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2,6-Difluoropyridine-3-Boronic Acid

    • Product Name 2,6-Difluoropyridine-3-Boronic Acid
    • Alias 2,6-Difluoro-3-pyridineboronic acid
    • Einecs 826-841-8
    • 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

    642067

    Productname 2,6-Difluoropyridine-3-Boronic Acid
    Casnumber 328256-74-4
    Molecularformula C5H4BF2NO2
    Molecularweight 158.90
    Appearance White to off-white solid
    Purity Typically >95%
    Solubility Soluble in DMSO, methanol
    Smiles B(C1=CN=C(C(=C1)F)F)(O)O
    Inchi InChI=1S/C5H4BF2NO2/c7-4-2-9-3-1-5(4,8)6(10)11/h1-3,10-11H
    Synonyms 2,6-Difluoro-3-pyridineboronic acid
    Storagetemperature 2-8°C

    As an accredited 2,6-Difluoropyridine-3-Boronic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 5g of 2,6-Difluoropyridine-3-Boronic Acid is sealed in an amber glass bottle with a secure screw cap.
    Shipping 2,6-Difluoropyridine-3-Boronic Acid is shipped in tightly sealed containers, protected from moisture and air. Packaging adheres to chemical safety regulations and includes clear hazard labeling. The product is transported under ambient conditions, with documentation provided for safe handling and compliance with local, national, and international shipping regulations for laboratory chemicals.
    Storage 2,6-Difluoropyridine-3-boronic acid should be stored in a cool, dry, and well-ventilated area, away from moisture and incompatible substances such as strong oxidizers. Keep the container tightly closed under inert gas, such as nitrogen or argon, to prevent hydrolysis and degradation. Properly label the container and store it in a designated area for boronic acids, following relevant safety guidelines.
    Application of 2,6-Difluoropyridine-3-Boronic Acid

    Applications of 2,6-Difluoropyridine-3-Boronic Acid in Industrial Manufacturing

    2,6-Difluoropyridine-3-Boronic Acid plays a vital role as a key intermediate in the synthesis of complex organic compounds across various chemical manufacturing segments. Its reactivity profile and consistent quality support advanced production processes in pharmaceutical, agrochemical, and specialty material sectors. Below, we detail specific, real-world application tracks based on customer process integration and compliance requirements.

    1. Pharmaceutical API Synthesis: Antiviral Drug Intermediates

    Pharmaceutical manufacturers use this boronic acid in Suzuki-Miyaura cross-coupling reactions for building pyridine-based motifs present in several antiviral small molecules. Supply stability and impurity control at each batch release are critical, especially when handling active pharmaceutical ingredient (API) intermediates destined for regulated markets. The compound’s fluorinated structure ensures metabolic stability and selectivity in finished drugs targeting viral replication pathways. End users typically scale up from 1 kg to several hundred kg per campaign, adjusting reagent loads for each route optimization phase.

    Industry compliance standards

    • ICH Q7 GMP Guideline for Active Pharmaceutical Ingredients
    • US FDA 21 CFR Parts 210/211 (cGMP)
    • European Pharmacopoeia monographs for synthetic intermediates
    • Certificate of Analysis to USP/EP/JP impurity profiles

    Typical usage ratio

    • 0.95–1.20 molar equivalents relative to core halogenated pyridine reactants
    • Batch size varies 5–20% depending on step yield and scale-up phase
    • Process R&D may adjust ratio for regioselectivity and minimized byproduct formation

    Downstream process integration

    • Input to palladium-catalyzed Suzuki coupling (second or third step of multi-stage synthesis)
    • Direct charging to inert reactors with pre-dissolved boronate ester
    • Inline QC to ensure limit of boron-containing impurities before API crystallization

    Final product types

    • Antiviral drug APIs based on fluoro-pyridine scaffolds (e.g., NNRTIs for HIV, oral antivirals for hepatitis)
    • Phase II/III clinical trial materials
    • Commercial scale pharmaceutical intermediates
    • Reference standards for regulated batch production

    2. Agrochemical Intermediate Production: Selective Herbicide Synthesis

    Leading agrochemical groups incorporate this material into the construction of difluorinated pyridine rings, which form the backbone of several selective herbicide compounds. Accurate charge control and robust process validation during boronate coupling determine final product purity and regulatory acceptance for field application. Downstream users emphasize the need for traceability and reproducible particle size distribution to ensure consistent downstream formulation and sprayability. Production typically integrates continuous flow or batch-wise feeding, prioritized for scale and worker safety in large-volume campaigns.

    Industry compliance standards

    • FAO/WHO Pesticide Specifications
    • ISO 9001:2015 Certified Quality Management Systems
    • REACH Regulation (EC) No 1907/2006 registration for manufacturing/import above 1 t/y
    • OECD guidelines for chemical industrial safety

    Typical usage ratio

    • 1.0–1.05 molar ratios for cross-coupling to minimize unreacted boronic acid residues
    • 10–50 kg per 100 kg technical grade herbicide intermediate batch
    • Adjusted by process chemists based on scale and solvent system

    Downstream process integration

    • Added at the key cyclization or coupling stage (mid-synthesis)
    • Automated metering into jacketed blending tanks with controlled temperature ramp
    • Used in closed system handling to minimize dust and inhalation risk

    Final product types

    • Selective difluoropyridine-based herbicides for post-emergence application
    • Herbicide technical concentrates for further downstream formulation (EC, SC, WG)
    • Intermediate inputs for patented crop protection molecules
    • Reference samples for crop test plots and regulatory filings

    3. Organic Electronics Material Manufacturing: Liquid Crystal Intermediates

    Manufacturers of high-end display materials utilize this compound in the synthesis of fluorinated pyridine derivatives known to influence dielectric anisotropy and thermal stability in advanced liquid crystal formulations. Precise handling and raw material traceability are fundamental to meet optical purity and batch homogeneity requirements. Production runs adhere to stringent in-house standards, usually implemented under ISO/IEC laboratory management systems, and require specialized glassware and non-metallic contact surfaces during charge and reaction for material purity.

    Industry compliance standards

    • ISO 9001:2015 for Quality Management
    • IEC 61340-5-1 Static Control Program for Electronics Assembly
    • RoHS Directive 2011/65/EU compliance for hazardous substances
    • In-company qualified performance testing based on end-use panel standards

    Typical usage ratio

    • 0.98–1.02 equivalents in cross-coupling to maximize purity
    • 2–10 g per 100 g for high-performance prototype batches
    • Proportional scale adjustments for pilot or full commercial runs

    Downstream process integration

    • Charge to controlled inert atmosphere reactors for boronic acid coupling
    • Inline monitoring using NMR/GC to confirm residual fluorinated impurity levels
    • Post-reaction isolation and purification under moisture-controlled environment

    Final product types

    • Pyridine-based liquid crystal monomers for flat-panel display applications
    • Functional intermediates for OLED and other organic semiconductor devices
    • Specialty additives for display contrast optimization
    • Structure-confirmed samples for R&D material validation

    4. Specialty Polymer Additives: Advanced Flame Retardant Formulators

    Producers of high-performance plastics blend this boronic acid into synthesis routes for specialty flame retardants. Pyridine rings with adjacent fluorine atoms impart unique thermal resistance and char-formation properties, which are especially important in wire & cable insulation or automotive plastics. Downstream plants request tight particle size controls and documented absence of catalytic residues to avoid polymer discoloration. Full traceability from synthesis to blending is required for segments audited under automotive and electronics supply chains.

    Industry compliance standards

    • UL 94 Flammability Standard (as applied to finished plastics)
    • ISO 14001 Environmental Management (waste control for boron residues)
    • IEC 60695-11-10 for electrical insulation materials
    • Automotive OEM restricted substance lists (e.g., GADSL)

    Typical usage ratio

    • 0.5–4.0 wt% as co-monomer or chain modifier depending on polymer base
    • Optimized per batch by melt flow and flame test performance
    • Usually incorporated as a masterbatch concentrate for ease of dosing

    Downstream process integration

    • Fed into polymer reactor or high-shear mixer during early stage of polymerization
    • QC checks for integration efficiency and absence of unreacted boronic acid
    • Extrusion or granulation following dispersion within polymer matrix

    Final product types

    • Flame-retardant engineering plastics and compounds
    • Wire & cable jacketing materials
    • Automotive underhood plastic parts meeting high flammability rating
    • Granulate additives for compounding houses

    5. Agricultural Biotechnology: Chemical Probes for Crop Trait Screening

    In agricultural biotech labs, this difluoropyridine boronic acid finds use in the synthesis of molecular probes for rapid plant trait screening. The electronic structure aids in high-affinity binding to specific enzyme targets, supporting the development of crops with improved stress response. Production batches require confirmation by LC-MS and NMR to demonstrate structure and purity. Responsive customer support is essential, as application teams may adjust chemotype to match biological targets during multi-year project lifecycles.

    Industry compliance standards

    • OECD Good Laboratory Practice (GLP) for test material tracing
    • ISO/IEC 17025 Testing Laboratory Accreditation
    • Internal biotech QC release specification for probe batch tracking
    • US EPA registration for environmental test compound use

    Typical usage ratio

    • 0.1–2 mmol per synthesis for discovery phase probe batches
    • Adjusted for probe label loading and biological assay type
    • Milligram to gram-scale per trait screening campaign

    Downstream process integration

    • Direct addition as coupling partner in custom organic probe synthesis
    • Purification by reverse-phase chromatography before activity screening
    • Documentation for full synthetic route and batch traceability

    Final product types

    • Molecular probes for in vitro crop trait diagnostics
    • Enzyme inhibitors for pathway mapping in transgenic plant studies
    • Labeled tracer compounds for uptake and transport measurement
    • Reference toolkits for biotechnological innovation projects
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    Certification & Compliance
    More Introduction

    2,6-Difluoropyridine-3-Boronic Acid: An In-Depth Look from the Factory Floor

    A Closer Look at Our Product

    2,6-Difluoropyridine-3-Boronic Acid steps into the workflow as a critical intermediate, especially for synthetic chemists who value precision in pharmaceuticals and agricultural research. With its boronic acid functionality and distinctive difluoropyridine backbone, this compound extends the range of possibilities in Suzuki-Miyaura coupling reactions. Our team brings years of hands-on synthesis and process refinement to the table, focusing on purity, batch consistency, and safe handling—the practical needs we encounter daily in our own manufacturing environment.

    What Makes This Compound Stand Out

    We spend good time developing materials like 2,6-Difluoropyridine-3-Boronic Acid because the right chemical can cut weeks from a development timeline. The fluorine atoms at positions two and six add special electronic characteristics to the pyridine ring—traits you won’t see in the non-fluorinated analogs. This affects both the reactivity and the stability of the compound, two variables that shape how our customers design synthetic routes. The unique substitution pattern changes reaction outcomes. For example, the increased electron-withdrawing ability impacts cross-coupling yields and selectivity, which you notice right away during small-scale method scouting.

    Process chemists often run into difficulties dealing with closely related boronic acids. The difference really shows when scaling up. Many boronic acids degrade due to protodeboronation or oxidation, but with this one, our on-site data show improved stability under standard storage. We get fewer requests from partners needing help salvaging degraded batches, which keeps projects on schedule and budgets in check. This matters a lot in the development phases, where timelines feel aggressive and every gram carries real value.

    Specifications Built with R&D and Manufacturing in Mind

    Our batches of 2,6-Difluoropyridine-3-Boronic Acid come with a purity exceeding 98% by HPLC, and we control residual solvents and moisture down to low ppm levels. That level of control stems from our investment in in-house purification, where we balance throughput with careful monitoring from batch to batch. Quality assurance and traceability do not simply exist for certification purposes; they arise because our chemists use the same product and expect it to perform the same every time.

    The white-to-off-white powder format, stored in appropriate containers, has proven practical for straightforward weighing and addition to reaction mixtures. A melting point near 150°C gives process engineers some breathing room, especially in synthesis routes that demand careful temperature control. Our technical staff keep lab reports from dozens, sometimes hundreds, of different runs, and the specs come directly from the conditions that work again and again, not from generic tables.

    Why the Structure and Substitution Pattern Matter

    Comparing 2,6-Difluoropyridine-3-Boronic Acid to variants lacking fluorine—or with the substituents in different positions—reveals meaningful differences. We have worked with 2-fluoropyridine-3-boronic acid and seen weaker impact on electronic effects, which led to differences in coupling efficiency. Put two fluorines on the ring, spaced at the right positions, and the product behaves very differently from single-fluorine or non-fluorinated versions.

    Chemists in pharmaceutical research tell us they care about these nuances. The way the fluorine atoms affect electron density around the nitrogen increases selectivity when building more complex molecules. This might turn an average pathway into a standout one due to a cleaner conversion or fewer byproducts. Our own teams see this in their day-to-day, especially when troubleshooting challenging reaction conditions. Those extra degrees of selectivity save time and cut down on expensive post-reaction purifications.

    Applications Shaped by Experience

    Most of the demand we field comes from medicinal chemistry groups who are running lead optimization campaigns. Teams use this boronic acid to build structures that mimic active pharmaceutical ingredients or support the synthesis of fluorinated heterocycles, which often end up as core scaffolds in agrochemical pipelines. Success here depends on reproducibility. Variability in the intermediate means uncertainty about the next step. Using material that comes from an environment where we also depend on reliability makes a difference. We often get feedback from bench chemists, not just sourcing managers, and that shapes every production run.

    Specialty electronics labs have also come to us for this exact molecule, aiming to install fluorine atoms in complex OLED precursors. The finished product still carries the signature of the intermediates used, so starting with something that’s been scrutinized down to impurity profiles pays dividends later. Throughout these projects, our own chemists share findings directly with users, occasionally adjusting batch scheduling or managing custom purifications to meet unique process needs. This kind of direct partnership beats chasing batch discrepancies or shipment lag at a critical moment.

    How Our Manufacturing Practice Delivers Real-World Value

    We keep the synthesis and purification of 2,6-Difluoropyridine-3-Boronic Acid under one roof. This avoids the disconnect that sometimes happens when production and quality control get separated. Our reactor operators, analysts, and packaging teams share the same workspace, which speeds up troubleshooting and lets us apply process improvements fast. We track every tweak and adjustment in production records, so when a customer asks for insight into a batch, we can respond with data—not just reassurances.

    On more than one occasion, we have shipped out a rush order on the same day a batch cleared final analysis, keeping pilot runs or SAR projects from stalling. The structure of the workflow doesn’t allow for long bottlenecks, so we train each operator in the complete path from raw material to finished, documented product. Retention of experienced staff keeps know-how inside, and new hires learn directly from the most seasoned team members. The result shows itself in lower complaint rates and more returning customers, who value not just the chemical itself, but also the personal knowledge behind the product.

    Not All Boronic Acids Meet the Same Requirements

    Some alternate boronic acids attract attention due to lower raw material prices. We have tested several of these ourselves and often found a mismatch between cost and downstream success. For instance, certain pyridine-derivatives without the difluoro substitution struggle under oxidizing or basic conditions. That leads to impurities creeping into final products, especially in pharmaceutical applications where regulatory scrutiny is tough. We also hear about reaction failures or batch inconsistency—sometimes traced back to small differences in substitution patterns or novel synthetic routes that weren’t stress-tested at scale.

    Our own production planning weighs these trade-offs every week. We know cost savings matter, but cutting corners up front leads to rework, lost time, and unplanned troubleshooting. Getting the substitution pattern right, producing with robust control, and documenting the full process bring confidence to everyone involved in the project—not just at order placement, but all the way through to regulatory submissions and end-use performance.

    Managing Common Issues and Surprises

    In practice, the most common technical question we handle involves compatibility of 2,6-Difluoropyridine-3-Boronic Acid with different catalyst systems. Each run has unique demands: palladium loading, base choice, solvent compatibility, and air sensitivity all influence success. Previous work with early batches taught us that minor upticks in moisture or excess residual precursors—either left unchecked—could throw off a customer’s entire project. Years back, process issues with a control experiment led us to redesign our drying and filtration stage, adding extra in-process checks for water content.

    That investment saves us and our partners time and frustration. Whenever an unusual impurity profile appears, we collaborate with QA and QC to isolate it, analyze it, and, if necessary, tweak standard operating procedures until we shut down the issue for good. This continuous improvement does not wait for a catastrophic failure but stays ahead of problems. Each batch follows a well-trodden, audited path, bolstered by both routine and non-routine scenario drills.

    Supporting Customers and Collaborators Beyond Delivery

    Competitive pricing and fast shipment help, but we spend more effort on technical follow-up and feedback. Lab chemists receive not just certificates of analysis, but direct access to our production team for problem-solving. Several customers use our team for application advice and, on request, we share validated synthetic pathways or conduct test reactions in parallel to support troubleshooting.

    Every year, we review customer queries and adjust methods. Sometimes, feedback triggers a pilot study for a novel purification trick or a shelf-life extension trial based on special handling requests. These activities rarely come from formalized complaints but from informal conversations—quick emails, lab notes shared after a long day, a phone call after an unexpected result. We see our job not finished at delivery, but only after the material performs to specification in someone else’s hands.

    Proactive Measures to Control Environmental and Safety Impacts

    Handling pyridine-based intermediates, especially those carrying fluorine and boronic acid functions, brings its own set of EHS risks. Over our years in production, we have seen companies get tripped up by improper waste handling or poorly documented exposure controls. We maintain closed-loop solvent recovery, monitor airborne particulates, and invest in local exhaust systems beyond basic code. These investments cut down on both regulatory risk and real exposure to staff.

    We keep up with changes in environmental guidance, and stay clear of outdated disposal routines for boronic acid wastes. All plant facilities undergo regular review, and our team receives refresher training based directly on incident histories—both in our shop and those reported in industry bulletins. Investments in these areas might not win awards, but they keep the doors open and operations moving smoothly, day after day.

    The Future of Fluorinated Boronic Acids

    Pharma innovation cycles continue to shorten, driving more demand for tailored fluorinated building blocks like 2,6-Difluoropyridine-3-Boronic Acid. We see trends toward increasingly selective reactions and new synthetic strategies. For our facility, this means planning more tightly controlled batch records, better in-line analytics, and improved packaging for safe, long-distance transit.

    The infrastructure required to shift from laboratory scale to kilogram production does not develop overnight. Our facility spends real time managing scale-up: trialing reactors and filtration systems, troubleshooting crystallization and drying techniques, and validating every change before full rollout. Our goal is to maintain the responsiveness of a research partner with the reliability of a volume supplier. This does not happen through short-term outsourcing or delegation; it stems from daily hands-on work and ongoing knowledge transfer between chemists and operators.

    Real-World Testimonials from Ongoing Projects

    Over the past several years, multiple partners have approached us with challenges that commercial boronic acids could not solve. One pharmaceutical group, running against an aggressive clinical milestone, found that inconsistent material from other sources introduced batch heterogeneity. Our technical support team counseled the group through reaction optimization, provided detailed impurity mapping, and committed to uninterrupted supply through the life of the project.

    An agrochemical client required a modified storage protocol after repeatedly encountering breakdown with competing products. Our QC staff demonstrated the improved shelf stability of our material through accelerated aging studies, presented full documentation, and trained the client’s staff on best storage and handling techniques. That dialogue turned a one-off purchase into an ongoing collaborative relationship.

    Continued Innovation from End-to-End Manufacturing

    Innovation at our site does not just mean new molecules but smarter, more responsible ways to produce and deliver them. 2,6-Difluoropyridine-3-Boronic Acid shows how upstream control, operator experience, and substantive technical dialogue enable better outcomes in the fast-evolving landscape of pharmaceuticals and fine chemicals. Our factory approach, built on shared ambition between production staff and end users, serves as our answer to the day-to-day challenges of modern synthesis.