agents and incompatible materials. Store at room temperature and label the container clearly. Use secondary containment to prevent spills and exposure. Handle with proper personal protective equipment.
    Application of 3-Bromobiphenyl

    Applications of 3-Bromobiphenyl in Industrial Manufacturing

    3-Bromobiphenyl serves as a strategic intermediate within specialized segments of the chemical supply chain. It supports high-value synthesis for industries requiring precision building blocks, particularly in custom organic synthesis, specialty polymers, pharmaceutical research, and advanced electronic materials. We ensure tight process controls to meet each sector’s compliance, traceability, and performance needs.

    1. Pharmaceutical Intermediates for Oncology API Synthesis

    Many pharmaceutical manufacturers utilize this compound as a halogenated aromatic intermediate during the preparation of active pharmaceutical ingredients, especially in small-molecule anti-cancer drug R&D. Chemists select it for Suzuki-Miyaura and Buchwald-Hartwig coupling routes when building key biphenyl fragments in tyrosine kinase inhibitors and related target molecules. Strict batch traceability, low metal residue, and high-purity are essential for regulatory filing and clinical trial deliveries.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for APIs
    • USP General Chapters for Organic Impurities
    • EU EudraLex Volume 4 Part II (GMP for APIs)
    • FDA DMF and Drug Substance Filing Requirements

    Typical usage ratio

    • 5–30 mol% versus the target API scaffold, ratio modified based on coupling efficiency and target yield

    Downstream process integration

    • Acts as a starting aryl halide in Pd-catalyzed cross-coupling steps preceding heterocycle installation, used in dedicated GMP synthesis suites

    Final product types

    • Aromatically rich pharmaceutical intermediates
    • Small-molecule oncology APIs (e.g., kinase inhibitors, immunomodulators)
    • Reference standards for regulatory submission
    • Advanced screening libraries for clinical research

    2. Synthesis of High-Performance Liquid Crystal Materials

    Specialized electronics and display manufacturers incorporate this brominated biphenyl as a coupling partner when constructing mesogenic cores for liquid crystal mixtures. Biphenyl-based fragments help achieve specific nematic phase ranges and stability in high-end LCDs, OLED displays, and precision optical devices. Product traceability and ultra-low ionic content underpin compliance for cleanroom processing.

    Industry compliance standards

    • IEC 60384-14 for electronic component materials
    • RoHS Directive 2011/65/EU (for restricted substances)
    • ISO 9001:2015 Quality Management Systems
    • Customer-specific purity specifications (LC content: >99.5%)

    Typical usage ratio

    • 10–25 wt% in mesogen core synthesis, adjusted for specific phase transition windows and molecular weights

    Downstream process integration

    • Introduced during aryl–aryl coupling under anhydrous conditions, subsequently purified for integration into proprietary liquid crystal formulations

    Final product types

    • Nematic and smectic liquid crystal mixtures for TFT-LCD and OLED panels
    • Biphenyl-based mesogens for specialty optical films
    • Tunable refractive index components for adaptive lenses
    • Alignment layers for precision display applications

    3. Organic Semiconductor Manufacturing for OFET and OPV Devices

    Producers of organic electronic components rely on this raw material as a foundation block for constructing π-conjugated materials in organic field-effect transistors (OFETs) and organic photovoltaic (OPV) cells. The phenyl-bromide functionality supports selective C-C coupling to form extended conjugation, optimizing charge mobility. Rigorous process monitoring and documentation support compliance for in-device testing and scaling to pilot production.

    Industry compliance standards

    • IEC 62430:2019 for Environmentally Conscious Design
    • EU REACH Regulation (EC) No 1907/2006 (substance communication)
    • QA protocols for electronic-grade organic compounds
    • JIG-101 for Material Declaration in electronics

    Typical usage ratio

    • 8–20 mol% as a feedstock in monomer polymerization or oligomer functionalization, ratio determined by device performance requirements

    Downstream process integration

    • Feeds into Suzuki or Stille coupling to elongate conjugated systems, isolated and purified before thin-film deposition or ink formulation

    Final product types

    • Organic field-effect transistor active layers
    • Organic solar cell donor/acceptor components
    • Conductive and semiconductive organic polymers
    • Small-molecule organic semiconductors for research and pilot lines

    4. Preparation of Performance Polymers and Specialty Resins

    For the engineering plastics industry, chemists utilize this compound as a functionalized aromatic building block for the stepwise synthesis of performance polymers. It participates in polycondensation and cross-coupling reactions to create high glass-transition materials required in automotive, aerospace, and advanced composites. Emphasis lies on consistent purity profiles and lot-to-lot repeatability as demanded by final converters and OEMs.

    Industry compliance standards

    • ISO 9001:2015 and ISO 14001:2015 for Quality and Environmental Management
    • UL 94 for Polymer Flammability Rating (downstream products)
    • Global automotive OEM restricted substance lists
    • ASTM D638 for Mechanical Testing of Plastics (finished goods)

    Typical usage ratio

    • 3–15 mol% relative to co-monomers during polymer backbone assembly, calibrated to control mechanical and thermal profiles

    Downstream process integration

    • Joined in controlled co-polymerization to insert rigid biphenyl moieties, followed by extrusion or casting into intermediate resins

    Final product types

    • High-glass-transition polymers for structural components
    • Specialty resins for electronics encasement
    • High-performance composite prepregs
    • Resistant coatings in electrical and mechanical assemblies
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    Certification & Compliance
    More Introduction

    Introducing 3-Bromobiphenyl: Precision and Reliability from a Dedicated Producer

    Understanding 3-Bromobiphenyl: Structure and Characteristics

    3-Bromobiphenyl, known by its chemical formula C12H9Br and CAS number 2052-07-5, stands out as a valuable intermediate in organic synthesis, particularly in the areas of pharmaceutical research, advanced materials, and agrochemical development. Producing this molecule at scale demands close attention to detail and a deep understanding of the chemistry involved. We apply years of dedicated research and hands-on production experience to manufacture this specialty compound, keeping tight control over every step from raw material selection to finished product.

    How Our Production Experience Brings Purity and Consistency

    Manufacturing aromatic bromides—especially biphenyl derivatives—requires precision at every turn. The introduction of a bromine atom onto the biphenyl structure opens up new reactivity while maintaining the stability crucial for further transformations. By investing in both specialized bromination reactors and high-purity filtering technologies, our facility achieves batch-to-batch reproducibility. This consistency isn’t just promised on a spec sheet—it comes from years spent fine-tuning reaction conditions, temperature profiles, and work-up protocols, and it is demonstrated in outcomes that our downstream partners see in their own processes.

    For 3-Bromobiphenyl, purity speaks louder than brochures. Trace impurities such as ortho- or para-isomers or incomplete bromination by-products disrupt the targeted syntheses of more complex molecules. We tackle these challenges through careful chromatographic techniques and regular in-process monitoring using GC and NMR. Our batches routinely reach purity levels suitable for demanding applications, sparing our customers the uncertainty that comes with uncontrolled contamination.

    Applications Shaped by Precision Manufacturing

    Throughout the years, clients from pharmaceuticals, electronics, and specialty chemical sectors have shared what sets 3-Bromobiphenyl apart: controlled reactivity, minimal contamination, and a reliable supply chain. In medicinal chemistry, the compound serves as a precursor to a spectrum of bioactive molecules, often without room for reaction errors. In synthesizing OLED materials or liquid crystals, the clean and well-understood profile of our product translates into predictable and repeatable properties in the finished devices.

    End users often approach us after running into issues with lower-grade material: loss of yield, inconsistency in downstream coupling reactions, or unexplained by-products in analytical screens. We've found that an environment where analytical purity, moisture control, and trace metal content matter puts our product into its own category. Over time, the conversations shift from one-off troubleshooting to longer-term collaboration, building trust in our process and our willingness to respond flexibly to changing research needs.

    Navigating the Nuances: What Sets 3-Bromobiphenyl Apart from Other Biphenyl Variants

    Biphenyl chemistry presents a menu of options, and the position of halogenation impacts reactivity. Researchers often compare 3-Bromobiphenyl to 2-bromo and 4-bromo analogs, trying to decide which fits a particular project. In our experience, the meta-bromine (3-position) offers unique advantages in Suzuki and other cross-coupling methodologies. Steric hindrance and electronic effects differ markedly from other positions, allowing synthetic chemists to unlock sites on molecules that might otherwise resist modification. Our close work with advanced material teams showed that 3-Bromobiphenyl enables fine-tuning of molecular architecture, impacting parameters such as solubility and crystallinity in functional materials.

    On the factory floor, we confront the temptation to lump “bromobiphenyl” products together. Yet even subtle shifts in bromination position change solubility, melting point, and suitability for different transformations. Multi-year partnerships with research clients have taught us how expensive and wasteful mislabeling or cross-contamination can become. Our operation separates production lines for different biphenyl isomers, right down to QC checks. This way, what comes in a shipment is exactly what the molecular label says—no ambiguity, just purpose-built material for its intended chemistry.

    Practical Realities: Handling, Packaging, and End-User Success

    Scaling up from bench to bulk introduces new challenges. In small research quantities, a few milligrams might meet immediate needs, but industrial users often require kilograms delivered under inert atmosphere, with moisture levels below strict limits. Our operation has adapted over time, moving from simple bottle-packed shipments to specialized packaging—heavy-gauge aluminum bags, nitrogen flushing, and high-barrier containers. These methods ensure that nothing changes between the point of manufacture and the final step in a customer’s laboratory or plant workflow.

    Safe, compliant transport isn’t an afterthought—it depends on deep technical knowledge as well as regulatory fluency. Accurate hazard labeling, robust MSDS documentation, and full traceability accompany every shipment. By fostering trust with logistics partners and regularly updating our packaging formats, we've created a seamless experience that allows our partners to focus on innovation rather than troubleshooting inconsistencies.

    Industry Demands and Market Evolution: Lessons from the Front Line

    The story of 3-Bromobiphenyl production runs parallel to shifts in customer expectations and broader industry changes. What research teams considered “high quality” five years ago no longer meets current requirements—analyzers have become more sensitive, processes rely on even tighter impurity control, and stock management calls for dependable replenishment. In the early days, we fielded requests for technical grade material and spot orders. Those conversations increasingly revolve around long-term supply agreements, tailored batch sizes, and advanced lot tracking.

    No amount of technology replaces knowledge gained through real mishaps and successes. At one time, a minor adjustment to our bromination methodology triggered a cascade of changes downstream—lower melting points, reduced stability, and complaints from a pharmaceutical customer whose reactions began yielding mysterious side products. Hard lessons like these push us to document every process variable, train our staff rigorously, and invest in repeatable QC infrastructure.

    The change isn’t just internal. Supply chain resilience has become a headline issue. Global disruptions call for adaptability, both in sourcing bromine feedstock and in managing logistics networks. Our customers expect reliability, and we meet this expectation through dual sourcing of critical reagents, local warehousing in major markets, and transparent communication about lead times and contingency plans. This ongoing commitment has earned us a reputation among process chemists and procurement teams alike: we don’t vanish when things get tough.

    Collaborative Development: Supporting Innovation Beyond Commodity Supply

    Some of the most rewarding moments involve working directly with scientists and engineers as they push the boundaries of what’s possible using 3-Bromobiphenyl. Whether adapting a batch to meet strict trace element specifications or providing rapid turnaround for a pilot project, our team treats each custom inquiry as both a challenge and a learning opportunity. Researchers bring us application details that sometimes spark new ideas for process improvements on our end.

    For example, a high-throughput screening lab once struggled with solid-state impurities affecting a catalyst system. Through open dialogue and iterative adjustments, we tightened filtration and adapted our purification protocol. The end result: a batch profile that matched their instrument signature and unlocked new areas for discovery. This kind of hands-on support, rooted in practical experience rather than buzzwords, demonstrates the real-world value behind our product promise.

    Quality Control: More Than Numbers on a Certificate

    To maintain our standards, quality testing for 3-Bromobiphenyl never stops at the laboratory. Physical inspections, process reviews, and feedback loops from clients all form part of our continuous improvement model. Routine analysis by HPLC, GC-MS, NMR, and elemental analysis helps us catch subtle drift before product leaves our facility. We know that end users judge performance over the long haul. A seemingly minor contaminant—only 0.1% on a readout—can create headaches in late-stage synthesis or device performance. Rather than brushing off isolated complaints, our technical team responds with follow-up investigations, in some cases reworking batches to salvage valuable customer projects.

    Digital record-keeping plays an increasing role. Each batch receives a unique lot number linked to raw material sources, in-process conditions, and final certificate of analysis readings. This transparency helps clients trace any irregularities quickly and gives our own workforce a sense of ownership over quality outcomes.

    Supporting Sustainable and Responsible Manufacturing

    Producing halogenated aromatics responsibly remains a complex undertaking. We believe the long-term health of both our business and our community depends on strict adherence to environmental and safety standards. Modern bromination chemistry generates chemical wastes that must be treated and disposed of according to both local and international regulations. Avoiding shortcuts, we’ve installed closed-loop scrubbers, invest in solvent recovery, and maintain detailed compliance logs. Operating a safe facility requires buy-in from every employee, from reactor operators to warehouse staff, and we back that up with ongoing training and real accountability.

    Sustainability doesn't end with compliance. We're involved in pilot studies with supply partners to lower the carbon footprint of raw material production and to recycle by-product streams where feasible. By discussing innovations with both upstream providers and clients, practical solutions emerge—sometimes as small tweaks, sometimes as bigger shifts. Customers in Europe and North America in particular have started expecting documentation of environmental practices alongside technical details, and we share those figures willingly as part of our professional relationship.

    Moving Forward: The Roadmap for Continued Excellence

    Staying ahead in specialty chemical manufacturing means ongoing investment. We commit resources not just to hardware upgrades or newer analytical instruments, but also to workforce development and long-range planning. Bringing in fresh talent—chemists who know both the theory and the practical realities of batch production—injects new energy into the plant and keeps problem-solving sharp. Regular review of process safety, raw material alternatives, and regulatory developments remains integral to our approach.

    Collaboration with universities, consortia, and customer technical teams keeps us alert to emerging trends. For 3-Bromobiphenyl, this has meant releasing technical notes on detection of specific low-level contaminants, testing compatibility with newer green solvents, and developing smaller package formats for high-throughput screening users. Each of these moves springs from real-world conversations, not wish lists made in far-off boardrooms.

    The shift in business expectations hasn’t slowed our commitment to craftsmanship. Precision chemical manufacturing always benefits from patience, honest feedback, and a willingness to own missteps and corrections. As new applications arise—polymers for electronics, active pharmaceutical intermediates, sensor components—we remain focused on getting the details right from batch to batch. Our clients measure this not in marketing materials, but in their day-to-day research productivity and downstream process yield. Meeting them at this practical level remains the strongest proof that our methods work.

    Expertise Built on Action, Not Assumptions

    We don’t just sell 3-Bromobiphenyl. Our business grows through solving problems, meeting evolving regulatory demands, and supporting successes in the field. The challenges that come with this responsibility—product consistency, supply chain turbulence, ever-higher purity demands, and stricter environmental standards—fuel both our improvement and our pride in the work.

    By applying first-hand experience, from day-to-day plant operations to high-stakes supply negotiations, we offer more than a commodity product. Researchers, process engineers, and procurement professionals count on us not only for prompt, reliable delivery, but for an understanding of the fine print that determines project success. Each kilo reflects countless hours of preparation, oversight, and adaptation. This commitment, rooted in practical factory know-how and ongoing customer feedback, defines the difference in using 3-Bromobiphenyl produced by a manufacturer who knows each step—not just the end result.