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2,2'-Difluorobiphenyl

    • Product Name 2,2'-Difluorobiphenyl
    • Alias DFBP
    • Einecs 224-864-5
    • 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
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    Specifications

    HS Code

    310868

    Product Name 2,2'-Difluorobiphenyl
    Cas Number 1806-42-8
    Molecular Formula C12H8F2
    Molecular Weight 190.19 g/mol
    Appearance White to off-white solid
    Melting Point 66-68 °C
    Boiling Point 265-268 °C
    Density 1.199 g/cm³
    Solubility Insoluble in water
    Purity Typically ≥98%
    Smiles C1=CC=C(C=C1)C2=C(F)C=CC=C2F
    Inchi InChI=1S/C12H8F2/c13-11-7-3-1-5-9(11)10-6-2-4-8-12(10)14/h1-8H
    Refractive Index 1.590 (estimate)
    Storage Conditions Store at room temperature, keep container tightly closed

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

    Packing & Storage
    Packing The 5-gram 2,2'-Difluorobiphenyl is packaged in a sealed amber glass bottle with a tamper-evident cap and safety labeling.
    Shipping 2,2'-Difluorobiphenyl is shipped in tightly sealed containers under ambient conditions. It should be protected from moisture, heat, and direct sunlight. Proper hazard labeling is required according to transport regulations. Typically, it is classified as non-hazardous for transport, but local regulations and MSDS guidelines should be reviewed before shipping.
    Storage 2,2'-Difluorobiphenyl should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. Keep it separate from incompatible materials such as strong oxidizing agents. Store at room temperature and avoid exposure to moisture or extreme temperatures. Follow all relevant safety and regulatory guidelines for chemical storage.
    Application of 2,2'-Difluorobiphenyl

    Applications of 2,2'-Difluorobiphenyl in Industrial Manufacturing

    2,2'-Difluorobiphenyl is a specialized aromatic compound with fluorinated characteristics that enable its use as a raw material in multiple advanced industrial processes. Our factory-grade output supports major chemical manufacturing segments requiring consistent purity, traceability, and reproducibility. Below, we describe key applications with specific technical, regulatory, and process details for end-use producers.

    1. Pharmaceutical Intermediate for Active Pharmaceutical Ingredients (APIs)

    2,2'-Difluorobiphenyl supports the synthesis of targeted small-molecule APIs, especially within anti-inflammatory and oncology drug development. Medicinal chemists rely on its electronic properties to introduce fluorine motifs at biaryl units, which adjust metabolic stability and pharmacokinetics. The compound commonly enters Suzuki coupling or direct arylation reactions under carefully controlled GMP conditions. Documented validation ensures that the final API batch meets pharmacopoeia release and regulatory compliance. Customers using this raw material value full analytical traceability and process documentation for regulatory submissions.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • USP-NF Monograph Compliance (relevant for API intermediates)
    • 21 CFR Part 210/211
    • EDQM CEP procedures for synthesis route registration

    Typical usage ratio

    • API synthesis: 0.05–0.5 molar equivalent, determined by direct coupling requirements and target yield

    Downstream process integration

    • Introduced at biaryl-coupling stage via Suzuki, Negishi, or Stille reactions under inert atmosphere
    • Strict cleaning validation before and after reactor charging

    Final product types

    • Anti-tumor small-molecule APIs
    • Targeted kinase inhibitors
    • Anti-inflammatory drugs
    • Specialty contrast agents

    2. Intermediate for Liquid Crystal Monomer Synthesis

    Electronics manufacturers deploy 2,2'-Difluorobiphenyl as a pivotal building block in the design of advanced liquid crystal materials, especially for display panels and specialty optical devices. The compound’s structural rigidity and precise substitution pattern help tune the birefringence and dielectric anisotropy needed in high-performance displays. Tech teams employ it in Friedel–Crafts acylation, hydrogenation, or etherification steps to deliver consistent monomer quality for polymerizable mesogens. Process purity and control are essential to achieving uniform phase behavior in end-use films.

    Industry compliance standards

    • IEC 61249-2-21 (Halogen-free requirements)
    • RoHS Directive 2011/65/EU
    • REACH Registration (EC 1907/2006)
    • Environmental, health, and fire safety data per GHS/CLP

    Typical usage ratio

    • Monomer synthesis: 10–35% of total aryl backbone by molar ratio; precise percentage set by the required birefringence parameter

    Downstream process integration

    • Charged during aryl backbone formation for mesogen units
    • Reacts under controlled temperature with Friedel–Crafts or Grignard intermediates

    Final product types

    • Polymerizable liquid crystal monomers
    • LCD and OLED display films
    • Optical retardation films
    • Thermotropic liquid crystalline polymers

    3. Building Block for Agricultural Active Compounds

    Agricultural chemistry companies utilize 2,2'-Difluorobiphenyl as a modular element in the synthesis of fluorinated crop protection agents, particularly selective herbicides and fungicides. The difluorinated biaryl core is instrumental in achieving the desired environmental persistence and target organism selectivity, meeting the regulatory restrictions for residue safety and efficacy. Technical teams follow ISO-compliant process steps and document usage conditions extensively for traceability and product stewardship. Production requires monitoring of by-products and unreacted intermediates to comply with national registration and ISO audit checkpoints.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • OECD Guidelines for the Testing of Chemicals
    • ISO 9001:2015 for agricultural chemicals manufacturing
    • Regulation (EC) No 1107/2009 (Plant protection regulation in EU)

    Typical usage ratio

    • Formulation intermediate: 8–21% by mole in the fluorinated aryl portion of agrochemical active ingredient; adjusted per bioactivity screen

    Downstream process integration

    • Charged at halogenation or coupling stages in herbicide/fungicide production line
    • Applied under inert or dry conditions to minimize hydrolysis

    Final product types

    • Selective crop herbicides
    • Systemic plant fungicides
    • Seed treatment agents
    • Pre-emergent field sprays

    4. Precursor for Specialty Engineering Polymers

    Industrial polymer manufacturers select 2,2'-Difluorobiphenyl as a difunctional aromatic precursor for high-performance engineering plastics, such as poly(arylene ether)s and copolyimides. Its unique difluoro substitution allows precise control of thermal and flame retardant properties while preserving mechanical strength. The compound enters the production stream at the step-growth polymerization phase, integrating into main-chain architectures designed for harsh chemical or high-temperature applications. Strict quality control and batch-to-batch tracking underpin customer qualification procedures.

    Industry compliance standards

    • ISO 9001:2015 (Quality management systems for polymer production)
    • UL 94 (Flammability test standard for plastics)
    • ASTM D5207 (Testing of engineering resins)
    • RoHS & REACH regulatory conformity for plastics in electrical/electronic applications

    Typical usage ratio

    • Polymerization: 15–40 mol% of total arylene component, depending on flame retardancy and glass transition target

    Downstream process integration

    • Direct-fed at monomer stage in melt or solution polymerization reactors
    • Used under nitrogen or argon to control side-reactions

    Final product types

    • Flame-retardant electrical housings
    • Heat-resistant wire insulation
    • Specialty connectors for automotive and aerospace devices
    • Membranes for chemical processing
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    Certification & Compliance
    More Introduction

    2,2'-Difluorobiphenyl: Fine-tuned for Precision in Organic Synthesis

    Direct from Our Production Line

    At our facility, we create 2,2'-Difluorobiphenyl from the rawest stages, using a process structure refined through cycles of real plant operation, not just bench experiments or outsourced routines. Our chemists walk the lines and check the vessels. They stay with their batches past dawn because experience tells us, especially with halogenated aromatics, every detail matters. Every kilogram reflects our direct oversight—no relabeling, no secondhand assurance. Our operators measure purity on-site, keeping our GC results tight between 99.5% and 99.9% for our typical high-purity batch.

    Why 2,2'-Difluorobiphenyl Matters in Advanced Chemistry

    The two fluorines placed on adjacent phenyl rings give this compound characteristics that chemists can’t achieve with regular biphenyl or even mono-fluorinated versions. The bond angle changes. The electron-withdrawing effects become more pronounced, and cleanup after a Suzuki coupling or Buchwald-Hartwig amination feels practical, not theoretical. With these attributes, our material lands in hands-on research benches for developing pharmaceuticals, OLED intermediates, advanced polymers, and ligands. There’s a reason major multinational companies and academic teams ask for our direct manufacturing certificate rather than reseller paperwork—they trust the process controls behind our product.

    Manufacturing Nuance: What Makes Our 2,2'-Difluorobiphenyl Stand Out

    We use an established synthetic route based on Sandmeyer or direct fluorination, but our operational settings have evolved with plant feedback. Sometimes, the difference in outcome comes down to temperature ramps—too fast, and you lose selectivity; too slow wastes energy and time. We have adjusted the time-at-temperature profile based on runaway reaction watchlists recorded on our own logbooks. Where some suppliers risk incomplete conversion or variable isomer ratios, we monitor every phase to minimize 3,3'-difluoro and other byproducts. In analytics, we resist quick-draw batch release. NMR and GC-MS from every lot get a signoff from a chemist who understands exactly what customers will do with this material, not just someone ticking QC boxes.

    Handling and Consistency: What We See on Our Floor

    Our 2,2'-Difluorobiphenyl doesn’t clump. Even after months on the shelf, you’ll see fine, free-flowing crystals, not gooey matter or yellowed blocks. This comes down to practical facility hygiene and controlled humidity—attention we pay every week, not just for audits. We use lined drums and vacuum-sealed inner bags, and our warehouse logs show spoilage rates less than 0.1%. Such details may seem minor, but they guarantee the chemist down the road can weigh their solid in an open hood without frustration and with full confidence that melting points stay within the published range year round.

    Comparisons: More Reliable than Monofluorinated or Unsubstituted Biphenyl

    Single-fluorine biphenyls might come cheaper or with higher availability but lose the unique combination of reactivity and stability. We see it with our pharma and material clients: a single fluorine grants some benefits in polarity and reactivity, yet doesn’t deliver the same steric hindrance or solubility properties that the double ortho-fluorination offers. When developing fluorinated building blocks for late-stage functionalization, product developers find less unpredictability using our di-fluorinated material. Since we oversee purification and handle every kilogram in-house, we provide a package that outlasts the uncertainties of streams coming from multipurpose traders and re-baggers. For processes where side isomers or minute batch variability will slow down R&D, our direct control means lower troubleshooting time and fewer abandoned reaction runs.

    Application Insights: What Our Customers and Teams Share

    Our relationships with downstream users began years ago with that first gram that had to pass NMR scrutiny for a new OLED prototype. Now, multi-kilo campaigns for intricate APIs in pilot plants, where synthetic challenges magnify, rely on us for reproducibility. Some of our oldest pharmaceutical partners speak to how the ortho-fluoro groups affect palladium or nickel catalysis steps, tightening selectivity and mitigating side reactions that cost time and money. Our technical team swaps notes with theirs, taking real data from process development, suggesting where temperature tweaks—learned in our own vessels—might head off bottlenecks. Each batch gets tested for end-use application, so if some aspect seems off, we’re the ones re-running the batch, not some faceless third party.

    Safety and Environmental Perspective—From Our Actual Shop Floor

    Our operators work with local regulators on effluent management since the byproducts from biphenyl halogenation can bring headlines when handled poorly. Our site monitors for atmospheric loss and maintains an on-site scrubber system for hydrogen fluoride traces that come with reactions like this. We have maintained an above-industry-average safety record over the last three years—no lost time incidents from direct exposure to 2,2'-Difluorobiphenyl or related intermediates. Training and PPE availability remain non-negotiable, and we handle any off-spec material like hazardous waste, not a simple disposal issue.

    No Guesswork—Direct Manufacturing Accountability

    We don’t lose sleep waiting for tracing paperwork or crossing our fingers over resellers’ promises. Every label on our product matches a batch log signed on our own premises. Our variance records and shelf-life studies all come from our site over the past decade, not borrowed literature. In our experience, traceability assures both us and the end-user that if a question emerges—about a small impurity spike, a color drift, or a slight tweak in melting point—we can pinpoint source conditions within hours.

    Meeting Specific Project Needs—With Insight, Not Just Inventory

    Bringing a new molecule from concept to pilot or production scale rarely follows a textbook plan. Our technical team often fields calls late at night, hashing out why a solid isn’t dissolving as expected, or why a new fluorinated intermediate throws off TLC patterns. We draw on what worked—and honestly, what failed—on our line last month, not what some supplier’s theoretical guide suggests. Many of our longtime clients come back when a new project needs the nuanced performance that only 2,2'-Difluorobiphenyl delivers for challenging cross-couplings and next-generation materials. They appreciate direct answers delivered with real-world context.

    Beyond Catalog Chemistry: Practicality in Batch and Scale

    Catalog sources can deliver five or ten grams for method scouting, but full-batch synthesis and scale-up demand more assurance. Our process engineers optimized not just synthesis, but isolation and drying—under real industrial timelines. The powder coming off our final drying stage doesn’t just sit in the expected purity window—it resists caking in the drum, moves efficiently through pneumatic lines, and stays free from trace solvent residues due to stepwise vacuum cycles set up after troubleshooting stuck loads years ago. This attention translates directly to customer-side operations where a clogged feed line or unknown impurity can cost weeks.

    Advantages in Material Science and Medicinal Chemistry

    Solid-state interactions change when you substitute both ortho positions with fluorine. We’ve seen this play out when our partnerships extend to advanced polymer or crystal engineering teams. Their work on packing, solubility, and crystalline orientation gets a substantial head start by removing batch inconsistency. Our product allowed one partner to streamline their symmetry-driven syntheses and nail down structures that simply collapsed with monofluorinated or plain biphenyls. That edge often spells the difference between a patentable process and a lab curiosity.

    Focus on End-User Performance—Insights from Regular Scale Customers

    Most feedback from our largest users zeroes in on how lot-to-lot purity and isomer content can break continuity—nobody likes running a new batch only to track down mystery impurities halfway through an expensive step. Our approach to segregation and packaging traces back through our logs, allowing immediate answers without corporate runaround. We pack in lined drums fitted for both lab-scale and 250-kg industrial scale pulls, and every drum out of our site holds a signed-off purity report matched to our internal reference samples.

    Risk Reduction—What Real Batch Control Offers

    In fluorinated aromatic chemistry, even a small error in synthesis throws off downstream reactivity. Subtle solvent inclusions from a poorly dried product, unnoticed by quick-turnaround distributors, can wreck an entire yield. Several of our clients have recounted batches failed by unknown solvent traces picked up elsewhere. Our team checks residual solvents every shift, adjusting vacuum strength and cycle time so our product leaves the plant dry and reliable. Direct feedback loops between customer complaints and plant operation have kept our off-spec rates below even the strictest pharma standards.

    Regulatory Confidence—Not Just Lip Service

    Large-scale commercial users ask for specific health and environmental information. Ours comes with real process transparency: each drum’s documentation pack ties to an actual employee, not a digital stamp. For partners navigating REACH, TSCA, or strict local site audits, we can walk through every process input, residual, and plant update. The systems we use for employee health monitoring and environmental protection evolved from site incident reviews, not just external compliance drivers.

    Choosing the Right Fluorinated Biphenyl—A Manufacturer’s Perspective

    Every year, suppliers appear and vanish in this niche market. We have learned that manufacturing direct allows credible expertise and reliable support for scale-up problems, procurement disruptions, and custom purity requirements. We hear from new projects that raw material delays or unexpected impurity profiles kill momentum. Our flexible line shifts and on-schedule production sidestep these problems, and our operations team is always alert for signals of shifting customer demand so we don’t get caught short.

    For Specialists Only—Why Our Product Demands a Specialist Manufacturer

    Ortho-difluorinated biphenyls aren’t a commodity for generalist manufacturers or brokers. We see too many new entrants skipping process refinement or skipping critical quality verifications because their experience lies elsewhere. Our process safety experts and organic chemists design and oversee each step because something as fundamental as phase transfer or trace metal testing can make or break the product’s use in a high-purity application. We invite customers to audit us, walk our lines, and scrutinize our logs—not just to build trust, but because rigorous oversight has cut our failure rates year-on-year.

    Long-Term Perspective—Investing in Sustainable and Reliable Output

    Scaling volumes doesn’t mean losing sight of sustainability. We aim for circularity—our team recycles solvents and handles fluorine-containing waste at a specialized on-site facility. We share our solvent recovery statistics and energy reduction data with partners interested in greener supply chains. Over the last five years, process improvements trimmed input chemicals and dropped our energy use per batch by double digits. This didn’t just reduce overhead; it gave our team proof that local manufacturing—when done right—can outpace shipment delays, environmental risks, or off-spec imports from low-cost hubs.

    Engaged Support—Turning Real Problems into Practical Solutions

    We thrive on collaboration. Our technical support lines get calls about reaction hiccups, non-typical solubility, and purification headaches. Because we handle the chemistry and logistics firsthand, we cut to the heart of these issues, referencing similar troubleshooting cases from our own shop floor. Many times, customers call back months later—sometimes with a new project, sometimes just for direct advice—and we step in to demonstrate how making, handling, and storing 2,2'-Difluorobiphenyl directly gives insights that resellers or traders simply cannot match.

    Your Project, Our Experience—Direct Partnership, Immediate Results

    If your application requires a stable, high-purity stream of 2,2'-Difluorobiphenyl made with accountability and process know-how, it pays to source directly from those making the material, not just moving it through the supply chain. We answer every technical or logistical question with reference to our own production data, giving your team the confidence that comes only from true manufacturer support.

    Summary: Why Source 2,2'-Difluorobiphenyl From Us

    Every gram reflects the experience built into our systems: batch-level traceability, proven environmental controls, time-tested process discipline, and a technical support desk staffed by the very team who turned raw material into your finished product. Sourcing direct gives your project reliability over years, not months, and a partner tuned to the real-world problems that come with developing next-generation pharmaceuticals, electronic materials, and specialty polymers.