Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

3-Bromo-2-Nitrophenol

    • Product Name 3-Bromo-2-Nitrophenol
    • Alias 2-Hydroxy-3-bromonitrobenzene
    • Einecs 241-876-9
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    839805

    Name 3-Bromo-2-Nitrophenol
    Cas Number 2581-34-2
    Molecular Formula C6H4BrNO3
    Molecular Weight 218.01
    Appearance Yellow crystalline powder
    Melting Point 114-118°C
    Solubility Slightly soluble in water
    Density 1.88 g/cm3
    Purity Typically >98%
    Smiles C1=CC(=C(C(=C1O)[N+](=O)[O-])Br)
    Inchi InChI=1S/C6H4BrNO3/c7-4-2-1-3(9)6(5(4)8)10/h1-2,9H
    Synonyms 3-Bromo-2-nitro-phenol; 2-Nitro-3-bromophenol
    Storage Temperature Store at 2-8°C
    Ec Number 219-937-6

    As an accredited 3-Bromo-2-Nitrophenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing
    Shipping
    Storage
    Application of 3-Bromo-2-Nitrophenol

    Applications of 3-Bromo-2-Nitrophenol in Industrial Manufacturing

    As a dedicated manufacturer of 3-Bromo-2-Nitrophenol, we focus on the industrial segments where this intermediate plays a critical role in downstream chemical synthesis. Below we outline the principal real-world application scenarios, addressing compliance, composition, process, and finished products in each sector based on actual manufacturing practices.

    1. Pharmaceutical Intermediate for Active Pharmaceutical Ingredient Synthesis

    3-Bromo-2-Nitrophenol serves as a critical intermediate for the synthesis of select APIs, especially in the production of molecules containing substituted phenolic structures. Our customers employ this raw material in stepwise coupling or substitution reactions during the multi-stage synthesis of antibacterial, antiviral, or CNS-related compounds, where exact reactivity and purity are vital.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • U.S. FDA 21 CFR Part 211
    • European Pharmacopoeia (Ph. Eur.) guidelines
    • Chinese Pharmacopoeia (ChP) for API intermediates

    Typical usage ratio

    • 25–45 mol% relative to the core substrate in intermediate coupling; optimized according to assay and stoichiometry for each synth route

    Downstream process integration

    • Charged during the controlled halogenation or nitration reaction stage within closed reactors; integrated after substrate activation, with in-process monitoring for conversion rates

    Final product types

    • Active pharmaceutical ingredients (e.g., substituted nitrophenol-based drugs)
    • Certified intermediates for onward pharmaceutical synthesis

    2. Agricultural Chemicals Synthesis (Herbicide and Fungicide Manufacturing)

    Major agrochemical producers employ 3-Bromo-2-Nitrophenol as an intermediate for specialty herbicides and fungicides requiring nitrophenolic moieties. These applications demand stringent traceability and controlled composition at every batch, as downstream purity and consistent reactivity affect bioactivity and regulatory approval of final crop protection products.

    Industry compliance standards

    • EPA 40 CFR Part 180 for pesticide manufacturing
    • FAO/WHO “Specifications and evaluations for agricultural pesticides”
    • ISO 9001:2015 for quality management
    • CLP Regulation (EC) No 1272/2008 (for classification, labelling, and packaging)

    Typical usage ratio

    • 10–28 wt% in key reaction steps; proportion adjusted with respect to substrate loading and desired product selectivity

    Downstream process integration

    • Metered addition to the synth reactor during condensation or coupling for phenoxy-herbicide cores; participation in further bromination and etherification sequences

    Final product types

    • Technical grade herbicide actives (e.g., nitrophenol-derived compounds)
    • Fungicidal intermediates with substituted phenol groups

    3. Dye and Pigment Intermediate for Specialty Colorants

    In the specialty dyes industry, 3-Bromo-2-Nitrophenol forms a building block for azo and anthraquinone colorants, enabling the introduction of nitro and bromo groups for tailored chromophore development. Major coloring and pigment manufacturers rely on precise input material characterization to meet international standards for textile, leather, and plastics coloration applications, where trace impurities can affect both shade and regulatory compliance.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006
    • OEKO-TEX® Standard 100 for textile dyes
    • ISO 9001:2015 for pigments and dyes
    • EN 71-3 (chemical safety for toys, applicable to pigment use)

    Typical usage ratio

    • 12–35 mol% as coupling component in diazo or condensation reactions, based on dye chromophore architecture and color strength

    Downstream process integration

    • Introduced to reaction flask after initial diazotization or metal complex formation; batchwise dosing under controlled pH and temperature

    Final product types

    • Azo dyes for cotton and synthetic fibers
    • Aniline-based pigments for plastics
    • Specialty intermediates for leather and ink coloration

    4. Fine Chemical Synthesis for Electronic and Specialty Materials

    Chemical processors in the electronics sector incorporate 3-Bromo-2-Nitrophenol as a functionalized intermediate during the production of certain dielectric additives, conductive polymers, and UV-absorbing compounds. These applications require particularly low levels of trace metal and halogen contamination to maintain performance in sensitive electronic or optical material manufacture.

    Industry compliance standards

    • RoHS Directive 2011/65/EU (restriction of hazardous substances in electronics)
    • IEC 62474 Declaration for Substances in Products
    • ISO 14001:2015 for environmental management
    • Internal OEM standards for electronic raw materials

    Typical usage ratio

    • 3–10 wt% in pre-polymer modification steps or additive blends, optimized for final dielectric constant or UV absorbance properties

    Downstream process integration

    • Added during stagewise polymerization as a chain stopper or functional group carrier; pre-mixed with monomers for targeted copolymerization

    Final product types

    • Specialty copolymers for films and coatings
    • Electronic-grade additive concentrates
    • UV-protective layers for circuit fabrication
    Free Quote

    Competitive 3-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 +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Understanding 3-Bromo-2-Nitrophenol: A Practical Perspective on an Essential Chemical Intermediate

    Stepping Into the World of 3-Bromo-2-Nitrophenol

    Every chemist has handled tricky aromatic compounds, but not all compounds bring the same kind of satisfaction when they slot perfectly into a reaction scheme. 3-Bromo-2-Nitrophenol stands out for me as one of those: a fine, crystalline solid that finds itself at the center of many synthetic projects. It isn’t the flashiest molecule on paper, but once you start working with it, you notice how much smoother your route from raw materials to finished pharmaceuticals or specialty materials can get. There’s plenty of value in a well-made intermediate that doesn’t complicate your workflow.

    Key Features and Chemistry

    If you ever tried to build a complex molecule, you recognize the importance of well-placed functional groups. The structure of 3-Bromo-2-Nitrophenol provides a classic blueprint: a phenolic ring functionalized with both a nitro and a bromo group at specific positions. That arrangement brings something unique to the reaction flask compared to similar phenolic intermediates. You’ll find that the positioning of the bromo group at the meta position from the phenol is especially convenient for further functionalization, which opens up a wide toolbox for coupling reactions, either Suzuki or Buchwald-Hartwig reactions.

    In my experience, the bright yellow color of this compound also helps with visual tracking during purification steps. I once ran a column separation that dragged on through the afternoon, but the color of the 3-Bromo-2-Nitrophenol band made spotting the right fraction much simpler. Not every compound gives that simple advantage.

    Differences You Can Work With

    It’s always tempting to lump 3-Bromo-2-Nitrophenol in with generic nitrophenols or bromophenols, but anyone who has built a multi-step synthesis knows the devil lives in those small differences. The ortho-nitro group adds an electron-withdrawing edge, making the aromatic ring less reactive for some electrophilic substitutions and more amenable for nucleophilic attacks at designated locations. That means certain side reactions are far less of a threat, and selectivity improves without added tricks.

    It’s that kind of selectivity that makes 3-Bromo-2-Nitrophenol a step ahead of something more basic like 2-Nitrophenol or 3-Bromophenol. Those compounds often invite unwanted byproducts, especially if you're aiming for substitution or coupling on the ring. The dual functionality here narrows down pathways, raising your isolated yields and saving on purification headaches. I’ve seen the same batch of this compound last through months of storage without any special handling, which means you waste less raw material and keep costs predictable. In scale-up settings, this kind of reliability isn’t just helpful — it’s key for consistent production planning.

    Applications That Matter in the Real World

    The most common request I see for 3-Bromo-2-Nitrophenol goes into advanced pharmaceutical intermediates. You’re likely to find it quietly fueling progress in research labs working on new antibiotics or anti-inflammatory agents. For contract synthesis outfits, it’s a favorite pick for custom project requests because of its established reactivity profile and straightforward handling. Compared to less specifically functionalized compounds, this phenolic intermediate just fits better into pathways calling for carefully positioned substituents. Its shelf stability and compatibility with standard storage conditions help avoid wasted batches — something any lab manager appreciates when balancing quality control demands with limited fridge real estate.

    I had a colleague who used this material as a launchpad for building heterocycles targeting enzyme inhibition. The reliability of the bromo group for cross-coupling and the nitro group’s ability to serve as a later locus of reduction were both crucial in creating the final bioactive molecule. Without a starting material matching these precise features, the project would have needed extra protection and deprotection steps — a surefire way to balloon budgets and sabotage timelines.

    How Supply and Purity Affect Real-World Outcomes

    If there’s one thing my time in custom synthesis has taught me, it’s that reliable sourcing matters as much as the chemistry itself. With 3-Bromo-2-Nitrophenol, high purity translates to fewer downstream headaches. Even slight contamination with isomeric species or unreacted starting materials can tank throughput. I still remember the time a poorly sourced batch pushed nitrophenol content higher than expected — what followed was hours of troubleshooting thin-layer chromatography results and, ultimately, a reordering process that brought the project timeline into jeopardy.

    This lesson is crucial whether you’re working in basic research or an industrial plant. Tight control on melting point, purity by NMR, HPLC, or elemental analysis keeps process variance in check and means fewer surprises. With 3-Bromo-2-Nitrophenol, reputable suppliers now provide detailed batch certificates grounded in analytical testing. Consistent crystallinity and color might seem minor to the untrained eye, but most synthetic chemists learn quickly that visual cues can foreshadow trouble or signal smooth progress.

    Safety, Handling, and Practice-Based Wisdom

    Some phenolic intermediates require elaborate safety measures, but 3-Bromo-2-Nitrophenol lands in the camp of straightforward handling provided reasonable care is observed. Standard gloves and fume hood precautions are generally sufficient. The compound doesn’t exhibit the volatility or acutely toxic vapor production found in some other substituted phenols, so handling in a well-ventilated lab rarely brings surprises.

    Of course, sensible lab hygiene always applies. The nitro group still introduces some environmental and personal risk if mishandled, especially during large-scale workups. Proper neutralization of waste and attention to lab protocols protect both people and the environment. In practice, this approach helps avoid regulatory complications while also supporting green chemistry goals. Over time, I’ve noticed that teams who share practical tips about rinsing glassware and controlling waste management keep accidents low and morale high.

    Driving Efficiency in Modern Synthesis

    Chemical efficiency means more than getting a reaction to work. It includes yield, cost, and the often-underestimated time costs of troubleshooting and repeat purification. 3-Bromo-2-Nitrophenol, because of its dual substitution and robust aromatic core, contributes usefully to convergent syntheses. The molecule holds up well against a variety of coupling catalysts and sometimes even tolerates mild acidic or basic workups. Many labs report that the bromo handle stands up under Suzuki and Stille conditions, and the nitro moiety remains stable until a reduction step is deliberately applied.

    For synthetic chemists building libraries of potential drug candidates, this product offers a versatile node — easy to elaborate into structurally different targets without rewriting entire protocols. That flexibility is especially valuable now, as more pharmaceutical projects run lean and optimize every synthetic step to meet both budget and environmental impact targets. Time spent adjusting protocols for poorly chosen intermediates adds up fast; in my years of process work, predictable performance from a compound like this has translated directly into fewer failures and lower operating costs.

    Addressing Shortages and Supply Chain Hiccups

    Recent years have reminded everyone that no chemical supply is too trivial to run short. During global logistics disruptions, sourcing batches of specialty intermediates can mean the difference between progress and painful delays. Luckily, 3-Bromo-2-Nitrophenol benefits from established demand among pharmaceutical manufacturers, so reliable suppliers often keep stocks at the ready. That accessibility is far from universal — some lesser-known isomers or more exotic analogs require long lead times for custom synthesis. This difference matters more than ever, given the trend toward flexible manufacturing and just-in-time inventory models across the chemical industry.

    I’ve lost track of the times a project ran into trouble because a less common intermediate went on allocation or sourcing was complicated by cross-border shipment controls. Having access to a well-characterized intermediate, stocked by more than one reputable source, reduces those risks while keeping process validation timelines intact. Strong relationships with suppliers and a steady track record of quality can be just as important as innovative chemistry on the bench.

    Moving Forward With Environmental and Ethical Concerns

    With a heightened awareness of environmental regulations and global supply concerns, the expectations for synthetic intermediates have shifted. Researchers and manufacturers want not only chemical performance but also better transparency on how materials are produced and transported. 3-Bromo-2-Nitrophenol increasingly appears on procurement lists where auditability, impurity thresholds, and green chemistry factors are scored alongside performance. Competitive suppliers publish data on residual solvents, heavy metal content, and upstream environmental monitoring — details that align with both regulatory expectations and consumer preferences for responsible production.

    I have worked on projects where the choice of a more responsibly sourced intermediate attracted new funding, bypassed regulatory headaches, and even contributed to greater employee buy-in. The chemical industry sits at a crossroads, where materials like 3-Bromo-2-Nitrophenol support new science without complicating compliance or environmental stewardship goals. This isn't marketing fluff — it’s a matter of real laboratory impact and securing the trust of end users, regulators, and research partners alike. Choosing well-documented materials pays dividends all the way down the line.

    Potential Areas for Improvement and Innovation

    No compound is above refinement. With 3-Bromo-2-Nitrophenol, there’s room for continuing progress in both synthesis and application. Route optimization, greener oxidation and bromination steps, and improvements in crystallization reduce both cost and environmental burden. Recent work in continuous flow chemistry hints at safer and more reproducible routes for preparing nitrophenol derivatives, decreasing reliance on hazardous reagents and maximizing scalability.

    Adapting historical synthetic methods to modern standards often yields something more sustainable, without sacrificing yield or purity. There’s enough real-world feedback from process chemists to drive batch improvements and smarter, more efficient scale-up practices. As automation and digitization further enter the lab, real-time monitoring of product quality and byproduct profiles might yield improved, less wasteful processes. That’s an ongoing evolution well worth following, especially for chemists facing tightening budgets and stricter emissions targets.

    My Takeaway: Why the Details Matter

    Working day in and day out with practical chemistry means learning to appreciate all the little things that reliable intermediates bring. 3-Bromo-2-Nitrophenol rarely headlines trade journals, but for me and many colleagues, it’s that bedrock compound you reach for without fuss. The right mix of reactivity and selectivity, supported by trustworthy sourcing and robust documentation, keeps labs moving and project managers happy.

    Seeing a compound’s journey — from raw material, through to targeted reaction, into a creative synthesis, and finally out as a product that helps patients or engineers — always grounds my appreciation for these fine details. The landscape is as much about partnerships with suppliers as it is about finely tuned NMR spectra or chromatograms. It pays to invest in quality intermediates, especially when they’re versatile, predictable, and responsibly produced. In chemical synthesis, such factors save money, time, and worry, opening space for real innovation rather than endless troubleshooting.

    Enhancing Reliability in Synthesis: The Path Forward

    Few things slow research and production like unreliable materials. I’ve witnessed projects stall over insufficient intermediate quality, where even small changes in particle size or solvent inclusion created weeks of unplanned validation. The lesson I’ve learned—and one that continues to inform my own procurement practices—is to favor chemical intermediates with a proven track record, direct supplier lines, and substantial user feedback. 3-Bromo-2-Nitrophenol checks those boxes for a variety of applications, staying sharp in everything from medicinal chemistry to materials research.

    Greater transparency up the supply chain is also making a difference. The days of vague quality control certificates are fading, replaced by digital documents and batch traceability. For research groups and manufacturers grappling with tighter regulatory oversight and the public’s growing demand for ethical sourcing, the shift matters. It’s not just about what you make, but how you make it, and intermediates like 3-Bromo-2-Nitrophenol increasingly come with the paperwork to back both those stories.

    Contributing to Creative Synthesis

    I’ve seen inventive uses for 3-Bromo-2-Nitrophenol in areas well beyond pharmaceutical development. Advanced materials research, particularly in the creation of new polymers or dyes, sometimes draws on its unique profile. The robust ring, with its two functional handles, responds favorably to directed substitutions and grants polymer chemists and materials scientists a new avenue for tuning properties like stability, color, or electronic performance. I remember one early-career project where introducing this compound at the right stage enabled creation of a material with completely new thermal behavior. That illustrates the kind of laboratory curiosity that drives the field forward.

    Each time a new synthetic challenge emerges—whether in academia or industry—the range of tried-and-tested intermediates makes or breaks the early rounds of method planning. 3-Bromo-2-Nitrophenol offers a unique canvas on which creative teams can sketch new synthetic routes, break into new territory, and refine old but proven chemistry. Choice in starting materials often unlocks bigger opportunities, and it’s the practical, accessible molecules like this that keep the pipeline moving in the right direction.

    Wrapping Up Key Lessons

    3-Bromo-2-Nitrophenol doesn’t soak up the spotlight, but its outsized impact on modern synthesis can’t be ignored. From reliable supply and clean reactivity profiles, to ease of purification and storage, the compound teaches practical lessons about what matters in chemical manufacturing and discovery. One could easily overlook its role in the background, yet every well-run synthesis brings it up again: quality at this stage shapes outcomes for the next. Consistency, transparency, environmental responsibility, and creative utility all converge here—making it more than just another bottle on the shelf, but a tool that enables real progress for teams pushing boundaries across the science and engineering spectrum.