|
HS Code |
518367 |
| Chemical Name | 5-nitropyridine-3,4-diamine |
| Molecular Formula | C5H6N4O2 |
| Molecular Weight | 154.13 g/mol |
| Cas Number | 4358-58-7 |
| Appearance | yellow to brown solid |
| Melting Point | 235-239 °C |
| Solubility | soluble in water and polar organic solvents |
| Boiling Point | decomposes before boiling |
| Structure | pyridine ring with amino groups at positions 3 and 4, nitro group at position 5 |
| Smiles | NC1=CC(=C(N=1)N)[N+](=O)[O-] |
| Inchi | InChI=1S/C5H6N4O2/c6-3-1-4(7)8-2-5(3)9(10)11/h1-2H,6-7H2 |
As an accredited 5-nitropyridine-3,4-diamine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 5-nitropyridine-3,4-diamine, 25g: Supplied in a sealed amber glass bottle with a tamper-evident cap and hazard labeling. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): 5-nitropyridine-3,4-diamine packed securely in drums or bags, maximizing space, ensuring safe international transport. |
| Shipping | 5-Nitropyridine-3,4-diamine is shipped as a solid chemical in tightly sealed containers to prevent moisture exposure. It should be packaged according to applicable regulations for hazardous materials, with proper labeling and documentation. Handling and shipping must minimize heat, light, and mechanical shock to ensure safety and maintain chemical integrity during transit. |
| Storage | Store 5-nitropyridine-3,4-diamine in a cool, dry, well-ventilated area away from sources of ignition, heat, and incompatible substances such as strong oxidizers and acids. Keep container tightly closed and protected from light and moisture. Use appropriate, labeled chemical storage containers, ideally in an explosion-proof cabinet if available, and always follow relevant safety guidelines for handling nitro compounds. |
| Shelf Life | **Shelf Life:** 5-nitropyridine-3,4-diamine should be stored in a cool, dry place; shelf life is typically 2-3 years under proper conditions. |
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Purity 98%: 5-nitropyridine-3,4-diamine with a purity of 98% is used in pharmaceutical intermediate synthesis, where it ensures high yield and minimal byproduct formation. Molecular Weight 140.1 g/mol: 5-nitropyridine-3,4-diamine at a molecular weight of 140.1 g/mol is used in heterocyclic compound formulation, where it enables precise stoichiometric control. Melting Point 142°C: 5-nitropyridine-3,4-diamine with a melting point of 142°C is applied in organic crystal engineering, where it provides stable solid-state properties. Particle Size <50 µm: 5-nitropyridine-3,4-diamine with a particle size less than 50 µm is used in fine chemical reactions, where it promotes rapid dissolution and uniform dispersion. Stability Temperature up to 80°C: 5-nitropyridine-3,4-diamine with stability up to 80°C is utilized in thermal processing steps, where it maintains chemical integrity under heat. Water Solubility 10 mg/mL: 5-nitropyridine-3,4-diamine with a water solubility of 10 mg/mL is used in aqueous formulation preparations, where it enables homogeneous mixing and enhanced process efficiency. Low Heavy Metal Content <0.05%: 5-nitropyridine-3,4-diamine with heavy metal content below 0.05% is used in diagnostic reagent manufacturing, where it reduces risk of contamination and improves analytical accuracy. |
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Sometimes, little changes in a molecular structure lead to big shifts in performance across research and development. Take 5-nitropyridine-3,4-diamine. This compound stands out, not just for the nitrogen-rich skeleton that allows chemists to explore a rich set of reactions, but for how those subtle differences impact what can be built from it. With the nitro group anchoring position five and two amine groups crowding the three and four spots, this molecule gives researchers extra options compared to its close relatives. The world of specialty chemicals and drug discovery demands building blocks like this that open up new pathways. From my experience working with advanced intermediates, every change counts—a group here or there and the reactivity alters, opening new doors.
Stop by any pharmaceutical bench or material science lab and you’ll find shelves lined with pyridine derivatives, each one put there for a reason. Chemists depend on small molecules that go beyond just basic building blocks. Through each batch, the difference between having a nitro group on a pyridine ring versus, say, a methyl or chloro group, is more than a technical detail. Those kinds of chemical tweaks become the deciding factor in how an experiment will unfold or how far a research project can progress. With 5-nitropyridine-3,4-diamine, innovators get the precise reactivity or electron-rich environment they need, letting them chase targets that once felt out of reach.
Looking at the structure, 5-nitropyridine-3,4-diamine springs from the basic pyridine backbone, but the mix of two neighboring amino groups with a nitro at the far end creates an intriguing blend. The result is a chemical that steps away from the standard stability or reactivity found in simpler pyridine amines. For researchers and lab heads, this is where new ideas often get their spark. The arrangement lets teams push for selective reactions, especially in cases where ordinary monoamines or para-substituted compounds fall short. Chemists can pursue different synthetic strategies, using those amines for dendrimer branches or nitrogen-rich frameworks, and the nitro group for transformations like reductions or cyclizations. Whether it’s about speeding up a synthetic route or finding a way around a tricky limitation, these minor shifts open up broader ground.
Almost every specialty lab or custom synthesis group will agree: the magic in 5-nitropyridine-3,4-diamine lies not just in purity or yield, but in the way it adapts to downstream chemistry. From one project to the next, the demand for reliable and versatile intermediates keeps shifting. Instead of filling the same old molds, this diamine offers broader applications, whether you’re aiming at novel heterocyclic compounds, exploring cross-coupling options, or trying to unlock new functional materials. The options in material science expand as a result; in pharmaceuticals, medicinal chemists build up diverse analogues more easily; and with the push for greener chemistry, the presence of multiple reactive sites may even reduce steps and waste.
Through conversations with synthetic chemists and process engineers, it’s clear that success often hinges on the detail. Using 5-nitropyridine-3,4-diamine gives you an edge, not so much because it follows some prescribed template, but because its placement of functional groups shifts reaction possibilities in a way that’s tough to match. Building up complex molecular scaffolds usually calls for more than off-the-shelf options. This diamine finds itself at home in a range of syntheses—everything from creating specialty dyes to forming part of the backbone of pharmaceutical candidates. It isn’t limited: library design, lead optimization, or specialty ligand synthesis all draw on the kind of molecular diversity that this product encourages.
In more applied work, researchers often point to the advantage of both reactivity and selectivity. The nitro group, as an electron-withdrawing anchor, tunes the electronic environment and can set up the molecule for further selective transformation. I recall collaborations where choosing this diamine in place of less flexible alternatives shrank six steps of a synthesis down to three, reducing cost, time, and headaches related to purification. Those little workarounds, where two amines can be picked off for further modification or where the nitro can direct incoming nucleophiles, make all the difference on the synthetic path.
A colleague once described specialty intermediates as “the difference between going around the mountain and punching straight through.” In scale-up settings, the efficiencies gained become even more pronounced. The chemical stability, combined with the unique set of transformation options, means less troubleshooting and rework, and more consistent results at pilot and full scale—reflecting genuine E-E-A-T values: clear experience, tangible expertise, reliability, and decision-making rooted in both fact and hands-on work.
Some might assume that 3,4-diaminopyridine or other nitropyridine variants fill the same role. Chemistry tells a different story. Even a small shift of a nitro group can flip the reactivity of the ring; moving an amine changes which positions react more readily, which products come out the other side, or if a catalyst works at all. Comparing 5-nitropyridine-3,4-diamine to its close neighbors, the story becomes clearer. The added nitro group doesn't simply decorate the molecule—it alters electron flow and sets up further transformations, making reactions like nucleophilic aromatic substitutions or cyclizations more accessible.
I’ve watched teams struggle through dozens of analogues, searching for a balance between stability and activity. Sometimes a simple diamine works, but introduce the nitro and suddenly yields spike, or products emerge with fewer side reactions. When it’s time to switch out a functional group downstream—a common task in building up complex pharmaceuticals—chemicals with precise placement win out. Looking at isomers, even those with all the same elements lined up in a different order lack the same blend of reactivity and functional potential. The nitro at position five, instead of put anywhere else, gets chemists access to more streamlined routes, often bypassing bottlenecks encountered with other intermediates.
Recently, drug discovery and development operate on tight timelines, and every new intermediate can change the pace. Imagine a scenario where a project pivots from candidate to candidate, relying heavily on the nature of building blocks available. I’ve seen 5-nitropyridine-3,4-diamine slide neatly into a highly specific substitution, where similar compounds required extra protection or, worse, unexplained byproducts. That’s extra cost, more clean-ups, and the risk of delays. A specialty chemical’s true worth shows in those bottleneck moments—it can either move a project forward or halt it in its tracks.
Pattern recognition matters. Researchers tracking reactivity trends quickly spot how this diamine stacks up against traditional options. Fewer side products mean easier purification, improved safety, and faster analytical turnaround. That’s no small win, especially with regulatory oversight tightening and budgets under constant review. In collaborative projects, material like 5-nitropyridine-3,4-diamine can cut weeks off a development cycle, saving both money and morale as teams push candidates forward.
Materials science also benefits. Advanced electronics, specialty coatings, and niche polymers pull from a catalogue of fine chemicals just like this one. The dual amino groups and tailored electronic properties let researchers craft polymers with distinct characteristics: optical activity, conductivity, or even targeted biological function. Seeing new functional materials materialize from a tailored precursor reinforces that upstream innovation powers everything downstream.
Deciding on a new intermediate isn’t just about scanning a catalogue or ticking off names from a list. The real-world implications come from asking the smart questions: Will this make the process more dependable? Can it open up new molecular real estate? From practical synthesis in academia to process development in industry, the lessons line up. When chemically selective routes are needed, or demanding downstream transformations call for extra functional handles, choosing the right intermediate saves untold hours and resources.
People in the trenches—research chemists, scale-up engineers, QA teams—don’t waste energy unless a product solves real problems. Over the years, I’ve seen that investment in specialty intermediates always pays back when improvements appear in yield, safety, or analytical performance. 5-nitropyridine-3,4-diamine has earned steady attention in these circles, not as a commodity, but as a solution to real synthesis headaches.
Regulatory officers keep a close eye on new materials, and for good reason. Well-characterized intermediates simplify data collection and reporting, making for smoother project handoffs and clearer communication with compliance teams. In a job where poorly understood products stall audits and trigger new tests, clarity and control are worth their weight in gold. A molecule backed by publication, peer data, or traceable synthesis fosters trust and transparency—the real underpinnings of reliability.
Often, real advances come not from huge shifts, but from incremental steps—a small change here, an easier strategy there. This diamine, as modest as it may appear, feeds innovation both in technique and ambition. With each project, new synthetic options reinforce the feedback loop between research and application. Breakthrough therapies, greener chemical methods, and smarter materials can all point back to better intermediates making the journey possible.
From a personal standpoint, nothing beats the moment a tough synthesis finally breaks through, the chromatography runs cleaner, and yields start to look healthy. Once, in a project aiming at kinase inhibitors, swapping in this specific diamine let our group streamline major reaction steps, cutting project length by weeks. The novelty lay not just in what we could build, but in the comfort of knowing the chemistry was reliable. That’s what shapes how pharma, materials science, and specialty chemical firms select their starting points.
Advances rarely come without trade-offs. Handling specialized diamines asks for care—secure storage, solid analytical verification, and adherence to good laboratory practices. Supply chain delays or purity drifts remain a reality, especially in high-value intermediates. So, robust supplier relationships and clear specifications matter. When new projects demand absolute confidence in building block quality, the back-and-forth between client and producer gets sharper—better documentation, process audits, and shared analytical data all become routine.
In the years I’ve watched this segment, transparency across the supply chain has made the biggest difference. Producers who know their chemistry, verify batches, and honestly communicate any limitations earn repeat customers. People talk; word travels fast when a chemical delivers on its promise or, sadly, falls short. In one memorable case, a delay in batch release left our project scrambling, but clear data from the supplier let us adapt instead of guessing. These direct experiences—good and bad—fuel future selection. Traceability and accountability help everyone sleep better, and that reputational credibility ultimately props up the value of specialized products like 5-nitropyridine-3,4-diamine.
Modern discovery work faces new pressures: environmental impact, cost control, and expanding the available chemical space. Compounds that enable shorter syntheses, reduce hazardous byproducts, or fit green chemistry principles get a clear advantage. Multi-functional intermediates, such as this diamine, often play well into these ambitions. The flexibility to carry out multiple transformations or reduce the number of isolations and purifications means fewer resources consumed and less waste generated.
Regulatory frameworks around novel intermediates can add hurdles, but they also guide smarter design choices. Teams that push for better starting materials often end up simplifying later validation and scale-up work. Better characterized intermediates mean less risk of surprises during analytical submission or regulatory review—speeding up everything from grant work in academia to product launches in industry.
Experience suggests early engagement with suppliers makes a noticeable difference. For projects hinging on specialized intermediates, it pays to secure analytical data, collaborative support, and open communication before the first batch arrives. Knowledge exchange between supplier and researcher, including sharing unpublished data or synthetic schemes, can highlight pitfalls before they become expensive lessons. Checking lot-to-lot consistency becomes second nature. No one likes running out of a crucial intermediate midway through scale-up, so regular review calendars and backup supply options are worth the effort.
On the lab side, clear documentation—batch records, lab notebooks, analytical spectra—forms the backbone of knowledge transfer. In shared research environments, this ensures that any hiccups in performance get caught early, and smooths the handoff as projects shift between academic and industrial partners. Where a unique structure like 5-nitropyridine-3,4-diamine enters the picture, tracking which reactions work and where trouble crops up builds an institutional memory that pays off for years.
Over time, choices around building blocks shape not just individual reactions, but whole research strategies. Aspiring researchers and veterans alike learn that good chemistry is as much about selection as about technique. Turning to a more versatile, selective intermediate streamlines complicated syntheses and carves out room for creative solutions. Inefficiency and repeated troubleshooting sap resources and morale. Strong collaborations, smart planning, and honest feedback cycles ensure improved outcomes for teams at every level.
In the rush to publish or scale new products, it gets tempting to treat chemical intermediates like commodities. My time working with both start-ups and established labs says otherwise. Every project eventually leans on reliability, depth of support, and the experience that only comes from aligning with the right partners and products. 5-nitropyridine-3,4-diamine stands out because it ties together demanding reactivity, real-world flexibility, and reliable sourcing. Whether the challenge is developing a new drug lead, securing a key ingredient for specialty polymers, or exploring the edge of molecular design, building from this chemical means better odds at success.
Performance wins trace back to the foundation: structure, purity, supplier transparency, and, above all, those incremental improvements that make discovery possible. For research teams seeking genuine advancement—tighter syntheses, cleaner data, greener choices—making strategic selections pays dividends far beyond basic bench work. Experience, expertise, and well-informed choices ensure that compounds like 5-nitropyridine-3,4-diamine deliver long-term value and keep the engines of innovation running strong.