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5-Bromo-2-Nitropyridine

    • Product Name 5-Bromo-2-Nitropyridine
    • Alias 5-Bromo-2-nitropyridine
    • Einecs 238-951-1
    • 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
    VTB
    Specifications

    HS Code

    864571

    Product Name 5-Bromo-2-Nitropyridine
    Cas Number 4487-59-6
    Molecular Formula C5H3BrN2O2
    Molecular Weight 202.99 g/mol
    Appearance Light yellow to beige solid
    Melting Point 81-85°C
    Density 1.84 g/cm³ (approximate)
    Solubility Slightly soluble in water, soluble in organic solvents such as DMSO and DMF
    Purity Typically ≥98%
    Smiles C1=CC(=NC=C1Br)[N+](=O)[O-]
    Inchi InChI=1S/C5H3BrN2O2/c6-4-1-2-5(8(9)10)7-3-4/h1-3H
    Storage Temperature Store at room temperature, keep container tightly closed
    Hazard Class Irritant

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

    Packing & Storage
    Packing 5-Bromo-2-Nitropyridine, 25g, is supplied in a sealed amber glass bottle, labeled with hazard symbols and product details.
    Shipping 5-Bromo-2-nitropyridine is shipped in tightly sealed containers, protected from light and moisture. It is classified as a hazardous chemical and packaged according to international transport regulations. The shipment includes proper labeling, documentation, and handling instructions to ensure safety and compliance with local, national, and international shipping standards.
    Storage 5-Bromo-2-nitropyridine should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from sources of ignition, heat, and direct sunlight. Keep the chemical separate from incompatible substances like strong oxidizing or reducing agents. Avoid moisture and store at room temperature or as recommended by the manufacturer’s safety data sheet (SDS).
    Application of 5-Bromo-2-Nitropyridine

    Applications of 5-Bromo-2-Nitropyridine in Industrial Manufacturing

    5-Bromo-2-Nitropyridine is an essential intermediate for multiple downstream industries targeting specialty chemical and pharmaceutical production. As a manufacturer, we supply this compound to clients with demanding technical requirements for high-purity pyridine derivatives in regulated applications. Below are specific industrial segments utilizing 5-Bromo-2-Nitropyridine in their manufacturing workflows.

    1. Pharmaceutical API Intermediate Synthesis

    Pharmaceutical companies incorporate 5-Bromo-2-Nitropyridine in the synthesis of advanced intermediates for targeted small-molecule drug substances, especially those based on substituted pyridine scaffolds. Its bromine and nitro functionality provide selective activation points for further Suzuki or Buchwald-Hartwig cross-coupling, as well as nucleophilic aromatic substitutions, enabling the assembly of complex heterocycles. Our material is mainly used in the early stages of multi-step API syntheses where consistent purity and trace impurity control are critical to downstream GMP compliance and regulatory submissions.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • 21 CFR Part 211 (US FDA cGMP for Finished Pharmaceuticals)
    • EU GMP Part II (Active Substances)
    • Pharmacopeias: USP, EP, JP standards for relevant APIs

    Typical usage ratio

    • Applied at 0.8–1.3 molar equivalents for key intermediate formation (batch scale: 5–150 kg); Adjustment based on target molecule and route yield optimization

    Downstream process integration

    • Charged to initial condensation or coupling reactors under inert atmosphere
    • Reaction mixtures controlled for water/solvent content and residual bromine content
    • Intermediate purification via crystallization or phase extraction
    • Followed by catalytic hydrogenation or halide substitution depending on route

    Final product types

    • Pharmaceutical active ingredients with pyridine substructures (antivirals, oncology drugs, CNS modulators)
    • GMP-grade intermediates exported for late-stage process chemistry
    • Regulated fine chemicals for contract manufacturing organizations (CMOs)

    2. Agrochemical Active Ingredient Manufacturing

    Major agrochemical producers utilize 5-Bromo-2-Nitropyridine as a building block for the synthesis of selective herbicide and fungicide actives. Its use enables the construction of pyridyl-containing pesticide molecules through substitution, reduction, and cyclization processes. Industrial production requires large-volume, continuous-feed reactors and strict process controls to avoid genotoxic impurities. Traceability and batch record-keeping remain essential for global crop protection product registrations and stewardship programs.

    Industry compliance standards

    • FAO/WHO Specification for Pesticides
    • ISO 9001:2015 Quality Management Systems
    • REACH Regulation (EC) No 1907/2006 for substance registration in Europe
    • OECD Good Laboratory Practice (GLP) for supporting studies

    Typical usage ratio

    • Feeds at 1.0–1.6 equivalents per synthesis cycle depending on pesticide target; Scale ranges from 50 kg to several metric tons per batch

    Downstream process integration

    • Pyridine ring functionalization for base structure formation
    • Nitro group reduction or displacement during core building steps
    • Interfaced directly with multi-purpose reactors in block or continuous process layouts
    • Waste and by-product streams are pre-treated for environmental control

    Final product types

    • Formulated herbicides containing pyridine derivatives
    • Fungicidal active ingredients for seed treatment
    • Intermediate compounds for 3rd-party contract manufacturing

    3. Electronic Chemicals for Liquid Crystal Alignment Materials

    Advanced electronics manufacturers select 5-Bromo-2-Nitropyridine for incorporating into alignment layers used in thin-film transistor (TFT) LCD applications. The nitro- and bromo-functionalized pyridine motif allows precise construction of anchoring molecules that impart uniform alignment properties to liquid crystal displays. Strict batch-to-batch reproducibility and metal ion control are essential, as trace contaminants could impair device performance. Our product supports high-throughput, precision coatings in cleanroom environments.

    Industry compliance standards

    • IEC 61249-2-21 for halogen-free electronic chemicals
    • RoHS Directive 2011/65/EU on Restricted Substances
    • ISO 9001:2015 electronic materials quality assurance
    • Customer-specific panel and display qualification protocols

    Typical usage ratio

    • 1–5% by mass in formulated alignment layers; concentration adjusted for target pretilt angle and viscosity profile

    Downstream process integration

    • Integrated in monomer synthesis for LC alignment coatings
    • Dissolved and filtered for contaminant removal prior to film deposition
    • Applied via inkjet or spin-coating in controlled atmospheres

    Final product types

    • Polyimide-based liquid crystal alignment layers
    • LCD/LED display panels for IT and automotive
    • Flexible and rigid thin-film devices

    4. Specialty Dye and Pigment Intermediate Manufacturing

    Colorant and dye producers leverage 5-Bromo-2-Nitropyridine in synthesizing high-performance heterocyclic azo and metal complex dyes, required in high-value textile and industrial coatings. The electron-withdrawing nitro substituent enables selective coupling to aromatic amines, while the bromo group acts as a versatile handle for further functionalization by substitution or palladium-catalyzed cross-coupling. Full traceability and impurity profiling ensure that downstream products meet textile OEKO-TEX and industrial eco-labels.

    Industry compliance standards

    • OEKO-TEX Standard 100 for textile chemicals
    • ZDHC Manufacturing Restricted Substances List (MRSL)
    • REACH compliance for azo pigment usage (Annex XVII)
    • ISO 14001:2015 Environmental Management System

    Typical usage ratio

    • Implemented at 0.5–1.2 molar equivalents in coupling reactions; adjusted for pigment shade depth and lot size, typically 10–500 kg batches

    Downstream process integration

    • Condensation or azo coupling stages for colorant precursor synthesis
    • Followed by metallization, sulfonation, or purification via chromatography
    • Analytical purity checks for residual nitro and bromo compounds

    Final product types

    • Azo and heterocyclic dyes for polyester and nylon textiles
    • High-stability pigments for automotive and industrial paints
    • Color concentrates for plastics and fiber applications
    Free Quote

    Competitive 5-Bromo-2-Nitropyridine prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

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    Certification & Compliance
    More Introduction

    Introducing Our 5-Bromo-2-Nitropyridine: A Manufacturer's Perspective

    Hands-On Experience in the Making

    Anyone who’s worked on synthesizing substituted pyridines in the lab knows the importance of both purity and batch-to-batch consistency. Our team produces 5-Bromo-2-Nitropyridine in-house, using refined halogenation and nitration methods developed over years of hands-on experience. The raw materials come straight from trusted suppliers, checked by our own QC standards before any chemistry starts. Every step, from the initial feedstocks to the last washing of crystals, stays under our direct control—there’s no room for guesswork or relying on third-party reports.

    Model and Specifications: Facts from Our Factory, Not Guesswork

    We manufacture 5-Bromo-2-Nitropyridine with a focus on crystallinity, purity, and precise control over impurity profiles. Our most common model meets industry requirements for pharmaceutical intermediates: assay >99.0% (by HPLC), moisture content <0.5%, with consistent appearance as a pale yellow, free-flowing crystalline powder. Melting point falls reliably within a narrow range, typically 76-79°C, showing clear phase change without decomposition.

    Each production run follows standardized, documented protocols. We analyze not only for main component purity but also for known byproducts such as 2-nitropyridine and 5-bromopyridine, keeping individual impurity levels below 0.2%. We run every batch through GC and HPLC, and keep reference spectra. Instead of just sending out a product that “looks right,” we certify it by verifying COA data in our own lab, never out-sourcing any core testing.

    Direct Use Cases: Where Science Meets Application

    Colleagues in medicinal chemistry, agrochemicals, and advanced material science regularly use our 5-Bromo-2-Nitropyridine for N-heterocyclic coupling and functional group transformations. In the pharmaceutical world, this pyridine derivative often acts as a key step for building more elaborate scaffolds through Suzuki-Miyaura cross-couplings, creating new C–N or C–C bonds required in heterocycle-rich drug candidates.

    Custom synthesis teams appreciate this reagent for its reliability under scale-up conditions. The nitro and bromo functional groups allow selective transformations—our product stands up to strong bases without excessive decomposition and enables precise control in palladium-catalyzed reactions. Researchers also apply it in agricultural R&D, especially for tailored fungicides and insecticide candidates where control over regioisomeric purity matters.

    Product Differences: What Sets Ours Apart on the Bench

    The market offers many “pyridines” that look similar at first glance, but in a synthetic lab, details make the difference. As actual producers, we address these details head-on. Take moisture: many externally sourced materials arrive caked or showing signs of clumping, making them hard to weigh out or dissolve. Our drying and packaging processes use nitrogen protection, keeping the powder flowable for easy handling.

    We’ve found that certain trace metal contaminants—often a result of rough catalyst recovery or poor vessel cleaning—can compromise cross-coupling results. To tackle this, our facility implements extra filtration and post-reaction washing, followed by ICP-MS checks for heavy metals like palladium and copper. This drives down contamination well below commonly published thresholds, minimizing surprise side reactions downstream.

    Some suppliers repack bulk goods or blend from multiple sources. This mixture can create invisible quality shifts between lots. We only release single-lot material, never mixing batches, so customers get consistent melting profiles, reactivity, and solubility time after time. Years of field feedback, including direct reports from process chemists scaling from grams to tens of kilograms, fed into fine-tuning our process.

    Production Realities: Scaling Up Without Compromising Quality

    Large-scale synthesis poses different challenges than benchtop batches. Reagents degrade with time, solvents pick up impurities, and minor tweaks in stirring or addition rates can change outcomes in measurable ways. In our experience, maintaining the same output specifications across tens of kilograms is no small feat. Our process engineers review each scale-up, tweaking protocols to accommodate differences in reactor size, heat transfer rates, and mixing efficiency.

    Batch documentation doesn’t just tick boxes—operators record observations in real time. If a color change, odor, or gas evolution seems off, the batch is flagged and held for review. This attention allows us to isolate early batches with potential deviations, minimizing failed reactions at customer sites and protecting their downstream projects.

    We don’t just rely on process validation: spot-checks and additional holds account for the natural variability of chemical manufacturing environments. Analytical chemists in our team actively consult with customers who report unexpected results, reviewing raw data together and offering honest support—no script, no runaround.

    Supporting Innovation Through Direct Dialogue

    Pharmaceutical and agrochemical research won’t stand still, so neither can our product. We keep close communication lines open with users, from research chemists setting up micro-scale tests all the way to plant engineers taking the jump to pilot scale. Their input guides improvements: sometimes, the request is for finer particle size for faster dissolution; elsewhere, a chemist needs lower trace water for moisture-sensitive coupling.

    As direct manufacturers, we have the flexibility to tune our process. We adjust drying cycles, filtration types, and packaging conditions—not to meet some arbitrary marketing trend, but because a customer’s synthesis demands it. Over time, this leads to tight reproducibility, smaller process windows, and clearer data—giving those users the freedom to optimize their own routes rather than back-adjust for reagent inconsistencies.

    Supply Consistency: Adapting to Raw Material and Market Pressures

    There’s no denying that raw material sources occasionally become unpredictable, especially as global supply chains shift. For our 5-Bromo-2-Nitropyridine, we built up internal inventory buffers for key intermediates, even if it means higher storage costs. Our sourcing team stays alert to changes in customs, logistics, or manufacturer shutdowns. This helps us absorb shocks before they ripple outward to the customer.

    Quality can slip in the market when supply tightens—sometimes you see more off-grade material as basic checks get skipped under pressure. Our team redoubles batch QA during these periods, tightening release criteria rather than cutting corners. From an insider’s perspective, holding our own bar high is the only way to keep trust. Overproduction rarely compensates for a single batch gone wrong when a customer’s project is on the line.

    Environmental and Safety Considerations During Manufacture

    Every manufacturer faces scrutiny over environmental controls, especially when dealing with halogenated or nitrated compounds. In our own experience, the most practical improvements came not from adopting the latest gadget, but by thoroughly mapping out the reaction pathway, optimizing stoichiometry, and maximizing recovery at each step. By fine-tuning process water management and upgrading vent scrubbing systems, we significantly reduced halogen and nitrate effluent.

    Personnel safety goes hand in hand with product quality. Operators working in areas with nitro and brominated reagents receive targeted training on PPE, handling protocols, and emergency procedures. Real stories from shop floor engineers—like averted accidents or minor spills caught before escalation—influence safety measures way more than any written policy. These practical adjustments reduce downtime, keep our staff healthy, and ensure no batch faces contamination from avoidable sources.

    Regulatory Compliance and Traceability

    Certifications and audits serve as both benchmarks and motivators for us. Every drum or package leaving our facility carries not just a lot number, but a full traceability record going back to the earliest raw material. Regulators may require this tracking for pharmaceutical-related sales, but we treat it as common sense for every order.

    While some suppliers only meet minimum thresholds, we keep sample archives and raw data from every batch for far longer than the law requires. In our own experience, most troubleshooting can’t wait for a formal recall: chemists want facts now. Transparent data storage and readiness to review any outlier results make the difference between a quick solution and wasted weeks.

    Technical Support: Owning the Outcome

    Selling a fine chemical doesn’t end at shipment. Our technical support comes directly from the people who made the batch, not a remote call center. This brings real-world context—sometimes a scientist needs guidance on storage after opening, sometimes on troubleshooting a low-yielding coupling step. We discuss reaction scale, solvent choices, or even out-of-spec results openly.

    Product knowledge accumulates through honest dialogue. For example, process engineers once shared feedback that a slight yellowing during solvent removal led to minor UV-active byproducts—our team traced this back to increased ambient moisture and refined desiccation cycles in response. Because we handle this end-to-end, such lessons cycle directly back into the next lot, benefiting all customers.

    The Human and Technical Side of Reliable Supply

    Good chemistry companies don’t grow just by making promises—reputation lives and dies on product reliability. We field inquiries not only on our standard 5-Bromo-2-Nitropyridine but also on custom specifications: reduced particle size, special packaging, or multi-stage impurity profiles for more demanding synthetic targets.

    Instead of batch reselling or white-labeling, every order we fill comes from a process and a team we know intimately. This means we understand, firsthand, the frustration that comes when a reagent that “should have worked” doesn’t perform, and also the pride when dozens of kilos support a team moving closer to market launch. Our technical staff regularly revisits methods and releases internal process bulletins—offering insights, not disclaimers, so customers know exactly what they’ll get.

    Staying Responsive to Evolving Needs

    Lab science never stands still. We adapt by collaborating directly with R&D teams, process scale-up groups, and regulatory consultants. Whether it’s for craft scale chemistry or bulk commercial runs, we keep the lines of communication open. The chemical industry has no one-size-fits-all: different end users in pharma, crop science, or new functional material synthesis all push different boundaries. We don’t shy away from questions, whether it’s about solubility in a new green solvent, handling under stricter environmental controls, or compatibility with novel coupling agents.

    Our on-the-ground manufacturing perspective means adjustments can be made quickly. We produce smaller test packs for teams needing preliminary data and offer short lead times for custom requests, keeping research on track.

    Practical Challenges and Solutions from the Factory Floor

    Chemical manufacturing never goes exactly as design papers predict. Raw material variability, seasonal humidity, and even subtle shifts in utility quality (like city water composition) show up in real runs. We respond not with denial, but by keeping open logs and learning quickly. Mistakes happen, but the difference is in how they’re addressed: open investigations, rapid adjustments, and willingness to involve customers in the process. This openness builds mutual trust.

    We keep back-up lines and redundancy for critical purification steps, so a single equipment problem never halts supplies. For highly sensitive syntheses, we offer documentation beyond a standard COA, like side-by-side chromatograms or long-term stability data.

    A Chemist’s Reagent, Not a Commodity

    We see 5-Bromo-2-Nitropyridine not just as a catalog entry but as a cornerstone in building complex molecules. Every bottle or drum that leaves our site represents a chain of decisions—choice of equipment, adjustments after a failed run, listening to field chemists about what “really matters” under tough reaction conditions. We learn from every customer and every batch, closing the loop between our factory and the chemist’s flask.

    Collaboration for the Long Term

    Our relationship with research teams and process engineers extends years, not just orders. This long-term view means we’re invested in not only supplying a compound but helping projects succeed—because ultimately, the success of your synthesis reflects on ours too. This holds true whether you’re pursuing a method to improve catalytic selectivity, trying to minimize solvent waste, or scaling a breakthrough medicinal lead.

    In every step of manufacturing and delivery, first-hand experience and attention to the smallest details separate a reliable intermediate like 5-Bromo-2-Nitropyridine from just another bottle on the shelf. By speaking directly, drawing on factory-floor perspective, and company-wide experience, we commit to delivering not just a chemical—but the continued support, reliability, and partnership that keeps science moving forward.