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3-Bromo-6-Chloro-2-Methylpyridine

    • Product Name 3-Bromo-6-Chloro-2-Methylpyridine
    • Alias 3-Bromo-6-chloro-2-picoline
    • Einecs 629-642-9
    • 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

    132772

    Productname 3-Bromo-6-Chloro-2-Methylpyridine
    Casnumber 112809-63-9
    Molecularformula C6H5BrClN
    Molecularweight 206.47
    Appearance White to light yellow solid
    Purity Typically ≥98%
    Meltingpoint 40-43°C
    Density 1.67 g/cm³ (estimated)
    Solubility Soluble in organic solvents such as DMSO and methanol
    Smiles CC1=NC=C(Br)C(Cl)=C1
    Inchi InChI=1S/C6H5BrClN/c1-4-2-5(7)6(8)3-9-4/h2-3H,1H3
    Storagecondition Store in a cool, dry place, protect from light
    Synonyms 2-Methyl-3-bromo-6-chloropyridine

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

    Packing & Storage
    Packing Amber glass bottle, sealed cap, labeled “3-Bromo-6-Chloro-2-Methylpyridine, 25g,” hazard symbols, handling instructions, and lot number.
    Shipping **Shipping Description:** 3-Bromo-6-Chloro-2-Methylpyridine is shipped in tightly sealed, chemical-resistant containers to prevent leaks and contamination. It is transported according to relevant hazardous material regulations, typically under cool, dry conditions, with appropriate labeling and documentation. Handling precautions and protective equipment are required during shipping to ensure safe and compliant transit.
    Storage **Storage for 3-Bromo-6-Chloro-2-Methylpyridine:** Store in a tightly closed, clearly labeled container in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and incompatible materials such as strong oxidizing agents. Keep away from moisture and ignition sources. Use secondary containment and ensure access is limited to trained personnel. Follow all relevant safety and regulatory guidelines.
    Application of 3-Bromo-6-Chloro-2-Methylpyridine

    Applications of 3-Bromo-6-Chloro-2-Methylpyridine in Industrial Manufacturing

    3-Bromo-6-Chloro-2-Methylpyridine serves as a precision intermediate in several high-value industries, contributing unique structural features to various advanced chemistry applications. Below, we outline its integration in specific downstream production fields, referencing recognized sector standards, controlled addition levels, technical process routes, and the resulting product categories.

    1. Synthesis of Agrochemical Active Ingredients

    Leading agrochemical manufacturers incorporate 3-Bromo-6-Chloro-2-Methylpyridine as a key halogenated pyridine building block when constructing selective herbicide and insecticide actives. The material’s role in modulating bioactive sites enables the synthesis of target-specific molecules, especially in pyridine-based crop protection agents, while adhering to sector-specific regulatory demands during scale-up and registration workflows.

    Industry compliance standards

    • FAO/WHO specifications for pesticide technical materials
    • EU Regulation (EC) No 1107/2009 for plant protection products
    • U.S. EPA 40 CFR Part 158 - Data Requirements for Pesticides
    • REACH Regulation (EC) No 1907/2006 for precursor registration

    Typical usage ratio

    • 5–15% w/w of total synthetic batch; adjusted according to target molecule complexity and desired halogen position incorporation

    Downstream process integration

    • Integrated at the early-stage alkylation or coupling step, forming the pyridine core prior to final functional group introduction via chlorination, bromination, or side chain modification

    Final product types

    • Pyridine-derived herbicide technical concentrates
    • Halogenated insecticide actives (e.g., neonicotinoid analogs)
    • Agrochemical intermediates for further downstream synthesis

    2. Pharmaceutical Intermediate for Anti-Infective APIs

    In pharmaceutical route development, 3-Bromo-6-Chloro-2-Methylpyridine acts as a core intermediate in the stepwise synthesis of key pyridine-based anti-infective active pharmaceutical ingredients (APIs). Its precise halogen substitution supports the construction of heterocyclic scaffolds with potent antimicrobial properties, with strict adherence to drug manufacturing and impurity control standards throughout the process chain.

    Industry compliance standards

    • cGMP (ICH Q7) for active pharmaceutical ingredient manufacturing
    • USP/NF and Ph. Eur. monographs on residual solvents and impurities
    • FDA DMF (Drug Master File) submission requirements
    • Chinese Pharmacopoeia ChP for chemical drug intermediates

    Typical usage ratio

    • 12–30% w/w of total intermediate stage, determined by API route design and coupling efficiency

    Downstream process integration

    • Introduced at the heterocycle assembly or halide-coupling step; multi-step transformations include Suzuki coupling, amination, and further functionalization to finalize the API core

    Final product types

    • Anti-tubercular drugs (e.g. pyridine-containing compounds)
    • Antibacterial agents using halogenated pyridine scaffolds
    • Contract-manufactured pharma intermediates for global originators

    3. Manufacture of Advanced Display Materials

    Specialty electronic material producers rely on 3-Bromo-6-Chloro-2-Methylpyridine as a starting material to synthesize specific pyridine-based ligands or spacers used in liquid crystal and OLED formulations. Its reactivity profile enables the creation of distinct optoelectronic compounds with required physicochemical stability, aligning with rigorous electronics-grade purity and industry standards.

    Industry compliance standards

    • IPC-5704: Cleanliness Requirements for Unpopulated Printed Boards
    • RoHS Directive 2011/65/EU compliance for precursor substances
    • IEC 62321-7-1 content analysis for halogenated substances
    • ISO 9001:2015 for Quality Management in Electronic Chemical Production

    Typical usage ratio

    • 1–7% w/w in specialty batch processes; proportion determined by emission spectrum and charge transport requirements in end-use panel design

    Downstream process integration

    • Inserted at advanced organic synthesis stage before final ligand derivatization; typically contributes halogenation patterning to liquid crystal or OLED molecular frameworks

    Final product types

    • Liquid crystal display (LCD) alignment materials
    • OLED emitter and electron-transporting compounds
    • Pyridine-based optoelectronic building blocks

    4. Intermediate in Veterinary Drug Formulation

    Animal health manufacturers employ 3-Bromo-6-Chloro-2-Methylpyridine as a defined intermediate in the development of pyridine-derived veterinary actives. Its specific substitution pattern supports synthesis of molecules with species-specific safety profiles, meeting both international veterinary pharmacopoeia requirements and stringent residue control in food-producing animals.

    Industry compliance standards

    • VICH GL3: Stability Testing of New Veterinary Drug Substances
    • European Pharmacopoeia: Section 5.2 Veterinary drugs
    • US FDA Guidance for Veterinary Drug Residues
    • ISO 22716:2007 Cosmetic GMP for topical veterinary preparations, when relevant

    Typical usage ratio

    • 6–18% w/w intermediate content, optimized in correlation with targeted molecule and batch scale requirements

    Downstream process integration

    • Engaged during the stepwise assembly of pyridine-based active intermediates, often via cross-coupling and subsequent functional group modification to match specific pharmacokinetic and safety endpoints

    Final product types

    • Veterinary antimicrobial APIs
    • Endectocide intermediates
    • Active ingredient packages for oral or injectable dosage forms

    5. Building Block for Specialty Polymer Additives

    Polymer additive formulators utilize 3-Bromo-6-Chloro-2-Methylpyridine as a functionalized precursor for synthesizing halogenated pyridine segments, which get incorporated into polymer backbones or side chains to achieve enhanced flame retardancy or chemical resistance profiles. Select applications require consistent halogen loading while meeting international environmental and chemical restriction standards throughout fabrication and downstream processing.

    Industry compliance standards

    • UL 94 Flammability Standard for Plastic Materials
    • REACH Annex XVII—Restriction on certain hazardous substances
    • RoHS 3.0 compliance (EU 2015/863 for electronics plastics)
    • ISO 14001:2015 Environmental Management for manufacturers

    Typical usage ratio

    • 3–10% w/w as monomeric additive content; variation based on target polymer structure and desired fire performance

    Downstream process integration

    • Utilized in the pre-polymerization stage to introduce halogenated pyridine moieties, followed by bulk or solution polymerization for additive incorporation

    Final product types

    • Halogenated flame retardant masterbatches
    • Specialty engineering plastics with enhanced chemical stability
    • Polymer-based electronic encapsulants
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    Certification & Compliance
    More Introduction

    Introducing 3-Bromo-6-Chloro-2-Methylpyridine: Insights from the Production Floor

    The Core of Production: What We See in 3-Bromo-6-Chloro-2-Methylpyridine

    As a chemical manufacturer working every day to transform raw materials into reliable intermediates, I spend a lot of time up close with 3-Bromo-6-Chloro-2-Methylpyridine. Our crew knows its model inside and out. From the moment precursor pyridines come off the reactor train, our focus turns to purity, yield, and consistency. The batch process we run produces a pale, crystalline solid—clean lines, minimal dusting, and easy handling for our operators.

    We’ve tailored our models so that downstream users in the pharmaceutical, agrochemical, and specialty chemical sectors get what they need without fuss. Our standard batch size hits the sweet spot for pilot plant scale-ups and regular commercial runs—large enough to drive down cost-per-kilogram, yet manageable for custom tweaks. Over years of iterative improvements, our team has shaved loss rates at every stage, particularly during the bromination and chlorination steps. We recognize fine distinctions in reactivity, not just on paper, but right there with wrenches and sample scoops in hand.

    The Chemistry in Practice: Real-World Performance Matters

    On paper, 3-Bromo-6-Chloro-2-Methylpyridine might look similar to other multi-substituted pyridines, but in practice, the differences are sharp. The combination of the bromine at the third position, chlorine at the sixth, and methyl at the second creates a structure that responds predictably during further substitutions and couplings. Those who work with cross-coupling chemistry like Suzuki or Buchwald-Hartwig recognize that every extra substituent shifts the balance—sometimes kicking off di- or tri-functionalization, other times steering reactions down costly blind alleys.

    Compared with simpler halopyridines, this derivative delivers better control in multi-step syntheses. Process chemists appreciate that, because margins rarely grow—they shrink—and every failed reaction wastes precious feedstock. Many of our customers originally worked with basic 3-bromopyridine or even plain 2-methylpyridine, struggling to introduce ortho- and para-substituents later. That required more steps, harsher reagents, and lower overall yield. By mastering the sequence with both bromine and chlorine already installed, our material shortcuts headaches on the customer’s end. Our internal data shows increased throughput and reduced purification time when partners choose ready-substituted intermediates like ours.

    Physical Properties and Their Real Impact on the Shop Floor

    Every gram of our 3-Bromo-6-Chloro-2-Methylpyridine exits filtration with a uniform appearance. The crystalline habit is more than cosmetic—it influences flow in feeders, filling rates in bagging lines, and even how long it takes to dissolve in typical solvents like toluene or acetonitrile. Granule size distribution is a daily discussion here. Operators can spot variance that never shows up on a tidy certificate of analysis. Once, during a particularly humid month, we tracked a subtle caking issue back to a shift in cooling rates. Adjusting process water temperature brought us back on track, which tells you just how closely we monitor every batch.

    Melting point and residual solvent content matter in practice. We keep impurities low by controlling every detail—from supplier vetting for our bromine and chloride reagents, through routine monitoring of reactor linings, to frequent instrument calibration for our GC and HPLC systems. Impurities sneak in during scale-up if a plant isn’t diligent about cleaning or proper drying; even trace water can decompose the molecule or spoil downstream catalysts. We run product through a double crystallization, then vacuum drying, before any leaves our gates.

    Comparing with Other Pyridines: Chemical Handling, Versatility, and Yield

    There’s no one-size-fits-all substitute for 3-Bromo-6-Chloro-2-Methylpyridine when specialty manufacturers face strict specifications in their synthetic routes. From my years consulting with R&D partners, I’ve seen them try to save cost by adapting cheaper halopyridines. That works until a late-stage coupling fails or tars up their reactors. Our material, with its precise substitution pattern, solves this by being truly “plug-and-play” in the synthesis of targeted molecules—whether those are kinase inhibitors, crop protection agents, or custom-designed dyes.

    In contrast, single-halogen pyridines demand extra steps and often bring more stringent waste treatment requirements. The chlorine at the sixth position, for instance, resists nucleophilic displacement, which can be leveraged to block unwanted side-reactions. As chemists push for more sustainable processes, having both halogens in position allows for selectivity using milder, greener reagents. Swapping out this intermediate for another means higher energy consumption, more solvents, and potentially more byproduct disposal—all pressure points for those of us trying to meet modern environmental standards as well as shifting regulatory limits.

    Sourcing and Traceability: How Our Team Delivers Reliability

    Supply chain transparency starts in our own warehouse. We handle all sourcing ourselves—never through agents or shadow sourcing—allowing us to spot consistency problems right at intake. For 3-Bromo-6-Chloro-2-Methylpyridine, every chemical input carries a unique tracking label. If a single drum of anhydrous methyl chloride arrives below spec, we return it and recalibrate. Our quality assurance staff keep records stretching back several years, so we can trace any anomaly in finished product to exact batches and supplier lots.

    On-site manufacturing means we can support custom specifications for those who need extra purity or worry about trace metals for sensitive pharmaceutical syntheses. We keep flexibility close to hand—never outsourcing critical stages. Our labs, not a subcontractor’s, perform the analytical work. That personal grip on every kilogram leaving the gate means end-users get real reassurance, backed up by detailed batch reports and, if needed, sample retention for long-term review.

    Sustainability Pressures and Real-World Environmental Responsibility

    Active chemical sites are always under scrutiny for waste minimization and emissions. We took steps years ago to curb halogenated solvent waste, reconfiguring the workup to recover and purify spent solvents like toluene for reuse. Even the caustic wash solutions get neutralized, filtered, and separately processed. For 3-Bromo-6-Chloro-2-Methylpyridine, our closed-system reactors and off-gas scrubbers cut fugitive emissions well below regional regulatory limits. This wasn’t always standard practice, but costs and penalties for non-compliance have climbed year on year.

    Some users want documentation down to the carbon footprint of each batch. We welcome that scrutiny, since we regularly audit our own processes for energy use and process water. The feedback loop between operators, engineering, and environmental compliance hasn’t always been seamless, but frequent line meetings and a culture of accountability make sure everyone knows why it matters. That atmosphere fosters improvement—when an operator suggests a tweak that cuts a process step or switches to a less hazardous base, we run trials fast and scale up the idea as soon as it's proven.

    Regulatory expectations change faster than chemical catalogs. We stay ahead by tracking not just REACH and TSCA compliance but the shifting hazard classifications many countries assign to brominated or chlorinated intermediates. Our team maintains up-to-date data for SDS preparation, labeling, and trace residue reports, because we know our customers could be the target of audits or client investigations. No matter how the regulatory landscape evolves, our facility stands ready for detailed inspections—a reality our core staff faces without extra prep or empty PR gestures.

    The Value of Deep Experience: Building Knowledge Through Hands-On Manufacturing

    Years on a chemical plant floor teach lessons no textbook ever covers. We’ve seen demand for 3-Bromo-6-Chloro-2-Methylpyridine swing sharply, sometimes at the last minute, as research projects shift focus or as customers react to global disruptions. Flexing production in response doesn’t just require bigger tanks or more shifts, but also an ingrained knack for troubleshooting. A good batch means knowing each signal from the plant: condenser knock, telltale gas evolution, even the sound of agitation.

    The harder challenge is predicting the subtle ways that intermediate impurities could matter to distant users. During one tech transfer, a pharma client traced API discoloration to trace levels of a specific brominated side-product. We pored through line logs and ran repeated analytical passes, eventually retuning our bromine-feed rates and stripping conditions to bring the contaminant below detectable limits. That willingness to listen and adapt saved their project—and strengthened our commitment to detail.

    People new to the chemical sector sometimes imagine a clean, digital process where every variable is pre-programmed. Our reality relies on experienced hands correcting imbalances the moment they appear. Whether it’s a leaking flange or an unexpected exotherm, our operators embody decades of composite experience—alert, practical, and exacting with every protocol.

    End-User Applications: Seeing the Material Beyond the Warehouse

    For pharmaceutical integrators, having a pyridine core already bearing both bromine and chlorine opens the door to precision synthesis. Medicinal chemists use this intermediate as a foundation for constructing kinase inhibitors, antibacterial scaffolds, and experimental antivirals. Instead of wrestling with unpredictable halogenations mid-stream, they get time spared for SAR studies or scale-up validations. Several of our long-term partners have shared details—never confidential, but insightful enough—that production downtime on their own end shrank after switching to our pre-substituted pyridines.

    Agrochemical formulators appreciate the differential reactivity: the methyl on position two provides necessary hydrophobicity, helping new fungicides and herbicides remain stable in outdoor environments. Several projects have built libraries of candidates by leveraging both aromatic halides for subsequent cross-coupling, inserting novel pharmacophores in a modular fashion. Sophistication in crop protection chemistry has surged over the last decade. Materials like ours mean fewer variable reaction steps, more predictable formulation work, and, ultimately, fewer field failures.

    Specialty manufacturers in electronics and advanced polymer sectors see value too. Aromatic halogenation enables the creation of new ligands, catalysts, and even pigments. Reliability in our intermediate means less charge loss or degradation in final products. The range of uses keeps evolving, as more research teams hunt for low-cost entry points to tailor-make functionalized heterocycles.

    Cost Structures and Total Value: Beyond a Price List

    People often look for the lowest unit price and hope for the best. We caution every partner to consider the total cost of ownership. Product lost to failed reactions, waste remediation, and process downtime stacks up faster than an incremental premium per kilogram. Detailed analysis of customer feedback shows that working with a well-characterized, reliably supplied intermediate increases project success rates. One trial gone wrong due to trace impurity can put a whole campaign off-schedule.

    By investing in robust process control, on-site analytics, and proactive QA, we keep probability of project delays to a minimum. That may not translate to the rock-bottom price per drum, but the reduced operating headache, avoidance of technical gaps, and confidence in troubleshooting elevate the value partners see. Our team knows exactly where hidden costs appear down the line, and we've built every process adjustment with those experiences in mind.

    Challenges and Solutions We Face on the Plant Floor

    Consistent production of 3-Bromo-6-Chloro-2-Methylpyridine doesn’t come easy. Fluctuations in raw material markets, utility interruptions, or equipment breakdowns challenge every batch. Instead of carrying on with business as usual or passing issues down the chain, we believe in full transparency throughout the supply process. Frequent upgrades to pumps, sensors, safety reliefs, and digital monitoring integrate layers of redundancy—so a single valve problem doesn’t shut a line for hours or days.

    One major improvement came by shifting to continuous-feed systems for core reactants. Day-to-day, that change improved both worker safety and product reproducibility. Our senior operators train every new hire not just on how, but also why our protocols stay so tight. We meet every Monday for shift reviews, discussing everything from last week’s process hiccups to upcoming order deadlines. This level of daily communication merges know-how across disciplines—process, safety, logistics, maintenance—into every shipment of 3-Bromo-6-Chloro-2-Methylpyridine we deliver.

    In years gone by, some intermediate manufacturers ran lines until off-spec product forced a full shutdown. We learned that small, regular interventions save not only the next batch, but also goodwill among end users. As more customers implement real-time incoming goods inspection, even minor suspensions, solvent residue, or particle size anomalies can raise flags. Monitoring and maintenance cost time and money, but over the long run, both reinforce trust and keep our operation competitive.

    Looking Forward: Keeping Pace with Innovation and Change

    For all the investment in R&D, new intermediates don’t always replace stalwarts like 3-Bromo-6-Chloro-2-Methylpyridine. It provides a rugged platform for chemists pushing boundaries in synthesis. Our role as manufacturer brings constant evolution. We field requests for custom derivative batches—sometimes for higher purity, other times for material characterized by mass spec or even chiral purity. Our plants pivot to these requests quickly, drawing on a stock of precursor chemicals and an understanding built from hundreds of previous runs.

    Investing in the right equipment pays off. Our vacuum distillation trains, chromatography units, and environmental controls were built not just to check boxes but to provide real responsiveness. Frequently, users in emerging segments—battery chemistry, catalyst development, or even OLED design—approach us for analogs with substituted methyl groups or different halide patterns. Flexibility in design and execution lets us address those trends without subjecting clients to slow bureaucratic change.

    Why True Manufacturing Depth Matters

    From this vantage, direct manufacturing offers benefits traders cannot match. We see the batches in person, face hiccups in reactor scale-up, and balance years of hands-on operator skill with modern automation. Our work creates the foundation for projects that span the globe—a reliability built on thousands of logged test results, plant upgrades, and open communication. Whether users are developing the next treatment for bacterial infections or seeking safer crop protection, 3-Bromo-6-Chloro-2-Methylpyridine sourced directly from experienced hands delivers what laboratories and large-scale plants both need: predictability, adaptability, and confidence that every shipment reflects a culture of total commitment to quality and improvement.