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3-Nitrobromobenzene

    • Product Name 3-Nitrobromobenzene
    • Alias m-Bromonitrobenzene
    • Einecs 210-841-6
    • 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

    453754

    Chemicalname 3-Nitrobromobenzene
    Casnumber 585-79-5
    Molecularformula C6H4BrNO2
    Molecularweight 202.01 g/mol
    Appearance Yellow crystalline solid
    Meltingpoint 68-71°C
    Boilingpoint 272°C
    Density 1.74 g/cm3
    Solubility Slightly soluble in water; soluble in organic solvents
    Purity Typically ≥98%
    Refractiveindex 1.613 (predicted)
    Flashpoint 124°C
    Synonyms m-Bromonitrobenzene, 1-Bromo-3-nitrobenzene
    Storageconditions Store in a cool, dry, well-ventilated place
    Hazardclass Irritant

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

    Packing & Storage
    Packing Amber glass bottle, 100 grams, tightly sealed with a screw cap, labeled with chemical name, hazard symbols, and handling instructions.
    Shipping 3-Nitrobromobenzene is shipped as a hazardous chemical, typically packed in sealed glass or HDPE containers to prevent leaks and contamination. It is labeled with the appropriate hazard symbols and transported under regulations for dangerous goods, avoiding heat, sparks, and incompatible materials. Handle and store in a cool, well-ventilated area.
    Storage **3-Nitrobromobenzene** should be stored in a tightly sealed container, kept in a cool, dry, and well-ventilated area away from direct sunlight and incompatible substances such as strong oxidizers and reducing agents. Protect the chemical from moisture and sources of ignition. Label the storage container clearly and handle using appropriate personal protective equipment to prevent exposure and contamination.
    Application of 3-Nitrobromobenzene

    Applications of 3-Nitrobromobenzene in Industrial Manufacturing

    As the direct manufacturer of 3-nitrobromobenzene, we support global customers in advanced chemical production by supplying high-purity intermediates with controlled specifications. The following industrial application scenarios are based on established downstream integrations, highlighting sector-specific requirements and typical processing methods relied upon by leading manufacturers and formulators.

    1. Pharmaceutical Intermediate for Active Ingredient Synthesis

    Producers in the pharmaceutical sector utilize 3-nitrobromobenzene as a keystone intermediate, particularly during the construction of nitroaniline and diarylamine building blocks. This downstream transformation requires precise reactivity control, forming the basis for APIs such as antihypertensive and anti-inflammatory drug substances. The raw material’s aromatic substitution facilitates coupling and reduction reactions, integral to GMP-compliant synthesis steps. Its use underlies process scale-up for commercial-grade medicines, where reliable sourcing and quality assurance remain priorities from pilot to validated production.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for Active Pharmaceutical Ingredients
    • EU GMP Part II guidelines
    • US FDA cGMP Title 21 CFR 210/211 for intermediates
    • Ph. Eur. and USP monograph requirements where applicable to final API

    Typical usage ratio

    • 0.8–1.3 molar equivalents per reaction step, adjusted by batch yield targets and purity of other feedstocks; often 12–18% weight basis relative to final stage intermediates

    Downstream process integration

    • Employed in initial aromatic nucleophilic substitution then reduced to corresponding anilines in batch or continuous flow reactors
    • Introduced under controlled addition temperatures with inert gas blanketing
    • Purity and moisture content scrutinized pre-charging via in-process controls

    Final product types

    • Pharmaceutical active ingredients such as valsartan, nebivolol, and indomethacin intermediates
    • Chemical building blocks for custom intermediate contracts

    2. Agrochemical Intermediate for Herbicide and Pesticide Manufacturing

    Downstream agrochemical plants utilize 3-nitrobromobenzene as a key substrate in the preparation of substituted aniline derivatives. These serve as precursors to selective herbicide and insecticide molecules. Chemical engineers favor its controlled reactivity profile for catalytic hydrogenation and further coupling with chloro- or methoxybenzenes, resulting in high-yield production lines for modern crop protection actives. This input supports process scalability from pilot to dedicated campaign manufacturing, requiring stringent environmental and occupational controls.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • REACH Regulation (EC) No 1907/2006 for chemical safety
    • ISO 9001 quality management in agrochemical facilities
    • OECD Principles of Good Laboratory Practice (GLP) for formulation testing

    Typical usage ratio

    • 5–15% mass of total active batch; dosage refined by synthetic route to target molecule and efficiency of downstream catalytic steps

    Downstream process integration

    • Fed as a core reactant into hydrogenation or replacement reactions using fixed-bed or stirred autoclave reactors
    • Reacted under monitored pH and solvent systems tailored to crop protection product specifications

    Final product types

    • Triazine-based herbicide intermediates
    • Phenoxy acid and nitroaniline pesticide actives
    • Custom intermediates for patent and off-patent agrochemicals

    3. Dye and Pigment Intermediate for Specialty Colorants

    Colourant manufacturers incorporate 3-nitrobromobenzene during the multi-stage synthesis of specialty azo and anthraquinone dyes. Its brominated structure ensures precise ortho/para substitution necessary in designing high-performance pigments with tailored chromatic and fastness properties. Downstream processing often involves transition-metal catalyzed coupling reactions, followed by further modification, to obtain target hues for technical textile applications, high-solidity plastics, and printing inks. The material’s grade consistency and trace impurity control are vital for reproducibility in large-volume batch processing.

    Industry compliance standards

    • OEKO-TEX Standard 100 for textiles
    • EN 71-3 migration limits where used for toy colorants
    • REACH Annex XVII restrictions on aromatic amines for dyes
    • ISO 9001 documented dye synthesis processes

    Typical usage ratio

    • 5–25% by weight of reactive base in coupling stage; final percentage determined by target pigment intensity and shade requirement

    Downstream process integration

    • Charged into coupling vessels for diazotization and subsequent coupling reactions at controlled pH
    • Purity monitored via HPLC or TLC prior to isolation of pigment precursors

    Final product types

    • Monoazo textile dyes
    • Anthraquinone and disperse pigments for plastics and coatings
    • Solvent dyes for specialty inks

    4. Intermediate for Performance Polymer Synthesis

    Technical materials innovators use 3-nitrobromobenzene in the custom synthesis of advanced polymers—particularly high-glass transition temperature polyarylenes and functionalized aromatic resins. It provides a reactive brominated aromatics core for subsequent Suzuki or Buchwald–Hartwig coupling, establishing the molecular backbone of engineered plastics with controlled dielectric or thermal resistance profiles. Process engineers ensure material introduction with narrow purity windows to maintain mechanical and electronic properties in downstream resin products.

    Industry compliance standards

    • ISO 9001:2015 quality management for specialty polymer manufacturing
    • UL Yellow Card safety certification for electrical polymers
    • RoHS Directive (2011/65/EU) compliance for electronics-related plastics
    • ASTM D5203 for thermoplastic polymers testing

    Typical usage ratio

    • Utilized at 7–19% mole ratio with comonomers, calculated based on targeted polymer chain length and cross-link density

    Downstream process integration

    • Inserted during the monomer feed stage in polycondensation or polymerization reactors, often using palladium-catalyzed coupling
    • Material properties and diminution of brominated residuals monitored via GPC/GC-MS during QC sampling

    Final product types

    • High-performance polyarylene resins
    • Functional resins for 5G infrastructure and semiconductor encapsulation
    • Specialty adhesives and varnishes with elevated heat distortion
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    Certification & Compliance
    More Introduction

    3-Nitrobromobenzene: Our Perspective as an Everyday Manufacturer

    Turning Raw Materials into Essential Building Blocks

    From firsthand experience, working with nitro aromatics always demands extra attention to both purity and reliability. Among these compounds, 3-Nitrobromobenzene stands out as a versatile intermediate with a direct impact on many segments of chemical manufacturing. Over years of scaling from pilot plant to industrial production, every step—choosing the right grade of bromine, meticulously controlling reaction exotherm, scrupulous washing and drying—plays a role in the consistency of product we deliver.

    Our Commitment to Consistency—Why It Matters

    Each shipment must deliver uniform physical properties: a pale yellow crystalline powder, melting point and solubility squarely within specification, with low moisture content and trace-metal impurities held in check. Achieving that means controlling parameters batch after batch. To some, these details may sound routine, but in a process where a minor deviation can derail downstream syntheses, diligence proves vital. Medicinal chemists, material scientists, and agrochemical engineers who source 3-Nitrobromobenzene from us rely on that batch-to-batch consistency: a guarantee that simplifies their development or production, eliminating surprises mid-synthesis.

    The Difference Real Manufacturing Makes

    Sourcing directly from a manufacturer frames a different relationship. We feel the daily pressure not only of cost control and resource management, but also of knowing that one small oversight—an incomplete wash, overexposure during drying, contamination from faulty valves—could ripple through entire supply chains. Over time, experience shapes every process change. As an example, early in our operations, we switched from drum drying to vacuum tray dryers to improve color and lower decomposition byproducts. Customers remarked on the fewer purification steps downstream—proof that each tweak upstream can deliver tangible benefits where it counts.

    Application: From Lab Bench to Industry Scale

    3-Nitrobromobenzene often forms the backbone for cross-coupling reactions: Suzuki, Buchwald-Hartwig, and more. Pharmaceutical innovators opt for it to introduce nitro, bromo, or phenyl linkages at precise positions on aromatic rings, enabling fine-tuned biological activity or improved drug metabolism. Crop protection chemists choose it as a precursor for certain fungicides and herbicides. Polymers and specialty materials manufacturers benefit, too—leveraging it for custom monomers and functional coatings.

    Working as a manufacturer gives us a unique view into the domino effect that starts at 3-Nitrobromobenzene and ends at life-saving medicines, high-yielding crops, or smarter materials. We hear from researchers who need lots free from colored tars, which otherwise complicate product purification. At the same time, industrial formulators may push for larger particle size for improved handling, or tailored impurity profiles for more predictable processing. This ongoing dialogue feeds back into our laboratory and line operations, forging recipes and QA protocols that address use-case specifics, not abstract specifications.

    Distinguishing Ourselves: What Sets Our Product Apart

    Years of hands-on scale-up and daily production have shown us that not all 3-Nitrobromobenzene is equal. Generic or repackaged material, especially from intermediaries, often carries trace contaminants: iron leached from old reactors, oxides from improper nitrogen blanketing, or plasticizers from careless storage. These find their way into analytical datasets and complicate every application.

    We built our process—right down to filtration media and solvent recovery—around real-world requirements voiced by formulators, synthetic chemists, and QC teams. For instance: to address particle-size control, we invested in air-jet milling so we can provide different distributions on request, not just the default sieve cut. Purification stages have evolved to remove not just organic residues, but also organometallic and halide traces often invisible except under specific analysis conditions. These changes stem from a willingness to listen and adapt. Only a manufacturer can truly fine-tune these details in real-time, without waiting for third-party feedback loops.

    Overview of Product Model and Typical Specifications

    The core grade we offer, labeled as 3-Nitrobromobenzene, reflects purity greater than 99% by HPLC, with water content below 0.1% and iron levels often under 10 ppm. Crystal form and color are controlled tightly as customers often reject off-spec lots due to minor color or texture variation—issues that might seem superficial, but speak to upstream handling and stability. We never take shortcuts with solvents: each batch undergoes full volatile content analysis, catching any retained solvent before release. Safety margins for decomposition temperature are checked and re-checked, informing storage and packaging so users work with a product that remains predictable over time.

    We have experimented—often at the request of long-term partners—with higher or lower water content, alternate purification flows, or different particle-size targets. By sharing those learnings early on and maintaining open channels with users, we can more quickly spot potential improvements and scale promising tweaks across production.

    Challenges We Face and How We Tackle Them

    Producing 3-Nitrobromobenzene isn’t free from obstacles. Reliable sourcing of bromine affects run rate, and we have felt the impact of global price swings on both bromine and nitric acid. Regulatory requirements for aromatic nitro compounds evolve, so our QA/QC team maintains constant vigilance over trace contaminant lists and permissible exposure limits. Waste management comes front and center: both solid and aqueous byproducts generate challenging disposal scenarios. Installing closed-loop recovery systems for acid and solvent waste became a necessity years ago—not just for the environment, but because it shields us all against rising disposal surcharges and shifting regulations.

    Industry feedback steers us, too. Many longtime buyers, both local and international, now request supply-chain transparency and granular traceability for each lot. Our strict documentation and trace-back measures, stretching from raw material receipt through final QC, build the trust that direct manufacturers can offer. A trader may only pass along a manufacturer’s data; we open the doors to the actual logs, the process tweaks, and the in-process controls that keep our product in tight specification.

    Comparison with Other Substituted Bromobenzenes

    3-Nitrobromobenzene occupies a different space on the periodic map from its isomers or analogues. For instance, the position of the nitro and bromo groups on the ring affects both reactivity and selectivity in subsequent reactions. We routinely handle requests for 2- or 4-nitrobromobenzene analogs; their downstream uses in cross-coupling, chiral synthesis, and complex intermediate construction reflect different patterns of functional group tolerance and regioselectivity. 3-Nitrobromobenzene’s meta-substitution pattern often enables cleaner routes for targeting difficult-to-access aryl nitro motifs, especially when ortho- or para-isomers don’t yield the desired activity or selectivity.

    Physically, melting points and solubilities differ across isomeric forms. Where one form crystallizes in acicular needles, another may produce plates or blocks, directly influencing ease of filtration, washing, and packaging. These tangible differences matter at scale: a product that packs poorly or bridges in hoppers leads to downtime and rework in downstream plants.

    We also see practical impacts in impurity profiles: each isomer’s synthesis generates a distinct set of side products. By refining purification at each step, we can offer a 3-Nitrobromobenzene that avoids isomer cross-contamination or carryover of unreacted precursors. Our clients notice: a drug development program might only tolerate a few ppm of an off-target isomer, while an agrochemical processor needs predictable performance in known reaction schemes. Our dedication to chemical specificity saves valuable time and costs compared to using repackaged or generic grades with less stringent separation protocols.

    Supporting the Innovators—How We Engage

    A manufacturer’s work doesn’t end after delivering finished material. We solve real problems in the day-to-day grind—unexpected crystallization challenges, new regulatory parameters for trace contaminants, custom packaging demands. Long-term customers regularly reach out for support on solvent compatibility, unusual color changes, or optimizing dissolution protocols for their exact use case. Many of our colleagues have spent years supporting these teams directly, offering practical advice from bench-scale tweaks to pilot plant transitions. Those exchanges have opened new process avenues for us, too.

    We encourage customers to share bottlenecks or quality goals early, even before firm orders. We modify drying profiles, switch packaging formats, or fine-tune QA sampling plans when pilot or pre-clinical programs demand it. This collaborative approach ensures both technical and commercial success—the foundation for repeat partnerships in a space where one-off transactions rarely build lasting confidence.

    Meeting Evolving Regulatory and Environmental Responsibilities

    Regulatory compliance represents an ongoing journey, not a box to check. Years of manufacturing have underscored the complexity: authorities tighten thresholds for nitro compound residues in waste, focus more on life-cycle environmental impact, and expect rigorous documentation for every reactive intermediate. We have invested steadily in emissions abatement, solvent recycling, and rigorous record-keeping. Every time a new regulatory bulletin surfaces, it sparks a review of our in-process controls and waste-handling workflows. While these changes mean extra training and often unplanned capital expense, the benefit—improved safety, cleaner operations, and stable access to regulated markets—proves worth the investment. Nobody on our floor cuts corners with nitric acid or bromo-aromatic intermediates; the risks, to both people and product, discourage shortcuts.

    How Real-World Knowledge Enhances Our Value

    Decades in chemical manufacturing shape a perspective that cannot be replicated by trading houses or resellers. Every challenge—from scale-up headaches to equipment failures—reinforces the value of responsive troubleshooting and honest communication. We provide technical dossiers, batch histories, and COAs directly linked to real production dates and lot codes—not just paperwork passed through multiple hands. On rare occasions, a buyer may spot a rare impurity or off-spec melting point. Direct dialog lets us act fast: we troubleshoot within hours, trace back through our batch logs, and, if needed, produce replacement stock from backup lots without delay.

    Looking Ahead: Challenges and Opportunities

    Market demand for 3-Nitrobromobenzene tracks closely with pharmaceutical and agrochemical innovation. As synthetic routes evolve and product lifecycles accelerate, end users push for ever-tighter impurity controls, growing supply flexibility, and more sustainable processing footprints. We monitor trends in green chemistry and alternative bromination or nitration strategies. Several emerging projects evaluate continuous-flow techniques, not only for throughput but for improved byproduct control and energy savings. Trade-offs between energy consumption, worker safety, and environmental impact drive many of our capital investments and process upgrades.

    The Path Forward—Always Improving

    For every drum that leaves our facility, a team stands behind it—chemists, process engineers, QA managers, and operators whose sweat, expertise, and constant improvement cycles shape both the product and the relationships surrounding it. Pressure from markets, regulators, and innovators never ceases, yet it pushes us to keep refining. The spirit of manufacturing lies in detail-oriented execution and unwavering openness to feedback—qualities that give organizations and their chemistry teams the confidence to build lasting partnerships, project after project.

    Our Invitation

    We believe in transparency and continuous conversation: if your application has unique demands, a process challenge, or just nagging doubts about what makes one grade of 3-Nitrobromobenzene better than another, sharing those details benefits everyone. The manufacturing landscape changes, technical expectations rise, but the direct line between maker and user can weather those shifts. At our end, every improvement we implement stems from that ongoing, honest exchange—a tradition that builds stronger, more useful chemical tools for every field that relies on them.