2-Pyridinecarboxylic acid, 3,6-difluoro-

    • Product Name: 2-Pyridinecarboxylic acid, 3,6-difluoro-
    • Chemical Name (IUPAC): 3,6-difluoropyridine-2-carboxylic acid
    • CAS No.: 898551-80-9
    • Chemical Formula: C6H3F2NO2
    • Form/Physical State: Crystalline powder
    • Factroy Site: No.968 Jiangshan Rd., Nantong ETDZ, Jiangsu, China
    • Price Inquiry: sales7@boxa-chem.com
    • Manufacturer: Nantong Acetic Acid Chemical Co., Ltd.
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    Specifications

    HS Code

    320431

    Iupac Name 3,6-difluoropyridine-2-carboxylic acid
    Cas Number 195551-59-6
    Molecular Formula C6H3F2NO2
    Molecular Weight 159.09
    Smiles C1=CC(=NC(=C1F)F)C(=O)O
    Inchi InChI=1S/C6H3F2NO2/c7-3-1-2-4(8)9-5(3)6(10)11/h1-2H,(H,10,11)
    Appearance White to off-white solid
    Boiling Point Decomposes before boiling
    Solubility In Water Slightly soluble
    Pubchem Cid 2763526

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

    Packing & Storage
    Packing The chemical is supplied in a 25g amber glass bottle with a tamper-evident seal and hazard labeling for safe laboratory handling.
    Container Loading (20′ FCL) 20′ FCL: Packed in 25kg fiber drums, 8 MT per container, ensuring safe, moisture-free transport of 2-Pyridinecarboxylic acid, 3,6-difluoro-.
    Shipping 2-Pyridinecarboxylic acid, 3,6-difluoro- is shipped in tightly sealed containers, protected from moisture and direct sunlight. It is handled as a chemical substance requiring standard safety protocols, including proper labeling and documentation. Transport is conducted in compliance with relevant regulations for hazardous materials to ensure safe delivery.
    Storage Store 2-Pyridinecarboxylic acid, 3,6-difluoro- in a tightly sealed container, in a cool, dry, and well-ventilated area away from direct sunlight and incompatible substances such as strong oxidizers. Ensure storage conditions prevent moisture ingress. Keep away from heat sources and ignition points. Clearly label the container and follow all relevant safety and chemical handling guidelines for proper storage.
    Shelf Life 2-Pyridinecarboxylic acid, 3,6-difluoro- typically has a shelf life of 2–3 years if stored in a cool, dry place.
    Application of 2-Pyridinecarboxylic acid, 3,6-difluoro-

    Purity 98%: 2-Pyridinecarboxylic acid, 3,6-difluoro- with purity 98% is used in pharmaceutical intermediate synthesis, where it ensures high reaction yield and reduced impurity content.

    Melting point 180°C: 2-Pyridinecarboxylic acid, 3,6-difluoro- with melting point 180°C is used in solid formulation processes, where it offers stability during thermal processing.

    Molecular weight 173.09 g/mol: 2-Pyridinecarboxylic acid, 3,6-difluoro- with molecular weight 173.09 g/mol is used in chemical research applications, where accurate stoichiometric calculations are required.

    Particle size <75 µm: 2-Pyridinecarboxylic acid, 3,6-difluoro- with particle size less than 75 microns is used in catalyst preparation, where the fine powder enhances dispersion and catalytic activity.

    Stability temperature up to 120°C: 2-Pyridinecarboxylic acid, 3,6-difluoro- with stability temperature up to 120°C is used in automated synthesis reactors, where it maintains structural integrity under reaction conditions.

    Solubility in DMSO 10 mg/mL: 2-Pyridinecarboxylic acid, 3,6-difluoro- with solubility in DMSO at 10 mg/mL is used in bioassay development, where it provides homogeneous solutions for accurate dosing.

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    Certification & Compliance
    More Introduction

    Introducing 2-Pyridinecarboxylic Acid, 3,6-Difluoro-: Practical Value from the Source

    Manufacturing 2-Pyridinecarboxylic acid, 3,6-difluoro- requires more than technical knowledge; it demands attention to detail, a commitment to quality, and daily hands-on work in real conditions. In our chemical production facility, this product has steadily earned its place among advanced intermediates, especially for those working on fluorinated heterocycles. Our customers don’t ask for it unless they’ve already discovered its unique performance in research or manufacturing. Though the name may sound complicated, the value it brings to process chemistry is straightforward and real.

    Our Approach to Producing 2-Pyridinecarboxylic Acid, 3,6-Difluoro-

    The production process for 2-Pyridinecarboxylic acid, 3,6-difluoro- calls for a careful sequence of steps, extensive purification, and rigorous oversight. We see the shift to difluorinated pyridine derivatives as both a technical and an environmental challenge. Raw materials are selected only after we run validation tests on every incoming batch. Production is handled in reactors specially lined to resist both fluoride ions and acidic intermediates. Batch records show each stage — pre-reaction, main reaction, and post-processing — so that the end product matches previously established benchmarks.

    We work mostly with customers whose chemistry requires high-purity building blocks — medicinal chemists synthesizing active ingredients, process development teams, or those optimizing agrochemical molecules. The physical appearance ranges from off-white to light tan, depending on the batch, but we measure the purity with modern analytical techniques instead of trusting just our eyes. Typical content for 2-Pyridinecarboxylic acid, 3,6-difluoro- is above 98% (by HPLC), with fluoride content and trace metals reported on request. Moisture must stay below tightly controlled thresholds since even a small amount can compromise reaction yields in downstream use.

    Understanding Where 2-Pyridinecarboxylic Acid, 3,6-Difluoro- Fits

    For those unfamiliar, 2-pyridinecarboxylic acid with fluorines at the 3 and 6 positions is far from a basic commodity. Compared to simpler pyridinecarboxylic acids, the difluoro version brings electronic effects that researchers and manufacturing chemists depend on. The two fluorine atoms change the reactivity profile in cross-coupling reactions and nucleophilic aromatic substitutions. Medicinal chemistry groups use this product to construct scaffolds with increased metabolic stability, as extensively substituted aromatic rings can slow down unwanted enzymatic degradation.

    What does this mean in practical terms? Many downstream projects using this building block chase better pharmacokinetic profiles, improved target affinity, or reduced toxicity in candidate compounds. By controlling both position and number of fluorines, chemists tweak key molecular properties, sometimes drawing the line between a promising lead and a project that never makes it past the initial screen. We’ve watched this in real time: a project team achieves a small breakthrough, and suddenly there’s new demand for the same product but at higher purity or on a larger scale.

    Quality Focus: Meeting Lab and Industrial Expectations

    A reliable supply of 2-Pyridinecarboxylic acid, 3,6-difluoro- shields teams from unnecessary repeat runs, high background impurities, and wasted resources. Our own QC analysts run NMR, GC-MS, and ion chromatography for every released lot, not just at development but at full-scale runs. There is no shortcut around the reality that a slight impurity can derail months of medicinal chemistry work. Years of partnering with pharmaceutical research teams have taught us that process reproducibility counts just as much as initial product quality.

    Handling special requests has always been part of standard operations. Some customers need micro-analytical samples, others request custom packaging under dry nitrogen, and a few want detailed spectroscopic data as part of the delivery. We address these needs directly by setting up parallel processing, opening up production slots for rapid response, and maintaining a consistent log for every product batch shipped. Packaging aims to keep moisture out and trace contamination at bay.

    How 2-Pyridinecarboxylic Acid, 3,6-Difluoro- Compares to Other Similar Compounds

    Not all pyridinecarboxylic acids behave the same way, and the choice of difluorination stands out in several respects. Place 2-Pyridinecarboxylic acid (no fluorines) side by side with the 3,6-difluoro variant, and the differences are clear. The non-fluorinated version offers higher reactivity in direct amidation or esterification, but the difluoro analog offers resistance to oxidation and improved selectivity in complex transformations. Applications that demand tight control over electron density gravitate toward the difluoro compound.

    Even single-fluorinated derivatives can’t fully mimic what substitution at both 3 and 6 provides. Medium-scale users routinely compare melting point consistency, solubility in polar solvents, and the ability to withstand prolonged heating. Researchers working on halogen exchange or cross-coupling find that the 3,6-difluoro configuration offers better yields and cleaner reaction profiles under challenging conditions. This insight isn’t the product of speculation — it’s based on direct feedback from process optimization projects and our own side-by-side validation runs.

    Supporting Diverse Applications: From Lab to Process Scale

    While the bulk of demand for 2-Pyridinecarboxylic acid, 3,6-difluoro- comes from life science innovators, the compound supports projects far beyond one narrow field. We’ve supplied batches to teams working on electronic materials, specialty dye synthesis, and modified polymers where the introduction of multiple fluorines impacts thermal stability and performance. Each application brings its own set of expectations for solubility, crystallization, and trace impurity control. In every case, the foundation stays the same: consistent supply, transparent communication, and honest troubleshooting.

    Troubleshooting isn’t an occasional add-on; it is a regular part of our day. Shipping fine chemical intermediates worldwide brings challenges. Schedules shift, temperature swings during transit, or customs delays can threaten shipment integrity. To avoid these problems, we invest in packaging design, add temperature indicators when needed, and always keep buffer stock in house. These steps protect against unplanned downtime for our partners or, at worst, an entire batch being ruined for reasons that have nothing to do with real product quality.

    Commitment to Sustainable and Safe Production

    Sustainability goals have moved from aspirational language to active practice in our operations. Every batch of 2-Pyridinecarboxylic acid, 3,6-difluoro- is produced with attention to process safety. We reclaim solvent for repeated cycles where technically feasible, collect and neutralize fluorinated waste, and stay clear of shortcuts that compromise plant or environmental safety. Controlling excessive fluoride contamination is not negotiable. In our experience, rigorous environmental management makes operations more predictable and less likely to face regulatory surprises. This approach lines up with customer expectations — a fact that emerges in audits and regular supplier reviews.

    Continuous training keeps safety performance high. Operators check process parameters as a matter of daily routine. Periodic improvements, prompted by small findings on the shop floor, nearly always pay dividends. This culture of regular process feedback keeps production reliable, and customers notice. Rather than waiting for regulatory agencies to flag compliance, we resolve foreseeable issues internally before they become visible outside our walls.

    Lessons Learned from Real-World Customer Experience

    Customers working with 2-Pyridinecarboxylic acid, 3,6-difluoro- often seek more than a simple transaction. The requests might involve short lead times, rigorous documentation, or help analyzing a process deviation. Sometimes, a lab finds a trace issue not seen during development. Rather than ignore it or offer generic apologies, we retrieve sample retainers, rerun the analysis, and share the results openly. Each interaction sharpens our ability to deliver what matters most to clients, not just what’s listed on a spec sheet.

    Process feedback from customers helps us adapt our own practices. A pharmaceutical development team flagged a byproduct that interfered with their target molecule. Rather than react with standard corrective action, we investigated the root cause, altered our purification step, and reduced the problematic impurity in subsequent lots. This didn’t happen overnight. Final results came after collaborating directly with our customer’s analytical chemists, sharing data, and retooling the workup sequence through a series of controlled changes. These kinds of problem-solving partnerships benefit everyone.

    Connecting with Research, Development, and Manufacturing Teams

    Direct dialogue with customers, rather than relying on intermediaries or distant sales reps, makes a tangible difference. Early conversations often surface needs that formal documentation might miss. Some projects ask for large orders on a monthly schedule, others want small research-scale samples with full spectroscopic traceability. Our team runs regular internal meetings to make sure production, QC, and logistics all align with current commitments. No one gets a surprise just because communication broke down between departments.

    If a university group needs research quantities for preliminary studies, we can deliver smaller, freshly prepared lots to match their scale. For established pharmaceutical companies or startups scaling up, larger drum lots can be supplied under tighter batch traceability controls. Instead of forcing everyone into the same procurement channel, we adapt production batch size, labeling, and documentation to match each project’s needs. This flexibility helps clients stay focused on their work, not on troubleshooting avoidable paperwork issues.

    Reliability of Supply and Transparent Operations

    Any disruption in the supply of key intermediates such as 2-Pyridinecarboxylic acid, 3,6-difluoro- leaves project teams vulnerable to expensive downtime. We safeguard critical production steps by sourcing alternative raw material suppliers, validating multiple transport routes, and maintaining inventory buffers. Every lot carried out of our plant includes a trace file — not just token compliance paperwork, but information on real process parameters, quality test records, and operator log entries. Customers deserve more than standard compliance; they expect evidence that their materials match what is claimed.

    Problems sometimes surface even with the best planning. Lost shipments, raw material purity drift, or unexpected delays can happen without warning. In these cases, we work directly with clients to trace the source, offer replacement materials, or solve the logistics issue without deferring responsibility. Years of experience remind us: transparency always works better than technical excuses in the long run.

    Supporting Advanced Chemistry and Innovation

    Many research and development projects hinge on timely access to advanced building blocks. Customers use 2-Pyridinecarboxylic acid, 3,6-difluoro- to develop next-generation drug candidates, new crop protection agents, or high-performance polymers with improved operating windows. By delivering on time, at the promised quality, and with open communication, we give research teams the confidence to focus on innovation instead of material worries.

    The world of chemical manufacturing has little tolerance for inconsistency. Researchers can’t afford batch-to-batch variability, unpredictable impurities, or delays that throw off entire project schedules. Our experience proves that producing what customers really need — not just what is technically possible — keeps productive relationships moving forward. The ongoing drive to minimize lead times, maintain open client access to our technical teams, and never hide behind procedural explanations earns trust over time.

    Shaping the Future: Shared Commitment

    Working directly with those who develop and manufacture future medicines, advanced materials, and specialty chemicals brings a strong sense of responsibility. Decisions in our facility ripple downstream, affecting regulatory submissions, intellectual property filings, and, ultimately, product launches. Each improvement in process safety, documentation, and responsiveness doesn’t just make our operation safer or more efficient; it helps our customers achieve their goals with less friction and risk.

    The production journey for 2-Pyridinecarboxylic acid, 3,6-difluoro- reflects the broader world of specialty chemical manufacturing: unglamorous at times, detail-driven, critical for progress, and shaped by experience. As partners to our customers, we remain ready to address technical challenges, adjust product features, and keep the focus on reliable, responsive delivery. With every new project, the experience grows, the process tightens, and customers that rely on us can see the value in real-world results.