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2,4-Difluoro-5-Nitrophenylboronic Acid

    • Product Name 2,4-Difluoro-5-Nitrophenylboronic Acid
    • Alias DFNB
    • Einecs 831-616-4
    • 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

    762833

    Product Name 2,4-Difluoro-5-Nitrophenylboronic Acid
    Cas Number 864070-44-2
    Molecular Formula C6H4BF2NO4
    Molecular Weight 202.91
    Appearance Yellow solid
    Solubility Slightly soluble in water
    Purity Typically ≥97%
    Smiles B(C1=CC(=C(C(=C1F)N(=O)=O)F)O)O
    Inchi InChI=1S/C6H4BF2NO4/c8-3-1-4(7(12)13)2-5(9)6(3)10(11)14/h1-2,12-13H
    Synonyms 2,4-Difluoro-5-nitrobenzeneboronic acid
    Storage Temperature 2-8°C
    Application Suzuki-Miyaura coupling reactions

    As an accredited 2,4-Difluoro-5-Nitrophenylboronic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle with screw cap, labeled “2,4-Difluoro-5-Nitrophenylboronic Acid, 5 grams,” with hazard and handling instructions.
    Shipping 2,4-Difluoro-5-Nitrophenylboronic Acid is shipped in sealed, chemically resistant containers to prevent contamination and moisture exposure. It is packaged according to safety and regulatory standards, with appropriate labeling and documentation. Transport is typically via ground or air, ensuring temperature and handling requirements are met to maintain product integrity.
    Storage 2,4-Difluoro-5-Nitrophenylboronic Acid should be stored in a tightly sealed container, protected from light, moisture, and incompatible materials such as strong oxidizers. Store at room temperature (15–25°C) in a cool, dry, well-ventilated area. Keep the container away from sources of ignition and handle under inert atmosphere, such as nitrogen or argon, if long-term stability is a concern.
    Application of 2,4-Difluoro-5-Nitrophenylboronic Acid

    Applications of 2,4-Difluoro-5-Nitrophenylboronic Acid in Industrial Manufacturing

    2,4-Difluoro-5-Nitrophenylboronic Acid is a specialized intermediate widely used in precision organic synthesis for pharmaceuticals, agrochemicals, and advanced material research. As a direct manufacturer, we supply this product for specific industrial processes, focusing on stringent quality demands, application-specific ratios, and integration into downstream manufacturing lines.

    1. Pharmaceutical API Synthesis (Aromatic Substitution Step)

    Pharmaceutical manufacturers apply this material during Suzuki-Miyaura cross-coupling to introduce difluorinated aromatic structures into active pharmaceutical ingredient (API) molecules. This position-specific boronic acid unit allows selective arylation, meeting strict impurity control guidelines and supporting late-stage diversification in NCE pipelines. Formulators optimize equivalency and reaction time based on desired endpoint purity and API structure.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP General Chapters <941> and <1086> for Residual Solvents and Impurities
    • FDA 21 CFR Part 211 for drug substance control
    • EU EudraLex Vol 4 – GMP for APIs

    Typical usage ratio

    • 0.98–1.20 molar equivalents relative to aryl halide coupling partner; adjusted based on the electronic demand and catalyst loading

    Downstream process integration

    • Introduced in batch or flow reactors during the palladium-catalyzed cross-coupling stage
    • Strict material handling via contained system to minimize exposure and loss
    • Pre-dissolved in suitable solvent (e.g., DMF, dioxane) before reaction

    Final product types

    • Fluorinated aromatic APIs (oncology, CNS therapeutics)
    • NCEs with nitroaryl pharmacophores
    • Advanced pharmaceutical intermediates for patent-protected drugs

    2. Agrochemical Intermediate Synthesis (Herbicide Building Block)

    Key agrochemical innovators employ this intermediate in the synthesis of pyrazole, triazine, and phenyl-substituted herbicidal actives via cross-coupling with halogenated partners. Precision use ensures product consistency in large-batch, multi-ton production while controlling for derivative formation and trace boron content.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 Quality Management Systems
    • REACH registration (EC No. 1907/2006, Annex VII-IX for raw material safety)
    • China GB/T 19001 Industrial Quality Control for agro intermediates

    Typical usage ratio

    • 1.00–1.10 molar equivalents, adjusted to minimize side-product formation during large-scale couplings; higher ratios rarely used due to increased cost and downstream cleanup

    Downstream process integration

    • Fed into automated reactor systems partnered with real-time analytical control (GC/HPLC)
    • Often pre-mixed as a solution with a selected phase transfer catalyst
    • Incorporated post-nitration and pre-final hydrolysis or reduction

    Final product types

    • Difluoro-triazine herbicides
    • Substituted phenylpyrazole plant protection agents
    • Intermediates for selective pre/post-emergent herbicidal actives

    3. Advanced Electronic Materials (OLED and Semiconductors)

    Manufacturers in the electronics sector use this boronic acid to construct high-purity difluorophenyl motifs via cross-coupling, providing electron-withdrawing groups to tune charge transport and photophysical properties for OLED emitters and thin-film semiconductors. Its integration maintains high purity threshold and defined molecular weight during scale-up under inert atmosphere.

    Industry compliance standards

    • IEC 60417: Symbol standards for electronic device labeling/certification
    • IPC-1752 Material Declaration Management Standard
    • RoHS Directive 2011/65/EU for limits on heavy metals and impurities
    • JEDEC JESD223 Organic Electronics Material Guidelines

    Typical usage ratio

    • 1.00–1.05 equivalents for precise stoichiometric assembly in small-molecule and polymer syntheses; excess avoided to optimize film purity

    Downstream process integration

    • Inserted during Stille or Suzuki coupling for backbone and side-chain modification
    • Delivered as an anhydrous, high-purity powder or in solution (anhydrous THF or toluene) under nitrogen
    • Controlled addition under glovebox or inert gas reactor system

    Final product types

    • OLED emissive layer monomers and polymers
    • Organic thin-film transistors (OTFTs)
    • Organic photovoltaic (OPV) intermediates

    4. Custom Fine Chemicals (Specialty Dye and Pigment Synthesis)

    Specialty chemical producers utilize this boronic acid building block for synthesis of difluorinated aromatic structures in high-fastness dyes and pigments. The strong electron-withdrawing effect of the difluoro and nitro substituents increases durability and color stability, especially for demanding textile and digital print applications.

    Industry compliance standards

    • ISO 1833-21: Methods for the analysis of dyed fabrics
    • Oeko-Tex Standard 100 harmful substance limits (input chemicals)
    • EN 71-3: Safety of Toys – Migration of certain elements for pigment use
    • REACH Annex XVII for aromatic amine restriction

    Typical usage ratio

    • 0.95–1.05 molar equivalents in the coupling step, controlled to minimize residual building block in finished dye concentrate

    Downstream process integration

    • Added at the key arylation step during azo dye synthesis or pigment condensation stage
    • Controlled heating profile to avoid decomposition of sensitive boronic acid sites
    • Followed by chromatographic or crystallization purification

    Final product types

    • Reactive and disperse textile dyes
    • High-performance pigments for specialty inks
    • Colorants for security, anti-counterfeit, and data storage applications

    5. Chemical Research and Development (Custom Library Construction)

    CROs and R&D institutions integrate this intermediate during parallel synthesis of small-molecule libraries, especially for structure-activity relationship (SAR) investigations involving difluorinated nitroarene cores. Controlled application provides precise substitution for hit-follow-up and patent space exploration by direct introduction of a 2,4-difluoro-5-nitrophenyl moiety.

    Industry compliance standards

    • GLP Principles (OECD Series on Principles of Good Laboratory Practice and Compliance Monitoring)
    • ISO 9001:2015 for laboratory and research quality systems
    • National research chemical handling and safety guidelines
    • REACH pre-registration for research-scale chemical use

    Typical usage ratio

    • 1.00 equivalent for library production; excess up to 1.30 equivalents where full conversion sought on combinatorial plates

    Downstream process integration

    • Distributed into microwell format reactions, commonly in DMSO, DMF, or aqueous-organic blends
    • Added at the diversification or core scaffold build-out stage
    • Processed under air or inert, depending on sensitivity of secondary coupling partners

    Final product types

    • Difluorinated small-molecule libraries for SAR profiling
    • Reactive intermediates for patent claim expansion
    • Reference materials for internal standards
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    Certification & Compliance
    More Introduction

    2,4-Difluoro-5-Nitrophenylboronic Acid: Innovation and Reliability from the Production Floor

    Rethinking Building Blocks for Modern Synthesis

    On the production line, every compound tells its own story through batches, reactors, and the hands that guide it. 2,4-Difluoro-5-Nitrophenylboronic Acid, model number H2C6BF2NO4, has become one of those unmistakable voices in the realm of advanced organic synthesis. For those who rely on boronic acids, tuning performance at the molecular level is about much more than picking from a catalog. Getting this compound just right pulls together chemistry and real-world results, not just purity on a sheet.

    The Demands Behind Each Batch

    Day in and day out, expectations run high on quality and consistency. Chemists and technical teams across pharma and agrochemical labs want their coupling partners to deliver clean, predictable outcomes. This boronic acid stands out in Suzuki couplings, proving its worth in the hands of those who design new heterocycles or drug intermediates. Its difluoro, nitro-substituted aromatic ring adds significant reactivity, letting experienced synthetic chemists introduce functionalized fragments with fewer steps and greater selectivity than less decorated phenylboronic acids. That's not just theory—repeated customer feedback confirms conversions that hold up against scrutiny batch after batch.

    Why the Details Matter

    As an actual manufacturer, we've had our share of long nights in the plant, recalibrating process controls for this compound. Small changes in parameters affect the crystal structure, solubility, and even the way the product behaves under storage and transport. Many commercial boronic acids struggle with hydrolysis or clump up under humidity. Our teams have learned to spot early signs before the final QC rounds, ensuring shipments arrive uncompromised. On occasion, we've worked side by side with R&D from partner companies, watching their reactions run smoother with our batches than what they've sourced from intermediaries or unverified suppliers.

    A Closer Look at Structure and Impact

    Compared to standard phenylboronic acid, 2,4-difluoro-5-nitro substitution brings a different electronic profile, which matters in cross-coupling or when aiming for site-selective modifications. The nitro group boosts electron-withdrawing power, while the fluoro groups offer both steric and electronic influences. Practical upshot: more robust bonds form under milder conditions. This impacts multi-step syntheses, especially where sensitive intermediates otherwise decompose. Colleagues synthesizing new fluorinated drug candidates or advanced materials often share how this compound saves time by reducing reaction steps and improving yields.

    Production Insights—Consistency Above All

    Operating our reactors in closed conditions, attention falls on temperature control, solvent quality, and regular instrument calibration. We run rigorous HPLC and NMR checks every run, sometimes repeating tests if profiles deviate. Handling the crude output, precise washing and crystallization keep impurities down. Long experience taught us shortcuts only hurt in the end: skipping time on solvent exchange or drying leads to variable results and erodes trust. We choose to keep these steps meticulous, right through the packing process.

    Specification Facts that Guide Our Choices

    Here, purity rarely slips below 98 percent. Teams track moisture content, melting point, and boron content not out of routine, but because each detail supports the next transformation in a customer's lab. Over time, we've credited much of our repeat business to open conversation about why certain batches may perform better depending on usage. Higher purity and proper handling mean less troubleshooting for teams scaling up from hundred-milligram R&D runs to kilos for pilot plants.

    On Storage, Stability, and Long-Term Reliability

    In long-term storage, avoiding deterioration takes vigilance. Experience warned us that boronic acids with sensitive substituents degrade faster if exposed to moisture or high temperatures. Our packaging approach involves inert atmospheres and careful drying, proven to matter more in damp or high-humidity climates. Shipping coordinators stay in close contact with research partners, updating on transit conditions in real time. Field feedback taught us that rapid shipping and correct handling keep the nitro group and boronic acid integrity intact for every client.

    Practical Use Cases—From the Bench to Pilot Scale

    One pharmaceutical group we partner with recently scaled an API precursor derived from this boronic acid. Running Suzuki couplings at moderate base and palladium loadings, their chemists reported smoother conversions and less side-product contamination than batches using mono-substituted boronic acids. On industrial scale, easier workup and isolation translated to reduced solvent use and shorter timelines. That sort of utility doesn’t show on a data sheet but matters in the real world.

    In specialty materials, our engineers recall working with a team targeting new fluorinated biphenyl compounds for electronics. Their early pilot trials flagged inconsistent yields with off-the-shelf boronic acids acquired through distributors. We collaborated, supplied them direct, and performed joint QC checks each season to rule out batch variation. Rapid troubleshooting and direct lines between technical teams minimized downtime, built confidence, and helped deliver final products meeting non-standard material specs.

    Comparing with Other Boronic Acids

    Many users don’t see the difference between basic phenylboronic acid and derivatives until reactions run into problems. Standard phenylboronic acids suit general use, but electron-deficient aryl systems like this difluoro-nitro variant open up new synthetic bandwidth: coupling barriers drop, yields climb, side-products fall away. Structural tweaks change hydrophobicity and reactivity—details we track because the market often overlooks their impact until a synthetic step fails. Our teams watch for competitors using inconsistent intermediates; the end products don’t match up.

    The extra electron-withdrawing groups on 2,4-difluoro-5-nitrophenylboronic acid don’t just affect reaction rates. In peptide and nucleoside conjugation, selective activation changes how subsequent steps line up, lowering byproduct loads and minimizing purification. Academic partners have even built computational models using our material data to optimize pathway design for novel libraries. At trade conferences, we've often fielded deep-dive questions about why certain heterocyclic targets only succeed using our reproducible batch compositions, and not with generics of unknown pedigree.

    Supporting Claims with Hard Results

    A few years ago, a synthetic chemistry group tested our boronic acid against three other sources for a commercial agrochemical project. Yield and purity varied widely between sources. Our in-process analytical controls limited boronate ester formation, leading to almost two percent higher yield after workup and lower post-reaction clean-up. Feedback filtered back through their project leads, who pointed to reduced downtime and improved batch-to-batch reliability as key ROI drivers.

    Supporting research partners through troubleshooting has taught us that no two processes react the same. Getting hands-on with bench teams, sharing practical drying techniques or improved dissolution protocols, often turns potential bottlenecks into workflow advantages. That open, technical back-and-forth doesn’t happen with remote or hands-off resellers, who rarely manage direct production or tailor output to unique use cases.

    Continual Improvement Driven by Real-World Use

    One challenge we tackled over the past year involved refining the granularity and pourability of the final product, ensuring technicians can weigh and dissolve the material without loss or caking. By adjusting crystal habit—changing solvent mix and cooling rates—we cut reported handling issues from customer reports. Even now, we log every field complaint and tie improvement projects directly to end-user challenges, not just abstract process metrics.

    Getting supply right isn’t just about capacity or cost. For products like 2,4-difluoro-5-nitrophenylboronic acid, industry cycles shape demand spikes tied to regulatory changes or patent timelines. We keep active stock and flexible scheduling based on market intelligence from direct customer discussions instead of marketplace speculation. Years in the trenches with researchers taught us that supply stability and traceable quality reduce headaches, letting innovation take center stage.

    Safe Practices and Regulatory Confidence

    Compliance teams review every process adjustment for environmental and safety concerns. Handling reagents like nitro and fluoro-aryl precursors carries its own risks, familiar to any manufacturer. We keep detailed hazard and process safety records, collaborate with downstream partners on handling guidelines, and participate in regional regulatory information exchanges. This level of documentation isn’t always visible to buyers, but confidence in these protocols lets us ship globally, meeting both industry and academic standards. No corners cut, clear traceability, honest reporting—practices that have earned repeat audits and kept incidents down.

    Collaborating with Innovation at Heart

    Every year brings advancing methodologies—new catalytic systems, greener solvents, microwave synthesis. Researchers ask about compatibility, scaling, downstream constraints, and we make adjustments as the landscape develops. We’ve supported early AI-driven drug discovery teams refining virtual screening hits, making real-world samples available in short time frames, all the way through to old-school production chemists scaling multi-kilogram lots in glass-lined reactors. That range sharpens our formulation and process controls, feeds back into logistics planning, and builds a kind of practical intelligence only a manufacturer living with a product can share.

    Direct Sourcing Makes a Difference

    Users who buy direct from manufacturers find support when things don’t line up perfectly: advice on optimal solubilization, tips to minimize airborne loss, adjustments to shipping for climate extremes. Our field tech staff step in, blending years on plant floors with awareness of novel applications. For projects where timelines run tight, that trust makes a difference. We've even expedited process tweaks overnight after joint teleconferences with late-shift process teams.

    Distributors or traders rarely get that deep in the weeds—or understand how subtle differences in process, from batch drying to in-house QA, determine performance in the lab. That’s why many long-term partners started as new customers burned by delays or batch failures from less transparent sources.

    Lasting Value for High-Value Projects

    We see 2,4-difluoro-5-nitrophenylboronic acid not as just another line item, but as a tool for enabling breakthroughs—new medicines, next-generation materials, improved crop solutions. In a space filled with lookalike compounds, attention to detail, production know-how, and honest partnership guide product evolution. Raw performance is what brings our partners back, but it’s the willingness to share hard-earned manufacturing lessons that lets their innovations scale from concept to reality.

    Looking Ahead—Where We Go From Here

    Markets change fast: new regulations affect raw material access, researchers adopt automation and continuous processing, and sustainability pressures drive new purification cycles. As we adapt, we keep a simple philosophy. Stay close to the people using these building blocks. Listen, improve, don’t hide problems. That approach built our reputation batch by batch.

    For teams ready to push boundaries in synthesis, direct connection means access to not just product, but long-term production expertise. Anyone who's wrestled with stubborn impurities or unpredictable reactivity knows how much faster progress moves with that kind of partnership. As new challenges emerge, we’ll continue working hands-on with chemistry pioneers, refining process and material to set new standards in what’s possible with 2,4-difluoro-5-nitrophenylboronic acid, supporting discovery from the inside out.