|
HS Code |
427468 |
| Cas Number | 62532-44-7 |
| Molecular Formula | C6H5Br2N |
| Molecular Weight | 250.92 g/mol |
| Appearance | Light yellow to brown solid |
| Melting Point | 45-50°C |
| Boiling Point | 250-255°C (estimated) |
| Density | 1.98 g/cm³ (estimated) |
| Solubility In Water | Insoluble |
| Purity | Typically ≥98% |
| Synonyms | 2-Methyl-3,5-dibromopyridine |
| Smiles | CC1=NC=C(C(=C1)Br)Br |
| Inchi | InChI=1S/C6H5Br2N/c1-4-2-5(7)3-6(8)9-4/h2-3H,1H3 |
| Storage Conditions | Store at room temperature, keep container tightly closed |
| Hazard Statements | Irritant |
As an accredited 3,5-Dibromo-2-methylpyridine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 25-gram amber glass bottle, screw-capped, labeled "3,5-Dibromo-2-methylpyridine", hazard warnings, and supplier information. |
| Container Loading (20′ FCL) | For 3,5-Dibromo-2-methylpyridine, a 20′ FCL typically accommodates about 12–14 metric tons, packed securely in fiber drums. |
| Shipping | 3,5-Dibromo-2-methylpyridine is shipped in tightly sealed containers, protected from light, moisture, and incompatible materials. It is typically transported as a hazardous chemical according to international regulations (e.g., IATA, IMDG), with proper labeling and documentation. Ensure appropriate safety measures and use personal protective equipment when handling or transporting this substance. |
| Storage | **3,5-Dibromo-2-methylpyridine** should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from heat and incompatible substances such as strong oxidizers. Store it away from direct sunlight and moisture. Ensure access to appropriate spill containment and follow local regulations for handling hazardous chemicals. Proper labeling and secure storage are essential for safety. |
| Shelf Life | 3,5-Dibromo-2-methylpyridine has a typical shelf life of 2-3 years when stored cool, dry, and in tightly sealed containers. |
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Purity 98%: 3,5-Dibromo-2-methylpyridine with a purity of 98% is used in pharmaceutical intermediate synthesis, where it ensures high reaction yield and product consistency. Melting Point 65-68°C: 3,5-Dibromo-2-methylpyridine with a melting point of 65-68°C is used in organic synthesis processes, where it provides optimal handling and storage stability. Molecular Weight 251.95 g/mol: 3,5-Dibromo-2-methylpyridine with a molecular weight of 251.95 g/mol is used in heterocyclic compound development, where precise stoichiometric calculations are required. Stability Temperature up to 120°C: 3,5-Dibromo-2-methylpyridine stable up to 120°C is used in high-temperature coupling reactions, where it maintains structural integrity and reactivity. Particle Size <20 μm: 3,5-Dibromo-2-methylpyridine with particle size below 20 μm is used in catalyst preparation, where fine dispersion enhances reaction kinetics. Low Moisture Content <0.5%: 3,5-Dibromo-2-methylpyridine with moisture content less than 0.5% is used in moisture-sensitive reactions, where it prevents hydrolysis and unwanted side reactions. Analytical Grade: 3,5-Dibromo-2-methylpyridine of analytical grade is used in quality control laboratories, where its high purity ensures accurate analytical results. High Chemical Stability: 3,5-Dibromo-2-methylpyridine with high chemical stability is used in storage for extended periods, where it minimizes degradation and extends shelf life. Boiling Point 240°C: 3,5-Dibromo-2-methylpyridine with a boiling point of 240°C is used in solvent-free synthesis conditions, where it withstands elevated processing temperatures. |
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In any discussion among synthetic chemists and research professionals, certain building blocks rise above the rest because of the precision and reliability they bring to experimental design. 3,5-Dibromo-2-methylpyridine consistently earns a respected place in labs focused on pharmaceuticals, agrochemicals, and advanced materials. As simple as it might sound, the structure—two bromine atoms anchoring spots three and five on a methyl-substituted pyridine ring—turns a common heterocycle into a springboard for a surprising range of transformations. This transformation, and the control it offers, explains why chemists keep coming back to this particular molecule, even as libraries of alternatives expand every year.
If you’re working with pyridine derivatives, the placement of each functional group changes the hornet’s nest of reactivity you can tap. Here, adding methyl at the two position, right next to the nitrogen atom, prevents certain unwanted side reactions and helps steer further modifications. The two bromine atoms, spaced on opposite sides of the ring, give a clean handle for cross-coupling or halogen-metal exchange reactions, hallmark steps in organic synthesis. This lets chemists connect different fragments with uncommon efficiency—whether the goal is crafting a complex drug intermediate or pushing boundaries in material science. From this scaffold, researchers routinely push projects beyond what would be possible with plainer pyridine cousins.
Generic pyridine compounds can’t always go the distance in terms of reactivity or selectivity. With unsubstituted versions or analogs lacking these strategic halogen substitutions, chemists may face a firestorm of side products, wasted reagents, or the constant fight for purification. The dibromo-methyl design, on the other hand, streamlines the workflow from the planning bench to scaled-up production. The result is fewer detours, less time lost to troubleshooting, and solid confidence that the final product will meet high standards. No one wins by cutting corners on chemical building blocks, especially not where regulatory hurdles and downstream purity demand relentless attention.
Points of reactivity on a molecule aren’t accidents. 3,5-Dibromo-2-methylpyridine wasn’t discovered in a vacuum, either. Practical chemists and theoretical researchers both helped map out this particular set of modifications. Through trial, error, and plenty of head-scratching in the lab, it became clear that this backbone grants both speed and selectivity, particularly for processes like Buchwald-Hartwig amination or Suzuki-Miyaura coupling. You get a window of reactivity that’s not too wild, yet ready for action. This makes for not only a safer workflow—and fewer headaches during reaction scale-up—but also higher success rates when guiding molecules toward very specific targets.
Synthetic chemistry runs on consistency. Starting material quality affects every yield, every purification, and ultimately, every batch of finished product. 3,5-Dibromo-2-methylpyridine, when sourced from trusted suppliers, meets the high purity standards researchers are forced to expect. Each lot passes strict chromatographic and spectroscopic tests—think NMR and HPLC—to confirm both identity and the absence of impurities that could compromise entire projects. This is not a trivial promise. Research institutions and manufacturing outfits hold tight to suppliers who take these extra steps, simply because there’s no budget for surprise contamination or inconsistent reactivity. In my own research, I’ve seen projects rescued—or ruined—by the quality of a single chemical input.
Drug discovery teams look for intermediates that allow for late-stage functionalization—essentially the ability to swap in new groups near the end of the synthesis without derailing earlier steps. The dibromo and methyl arrangement gives medicinal chemists the platform for safe, directed coupling. Large pharmaceutical libraries have expanded rapidly in recent years, and the ability to introduce bioactive moieties precisely means 3,5-dibromo-2-methylpyridine stands out as a reliable stepping stone. Whether you’re working on kinase inhibitors, GPCR modulators, or other leading-edge molecules, chances are some pathway connects back to this compound or its close relatives.
For crop science teams, pyridine skeletons regularly serve as the base for active chemical agents, herbicidal action, or regulatory triggers. 3,5-Dibromo-2-methylpyridine can often be modified to carry phosphorus, sulfur, or other substituents, thus opening doors for entirely new classes of agricultural compounds. The bromine substitutions not only facilitate further reactions, but they also act as permanent markers in analytic tracing, making quality control and regulatory approval more streamlined for both established and emerging agrochemical companies.
Many pyridines offer a single reactive site, limiting the diversity of accessible analogues in pharmaceutical pipelines. Others, especially those with electron-withdrawing groups but without halogen atoms, don’t always cooperate with transition metal catalysis. In contrast, the dibromo-methyl architecture delivers unique power—it invites two functionalizations under controlled conditions, sidestepping hurdles seen in standard halogenated pyridines.
A simple swap to the widely used 2,6-dichloropyridine or even 3-bromopyridine can lead to unpredictable “overreaction” or stubbornly low yields. Too little control means more time hunting for new reaction conditions, more spent on troubleshooting, and, in commercial settings, lost time can quickly mount into real dollars. My experience in process chemistry teams has shown how a switch to this dibromo version—rather than laboring with less reactive analogues—regularly bumps up the overall project success and reduces time in purification cycles.
Labs run on the tight edge between progress and setbacks. Each day shaves off the runway before grant deadlines or regulatory meetings. In this high-stakes environment, chemists can’t afford the gamble of questionable reagents. Investing a little more in 3,5-dibromo-2-methylpyridine of verified purity tends to return solid dividends, not just in yield but in reliability and peace of mind. In my years working between academia and process development, the difference shows up not only in measurable outcomes but in how quickly a team can pivot and push new hypotheses.
Some might argue that cost-saving bulk alternatives have their place, yet the track record doesn’t lie. False economies show up as failed batches, long chromatographic separations, or even late detections of impurity-derived artifacts. In the worst-case scenario, an overlooked impurity becomes an expensive safety drama near the end of a project. Lab workers, increasingly pressured to deliver complex molecules with clean safety records, recognize the value that comes from trusted sources with reputations for chemical integrity.
With halogenated pyridines such as this, best practices for safe handling are not optional—they’re learned through years of careful repetition and an unwillingness to cut corners. In both research and pilot plant settings, this substance earns respect: good airflow, careful measurement, and reliable fume hoods all play their part. Unlike some intensely volatile analogues, 3,5-dibromo-2-methylpyridine provides enough thermal stability to allow weighing and transfer without the fear of sudden vapor surges. Still, gloves and goggles remain standard issue, particularly since skin and eye irritation can result from even brief exposure.
For waste disposal, the brominated nature of the molecule means every lab needs protocols for segregating halogenated organics—nobody shrugs off environmental stewardship. Having worked in both university and small biotech setups, I've seen the cost of improper disposal multiply quickly, not just as fines but as time lost retracing steps in environmental compliance audits.
Scaling up a synthesis always brings unique headaches. What works smoothly in a fifty-milligram flask can turn into a frothing mess in a five-liter reactor. 3,5-Dibromo-2-methylpyridine, with its crystalline nature and moderate melting point, often bridges this scale-up divide better than similar halogenated heterocycles. Well-controlled batch production delivers the same particle characteristics and low dust, so transfer losses and batch variability stay manageable. The methyl group tacked onto the ring supports thermal endurance, allowing for longer heating intervals during coupling reactions without risking unwanted byproducts.
Some compounds with similar halogen patterns either turn gummy at scale or generate hazardous off-gassing, but with this compound, most production teams report far fewer surprises. That predictability cuts stress for everyone downstream—from QC analysts to the technicians handling the mixing tanks. Time and again, process chemists share how switching to this reagent, rather than sticking with older-generation alternatives, helps keep multi-week projects on track and within budget.
Modern chemical production can’t ignore the demand for cleaner, safer synthesis. Labs and manufacturers today push suppliers to demonstrate sustainable practices—not just in raw material sourcing but also in waste minimization and energy use. Because 3,5-dibromo-2-methylpyridine often allows for shorter synthetic routes, using this compound can mean less overall solvent waste and fewer auxiliary chemicals. That’s more than just cost-saving; it’s also about staying inside tightening regulatory limits for emissions and effluent discharge.
Major suppliers make regular investments in green chemistry upgrades. From what I’ve seen, teams that prioritize these improvements attract both more business and more talented researchers. The future of specialty chemicals will reward facilities that can publish real data on their reduced waste streams and energy budgets. Choosing building blocks smartly—focusing on high-yield, low-waste intermediates—gives downstream partners fewer hurdles with compliance documentation and less risk of late-stage supply chain surprises.
A decade ago, mainstream adoption of advanced cross-coupling focused on a handful of robust starting materials. Today, as medicinal and agricultural chemistry demand more functional complexity, the role of versatile pyridine derivatives only grows. The ability of 3,5-dibromo-2-methylpyridine to streamline the introduction of specialized groups keeps it at the center of high-throughput screening programs and custom synthesis ventures. Recent advances in catalyst design have made its use even more efficient, enabling chemists to execute steps once considered too risky or uneconomical for regular production schedules.
Particularly in the wake of recent regulatory updates around halogenated waste disposal and trace impurity profiling, research buyers look for detailed batch histories and third-party test data. Suppliers able to meet these standards tend to earn steady contracts and long-term loyalty among industry leaders. In a competitive field, adoption rates for compounds like 3,5-dibromo-2-methylpyridine often come down to trust, transparency, and the visible track record of both quality and customer support.
Access to reliable, high-quality building blocks remains a bottleneck for startup labs and universities in emerging economies. By supporting broader availability of 3,5-dibromo-2-methylpyridine—through smart licensing agreements, collaborative distribution, or local production partnerships—the industry as a whole stands to accelerate discovery and lower entry barriers for new players. As someone who mentors new researchers internationally, I see how easier sourcing translates into real opportunities for breakthrough science and cross-border collaboration.
Some grant organizations and public-private partnerships now recognize the value in subsidizing access to rare or specialized intermediates. By forming consortium-based purchasing or shared testing facilities, groups working on neglected diseases or sustainable agriculture projects can close the gaps that once put leading research out of reach. Suppliers that help engineer these solutions earn both goodwill and a competitive edge, especially as research cycles grow shorter and the pace of chemical discovery keeps quickening.
Nobody can do science at scale without reliable support and up-to-the-minute data on what they’re buying. The leaders in this space—both global suppliers and regional champions—go beyond offering a simple catalog listing. They deliver extensive documentation, real-time updates on supply chain risks, and a willingness to troubleshoot alongside their customers. From firsthand experience, those extra miles in customer service often make the difference between stalled projects and successful product launches.
3,5-Dibromo-2-methylpyridine, as a chemical intermediate, showcases the best parts of this evolution in supplier support. While some sources only offer basic COAs, premium vendors supply full chromatographic traces and, when needed, even application-specific consultation. That transparency helps chemists weigh trade-offs, select between salt forms, and anticipate any hiccups in multi-step synthesis. Complex synthetic targets become more accessible, and project setbacks shrink in both scale and frequency.
As the expectations on both researchers and the chemicals they use continue to climb, it seems likely that 3,5-dibromo-2-methylpyridine will grow even more central—particularly in the rapidly expanding intersections between medicinal chemistry, high-performance materials, and sustainable synthesis. The relentless drive for new therapeutics, improved crop resilience, and breakthrough electronic materials all share a common need: dependable, versatile building blocks that don’t bog projects down with preventable surprises.
Whether you’re focused on next-generation pharmaceuticals, green process engineering, or materials innovation, the decision to reach for 3,5-dibromo-2-methylpyridine reflects both an appreciation for hard-won research knowledge and a practical commitment to delivering results. Its history—shaped by trial, error, and persistent improvement—echoes the real experiences of scientists working at chemistry’s frontiers. By keeping an eye on quality, transparency, and responsible manufacturing, the field can lean on compounds like this as reliable partners in a world where research opportunities, and the challenges they bring, refuse to slow down.