|
HS Code |
247726 |
| Product Name | 3,4-Dibromopyridine |
| Cas Number | 626-05-1 |
| Molecular Formula | C5H3Br2N |
| Molecular Weight | 252.89 |
| Appearance | White to off-white solid |
| Purity | 98% |
| Melting Point | 49-53°C |
| Boiling Point | 265-267°C |
| Density | 2.164 g/cm3 |
| Solubility | Slightly soluble in water; soluble in organic solvents |
| Smiles | C1=CN=CC(=C1Br)Br |
| Iupac Name | 3,4-dibromopyridine |
| Storage Temperature | Store at room temperature |
| Refractive Index | 1.673 |
| Hazard Statements | H315, H319, H335 |
As an accredited 3,4-Dibromopyridine98 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 25g amber glass bottle labeled "3,4-Dibromopyridine 98%" with hazard symbols, chemical formula, and safety instructions printed clearly. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): 3,4-Dibromopyridine98 is typically loaded in 25kg drums, totaling approximately 8–10 metric tons per 20′ FCL. |
| Shipping | **Shipping Description:** 3,4-Dibromopyridine (98%) is shipped in tightly sealed containers, typically glass bottles, to prevent contamination and moisture exposure. The chemical is packaged according to regulations for hazardous materials, ensuring safe transit. Appropriate hazard labels are affixed, and accompanying documentation includes safety data and handling instructions. Temperature and handling requirements are strictly observed. |
| Storage | 3,4-Dibromopyridine (98%) should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. Keep the chemical separate from incompatible substances such as strong oxidizing agents. Store at room temperature, and ensure proper labeling. Use secondary containment to prevent leaks and follow all relevant safety regulations. |
| Shelf Life | 3,4-Dibromopyridine 98% has a typical shelf life of 2–3 years when stored tightly sealed in a cool, dry place. |
|
Purity: 3,4-Dibromopyridine98 with 98% purity is used in pharmaceutical intermediate synthesis, where it ensures high-yield active compound formation. Melting Point: 3,4-Dibromopyridine98 with a melting point of 70-74°C is used in high-precision recrystallization processes, where it enables optimal separation and purity of target molecules. Molecular Weight: 3,4-Dibromopyridine98 of molecular weight 251.92 g/mol is used in agrochemical formulation, where it provides consistent molecular incorporation during reaction steps. Stability Temperature: 3,4-Dibromopyridine98 with stability up to 120°C is used in catalyst preparation processes, where it maintains chemical integrity under thermal processing conditions. Particle Size: 3,4-Dibromopyridine98 with fine particle size distribution is used in organic electronics, where it allows for improved dispersion and homogeneity in thin-film applications. Water Content: 3,4-Dibromopyridine98 with low water content is used in moisture-sensitive syntheses, where it minimizes side reactions and improves product yield. Assay: 3,4-Dibromopyridine98 with assay ≥98% is used in analytical standard preparation, where it delivers reliable and reproducible reference data. Storage Stability: 3,4-Dibromopyridine98 with extended storage stability is used in bulk chemical warehousing, where it reduces product degradation and ensures long-term usability. |
Competitive 3,4-Dibromopyridine98 prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615371019725 or mail to sales7@boxa-chem.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: sales7@boxa-chem.com
Flexible payment, competitive price, premium service - Inquire now!
In any chemical lab worth its salt, reliable reagents make the difference between a successful project and afternoons spent repeating the same reaction. Take 3,4-Dibromopyridine98, for instance. This compound has made its way onto the shelves of more than a few research labs, recognized for both its consistent purity and for how comfortably it fits into a whole string of synthetic plans. Pyridine rings with halogen substitutions show up all over pharmaceutical intermediates, materials science, and crop chemistry. Most who pick up a bottle of 3,4-Dibromopyridine find it’s not just the structure that does the heavy lifting—it's also the little details, like a steady 98% purity level, free-flowing crystalline powder, and a clean supply chain that actually matches what the label promises.
Chemists often seek out halogenated pyridines because they bring a blend of reactivity and stability to syntheses. With two bromine atoms locking onto the third and fourth positions of the pyridine ring, 3,4-Dibromopyridine pushes chemical transformations in directions that single-bromo analogues can’t match. The 98 grade can mean something specific in lab culture. It's not the industrial chemical that comes with unpredictable residue or variable melting points. It’s the kind of solid you weigh out and trust, making planning smoother from the minute the reagent bottle opens.
Anyone who’s ever run a sensitive coupling reaction knows the frustration when an unknown impurity tanks a yield. The “98” mark matters. For most synthetic tasks, this purity takes you out of the woods of trace contaminants without inflating your costs like the premium “ultrapure” materials do. It’s only a few percentage points, but that shift means fewer by-products, more reproducible results, less time cleaning glassware, and a record you can hand to anyone, from peer reviewers to regulatory auditors. Chemical supply companies might boast higher purities, but unless you’re pushing delicate total synthesis or tight analytical work, 98% nearly always hits the right spot.
I’ve used 3,4-Dibromopyridine98 for cross-coupling reactions, especially when setting up C-C or C-N connections with palladium, copper, or nickel catalysts. The process is straightforward. The powder pours easily, dissolves with a bit of patience, and stays clean—both in solution and as a solid. I’ve seen colleagues reach for it when making small novel molecules or adapting routes from the literature that demand specificity around each ring position. It never stinks up the lab, and once stored dry, I’ve never seen clumps or discoloration months down the line.
The appeal of 3,4-Dibromopyridine stretches across several fields. In pharmaceuticals, it’s a starting point for preparing building blocks that eventually get transformed into potential drug candidates. It stands out during the Suzuki or Buchwald–Hartwig coupling reactions, popular tools for connecting bits of a molecule together with precision. In agrochemical research, this compound gives scientists control over molecular scaffolds used for making compounds that will hit biological targets without drifting into off-target toxicity. Material science, too, borrows this compound, especially as researchers crank out new polymers, dyes, or conducting materials where pyridine derivatives govern electronic properties.
Each field likes it for some of the same reasons: it’s not fussy, it’s chemically flexible, and with a well-established supply chain, you are not left wondering whether the next bottle will throw off a whole set of results. Colleagues in biotech startups sometimes mention supply reliability—the compound shows up as expected, with each batch delivering predictability they need to keep their project timelines from slipping.
It might be tempting to lump all dibromopyridine compounds together. The truth is, where those bromine atoms land makes every difference to the reactivity and final result. 3,4-Dibromopyridine contrasts sharply with, say, its 2,6- or 2,5- isomers. Shift those bromines around and you quickly lose the same suite of selectivity in metal-catalyzed couplings. As a chemist, I appreciate how 3,4- substitution tends to give more straightforward access to certain substitution patterns, compared to trying to get selective reactions on monosubstituted or ortho,ortho-substituted pyridines.
Multiple isomers, each with their own reactivity profiles, mean researchers must pick carefully when setting up a route to more complicated structures. 3,4-Dibromopyridine often gets the nod in large part because it sits at an intersection of good availability, practical cost, and a balance between sitting too reactive and becoming unworkably inert.
People who haven’t spent long hours in a chemical lab sometimes overlook practical handling features. 3,4-Dibromopyridine98 pours from its container easily, resists caking, and doesn’t shed dust that stings the nose or leaves stubborn fingerprints behind. It dissolves in a range of common solvents—DMF, DMSO, toluene, acetonitrile—letting researchers tailor reaction conditions without endlessly screening different solubility combinations. I’ve managed multi-step syntheses that involved scaling up from milligram to gram amounts without surprises. You don’t often see clogs, sudden oiling out, or mysterious color changes that would send you digging through troubleshooting guides.
Go along the chemical catalog and you’ll spot a dozen other halogenated pyridines, each with a slightly different structure. The more experienced chemists know the headaches that can spring up from picking the wrong isomer—off-target reactivity, obscuring side products, or purifications that drag on for days. Products with fewer bromines, such as 3-bromopyridine, might save a little on cost, but give up valuable flexibility in setting up a second substitution. They also often behave differently under coupling conditions, requiring extra time and catalyst material.
Tetrahalogenated and more exotic pyridines add another set of problems—high cost, trouble sourcing, and less predictable chemistry. 3,4-Dibromopyridine stands out in the lineup as a solid middle ground. It’s far enough substituted to enable dozens of useful transformations but remains manageable for budget-conscious labs. Researchers moving from academic studies to industrial runs usually note that the material scales without much fuss. No sudden drops in purity, no big jumps in price per gram. That means less paperwork and fewer headaches when getting sign-off from a group leader or a commercialization team.
Behind every bottle of any fine chemical stands a supply chain and set of quality processes. Research teams don’t shell out for a 98% product unless they know the supplier takes traceability seriously. Analytical labs typically run batches against HPLC, NMR, or GC-MS. Those numbers make it into certificates of analysis and into the hands of regulatory folks combing through files months or years later. From a practical perspective, the data means you can actually run control experiments confident that the starting material won’t add noise to the story.
Having worked with suppliers that sometimes swap batches, slip in odd lots, or show ambiguous analytical data, I’ve grown to spot red flags quickly. A clear chain of purity tests, shipment records, and up-to-date QC docs signals a supplier treating chemists as partners rather than just numbers. Scientists who’ve slogged through trial-and-error procurement know this can mean the difference between hitting a lab’s quarterly milestone or losing funding while re-ordering new material.
Quality reagents rarely come cheap, but 3,4-Dibromopyridine98 avoids the “boutique” tax often stuck onto ultra-high-purity versions. Full on spec sheets rarely thrill bench chemists, but what does stick is how each bottle can reliably stretch across weeks’ worth of reactions. The compound does not demand a suite of purification tricks, endless column running, or complicated storage gear. Avoiding costly lost days and wasted catalyst, it becomes a backbone for many parallel reactions. Anyone who’s spent hours cleaning up after a failed reaction will understand how these small details compound into real-world value.
No compound, even well-graded ones, solves every challenge. 3,4-Dibromopyridine reacts vigorously under some coupling conditions, so newcomers need a bit of patience dialing in catalyst and solvent choices. Occasionally, a sticky intermediate crops up, requiring a tweak to temperature profiles or dilution schedules. Most labs keep a troubleshooting log or at least swap protocol notes across team members. Because this compound is a lab favorite, plenty of best-practice tips circulate: wash glassware thoroughly to avoid trace metal buildup, seal reaction setups to avoid moisture incursion, and double-check the identity of isolated products before scaling up.
I’ve learned to keep a watchful eye for signs of out-of-spec reactions. Analytical HPLC keeps surprises to a minimum, and running reference spectra helps quickly flag off-by-one errors in structure. Having run side-by-side tests on comparable batches from different suppliers, I’ve found consistency to be the norm, with variations only showing up rarely. Those blips tend to come from old stock, poorly sealed containers, or incorrect storage, not from the labeled product itself.
Drug discovery moves quickly, with teams eager to try new structures that build on tried-and-true heterocycles. 3,4-Dibromopyridine serves as an enabler—particularly in fragment-based lead discovery or when building libraries for high-throughput biologic assays. The bromines respond predictably to arylation, alkylation, or even simple hydrodehalogenation, and in my experience, lead to prompt isolation and fast characterization. This speeds up both the planning and data reporting, making sure labs stay nimble when project scopes change mid-stream.
Materials researchers have applied this same backbone when chasing down new electronic materials or polymers. The nitrogen from the pyridine moiety coordinates well to metals or inks, and the dual bromides give entry into functionalized chains with properties that are tuned for light conduction, improved stability, or solubility just right to meet the demands of LEDs or batteries.
Veterans in chemical research pick up on product reliability quickly. A compound that does what the label says, with every bottle showing up consistent, builds trust better than any marketing material. Students working their first reaction night know the comfort of seeing a powder that dissolves as expected, responds to familiar TLC patterns, and doesn’t act up halfway through a reaction.
Having worked through enough projects where unreliable starting materials burned up weeks, seeing 3,4-Dibromopyridine98 come through as a quiet workhorse is a small pleasure. Chemists want their syntheses to behave themselves, and those who’ve spent time recovering from losses or tracing odd signals in spectra will appreciate the simple truth: a good starting compound saves more headaches than any shortcut or half-measure ever could.
Talk to any seasoned chemist, and you’ll hear stories about reagents that made their lives a little easier when the stakes were high. 3,4-Dibromopyridine98 has squeezed its way onto those lists because it helps reactions go right, week after week, across an ever-widening set of research goals. Its flexibility doesn’t come from some magical property—it’s a matter of thoughtful substitution, consistent refining, and attention to what working labs need. It doesn’t promise perfect chemistry on every run, but it keeps enough things steady that you can focus on the far more interesting questions each project throws at you.
I’ve watched research teams swap protocol details and handling notes for this compound with the same sense of camaraderie as sharing tips about reliable glassware or trustworthy equipment. The common thread is simple: take care with your tools, trust your materials, and demand the most from your sources. 3,4-Dibromopyridine98 makes each week go just a bit smoother—especially for those of us who rely on chemistry not just for experiments, but to build the new medicines and materials that shape how we live.