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HS Code |
425394 |
| Chemical Name | 2-(4-bromophenyl)-4,6-diphenylpyridine |
| Molecular Formula | C23H16BrN |
| Molecular Weight | 402.29 g/mol |
| Appearance | White to off-white solid |
| Melting Point | 150-155°C |
| Solubility | Slightly soluble in common organic solvents |
| Cas Number | NA |
| Smiles | c1ccccc1C2=NC(=CC(=C2)c3ccccc3)c4ccc(Br)cc4 |
| Purity | Typically ≥98% |
| Storage Conditions | Store in a cool, dry place; protect from light |
| Synonyms | 4,6-diphenyl-2-(4-bromophenyl)pyridine |
As an accredited 2-(4-bromophenyl)-4,6-diphenylpyridine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle labeled "2-(4-bromophenyl)-4,6-diphenylpyridine, 10g," tightly sealed, with hazard and handling instructions. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): 8,000–9,000 kg net in 25 kg fiber drums or cartons, secured on pallets, suitable for export. |
| Shipping | 2-(4-Bromophenyl)-4,6-diphenylpyridine is shipped in secure, sealed containers to prevent contamination and degradation. Packaging complies with chemical safety regulations; typically, it is packed in amber glass bottles and surrounded by protective material. All shipments include appropriate labeling and accompanying safety documentation as required for transport of research chemicals. |
| Storage | 2-(4-Bromophenyl)-4,6-diphenylpyridine should be stored in a tightly sealed container, away from direct sunlight, moisture, and incompatible substances such as strong oxidizers. Keep the chemical in a cool, dry, well-ventilated area, ideally at room temperature. Properly label the storage container and ensure it is kept out of reach of unauthorized personnel and sources of ignition. |
| Shelf Life | 2-(4-bromophenyl)-4,6-diphenylpyridine typically has a shelf life of 2–3 years if stored dry, cool, and protected from light. |
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Purity 98%: 2-(4-bromophenyl)-4,6-diphenylpyridine with 98% purity is used in pharmaceutical intermediate synthesis, where high purity ensures minimal byproduct formation. Melting point 210°C: 2-(4-bromophenyl)-4,6-diphenylpyridine with a melting point of 210°C is used in organic semiconductor development, where superior thermal stability enhances device reliability. Particle size <10 μm: 2-(4-bromophenyl)-4,6-diphenylpyridine with particle size below 10 μm is used in high-surface-area catalysts, where fine particle distribution increases catalytic efficiency. Stability temperature up to 180°C: 2-(4-bromophenyl)-4,6-diphenylpyridine with stability up to 180°C is used in high-temperature polymerization reactions, where heat resistance prevents degradation and ensures consistent yields. Molecular weight 444.34 g/mol: 2-(4-bromophenyl)-4,6-diphenylpyridine with a molecular weight of 444.34 g/mol is used in structural ligand design, where specific molecular mass supports targeted complex formation. |
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In a shop like ours that breathes chemical synthesis, 2-(4-bromophenyl)-4,6-diphenylpyridine became more than a mouthful on the order sheet. We’ve watched shifting demands for its tightly tailored structure, shaped by a bromophenyl ring at the 2-position, and two phenyl rings sitting at the 4 and 6 positions of the pyridine core. This configuration’s not just textbook chemistry—it makes the compound a building block in applications where precision in properties counts. Having made batch after batch, from milligrams up to multi-kilo lots, our team sees how even slight tweaks in process or purity have real-world consequences for the researchers and process engineers downstream.
We came to appreciate this molecule during a run of projects geared toward organic electronics, where the right heterocyclic scaffold can set a foundation for improved efficiency in new materials. The bromophenyl substitution at the 2-position is a big driver for further elaboration, especially using cross-coupling reactions like Suzuki or Buchwald–Hartwig amination. Chemists prefer a substrate that handles like a reliable tool and responds predictably to palladium-catalyzed coupling. Every batch we completed opened up new opportunity for researchers scrambling to dial in new OLED materials or advanced ligands.
Not all pyridines work the same way in real chemistry. Once, a client needed a consistent intermediate to create an asymmetric ligand for a catalysis project. They tried different substituted pyridines from a variety of sources and kept getting unpredictable reaction profiles. Our own product—synthetically pure and reproducible, born from a single, well-controlled process—solved the problem. Repeatability beat any abstract purity figure on a sheet.
The bromine atom in 2-(4-bromophenyl)-4,6-diphenylpyridine makes a dramatic difference compared to its unsubstituted cousins or the chloro- and iodo-analogs. Reactivity is key. We worked with a researcher developing a small batch palladium chemistry. Using the iodo compound, yields looked promising, but the byproducts made purification a headache. With our bromo-substituted material, the purity of the final product improved, and the work-up streamlined from hours to something manageable before lunch.
We watched more teams turn to this molecule for complex molecule scaffold construction. The two phenyl rings—one at position 4, one at 6—help by providing rigidity and bulk, two factors that influence binding when the compound serves as an intermediate for pharmaceuticals or molecular probes. Process developers face fewer headaches optimizing conditions, because both the electronic and steric factors of our product lend themselves to predictable reactivity.
Having a bench chemist stop us with a complaint about batch variation stuck with us. Analytical reports don’t tell the entire story, but they guide our next actions, from tweaking purification cycles to adjusting crystallization profiles. Every weigh-up from our manufacturing lines carries our own practical lessons, not marketing. Chemists can tell the difference. There’s no shortcut for the experience that comes from dozens of scale-ups, from milligrams to tens of kilos.
In-house, our approach includes careful monitoring of moisture and oxygen exclusion at every sensitive step. The appearance of 2-(4-bromophenyl)-4,6-diphenylpyridine as a fine, off-white crystalline powder seems simple, but subtle differences in color, particle size, or lot uniformity trace back to real-world synthesis variables. Our quality team holds us to tight standards because downstream users notice the difference. The right morphology can speed up dissolution, improve weighing, and reduce static-related issues.
We serve a broad slice of the market’s working chemists. Academic researchers, process chemistry labs, and new ventures in functional materials often reach out with specific synthetic goals in mind. For some, 2-(4-bromophenyl)-4,6-diphenylpyridine carries them through exploratory work in organometallic chemistry; for others, it becomes an essential burden bearer in assembling more complex targets. Often, a question comes down the line—“Can you guarantee no residual palladium, no unreacted starting material, and no darkening after a week on the shelf?” Our lab techs run the actual checks, from HPLC to NMR, and ensure each lot matches the needs of those who rely on reliable input for their own high-stakes projects.
Custom synthesis turns theoretical targets into tangible lots on a shelf. Scale matters, as does adaptability. Researchers need assurances that what they source on gram scale can scale up to kilogram quantities without surprises. We’ve walked that walk, from custom routes and process optimization to anticipation of what happens when a reaction takes an unexpected turn. The nitty-gritty of scale-up—solvent choices, temperature ramps, exotherms—gets solved not in spreadsheets, but by those who have cleaned out reactors and filtered off slurries by hand.
Customers sometimes think a pyridine is a pyridine, but our work shows otherwise. Comparing our compound with 2-phenyl-4,6-diphenylpyridine, reactivity diverges with the addition of the bromine atom. The brominated version delivers cleaner outcomes in cross-coupling; it’s more forgiving in metal-catalyzed reactions. The lack of a leaving group in the non-bromo compound means chemists either spend longer on post-reaction work or accept mediocre yields.
Working with comparable 2-(4-chlorophenyl)-4,6-diphenylpyridine brings its own pitfalls. Chlorine’s less reactive than bromine under many cross-coupling conditions, so coupling times stretch and catalyst loadings increase. Iodo-phenyl analogues raise costs and sometimes complicate waste handling because of higher heavy metal content. Our experience bears out that bromo functionality hits a sweet spot—cost-effective, reliable, familiar to everyone working at any scale.
Those in medicinal chemistry validate a product by what happens on the bench, not in the catalog. A lead optimization team shared back data not just on yields, but on ease of work-up and low levels of impurities persistent through final purification. Their final candidate’s performance traced straight back to the high purity and batch consistency of our starting material. The value comes not only from a spectral figure, but from reproducibility in synthesis month after month.
With every repeat shipment, feedback loops strengthen our approach. Users prefer a product that resists clumping and handles easily in both small vials and bulk containers. Sub-optimal drying can mean a cake of powder where a free-flowing solid should pour. From filter sizing to mill design, we never stopped refining logistics because we’ve loaded bags and bottles with our own hands.
Storage requirements become straightforward: cool, dry, dark conditions maximize shelf life and prevent subtle discoloration or surface degradation. Our own QA team checks for signs of breakdown, from odor changes to altered melting points, before product ever leaves our plant. If a customer flags a discrepancy, we trace a lot’s path from raw material all the way to packing and shipping. A lesson learned early—the real world trumps theory. A bottle that reaches the lab in subpar condition wipes out weeks of work. We have built protocols to prevent every hiccup possible, based on years of meeting and exceeding critical feedback.
Universities and startups alike crave forward movement, and our product has repeatedly played a supporting role during high-stakes development cycles. We watched projects in OLED labs accelerate by weeks thanks to a batch of high-purity material, while pharmaceutical groups cut time lost on purification when starting with known, trusted input. There’s a sense of pride seeing a structure you’ve made crop up in patent filings and published research, not least when those teams send back thanks for the reliability.
A handful of times, we’ve watched a run go wrong—an impurity spike traced to an upstream change, a subtle shift in reagent source, or an unnoticed trouble in a glassware joint. Every mistake led to improvements, born from dusting ourselves off and returning to the synthesis bench. Our commitment to evidence-based, iterative improvement comes from seeing chemical research depend on input quality. Every flaw in an intermediate compounds downstream challenges.
We see our role as more than just producers. By opening up communication channels with users, offering real-time technical support, and responding to unusual requests, we foster collaborative solutions. Partners working at the bleeding edge of chemistry can lean on us for honest advice—hard-won insights into storage, scalability, and potential synthetic detours. Whether troubleshooting solubility issues or talking through reaction optimization, our collective experience becomes a resource for those pushing new boundaries.
Lately, the focus on “green chemistry” resonates through many projects. Our plant’s made changes to reduce solvent waste, streamline work-up using water-based phases when possible, and focus energy on minimizing hazardous byproducts. Researchers appreciate when suppliers help lighten compliance loads from environmental agencies. Feedback loops from greener processes feed directly into ongoing business, shaping how we approach even legacy compounds like 2-(4-bromophenyl)-4,6-diphenylpyridine.
While anyone can quote a purity figure, experience shows it doesn’t tell the whole story. From our perspective, lot-to-lot consistency wins the most trust, especially among those running multi-step syntheses or large program portfolios. Our process emphasizes not just achieving high purity by analytical reading, but ensuring every crate, drum, or vial delivers exactly what’s needed for success downstream.
We listen. Researchers bring us unexpected feedback—subtle yield drops, changes in processability, or even a simple note about color drift. Instead of dismissing these as noise, we seek out root causes, tweaking upstream procedures, reinforcing analytical reviews, and sometimes adding a new test where experience tells us the unexpected lurks. Over time, our processes evolved to screen for trace metals, persistent volatiles, and hard-to-separate byproducts, not simply for regulatory compliance, but because our own hands-on experience has shown us where some of those little issues can become costly failures.
It’s easy to forget that every glass vial or drum we send carries a small part of someone’s research ambitions inside. Years of shipping tight batches have taught us humility. We don’t just make and sell—we stand for reliability, accountability, and a willingness to own problems. Old-school lessons—always double-check, never cut corners, never declare a batch “good” based only on surface tests. If a scientist calls back weeks later with a reactivity or performance problem, we help them troubleshoot as if we were running the experiment ourselves.
The toughest problems emerge on the production floor. Mixtures seem stable, but the tiniest difference in grind or residual moisture creates headaches for those aiming for sub-millimole accuracy. We spent countless hours improving drying cycles, fine-tuning filter bags, and training staff on the real-world impact of caking, static, or micron-level clumping. Only by listening to those who actually use this pyridine day after day can we continue to refine the process.
Demands on performance and sustainability continue to shift. As customers seek novel derivatives and more elaborate hybrid molecules, our team keeps pushing boundaries with deeper process analysis and alternative synthetic routes. Sometimes, green chemistry directs the show; other times, the need for rare specificities pushes us down challenging and unfamiliar paths. Years of hands-on work have granted us a toolkit for creative troubleshooting, one that turns setbacks into learning and new offerings.
Academic chemists and process developers frequently approach us with challenging analogs, custom substitutions, or process modifications designed to fit their evolving project needs. Strict off-the-shelf solutions rarely fit. We thrive on understanding how a new idea or a request for a one-off batch can reshape tomorrow’s offerings. This willingness to innovate comes from not just understanding the process, but having lived with both wins and setbacks from the manufacturing floor to a client’s bench.
2-(4-bromophenyl)-4,6-diphenylpyridine brings more than numbers and catalog entries. It stands as an example of how informed process development, continual refinement, and feedback-driven improvement can deliver a product that people trust in high-stakes chemistry. We have shaped our operation around first-hand insights, not broad claims, and invite every potential partner to bring their real-world challenges straight to the team with boots on the ground, not just sales staff with a script. Ask us how the next batch might fit your next challenge, and we’ll answer from the hard-earned lessons of those who’ve made this molecule by hand, day in and day out.