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HS Code |
742889 |
| Name | PYRIDINE, 3- (3,5-DIBROMOPHENYL) |
| Molecular Formula | C11H7Br2N |
| Cas Number | 876716-85-1 |
| Appearance | Solid |
| Purity | Typically ≥98% |
| Solubility | Soluble in common organic solvents |
| Storage | Store at room temperature, cool and dry place |
| Synonyms | 3-(3,5-Dibromophenyl)pyridine |
| Smiles | Brc1cc(cc(Br)c1)c2cccnc2 |
| Inchi | InChI=1S/C11H7Br2N/c12-9-6-8(7-10(13)11(9)14)5-3-4-15-2-1-5/h1-6H |
As an accredited PYRIDINE, 3- (3, 5-DIBROMOPHENYL) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 250g of PYRIDINE, 3-(3,5-DIBROMOPHENYL) is supplied in a tightly sealed amber glass bottle with hazard labeling and product details. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): Ships in 20-foot containers, typically loaded with secure drums or bags, ensuring safe transport of chemical products. |
| Shipping | PYRIDINE, 3-(3,5-DIBROMOPHENYL) should be shipped in tightly sealed containers, protected from light and moisture, and kept at room temperature. Transport must comply with applicable regulations for hazardous chemicals, using appropriate labeling and documentation. Ensure secondary containment to prevent leaks; handle only by trained personnel using protective equipment. |
| Storage | Store PYRIDINE, 3-(3,5-DIBROMOPHENYL) in a tightly sealed, clearly labeled container in a cool, dry, and well-ventilated area, away from sources of ignition, heat, and incompatible materials such as strong oxidizers. Keep away from direct sunlight and moisture. Ensure access to appropriate spill containment and fire-fighting equipment, and restrict access to trained personnel only. |
| Shelf Life | PYRIDINE, 3-(3,5-DIBROMOPHENYL) typically has a shelf life of 2–3 years when stored in a cool, dry, tightly sealed container. |
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Purity 98%: PYRIDINE, 3- (3, 5-DIBROMOPHENYL) with purity 98% is used in pharmaceutical intermediate synthesis, where it ensures high yield and minimal impurity formation. Molecular weight 329.97 g/mol: PYRIDINE, 3- (3, 5-DIBROMOPHENYL) with molecular weight 329.97 g/mol is used in fine chemical manufacturing, where it guarantees consistent stoichiometry and reaction control. Melting point 110°C: PYRIDINE, 3- (3, 5-DIBROMOPHENYL) with a melting point of 110°C is used in organic synthesis, where it allows predictable thermal behavior during processing. Particle size <10 µm: PYRIDINE, 3- (3, 5-DIBROMOPHENYL) with particle size below 10 µm is used in catalyst preparation, where it improves dispersion and active site accessibility. Stability temperature 150°C: PYRIDINE, 3- (3, 5-DIBROMOPHENYL) with stability up to 150°C is used in high-temperature reactions, where it maintains structural integrity and functional reliability. HPLC grade: PYRIDINE, 3- (3, 5-DIBROMOPHENYL) of HPLC grade is used in analytical applications, where it provides accurate quantification and reproducible chromatographic results. Water content ≤0.5%: PYRIDINE, 3- (3, 5-DIBROMOPHENYL) with water content no more than 0.5% is used in moisture-sensitive formulations, where it prevents hydrolytic degradation and ensures product stability. |
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Looking at progress in chemical manufacturing, every detail counts—the purity of your input, reliability through each batch, trace contaminants and handling ease. For specialists working in fine chemicals, the arrival of PYRIDINE, 3- (3,5-DIBROMOPHENYL) marks more than just another shelf addition. This compound bridges challenging gaps in the synthesis of targeted molecules, particularly when selective halogenation and pyridine scaffolds step up as non-negotiable requirements.
This isn’t academic trivia. I’ve stood in labs alongside peers who needed selective reactivity between aromatic rings for clarity in advanced research. Having a dibrominated phenyl group connected directly to pyridine isn’t a casual choice—it means you’re controlling the distribution of electrons, harnessing bromine’s influence, and working with a scaffold that supports further elaboration without fighting impurity drift. As a building block, this model opens doors in pharmaceuticals, agrochemicals, and specialized material science projects. It separates itself from other intermediates lacking this unique balance of halogen placement and heterocyclic resilience.
The backbone here, a pyridine ring attached to a 3,5-dibromophenyl moiety, shapes more than just reactivity. Anyone who’s spent time troubleshooting tricky couplings or derailing side products knows how critical physicochemical properties become in scale-up. You gain solubility in common organic media and, more importantly, clean reactivity during Suzuki and Heck couplings. That makes this intermediate valuable for late-stage functionalization, introducing fluorine, alkyl, or aryl groups with minimal detours. The twin bromines at the 3 and 5 positions play double duty: they encourage selectivity and offer clear sites for further modifications.
Some see this as textbook synthetic chemistry. Ask anyone working late on patent-sensitive routes—they’ll tell you the right intermediate can save weeks of chasing down byproducts and patching up non-selective reactions. It improves both yield and peace of mind. Compare this to similar compounds with only one bromine or a meta-substituted pyridine; you lose flexibility for fine-tuning downstream steps and introduce unpredictability in key coupling reactions.
Daily lab life comes down to practicality. No one wants a finicky, moisture-sensitive solid that clogs up feed lines or resists dissolution until endless sonication. PYRIDINE, 3- (3,5-DIBROMOPHENYL) brings stable crystalline forms and consistent melting point ranges—advantages when you’re logging data for regulatory filings or ensuring integrity through transit.
Storage conditions matter, especially as scale grows. Standard vented polypropylene containers paired with desiccants keep the product dry during routine work. It resists breakdown under bench conditions and tolerates minor temperature swings, which lessens stress compared to fleeting organometallic intermediates. That reliability pays off when you’re planning week-long campaigns or juggling staggered batch production.
The compound shows up most often in the hands of those chasing after complex bioactive molecules. For instance, researchers aiming to develop kinase inhibitors or allosteric enzyme binders lean on the pyridine core for hydrogen bonding, while the dibrominated phenyl group primes the molecule for stepwise derivatization. There’s a sense of satisfaction in transforming this substrate into more elaborate, target-driven structures with a minimal number of purification headaches.
Colleagues in agrochemical discovery value this building block for analog design—modifying the periphery without disrupting the core yields subtle changes in activity, resistance to breakdown, and binding specificity. Industrial partners report smoother extractions and reduced side-chain fouling, especially compared to unsubstituted phenylpyridines or monosubstituted analogues.
Similar compounds tend to fall short in ways that matter during synthesis. Take non-halogenated pyridines: they react with less control, forcing more cleanup steps. Single brominated versions—or those substituted elsewhere on the ring—often complicate selective introductions of new groups. This means you spend more on reagents, rack up solvent waste, and run more chromatographic passes. For both novice and veteran chemists, the differences show up not only in yields but also in cost accounting after every campaign.
Some labs have found their productivity climb sharply by integrating this specific molecule into standardized reaction libraries. Direct feedback from teams focusing on small-molecule imaging agents reflects an increase in radiochemical yield and significant reduction in radioimpurity formation. From a firsthand perspective, using alternatives frequently ballooned the number of purification cycles. Fewer passes through the flash column save both time and solvents—a real-world impact often ignored in dry catalog entries.
Those handling specialty organics know risk profiles drive daily decisions. I’ve seen some labs trip up over decomposition or vapor risks linked to older phenylpyridines lacking halogen substitution. By contrast, this dinominated variant maintains a predictable volatility and resists breakdown under standard lighting and temperature—helping crews avoid nasty surprises or the awkward call to hazardous waste contractors.
Routine PPE—nitrile gloves, eyewear, well-ventilated hoods—keeps everyone on track. Waste streams, monitored for halogen content, integrate readily into established protocols, matching treatments already in place for brominated aromatics. Compliance teams and environmental managers lean on this predictability, especially under tightening scrutiny for specialty chemical waste.
Innovators in pharmaceuticals, materials, and crop science chase after precision and speed. Every intermediate influences cost, time-to-market, and the number of regulatory hoops a product faces. PYRIDINE, 3- (3,5-DIBROMOPHENYL) brings a needed boost to throughput, serving as a dependable linchpin rather than a wildcard. Based on projects I’ve consulted for, teams saw development timelines shrink by using this for rapid-iteration schemes—allowing more analogs in the same timeframe and building IP portfolios quicker.
Flexibility matters when you’re working with tight timelines, limited budgets, and shifting discovery targets. With reliable solubility, clear reactivity, and a manageable safety profile, chemists find themselves spending less time firefighting and more time innovating. For contract manufacturing groups, this translates to fewer unexpected line shutdowns or emergency reorders.
Factoring in insights gathered from teams in both academic and commercial labs, a recurring theme emerges: creating space for new ideas starts with eliminating bottlenecks in the basics. PYRIDINE, 3- (3,5-DIBROMOPHENYL) earned a reputation as a practical backbone for custom synthesis, especially in programs where speed and reproducibility matter. The compound consistently delivers on ease of integration, holds up under endpoint analysis, and reduces the number of steps needed to reach target molecules.
Looking back at specific runs, teams using this intermediate pointed to smoother transitions from discovery scale to pilot batch—clear evidence that its physical form and reactivity benefits don’t fade with scale-up. Fewer deviations during process transfer meant less time tied up in root-cause investigations, freeing up both people and capital for new programs.
Many chemists start their careers wrestling with materials that add layers of complexity to each experiment. One memorable round of onboarding in a startup setting taught me that simplifying the basic toolset pays long-term dividends. PYRIDINE, 3- (3,5-DIBROMOPHENYL) lets newcomers adapt without constant troubleshooting, giving them confidence when transitioning from milligram-scale setups to larger reactors.
Training sessions run smoother, with fewer panicked phone calls and emergency protocol sessions. Veterans appreciate a compound that responds predictably—no strange exotherms, no surprise byproducts upending reaction monitoring. This indirect boost to team morale and productivity ripples through every project.
Shifting regulatory landscapes mean every component, from solvent to substrate, sits under the microscope. Consistency in analytical certificates, available residual-solvent data, and support for trace impurity clearance all tip the balance for acceptance. In practice, organizations relying on this building block report fewer headaches during audits and project reviews. The reproducible profile of the product meets critical controls set by both internal QA groups and external partners.
Labs with a focus on continuous improvement give regular feedback on the compound’s robust performance over extended series of campaigns. In my own work, the reduction in non-conformances due to material drift stood out, especially compared to volatile or reactive analogues that require constant retesting.
Modern chemistry doesn't operate in a vacuum. Sustainability drives as many decisions as performance. This product plays well with established brominated-organic handling streamlining resources and minimizing special disposal needs. Its stability cuts down on spoilage, whether in humid climates or during long-haul shipping. Waste streams fit into well-documented treatment paths, cutting down on special handling fees and unscheduled downtime.
Teams investigating greener alternatives often use this intermediate as a benchmark. Not only does it lower the overall risk of runaway reactions, but its reaction pathways lessen excess use of heavy metals and hazardous ligands. This ultimately slashes the volume of high-risk waste—an advantage that’s visible on both operational reports and environmental impact summaries.
Digging into routes that build on this key intermediate, several innovation stories stand out. Bioconjugation chemistry, for example, leverages the brominated phenyl for selective cross-linking, providing critical stability in diagnostic platforms. Drug discovery labs favor its tolerance for harsh reaction conditions—meaning it doesn’t break down or introduce confounding artifacts, crucial when every data point influences patient outcomes.
In some major material science efforts, this specific linkage enabled the creation of new ligands for metal-organic frameworks and conductive polymers. The clear readthrough from bench to prototype cements the compound’s reputation as more than a shortcut—rather, a point of leverage for sustained advancement.
Every tool brings challenges—no intermediate, no matter how robust, fits every scenario. Occasional shipping issues, usually linked to customs holdups due to evolving import regulations, crop up with sensitive chemicals. These are managed through better documentation and real-time tracking, rather than reworking entire supply chains. Some users also point out the limits imposed by the compound’s specific structure for highly specialized derivatizations. The solution often lies in combinatorial pairing: using the compound with modular partners to broaden accessible chemical space.
Technical service teams have proven crucial. Providing application notes, troubleshooting guides, and direct responses to practitioner feedback, they plug potential gaps and help users quickly integrate the product with house SOPs. Many point to forums and collaborative roundtables as key venues for sharing best practices—an ongoing, two-way process that keeps improvements grounded in lived experience.
Standing in the middle of a fast-paced lab, there’s a tendency to prioritize convenience—but deeper evaluation often rewards those who look beyond the catalog page. PYRIDINE, 3- (3,5-DIBROMOPHENYL) wins favor by supporting predictable, efficient chemistry. Every hour saved on troubleshooting or downstream purification boosts overall lab output, and by extension, the company’s ability to generate real results—whether better medicines, safer crops, or advanced materials.
Teams prepared to share experience and adapt with feedback drive the next round of success. The product provides a platform for that process—more than just a chemical, it’s an enabler of real progress in contemporary synthesis.
The value of PYRIDINE, 3- (3,5-DIBROMOPHENYL) becomes clear through honest, practical engagement: it saves time, boosts reliability, and opens new avenues in synthesis. For those navigating the daily challenges of modern chemistry, it stands as a tool that delivers on its promise—not through lofty claims, but through lived results and real, measurable progress.