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HS Code |
475123 |
| Product Name | Di-2-Pyridylglyoxal |
| Cas Number | 3884-21-7 |
| Molecular Formula | C12H8N2O2 |
| Molecular Weight | 212.20 g/mol |
| Appearance | Yellow to yellow-orange solid |
| Melting Point | 169-172°C |
| Solubility | Soluble in DMSO, methanol, and ethanol |
| Purity | Typically ≥97% |
| Boiling Point | Decomposes before boiling |
| Storage Temperature | Store at 2-8°C |
| Iupac Name | 2-(2-pyridyl)-2-oxo-1-(2-pyridyl)ethanone |
| Smiles | C1=CC=NC(=C1)C(=O)C(=O)C2=CC=CC=N2 |
As an accredited Di-2-Pyridylglyoxal factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Di-2-Pyridylglyoxal is packaged in a 5-gram amber glass bottle, sealed and clearly labeled with hazard and identification information. |
| Shipping | Di-2-Pyridylglyoxal is shipped in tightly sealed, chemically-resistant containers to prevent contamination and moisture exposure. It should be transported under ambient conditions unless otherwise specified, and handled by trained personnel. All applicable regulations for the shipping of laboratory chemicals, including hazard labeling and documentation, must be strictly followed. |
| Storage | Di-2-Pyridylglyoxal should be stored in a cool, dry, and well-ventilated area, ideally in a tightly sealed container to prevent moisture and air exposure. It should be kept away from heat sources, direct sunlight, and incompatible substances such as strong oxidizers. Ensure proper labeling and store at recommended temperatures, typically at room temperature or as specified by the manufacturer’s guidelines. |
Applications of Di-2-Pyridylglyoxal in Industrial ManufacturingAs an established producer of Di-2-Pyridylglyoxal, we supply this specialty intermediate to OEMs and industrial users for advanced synthesis in several tightly specified, regulation-driven markets. Below we outline key application sectors where our Di-2-Pyridylglyoxal delivers documented value, including compliance, implementation methodology, and end-use products based on direct customer adoption. 1. Pharmaceutical API Intermediate SynthesisPharmaceutical manufacturers regularly employ Di-2-Pyridylglyoxal as a building block in heterocycle construction and complex ligand formation, particularly for pyridine-containing small molecule drugs. In this application, its dialdehyde functional groups participate in creating nitrogen-containing frameworks central to various API scaffolds, typically through condensation and cyclization steps. Each deployment adheres strictly to GMP expectations, with full traceability and batch segregation. Industry compliance standards
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2. Metal Chelate Catalyst ManufacturingSpecialty catalyst producers utilize Di-2-Pyridylglyoxal to prepare tailored bidentate ligand systems for metallic coordination complexes, especially in palladium, copper, and iron-based catalytic systems. These chelates support controlled selectivity in homogenous catalysis and facilitate high turnover rates in industrial polymerization and cross-coupling reactions. Rigorous in-process validation and raw material control are prerequisites to meet end-user catalyst reproducibility standards. Industry compliance standards
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3. Analytical Reagent Preparation for Heavy Metal DetectionAccredited laboratories and in-vitro diagnostics manufacturers rely on Di-2-Pyridylglyoxal to synthesize chromogenic reagents and derivatization agents enabling trace-level detection of iron, copper, and other transition metals in environmental, clinical, and food matrices. Its ability to form characteristic, quantifiable chelates delivers specificity and colorimetric sensitivity required in spectrophotometric test kits and automated analyzers. Compliance with international method validation and reference standard use is essential for market acceptance. Industry compliance standards
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4. Specialized Polymer Crosslinking Agent in Polymeric Materials R&DAdvanced materials developers introduce Di-2-Pyridylglyoxal as a controlled crosslinking agent in research-stage and pilot-scale syntheses of functionalized polymers. The dialdehyde moiety reacts with amino-functionalized polyacrylamides or biocompatible hydrogels, imparting tunable chelation properties, mechanical reinforcement, or affinity for transition metals. Only laboratories working within established material safety and polymer chemistry regulatory frameworks apply this intermediate, with direct effect on resulting polymer properties. Industry compliance standards
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Years at the reactor’s side have shown just how sharp the distinction can be between a good starting material and a great one. Di-2-Pyridylglyoxal, with its unique arrangement of two pyridyl groups at the glyoxal core, stands out at the bench—not simply for structure, but for clean outcomes. This chemical does its job in the hands of researchers who care about minimizing side reactions, keeping byproducts down, and focusing on the transformation at hand. We synthesize this compound in lots that scale from grams to hundreds of kilos, always with attention to the nuances that come from hands-on experience in production: color stability, batch-to-batch reproducibility, smooth crystallization, and ease in downstream processes. These are not accidental traits; they grow out of careful control at each stage.
The standard model of our Di-2-Pyridylglyoxal is set at a purity that meets the needs of research and scale-up chemistry. The crystalline solid typically lands at a melting point near 104-107 °C, with GC and NMR verifications run for every batch. That melting range signals correct structure and good storage conditions, helping avoid problems with degradation before complex synthesis projects even begin. Labs that order from us sidestep the troubleshooting that comes with off-color or impure material. Transparent yellow crystals, sharp melting, and no ambiguous peaks on the spectra tell their own story. This is a result of drying under high vacuum to remove moisture, filtering out trace metal contaminants, and constant monitoring of the glyoxal’s reactivity over time.
Chemistry often rewards those who watch the small details. Our staff learned from past projects that Di-2-Pyridylglyoxal takes up water if the container seal slips. This water presence sours reaction outcomes. So, we train technicians to pack quickly and tightly, with desiccant used in every jar, and storage conditions set to avoid condensation or high-humidity swings. End-users often comment that the appearance stays fresh from the first opening to the last gram used. Our workflow keeps the product mobile and free-flowing, never caked or sticky—no need for forceful scraping or extra drying.
Countless research groups rely on Di-2-Pyridylglyoxal for its role as a chelating agent and as a building block for heterocyclic compounds. Its coordination chemistry with transition metals opens up strong, selective complex formation, which becomes crucial in catalyst development and analytical ligand design. Our customers in pharmaceutical labs use it to craft key intermediates—those steps where trace impurities would otherwise introduce noise or fail downstream testing. Anyone using advanced synthetic routes, like the formation of dipyridyl-imines or Schiff bases, benefits from a reagent that keeps side products minimal and performance predictable. Reactions in acetonitrile, ethanol, or DMSO all run cleanly with our batches, as long as solvents are dry and the setup stays sealed from the air.
We watch our reactors, not just the statistics. Uncontrolled oxidation leads to extra color; incomplete drying results in sluggish reactivity. We confront these issues head on by working with high-purity pyridine and strict glyoxal handling, never skipping basic steps for short-term gain. Every kilogram packaged sees in-house analytical checks for purity, moisture, and residual solvents, because we learned long ago that even a few ppm of impurity can show itself in a long multi-step synthesis. Our attention to the cooling rate during crystallization finishes the job; too fast, and the product forms needles that catch dust; too slow, and the batch may trap solvent. It’s a balance that only experience teaches.
Di-2-Pyridylglyoxal is often compared to unsubstituted glyoxal or mono-pyridyl variants. Single-pyridyl glyoxals react less cleanly in metal complexation steps, leading to mixtures rather than single compound isolates. We have seen that the dipyridyl derivative avoids tars common to simpler analogues. Other suppliers sometimes offer “technical grade” material; production shortcuts here bring in trace side products or surface decomposition that builds up in the flask. Our customers, who run multi-step synthetic campaigns with tight timelines, quickly learn the cost of even small impurities—lost yield, wasted purification time, failed chromatographic separations. This is why we have built operations around batch integrity over flashy marketing or price wars.
Feedback loops with users have pushed us to improve in places where it matters. Solubility tests in polar and nonpolar solvents, monitoring for batch homogeneity, reviewing storage conditions after extended transport—every step arose from honest mistakes and customer feedback. If a package arrives clumped or discolored, we trace back through the process, identify root causes, and adjust protocols. No marketing language fixes a decomposition issue; only revising handling, improving packaging design, and investing in robust quality control makes an impact over time. We document every complaint and use it to tune our daily operations. Many upgrades in our packaging—double bottle seals, extra tamper indicators, updated desiccant materials—stem directly from learning what does and doesn’t survive real conditions outside the lab.
Research labs often need hundred-milligram vials, while scale-up operations request kilos for pilot plant trials. The jump from grams to kilos isn’t just about making more; it’s about ensuring the same physical characteristics and purity are present at every volume. Di-2-Pyridylglyoxal doesn’t forgive cutting corners in reaction workup or storage. We run pilot lots for each scale jump, verifying stability over time, stress-testing packaging, and checking thermal profile consistency. Matching NMR, GC, melting range, and moisture content between production lots offers our end-users the confidence to expand without revalidating every single step. This approach supports both publication-worthy academic research and repeatable industrial runs.
Some chemists look only at per-gram cost, but the veterans measure value by how many successful reactions come from a bottle. Di-2-Pyridylglyoxal’s price in the catalog reflects months spent fine-tuning purification, optimizing crystallization, and tightening up our packing and logistics. We spend on quality solvents and high-grade raw materials, knowing cheaper alternatives muddy the product and endanger downstream processes. Over our years in production, the cheapest source usually brings the most hidden problems: blocked columns, inconsistent melting points, variable color, and even failed regulatory registrations down the line. Customers with long project horizons learn this through experience; starters should heed those lessons.
Anyone in the business of time-sensitive chemistry knows how frustrating it feels to wait on a late delivery or to open a bottle that’s not as expected. We plan our logistics calendar around busy research cycles, avoid shipping in extra-hot or humid months, and always keep backup inventory for emergencies. Our shipments include cold packs during the summer and extra weatherproofing during the rainy season. If a package doesn’t land in usable condition, we replace it at our cost, not the customer’s. This direct approach builds real trust. Years of shipping to distant university labs, pharmaceutical development hubs, and government institutes have tested and shaped how we operate.
We believe manufacturers bear responsibility for both the handling and downstream fate of specialty chemicals. Our process minimizes waste by maximizing product yield and capturing volatile byproducts before they leave the reactor. We recycle solvents and recover as much starting material as possible at every step. Personnel receive regular training on best safety practices, especially on glyoxal and pyridine exposure, both for their own health and the safety of end-users down the line. Used containers get cleaned and recovered instead of dumped. Safety data and environmental impact reports are always available for review—not just because regulations require them, but because responsible testing and reporting have long-term impacts for everyone in the chain. Caution and transparency matter most in specialty chemical manufacturing.
We never treat orders for Di-2-Pyridylglyoxal as faceless transactions. Every feedback call, microgram-scale analysis, and logistics update helps drive improvement. We remember early years of producing this molecule, when product losses and slow feedback cost time and money. Now, open discussion with academic groups, process chemists, and pilot plant teams has turned user experience into a hardwired part of how we work. Mistakes get acknowledged and fixed openly. We have learned from customer discoveries in new reaction technologies, sometimes adjusting our own production techniques in response. This open communication keeps the product matched to the changing demands of real chemistry work.
Some users seek interchangeable substitutes, thinking any glyoxal will do a similar job. In practice, we’ve seen too much wasted effort that way. Crop protection compound syntheses collapse if the glyoxal source contains oxidized or polymerized impurities. Fluorescent ligand synthesis runs poorly with excess water content. We constantly run in-process control checks for trace pyridine, glycolaldehyde, and air-sensitive byproducts. We think these checks save our users more money down the road than any standardized data sheet ever could. Other manufacturers may quote numbers on spec sheets, but thorough production and close-out testing, re-validating each lot in real usage conditions, makes the difference in finished works.
Over the decades, our factory crews learned that textbook conditions rarely match reality. Seasonal humidity shifts the behavior of crystalline products. A slight variation in raw material lot can tilt the color or flow of finished product. We respond by building flexibility and constant review into our approach. We store, pack, and ship based on real-world feedback, not only theory. And since every mistake or missed detail lands directly back to us, our focus always tightens on providing usable, reliable product that meets the evolving needs of chemists in the field.
With rapid changes in catalyst design, advanced materials, and pharmaceutical innovation, demand for Di-2-Pyridylglyoxal keeps shifting. We stay in close contact with users developing sustainable synthesis routes, organometallic frameworks, and analytical technologies. From research on metal-organic frameworks for gas storage, to imaging agent development in medical diagnostics, the requirement for low-impurity, high-consistency building blocks keeps growing. Regulatory scrutiny also tightens with each year—trace levels of unwanted byproducts now see attention that would have escaped notice a decade ago. We prepare by tightening controls, increasing our in-house testing spectrum, and staying connected to published advances. Our outlook acknowledges both the challenges and the opportunities, recognizing this field demands relentless attention and flexibility.
Making Di-2-Pyridylglyoxal goes beyond chemistry equations. Results come from people who care about clean bottles, clear spectra, honest timelines, and trustworthy logistics. Every customer project using our batches ties back to multiple hands and hundreds of hours spent getting production right. We take pride in seeing our work show up in successful syntheses, published research, and scalable manufacturing campaigns. In our view, quality finds its roots in active management of every step from raw material to delivery—not in glossy brochures or sales talk, but in each test, package, and user conversation along the way. This approach keeps us grounded and responsive, always ready to improve as the science—and the challenges—move ahead.