2,5-Dichloropyridine-4-boronic acid

    • Product Name: 2,5-Dichloropyridine-4-boronic acid
    • Chemical Name (IUPAC): (2,5-dichloropyridin-4-yl)boronic acid
    • CAS No.: 942133-36-2
    • Chemical Formula: C5H4BCl2NO2
    • Form/Physical State: Solid
    • Factroy Site: No.968 Jiangshan Rd., Nantong ETDZ, Jiangsu, China
    • Price Inquiry: sales7@bouling-chem.com
    • Manufacturer: Nantong Acetic Acid Chemical Co., Ltd.
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    Specifications

    HS Code

    250397

    Productname 2,5-Dichloropyridine-4-boronic acid
    Casnumber 912772-46-0
    Molecularformula C5H4BCl2NO2
    Molecularweight 191.81
    Appearance White to off-white solid
    Purity Typically ≥ 97%
    Solubility Soluble in DMSO, slightly soluble in water
    Synonyms 2,5-Dichloro-4-pyridineboronic acid
    Smiles B(C1=CC(=NC=C1Cl)Cl)(O)O
    Inchi InChI=1S/C5H4BCl2NO2/c7-3-1-5(10(11)12)9-2-4(3)8/h1-2,10-12H
    Chemicalclass Aryl boronic acid
    Storageconditions Store at room temperature, keep container tightly closed

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

    Packing & Storage
    Packing The 10g quantity of 2,5-Dichloropyridine-4-boronic acid is supplied in a sealed, amber glass bottle with tamper-evident cap.
    Container Loading (20′ FCL) 20′ FCL can load about **9–10MT** of 2,5-Dichloropyridine-4-boronic acid, packed in 25kg fiber drums with pallets.
    Shipping 2,5-Dichloropyridine-4-boronic acid is shipped in tightly sealed containers under ambient conditions. Packaging ensures chemical stability and prevents moisture ingress. Transport conforms to relevant chemical safety guidelines. Appropriate labeling and documentation are included to ensure compliance with local and international shipping regulations for laboratory chemicals. Handle with suitable protective equipment upon receipt.
    Storage 2,5-Dichloropyridine-4-boronic acid should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from moisture and incompatible substances such as strong oxidizers. Protect from light and heat. Use appropriate safety precautions, including gloves and eye protection, when handling. Ensure proper labeling and keep out of reach of unauthorized personnel.
    Shelf Life 2,5-Dichloropyridine-4-boronic acid typically has a shelf life of 2 years when stored in a cool, dry, and airtight container.
    Application of 2,5-Dichloropyridine-4-boronic acid

    Purity 98%: 2,5-Dichloropyridine-4-boronic acid with a purity of 98% is used in Suzuki-Miyaura cross-coupling reactions, where it ensures high-yield synthesis of biaryl compounds.

    Melting point 180°C: 2,5-Dichloropyridine-4-boronic acid with a melting point of 180°C is used in pharmaceutical intermediate production, where thermal stability allows for controlled processing conditions.

    Particle size <20 µm: 2,5-Dichloropyridine-4-boronic acid with particle size less than 20 micrometers is used in fine chemical manufacturing, where enhanced solubility improves reaction kinetics.

    Moisture content <0.5%: 2,5-Dichloropyridine-4-boronic acid with moisture content below 0.5% is used in dry powder formulations, where low water content prevents degradation during storage.

    Stability temperature 25°C: 2,5-Dichloropyridine-4-boronic acid stable at 25°C is used in ambient storage applications, where prolonged shelf life is achieved under standard laboratory conditions.

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    Certification & Compliance
    More Introduction

    Reliable 2,5-Dichloropyridine-4-boronic Acid: Precision from the Source

    Decades of hands-on experience in chemical synthesis show where the real value lies in producing advanced intermediates like 2,5-Dichloropyridine-4-boronic acid. Each batch that leaves our facility stands as a direct result of cumulative insights, with every step — from raw material selection to the final isolation — managed by specialists who understand the molecule’s quirks up close. There’s no substitute for knowing how compounds respond under actual manufacturing conditions, not just in a laboratory notebook or on a distributor’s product list.

    Commitment Rooted in Consistency

    Consistency defines quality for specialty boronic acids. 2,5-Dichloropyridine-4-boronic acid, which has become integral to coupling chemistry, arrives at a certain stage of complexity that demands control at every point. In real-world manufacturing, deviations in moisture, purity, or residual metals often trigger failures in downstream Suzuki–Miyaura couplings or similar transformations. As a direct manufacturer, we have tailored solutions that address these issues before the product moves toward application, not after. Our team pays special attention to reaction conditions: solvent quality, crystallization temperatures, and filtration protocols reflect years of small but significant tweaks learned from experience, not just protocol.

    Product Specifics from the Manufacturer’s Perspective

    Each batch of 2,5-Dichloropyridine-4-boronic acid follows a strict process built from dozens of full-scale campaigns. We monitor for trace metals and halide impurities throughout, using validated analytical methods. For a molecule with two chlorines on the pyridine ring and a boronic acid at the 4-position, even minor contamination can create a domino effect, causing persistent side reactions in follow-up synthesis.

    Our 2,5-Dichloropyridine-4-boronic acid exhibits a clean, white to off-white crystalline appearance, typically with purity above 98% by HPLC. Moisture content stays low, without crossing levels that can undermine stability or promote hydrolysis during storage. Analytical profiles are shared with our partners so they receive not just specifications, but the assurance of repeatable results grounded in actual run data. Direct control of source materials means we can investigate irregularities quickly, without the communication overhead or variability introduced by resellers or traders.

    Solid handling practices matter more with compounds like pyridine-based boronic acids than many users realize at first. Even a small lapse in drying or packaging can lead to instability—hydrolysis or surface oxidation are relatively common pitfalls for similar materials. Feedback cycles between our production floor and end users make it possible to maintain a process that matches real-world lab and plant expectations, not just book values. Years of direct conversation with researchers and process chemists inform every change we introduce, large or small.

    Why Sourcing from a True Manufacturer Makes a Difference

    There is often confusion around the real origin of specialty chemicals. As a manufacturer, we have direct oversight over precursor quality and safety procedures, all the way from the initial synthesis through to drying and milling. External suppliers or resellers only see the finished product, lacking insight into subtle reactions or the development of off-coloration under certain storage conditions. Our team resolves unexpected issues on the factory floor, in time for adjustments. Since boronic acids, especially those substituted on the pyridine ring, may be sensitive to trace impurities or storage atmospheres, upfront control saves both time and cost for clients in scale-up or commercial manufacturing environments.

    Technical support means more in practice when it comes from chemists who have actually run the reactions themselves—not from reading an MSDS. We answer technical queries based on hard-won familiarity: solvent effects, compatible bases, storage advice under local humidity, even documentation needs for regulatory groups—all informed by practical experience. Repeat clients often return with feedback after pilot reactions, which leads to process changes when warranted, not just empty reassurances.

    Key Differences Between 2,5-Dichloropyridine-4-boronic Acid and Common Alternatives

    Our facility also produces related boronic acids, which allows for direct side-by-side comparison and optimization based on intended usage. For example, 2,6-dichloropyridine-4-boronic acid and unsubstituted pyridine-4-boronic acid differ in both reactivity and stability. We’ve observed that the double ortho-chloro substitution in the 2,5-regioisomer often provides increased robustness in certain transformations, while the 2,6 variant can introduce synthetic challenges due to steric congestion. The 2,5-dichloro compound often gives a cleaner coupling profile when involved in cross-coupling reactions, limiting formation of undesired isomers or byproducts.

    Simple pyridine-4-boronic acid, though easier to produce, tends to display lower stability under ambient storage, with greater susceptibility to hydrolysis and oxidation. Many clients who initially switch from standard pyridine-4-boronic acid to the 2,5-dichloro derivative report improved yields and fewer downstream purification complications. Our own test batches support these accounts, highlighting fewer side peaks under forced degradation and long-term shelf conditions.

    Suitability for Demanding Applications

    The pharmaceutical sector remains the largest end user of pyridine-based boronic acids, especially for lead development and SAR (structure–activity relationship) exploration. The 2,5-dichloropyridine-4-boronic acid proves valuable in these settings, allowing access to highly functionalized molecules that resist direct halogenation. We designed our purification and drying steps around the actual standards used in drug discovery and scale-up labs. Keeping residual solvents, transition metals, and halide traces below actionable thresholds avoids headaches downstream. Our own chemists spend hundreds of hours validating real-world coupling reactions, not just monitoring theoretical values. The feedback cycles between process optimization and manufacturing improvements get reflected in every subsequent batch.

    Through collaboration with emerging pharma and agrochemical sectors, we also address requests for custom packaging, enhanced moisture control, and documentation for screening and registration. Over time, we’ve developed a packaging line that stands up to both routine and high-sensitivity shipments, reducing the risk of physical or chemical degradation during transit. While these steps increase operational involvement, they drive higher consistency and user satisfaction—something our competitors acting only as intermediaries rarely replicate with the same agility or technical input.

    Challenges and How Experience Solves Them

    Supplying boronic acids at high scale is often unpredictable. One challenge lies in the fluctuating purity of starting materials, especially with pyridine derivatives imported from global markets. By keeping raw materials under our direct controls, with inspections and batch retention, we remove much of that volatility. We follow up any batch failures or non-conformities with root-cause investigations—involving both production and analytical chemists—rather than passively substituting out-of-spec materials.

    Moisture remains another recurring barrier. Many of our customers operate in humid environments or may lack controlled storage on receipt. From years of shipping to varied climates, we reinforced our packaging and include recommendations drawn from direct case studies. Continuous dialogue with clients who provide storage and handling feedback—especially under challenging monsoon or arid desert conditions—feeds into our own process improvements. In-house drying and monitoring prevent product issues before transit, cutting down on returns and delays.

    Scalability weighs heavily on process chemists at both ends of the supply chain. Factoring in real-world behavior of boronic acids in different solvents and concentrations takes repeat testing under plant-like conditions. Our plant engineers co-design scale-up trials with anchor customers, reducing the blind spots common to products sourced from non-manufacturing intermediaries. In practice, a direct connection between lab results and kilo-to-ton output supports better predictions for filtration, recrystallization, and purification. This approach leads to fewer surprises and creates room for innovation, rather than endless troubleshooting.

    The Value of True Process Transparency

    As the originator of the batches, we keep comprehensive logs and analytical records for all campaigns. Regular audits, both internal and external, push our teams to meet or exceed industry standards. Straightforward communication with our partners builds trust—not with glossy brochures, but with measured results. Every product complaint or performance concern traces back through batch data that our own technical group can access, not scattered files from a string of traders.

    Continuous technical education also helps. We invest in on-site training that incorporates feedback from customers handling the material at scale. This allows our operation to anticipate common pitfalls in storage, handling, and application that cannot be understood from a theoretical standpoint. Unfiltered input from users feeding analytical trends, storage behavior, and on-site handling into our own SOPs closes the loop for everyone involved.

    Moving Forward Together

    Product innovation seldom happens in a vacuum. Most advances in the quality and reliability of 2,5-Dichloropyridine-4-boronic acid have come out of ongoing exchanges with real users—synthetic project chemists, formulation researchers, QC specialists, and logistics planners. Listening to their exact requirements, learning where former suppliers fell short, and restructuring our own response, we maintain the flexibility to adapt without sacrificing standards. Regular quality surveys, on-site discussions, and in-lab sample evaluations create active ties with our customers. These aren’t afterthoughts—they shape every pillar of our process.

    Collaboration among departments, from synthesis to testing and dispatch, prevents knowledge silos and builds a broader skill set throughout our business. Sharing process insight informs each year’s improvements in both product consistency and documentation, ensuring that information exchanged with our clients is always rooted in real manufacturing data and lived experience.

    Supporting Real-World Success

    In the end, reliability comes from knowing the product all the way through its life cycle. Each drum of 2,5-Dichloropyridine-4-boronic acid we supply represents the culmination of many iterative process improvements, each inspired by challenges on the ground. By keeping track of composition, stability, and practical handling, we serve clients who need answers that go beyond what’s listed on a website or a data sheet. We continuously refine our process by talking directly with users—adjusting granulation or integrating new analytical checkpoints based on hands-on feedback, not theory alone. This means more predictable outcomes for those working on tight timelines or developing new routes to complex targets.