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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 | 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. |
Applications of 2,2'-Difluorobiphenyl in Industrial Manufacturing2,2'-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
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2. Intermediate for Liquid Crystal Monomer SynthesisElectronics 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
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3. Building Block for Agricultural Active CompoundsAgricultural 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
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4. Precursor for Specialty Engineering PolymersIndustrial 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
Typical usage ratio
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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.