|
HS Code |
484980 |
| Name | 2-((4-Bromophenyl)ethynyl)pyridine |
| Cas Number | 271658-79-6 |
| Molecular Formula | C13H8BrN |
| Molecular Weight | 258.12 |
| Appearance | Off-white to light yellow powder |
| Melting Point | 89-92°C |
| Purity | Typically ≥98% |
| Solubility | Soluble in DMSO, slightly soluble in ethanol |
| Smiles | C1=CC=NC(=C1)C#CC2=CC=C(C=C2)Br |
| Inchi | InChI=1S/C13H8BrN/c14-12-6-4-11(5-7-12)9-10-13-3-1-2-8-15-13/h1-8H |
| Storage Conditions | Store at 2-8°C, dry and well-sealed |
| Synonyms | 2-(4-Bromophenylethynyl)pyridine |
As an accredited 2-((4-Bromophenyl)ethynyl)pyridine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle containing 5 grams of 2-((4-Bromophenyl)ethynyl)pyridine; white label with product details and safety symbols. |
| Container Loading (20′ FCL) | 20′ FCL container loaded with securely packaged 2-((4-Bromophenyl)ethynyl)pyridine, palletized, moisture-protected, and safely labeled for transport. |
| Shipping | 2-((4-Bromophenyl)ethynyl)pyridine is typically shipped in sealed glass bottles or chemical-resistant containers to prevent contamination and moisture ingress. The package is clearly labeled with hazard information and safety instructions, and is transported according to local regulations for hazardous chemicals, ensuring secure, temperature-controlled, and compliant delivery. |
| Storage | 2-((4-Bromophenyl)ethynyl)pyridine should be stored in a tightly sealed container, protected from light and moisture. Keep it in a cool, dry, well-ventilated area, preferably at 2–8°C (refrigerator). Avoid exposure to incompatible substances such as strong oxidizers. Properly label the container, and store away from acids, bases, and direct sources of ignition. Use under appropriate laboratory conditions. |
| Shelf Life | Shelf life: **Stable for at least 2 years** if stored in a cool, dry place, protected from light and moisture, under inert gas. |
|
Purity 98%: 2-((4-Bromophenyl)ethynyl)pyridine with a purity of 98% is used in pharmaceutical intermediate synthesis, where high chemical purity ensures minimal byproduct formation. Melting Point 94-96°C: 2-((4-Bromophenyl)ethynyl)pyridine with a melting point of 94-96°C is used in solid-state material screening, where controlled phase transitions promote stable crystal formation. Molecular Weight 272.08 g/mol: 2-((4-Bromophenyl)ethynyl)pyridine of 272.08 g/mol is utilized in heterocyclic compound development, where precise molecular integration supports reliable structure–activity relationships. Particle Size <10 µm: 2-((4-Bromophenyl)ethynyl)pyridine with particle size less than 10 microns is applied in fine chemical formulation, where enhanced dispersion increases reaction surface area. Stability Temperature up to 130°C: 2-((4-Bromophenyl)ethynyl)pyridine stable up to 130°C is used in high-temperature organic synthesis, where thermal stability maintains compound integrity during processing. Solubility in DMSO: 2-((4-Bromophenyl)ethynyl)pyridine with high solubility in DMSO is employed in solution-phase assays, where excellent solubility enables uniform reagent distribution. NMR Purity ≥99%: 2-((4-Bromophenyl)ethynyl)pyridine with NMR purity of at least 99% is used in analytical reference standards, where high spectral purity ensures accurate quantification. Light Sensitivity Low: 2-((4-Bromophenyl)ethynyl)pyridine with low light sensitivity is utilized in photochemical studies, where resistance to photodegradation enables reproducible experimental results. |
Competitive 2-((4-Bromophenyl)ethynyl)pyridine 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 the world of organic synthesis, demand keeps rising for niche building blocks that push innovation forward and hold up through rigorous testing. Over two decades of manufacturing specialty chemicals have taught us that reliability begins at the reactor and only increases with refinement and transparency. Since launching full-scale production of 2-((4-Bromophenyl)ethynyl)pyridine (Model: BPEP-7129), we’ve seen how essential this compound has become—not just for academic discovery, but for real-world applications that deliver measurable results.
Every batch of 2-((4-Bromophenyl)ethynyl)pyridine coming off our line reflects the attention to detail that separates a diligent manufacturer from those who simply repackage. The crystalline, light-yellow powder appears unassuming, but the performance starts with purity that we maintain at over 98% by HPLC—scrutinized on dedicated instrumentation installed for heterocyclic intermediates. Moisture content stays as low as the process allows, capped by our in-house drying equipment. With a molecular weight around 272.1 g/mol and a melting point in the range of 97–102°C, we’ve achieved reliable physical attributes that meet the tight tolerances research chemists expect.
Over the years, direct feedback from users has driven improvements in our formulation and packaging. As an aryl-alkynylpyridine, 2-((4-Bromophenyl)ethynyl)pyridine entered our product suite due to growing interest from both pharmaceutical chemistry and materials science communities. Researchers use it as a versatile coupling intermediate in the formation of new heterocyclic scaffolds, targeting selective kinase inhibitors and advanced light-harvesting materials. Its symmetrical structure and robust bromine leaving group encourage clean cross-coupling reactions, most notably in Sonogashira and Suzuki–Miyaura methodologies.
In many projects, project managers value the unique combination of a terminal ethynyl linkage and the electron-withdrawing bromophenyl ring. These enhance reactivity and allow for straightforward functionalization. Our clients in OLED and molecular electronics development mention this compound frequently for its stability under typical processing conditions and the precision with which it can be introduced at the desired stage of multistep synthesis. Hospitals and pharma firms often report that reproducibility improves with our product because lot-to-lot differences are practically non-existent, which is the hardest standard to meet in fine chemical production.
What stands out when you handle chemical production directly is the impact of unbroken process oversight. By avoiding intermediaries and owning the supply chain from raw materials through final hydrophobic packaging, we correct early for issues like trace metal contamination or residual solvent carrythrough. Traceability goes beyond batch numbers; we run routine audits, backtrack solvent purity, and monitor reaction exothermicity, no matter how small the change is. Analytical chemists on our team regularly check against reference spectra before sign-off. That level of process rigor frees end-users from avoidable troubleshooting, letting them focus on experimental creativity and product development.
The benefits show up not just in cleaner reactions but in regulatory practices. From our early days making intermediates for the agricultural sector, we learned to anticipate documentation and compliance needs. Each shipment leaves our site with a complete analytical profile including FTIR, NMR, and HPLC chromatograms. Several multinational clients tell us this paperwork shortens their own regulatory review cycles—helping get new molecules into preclinical work or pilot product testing without bottlenecks downstream. Direct value like that rarely comes from secondary sources who can’t trace production past the warehouse floor.
Specifications are promises, not checkboxes. For 2-((4-Bromophenyl)ethynyl)pyridine, we commit to low residual solvents, single-digit ppm heavy metal content, and a uniform particle profile that keeps flow and wetting characteristics predictable for both R&D and manufacturing. Our plant packaging lines conform to the demands of powder-sensitive applications—double-layer moisture barriers, antistatic jars, and inert gas fills to fend off oxidation. This preserves the integrity of the product for months, even in regions with high seasonal humidity.
Handling has evolved by listening to feedback from real users. In the early days, some clients struggled with powder clumping that slowed down automated dispensing. Our process chemists adjusted crystallization conditions and installed vacuum-transfer equipment, which fixed the issue for both small research packs and bulk kilogram shipments. Regular shipping surveys prompt us to retrain warehouse staff on careful stacking, so that neither jars nor drums suffer from compaction or accidental punctures. We document and incorporate every suggestion, because even a single bad experience—such as caking or particle settling—can cascade into lost productivity for a high-value research team.
Challenges keep the chemical industry innovating. One challenge turned up by custom synthesis teams is the need for building blocks that handle both nucleophilic and electrophilic substitutions, so cascade reactions run cleaner and faster. The bromo group on our pyridine allows seamless entry into transition metal catalysis, while the ethynyl moiety stands ready for cyclizations or insertions. It’s this dual reactivity that has secured its place in chemical libraries and synthesis workflows, especially where time is tight and budgets are watched.
Real-world examples prove the point. In small-molecule drug discovery, a team used our product to construct a library of pyridine derivatives for in vitro testing against antibiotic-resistant strains. The reliability of the starting material eliminated unexplained byproducts, shortening troubleshooting from weeks to days and saving both labor hours and costly analytical resources. In another case, a polymer manufacturer scaled up the use of BPEP-7129 for incorporating pi-conjugated systems into new OLED prototypes. The purity, coupled with easy re-dissolution, helped them lock in electronic behavior across early device runs.
Specialty chemicals look similar on a data sheet, but differences appear in the details. As a manufacturer, these differences begin with sourcing and cascade through quality management. Unlike repackagers who purchase on the open market, we screen every precursor for trace contaminants and run them through pilot-scale reactions before transferring to full-scale kettles. This keeps batch consistency high—a necessity for reactions where a few tenths of a percent impurity would derail downstream steps.
Many customers tell us direct-from-manufacturer quality pays off in their hands. Others send side-by-side analysis between our product and material from third-party sources, with ours showing cleaner NMR signals and sharper melting transitions. That attention to detail builds trust. When a global player in photovoltaics asked for a tighter particle size distribution, we retooled our sieving line and produced a customized lot that met their exacting coating process. This ability to respond quickly comes from not relying on brokers or speculative stock.
Making fine chemicals brings responsibilities that go far beyond yield and purity. Our team works every day to cut down solvent waste and energy consumption through process intensification and recycling. Waste streams are monitored, and solvent recovery runs at every shift. We designed our reactor charging lines for closed transfers, which protects both operators and the material itself from unintended exposure. Every member of our staff undergoes annual safety and compliance training. Incidents with personal protective equipment in our plant have dropped by more than half over the past five years, and we document ongoing improvements.
Clients in regulated markets want assurance that products come from a stable, well-run source. Our QC and compliance data meet current standards for ISO 9001 and related programs. Regulatory teams regularly audit our site, and every observation feeds back into how we manage documentation and risk. Reproducibility is more than a manufacturing goal; it's a core principle that affects everything from long-term partnerships to the development of new applications. Where possible, we share new sustainability metrics and best practices with our buyers, because an industry’s safety and environmental culture is only as strong as its weakest link.
Working directly with end-users has kept us grounded about what matters and what just sounds good on paper. Many small-lot chemicals can be found from a multitude of sources, but our feedback reveals that reliability in performance is what sets supply partners apart. Chemists in both academic and industrial sectors tell us they choose direct-supply as much for speed as for peace of mind. Distributors may offer short-term convenience but rarely provide the traceability or technical support that comes with guided manufacturing experience.
Our laboratory staff routinely speaks with buyers to troubleshoot process bottlenecks or supply tailored documentation for grant submissions or regulatory clearances. This type of support only happens when the expertise stays close to the production floor and chemical characterizations are run by teams who understand how the material behaves well beyond basic purity specs. In a field where a single lost week can idle a program, access to real knowledge counts every day.
The distinction between direct-from-plant and bulk-market chemicals shows up in subtle but critical ways. Some third-party suppliers cut corners under cost pressure—skip secondary purifications, dilute with less expensive byproducts, or take shortcuts on packaging. We’ve examined samples from the open market showing up with unexpected adducts or residual hydrogen halides, both of which poison sensitive catalysts. Our plant’s protocols specify analytical post-processing and confirmation of identity and purity using orthogonal methods.
Bulk-market materials can sometimes cost less up front but exact a larger price via lost product yield and batch reprocessing. Several pharmaceutical partners have switched exclusively to our material after project losses related to impurity spikes caused by distributor-supplied batches. The economic benefits of direct supply look bigger over the timeline of whole project cycles—in saved hours, higher yields, lower troubleshooting costs, and reduced scrappage and clean-up waste.
Change in the chemical industry comes from working hand-in-hand with innovators and customers. Over time, patterns emerge: the projects showing the most successful transitions to scale start with the best-characterized building blocks and honest supplier communication. Our job is to adapt to new requirements—like updating packaging for new dispensing machines or increasing the scale of single-lot runs to support pilot and production needs. Years ago, a biotech client came to us with unusual solubility requirements; after several process tweaks, their screening runs went from 60% success up to 95%. That adaptation wasn’t luck—it came from keeping expertise and production control close together.
Our technical staff approach every change as a chance to push standards higher, not just to solve a one-off problem. Often, these improvements find their way into general product lots. For example, addressing clumping issues led to improved powder handling for all of our crystalline intermediates, benefiting every customer in the process. Continuous improvement doesn’t happen by accident, but by design, and direct manufacturer-customer feedback drives that engine.
Customer needs shape the future of specialty chemical supply. The signals we pick up—concerns about batch-to-batch variation, challenges in keeping impurities low, requests for flexible packaging—all find their way into how we develop our process and product lines. As new research opens up in fields like optoelectronics or advanced pharmaceuticals, the demands for more stringent purity and documentation grow sharper. Our job is to keep pace, anticipate potential obstacles, and adjust production or analytics so each lot delivers not just minimum compliance, but true confidence.
Trust builds with every shipment and with every improvement rooted in real laboratory and plant experience. Clients appreciate speaking directly with the professionals making the product, and we take that responsibility seriously. Our field-proven 2-((4-Bromophenyl)ethynyl)pyridine stands as evidence of what experienced chemical manufacturing can accomplish: quality that carries forward into the next breakthrough or commercial product line. We continue to listen, adapt, and deliver—so that chemistry keeps moving, project after project, without compromise.