|
HS Code |
192640 |
| Chemical Name | 2-Chloro-3-nitropyridine |
| Cas Number | 5470-18-8 |
| Molecular Formula | C5H3ClN2O2 |
| Molecular Weight | 158.54 |
| Appearance | Yellow to brown solid |
| Melting Point | 80-84°C |
| Boiling Point | 290°C (estimated) |
| Density | 1.53 g/cm3 (estimated) |
| Solubility | Slightly soluble in water, soluble in organic solvents |
| Synonyms | 2-Chloro-3-nitro-pyridine |
| Smiles | c1cc(nc(c1)Cl)[N+](=O)[O-] |
| Inchi | InChI=1S/C5H3ClN2O2/c6-4-2-1-3-7-5(4)8(9)10/h1-3H |
As an accredited 2-Chloro-3-nitropyridine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Sigma Aldrich 2-Chloro-3-nitropyridine (25g) comes in a sealed amber glass bottle with a white screw cap and hazard labeling. |
| Shipping | 2-Chloro-3-nitropyridine (chemical grade) is shipped in tightly sealed, chemically resistant containers appropriate for hazardous substances. The shipment complies with international and local transport regulations (such as DOT, IATA, IMDG), requiring proper labeling, documentation, and handling. Temperature and moisture protection is ensured during transit. Only authorized carriers handle deliveries. |
| Storage | 2-Chloro-3-nitropyridine should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong bases and oxidizing agents. Keep it protected from moisture and direct sunlight. Ensure storage is in compliance with safety guidelines, such as those provided by Sigma Aldrich or TCI, and label the container clearly. |
Competitive 2-Chloro-3-nitropyridine prices that fit your budget—flexible terms and customized quotes for every order.
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In any chemical manufacturing operation, some products challenge the team’s skill and demand repeatable discipline across every shift. 2-Chloro-3-nitropyridine sits firmly in that category. In our facility, we handle the organic process daily, turning out 2-Chloro-3-nitropyridine that consistently meets stringent expectations from research chemists and process engineers around the globe. For years, we have monitored each batch with careful analysis—not just for compliance, but for reliability, with a close eye on the impurities that can compromise end results downstream.
Our team cut its teeth scaling up heterocyclic chemistry, and 2-Chloro-3-nitropyridine became a key focus for the precision it brings to intermediates—particularly in the pharmaceutical, agrochemical, and pigment fields. The compound’s chemical structure allows selective substitution and coupling. It contains a reactive chlorine at the 2-position and a nitro group at the 3-position on the pyridine ring, opening the door for nucleophilic aromatic substitution or further aromatic functionalization. In our line, we hear from process chemists who rely on this reactivity to construct complex molecules, whether for clinical candidates, crop protection actives, or new organics for specialized applications.
Every gram of our 2-Chloro-3-nitropyridine is produced with a hands-on approach, backed by rigorous methods. Most manufacturing occurs at hundred-kilo scale using glass-lined reactors, employing chlorinating and nitrating steps developed to minimize byproducts. Final product takes the form of a pale yellow to light brown crystalline solid, typically with a melting point verified across multiple samples per lot. We regularly achieve purity upwards of 98% by HPLC, with residual moisture and volatile organics kept below the thresholds needed for demanding synthesis projects.
We work with material scientists and analytical chemists to tighten our controls further. The finished compound is filtered, dried under vacuum, and packed under anhydrous conditions to cut down on hydrolysis and caking. Each container is nitrogen-flushed to protect integrity during storage. Some customers request particle size analysis, knowing that performance in their reactors depends on how the solid disperses or dissolves. Care in each step shows up in the results—fewer purification issues for downstream steps, and reproducibility batch after batch.
Requests come in from across industries, but no two buyers use 2-Chloro-3-nitropyridine quite the same way. A pharmaceutical team pushes for the lowest trace metals, knowing catalyst residues could poison their next catalytic amination. An agricultural laboratory watches out for halogenated impurities that might show up in field toxicology screens. For pigment or fine chemical development, color and solubility move to the front of the checklist—trace colored byproducts in the nitro or chloro steps can cause issues in downstream dyes, so we tailor purification and analytic methods accordingly.
It's experience that sets us apart. Chemists can run reactions by the book, but commercial scale ups throw curveballs: unplanned exotherms, stubborn emulsions, contamination bywater, or the small shifts in supplier quality of starting materials that trip up even established synthetic routes. Our operations, always managed by teams familiar with these real-life scenarios, allow us to anticipate and correct these problems before they reach a client’s hands. Often, we solve compositional puzzles alongside customers, working up new grades or modifying drying procedures to match their protocols.
From first-hand experience, handling 2-Chloro-3-nitropyridine safely means much more than box-checking compliance certificates. Our process engineers design protocols to contain dust and vapors, reduce skin and respiratory exposure, and recycle solvents wherever feasible. Waste streams are tracked and neutralized with an eye to rigorous environmental standards, not just for the regulators but for our own peace of mind.
Operators suit up for each reaction and filtration. The equipment’s designed to minimize manual intervention, and air handling is run above standard filtration to keep particulates and trace volatiles from ever leaving the plant. Our on-site lab runs batch samples monitoring chlorinated or nitrated biproducts, so nothing leaves the site unless it meets our expectations for worker safety and environmental responsibility. Our facility’s wastewater treatment system destroys any excess reagents or organic contaminants, closing the environmental loop.
In the broader pyridine family, options abound for functional group patterning. Yet, achieving selective reactivity in a scalable way can be elusive. For those working on the benchtop, 2-Chloro-3-nitropyridine offers a rare blend of a ‘good leaving group’ at the two position—making it ideal for nucleophilic aromatic substitution—with the electron-withdrawing nitro positioned at three. That particular substitution pattern not only influences electron density but also steers reactivity so that selectivity comes naturally in many coupling and cyclization reactions.
Contrast that with other nitro- or chloro-pyridines, and subtle differences show up. Swap the nitro group to position four, and regioselectivity shifts—a big deal in multi-step syntheses where downstream yields depend on predictable reactivity. Move the chlorine to another carbon, and you lose the balance between activation and stabilization provided by the 2-chloro, 3-nitro setup. Our chemists rely on firsthand feedback from development labs; each functional group placement changes not just reactivity, but purification steps, side product profiles, and long-term storage stability.
The structure also determines handling. For instance, compared to other nitro pyridines, 2-Chloro-3-nitropyridine, though a solid, handles well with minimal clumping, easing the dosing for automated feeders. Some pyridine derivatives, with different functionalization, tend to absorb moisture or degrade on storage—features that drive up costs or require extra care. After years working with a variety of these molecules, we focus on producing 2-Chloro-3-nitropyridine batches with consistent density, particle form, and low tendency to cake under ambient conditions.
We do not just synthesize 2-Chloro-3-nitropyridine; our daily routine means watching trends and making micro-adjustments based on plant data. Anomalies in reaction monitoring or a drift in downstream crystallization never go ignored. Operators check solubility curves and crystallization rates, documenting even subtle shifts. If a dryer load runs hotter or a feedstock impurity creeps up, our analytical lab flags it before product release.
Customer audit teams walk the plant floors and review not just specifications, but process records and deviation reports. Many partners want to see our raw traceability books and in-process control logs, so we keep these detailed and ready for inspection. Trace metals, halogens, solvents—all analyzed for each batch. Throughput never compromises quality; we maintain parallel stock of QC-approved material and next-generation samples for customers running process trials or new product development.
No two users work with 2-Chloro-3-nitropyridine the same way, so we listen closely to reports from the field. Some laboratories run pilot batches to troubleshoot scale-up reactions; their feedback tells us which contaminants or physical properties matter most. If a fine chemical development team faces filtration bottlenecks, we may screen for finer particle size fractions. In pharmaceutical settings, a single out-of-spec impurity leads to changes in our purification sequence or extra monitoring for certain byproducts.
Just as often, storage stability in remote regions or sharply fluctuating climates comes up. Water absorption, container leaching, and product aging—these issues shape our packaging decisions and set the standards in our warehouse routines. The result is a back-and-forth between teams designing new synthetic routes and our operators who keep the process on track, leading to upgrades in both plant practice and documentation.
Regulatory landscapes change quickly. In recent years, we have seen new environmental and safety demands at both the global and local levels. Our compliance team works directly with operations and R&D to update documentation—but just as critically, we upgrade synthesis routes or employ greener reagents. Pressure to cut certain solvents and tighten emissions brings daily refinement to our processes. As customer formulations evolve, the appetite for tighter control over trace components grows.
We have adopted digital process tracking as a standard, tracking every batch through manufacture and shipment. This means we can deliver real-time data and documentation to partners, supporting everything from regulatory submissions to quality complaint investigations. Continual investments in reactor control, solvent recovery, and analytics enable us to continue offering a product trusted for critical applications.
As a manufacturer, we see the whole project through—from raw material procurement, through reaction engineering, to shipment logistics. No batch leaves our plant without at least two layers of manual sign-off—experienced eyes check each record, backed by years in production. Regular supply interruptions, shifting specs, or missing certificates frustrate both users and producers; our approach is to anticipate these issues through careful planning and building redundancy into our systems.
For large orders, we coordinate production scheduling to align with client consumption rates, smoothing out the headaches of storage and handling. Emergency orders get priority placement in the queue, and our logistics chain is built to handle hazardous materials safely—avoiding unnecessary delays. Our team stands ready to clarify technical questions, troubleshoot any shipping damage, or provide supporting documents for customs or safety officers. That accessibility, time-tested over the years, has brought trust with partners who depend on uninterrupted stable supply lines.
Partnership with industrial and academic chemists has always been a two-way process. As customers develop more complex synthesis routes or chase ambitious targets in pharmaceuticals, crop protection, and advanced materials, our feedback loop gets even tighter. Sometimes customers propose alternate synthetic approaches or want to trial greener catalysts; our process team runs parallel experiments to verify whether the proposed change will scale and still yield high-purity 2-Chloro-3-nitropyridine.
Discussions with regulatory and environmental specialists have sparked new process modifications. If a byproduct raises a flag, or a certification body requests even tighter control of an impurity, our lab responds with targeted process improvements or new analytic protocols. These changes do not just follow shifting industry norms—they feed into the expertise and data pool that keep our operation robust and forward-looking.
Most producers can detail the synthetic steps that yield 2-Chloro-3-nitropyridine, but keeping the process cost-effective, reliable, and scalable takes on-the-ground insight. We work constantly to lower our environmental footprint, increase yields, and improve recovery of all input streams to protect both margins and ecosystem health. We analyze process data to find incremental upgrades—sometimes swapping out a reagent, other times improving the sequence of drying and packaging, all based on real results, not just best-guess predictions.
Our approach to improvement stays real: feedback from the people running the reactors matters as much as the data from the laboratory. If a repeated maintenance issue or handling constraint emerges, it becomes an action item in the next production round. Day-to-day involvement by the same personnel fosters institutional knowledge that cannot be replaced by specs or written protocols alone.
Demand crosses industries, yet most markets see fluctuating requirements as R&D priorities shift or regulatory frameworks change. We track market movement, keep extra raw materials in reserve, and forecast future demand based on actual buying patterns—not just projections. Large buyers often request advance visibility on capacity or planned shutdowns, which our production planners incorporate into their quarterly reviews. Full transparency is the standard: if an issue affects delivery, we proactively communicate so customers adjust accordingly.
We believe in demystifying the supply chain. Shipping incidents, regulatory holdups, or raw material shortages all impact global sourcing; rather than downplay those risks, we manage and share them upfront. Our relationships with freight forwarders, customs handlers, and regulatory advisers keep our product on the move, even in years where logistics get complicated for everyone. For users in distant markets, knowing their material comes directly from the source—produced, tested, and released by people with skin in the game—provides both confidence and continuity.
For many at our facility, 2-Chloro-3-nitropyridine is more than just another product code. For process engineers, QC specialists, logistics staff, and management, each batch represents years of accumulated experience and daily vigilance. In a world driven by exacting standards and regulatory pressures, having a partner with genuine manufacturing insight makes the difference between a project that advances and one that stalls.
As chemistry, compliance, and industrial priorities evolve, our direct handling of 2-Chloro-3-nitropyridine keeps us grounded—always listening, always adapting. We share these experiences not just as a sales pitch, but as a commitment to better, safer, and more reliable products. Every kilogram that leaves our plant reflects lessons learned, problems solved, and responsibility taken—qualities that only true manufacturers can guarantee.