|
HS Code |
225951 |
| Name | 5-Bromo-2-nitrophenol |
| Cas Number | 2252-51-9 |
| Molecular Formula | C6H4BrNO3 |
| Molecular Weight | 218.01 g/mol |
| Appearance | Yellow crystalline powder |
| Melting Point | 135-139 °C |
| Solubility | Slightly soluble in water |
| Density | 1.93 g/cm3 |
| Smiles | C1=CC(=C(C=C1Br)O)[N+](=O)[O-] |
| Inchi | InChI=1S/C6H4BrNO3/c7-4-1-2-6(9)5(3-4)8(10)11/h1-3,9H |
| Pubchem Cid | 145979 |
| Storage | Store at room temperature, protect from moisture |
As an accredited 5-Bromo-2-Nitrophenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle labeled "5-Bromo-2-Nitrophenol, 25g," features hazard symbols, lot number, and safety instructions, securely sealed. |
| Shipping | 5-Bromo-2-Nitrophenol is shipped in tightly sealed containers, protected from light, moisture, and extreme temperatures. The packaging complies with all relevant regulations for hazardous chemicals, including labeling and documentation. Handling precautions are observed to prevent leaks or spills, ensuring safe and secure delivery to the destination. Shipping follows international guidelines. |
| Storage | 5-Bromo-2-nitrophenol should be stored in a tightly sealed container, protected from light and moisture, in a cool, dry, and well-ventilated area. Keep it away from incompatible substances such as strong oxidizers and reducing agents. Ensure proper labeling and secure the storage space to limit access to authorized personnel only. Follow all relevant safety and regulatory guidelines. |
Competitive 5-Bromo-2-Nitrophenol prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@liwei-chem.com.
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Tel: +8615380400285
Email: sales2@liwei-chem.com
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Working hands-on in the chemical industry, I've seen trends come and go, but some compounds hang around for good reason. One of those is 5-Bromo-2-Nitrophenol. We're known for making it from scratch, not just moving it from warehouse to warehouse. It’s a niche phenolic intermediate, but every batch we’ve produced has revealed more about its quirks, strengths, and the ways it solves tough challenges for chemists and manufacturers.
A lot of phenolic compounds compete for attention, but 5-Bromo-2-Nitrophenol stakes out its own territory. We manufacture it under the name 5-Bromo-2-Nitrophenol, with the molecular formula C6H4BrNO3 and a molecular weight just under 218. It comes out as a yellow to light orange crystalline powder, a signal to anyone experienced with nitro phenols. The bromo and nitro groups sit ortho to each other on the ring, a detail that keeps it from behaving like your average mono-substituted nitrophenol.
Over years of production, we’ve learned how sensitive this material can be to handling. Moisture in the air or too much light can dull the edges of purity; maintaining a dry, cool environment keeps it reliable batch after batch. People sometimes ask if our product differs from the run-of-the-mill stuff listed on big trading sites. The answer gets more obvious in the end use. Each batch we put out meets a purity level above 99%, and each drum ships with its IR and HPLC fingerprint. The difference shows in the downstream applications, where contaminants in lower-grade material can spoil an entire lot of a complex dye or pharmaceutical.
Actual synthesis of this compound isn’t a casual affair. We start by sourcing bromophenol precursors with tracked provenance, then guide our teams through a carefully paced nitration process. Temperature swings introduce tarry byproducts or partial nitration, which later show up as dark streaks or failed purity analyses. Long experience and a few battle-scarred reactors taught us that strict process control means fewer headaches in the purification stages. You can spot shortcut production methods by looking for telltale halogenated byproducts in commercial samples found on secondary markets. Our approach prioritizes complete conversion, precise workup, and robust washing to get rid of what doesn’t belong.
The product’s good flow and consistent appearance don’t just come out of nowhere. Each lot gets sifted through micron-scale screens to remove oversized clumps. Not every manufacturer pays attention to this step; we learned early on how much it matters in scaling up production, especially for clients who need to dissolve large quantities seamlessly in bulk formulations.
5-Bromo-2-Nitrophenol rarely makes headlines in pop science, but in our experience, it shows its real value on the lab bench or in the plant. This compound acts as a critical building block for synthesizing azo dyes, pharmaceuticals, and fine chemicals. Several dye manufacturers come back to us for their standards because unpredictable impurities or inconsistent melting points in the starting material mean color deviations or poor fastness in the end-product textiles. In the pharmaceutical sector, reliable phenolic nitro compounds underpin key steps in heterocycle synthesis, especially in antipyretic and analgesic research. A lot of research teams lean on 5-Bromo-2-Nitrophenol when introducing an electron-withdrawing group in medicinal chemistry projects. The ortho position of bromine to nitro sets up interesting reactivity not found in para or meta isomers.
Opportunities for its use also crop up in agrochemical development. Small but persistent demand from crop protection labs speaks to its role in the synthesis of certain herbicidal active ingredients. Years ago, we noticed a surge in orders corresponding to new patents for brominated nitroaromatic intermediates—a clear sign of ongoing innovation in this well-established chemical space.
Much of what’s available in online marketplaces originates from bulk syntheses intended for cost-sensitive customers. Quality audits reveal batch-to-batch inconsistency, which complicates downstream reactions. We set ourselves apart by running each batch on dedicated equipment cleaned and checked according to allergen-free protocols. Several customers migrated to us after running trials with competitors’ material resulting in stalled reactions or inconsistent assay results. They found that even trace levels of unreacted starting materials can throw off catalytic steps or color formation.
We’ve also made a practice of retaining reference samples from every submitted lot for at least four years. That’s not an industry standard, but we do it because troubleshooting five months down the line becomes manageable if there’s a question about shelf life or changes in reactivity. While this protocol takes up storage space and some effort, the process has helped resolve the occasional complaint and enhanced our understanding of how the product responds to fluctuating shipping conditions.
Keeping an ear to the ground, we gather feedback directly from technicians, R&D specialists, and line managers who deal with 5-Bromo-2-Nitrophenol every day. Mistakes in formulation or incompatible raw materials mean wasted time, failed analysis, or, worst of all, product recalls. Over the years, open lines of communication have shown us patterns: several large dye houses use NMR and HPLC checks to confirm our batch lots arrive as certified, not just promised. Pharmaceutical clients often want extended certificates of analysis, including water and ash content—not just basic purity data. This level of scrutiny has shaped how we present and package our intermediates. We now supplement each shipment with detailed chromatographic profiles and maintain readiness for more detailed regulatory filings.
Packaging and storage aren’t afterthoughts. Most real-world mishaps stem from improper sealing or rough handling. As a manufacturer, we keep an eye on the bags, drums, and labels. It’s taken more than a few lessons to convince our staff how a single pinhole in packaging undercuts months of precise work. Heat-sealed moisture-proof bags tucked inside heavy drums prevent the yellow-orange powder from caking or oxidizing, especially in tropical shipping routes.
Some buyers try bromonitrophenol derivatives hoping for a cheaper solution, but often they circle back after hours lost to troubleshooting. The subtle effects of ring substitution in 5-Bromo-2-Nitrophenol cannot be replicated by swapping for para isomers or other brominated phenols. Aromatic substitution directs reactivity in a way that influences both final product quality and ease of use in synthesis. We assist customers in evaluating results from pilot-scale runs and point out where switching to or from other nitrophenols will change melting points, solubilities, or reaction yields. Minor cost savings disappear when extra purification is needed downstream, and inferior reactants cause documentation headaches with regulators and customers.
Over the years, we’ve collaborated with technical teams to troubleshoot failed aromatic substitutions or crosscoupling steps intended for process improvements. Actually seeing how a poorly made intermediate affects an entire plant run builds a lot of respect for every upstream decision, starting right from the source of the compound. The technical support aspect has made us more than just a supplier; our staff includes chemists experienced in practical troubleshooting, not just sales reps passing on technical bulletins.
Phenolic compounds like 5-Bromo-2-Nitrophenol don’t come without environmental obligations. Past decades saw loosening of oversight in waste management, leading to some industry-wide mishaps. We came up through the period when local authorities clamped down on discharge standards. That’s why our operation relies on closed-loop recovery systems, careful solvent separation, and rigorous third-party waste audits. Any process that leaves unchecked nitrophenolic residues in filtrate leads to long-term liability for everyone downstream—including landowners, neighboring businesses, and communities.
Our technical staff has spent years optimizing solvent use and minimizing hazardous waste volumes, both for cost and compliance. Internally treating all wash liquors, monitoring effluent color and aromatic content, and gradually shifting away from classical halogen feedstocks has helped reduce both visible footprint and regulatory hassle. Interns and new hires go through a weeks-long environmental training, learning from real mistakes and near misses.
Experiencing production firsthand gives a different perspective compared to reading a material safety data sheet. Inhalable dust, accidental skin contact, and improper cleanup routines turn a routine day into a series of headaches if overlooked. Because of its nitro group, 5-Bromo-2-Nitrophenol must be handled using gloves and goggles, in well-ventilated areas. Our team uses local exhaust and dust minimization strategies; these aren’t bureaucratic hurdles, but hard-won habits picked up after seeing how a simple slip up can cost productivity and put staff at risk. Staff rotate through ergonomics and PPE training at regular intervals, building on past incidents to keep safety real, not just regulatory.
From time to time, new applications or research inquiries require looking up additional physicochemical or toxicological data. We work directly with universities and research consortia to provide authentic samples and gain feedback on handling characteristics. These collaborations sometimes lead to improvements back in the plant—a reminder that every use case, from pigment to proto-drug, brings new learning.
No automated chatbot or overseas trader matches the depth of understanding that comes from producing 5-Bromo-2-Nitrophenol and working alongside its end-users. We know the contents of every drum we ship because we made it ourselves, with our own hands involved at each step. Problems can come up en route or in application, and by owning the manufacturing process, we handle them without blaming anonymous suppliers up the chain. Clients value the reliability, but frankly, we value the feedback that lets us keep improving. Product consistency isn’t a statistic for us; it’s the outcome of pride in well-controlled chemistry, careful attention to every variable, and a willingness to learn from error.
Research teams count on us not just for batch numbers, but for insight on crystalline integrity and reactivity. Production chemists care that each delivery behaves the same as the last across months of continuous operation. Companies targeting market launches hinge their production schedules to a steady supply of intermediates that don’t change with every new order. We listen, adapt, and manufacture with those needs at the forefront, because reputations in specialty chemicals turn on keeping promises made in the lab and the plant—not just in the sales brochure.
Progress in the chemical industry comes from constant adaptation and learning. We’re now seeing growing interest in greener chemistry routes and less hazardous alternatives. Even for established chemicals like 5-Bromo-2-Nitrophenol, production lines never stand still. Automation, real-time purity tracking, and digital batch logs streamline audits and reduce human error. But chemistry is still, at its core, about people solving problems with creativity and precision.
We make it a point to follow up on inquiries from industry partners tackling scale-up, regulatory hurdles, or experimental approaches to synthesis. Our door stays open to process improvements, whether that means tighter controls on bromination, more efficient solvent recovery, or better detection of microcontaminants. Every new use case brings us new stories, and every return customer proves there is a future for compounds produced with experience and care. We didn’t just jump into making 5-Bromo-2-Nitrophenol; we built expertise step by step, and stand ready for the next challenge its users bring to our door.