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2-Bromo-2'-Nitroacetophenone

    • Product Name 2-Bromo-2'-Nitroacetophenone
    • Alias BNA
    • Einecs 253-549-4
    • 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

    877414

    Chemical Name 2-Bromo-2'-Nitroacetophenone
    Cas Number 4511-42-6
    Molecular Formula C8H6BrNO3
    Molecular Weight 244.04
    Appearance Yellow crystalline solid
    Melting Point 78-82°C
    Solubility Slightly soluble in water, soluble in organic solvents
    Purity Typically >98%
    Storage Temperature Store at 2-8°C
    Smiles C1=CC=C(C(=C1)C(=O)CBr)[N+](=O)[O-]
    Inchi InChI=1S/C8H6BrNO3/c9-5-8(11)6-3-1-2-4-7(6)10(12)13/h1-4H,5H2
    Synonyms 2-Bromo-1-(2-nitrophenyl)ethan-1-one

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

    Packing & Storage
    Packing Amber glass bottle containing 25 grams of 2-Bromo-2'-Nitroacetophenone, sealed, labeled with hazard warnings and chemical identification details.
    Shipping 2-Bromo-2'-Nitroacetophenone is shipped in tightly sealed, chemically resistant containers to prevent leaks and contamination. Transport is conducted in compliance with regulations for hazardous chemicals, ensuring protection from moisture, heat, and direct sunlight. Proper labeling and documentation accompany each shipment, and handling by trained personnel is strictly enforced throughout transit.
    Storage 2-Bromo-2'-Nitroacetophenone should be stored in a tightly sealed container in a cool, dry, and well-ventilated area away from light, heat sources, moisture, and incompatible substances such as strong oxidizers or reducing agents. Proper chemical labeling and secondary containment are recommended. Personal protective equipment should be used when handling to avoid exposure, and access should be restricted to trained personnel.
    Application of 2-Bromo-2'-Nitroacetophenone

    Applications of 2-Bromo-2'-Nitroacetophenone in Industrial Manufacturing

    2-Bromo-2'-Nitroacetophenone serves specialized roles in several advanced chemical synthesis sectors. As a direct manufacturer with hands-on process knowledge, we supply this intermediate to downstream partners requiring high-purity, consistent-quality material for further transformations. The following industrial segments represent primary application scenarios, with detailed focus on regulatory requirements, incorporation parameters, critical process steps, and final commercial product formats.

    1. Pharmaceutical Intermediate Synthesis

    Pharmaceutical firms use 2-Bromo-2'-Nitroacetophenone as a building block in the synthesis of heterocyclic compounds, including certain kinase inhibitors and research-stage API candidates. This compound introduces bromo and nitro functionalities essential for complex molecular scaffolds, primarily in the early-stage formation of pharmaceutical actives via nucleophilic aromatic substitution or cyclization steps. Our material consistently aligns with the stringent purity and traceability standards required for pharmaceutical R&D and clinical supply chain integration.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP-NF General Chapter <1086> Impurities in Drug Substances and Drug Products
    • 21 CFR Part 211 (FDA cGMP for Finished Pharmaceuticals)
    • Ph. Eur. 2.4.14 Heavy Metals

    Typical usage ratio

    • Applied at 0.3–1.2 molar equivalents relative to nucleophilic amine or thiol substrate; adjust based on target yield and stoichiometry requirements during scale-up.

    Downstream process integration

    • Charged during initial functionalization or amidation step within multi-step batch or continuous pharmaceutical synthesis, often under inert atmosphere and controlled temperature conditions.

    Final product types

    • Small-molecule investigational APIs
    • Synthetic intermediates for oncology and CNS drugs
    • Reference standards for pharmaceutical analytical laboratories
    • Lead compounds for medicinal chemistry programs

    2. Agrochemical Active Ingredient Manufacturing

    Producers of selective herbicides and pesticide intermediates utilize 2-Bromo-2'-Nitroacetophenone as a precursor for the construction of nitro-substituted aromatic rings found in various novel crop protection agents. Inclusion at key stages permits the introduction of halogenated nitro functionalities instrumental in conferring specificity and activity to the final agrochemical molecule.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products (FAO/WHO Joint Meeting on Pesticide Specifications)
    • REACH Regulation (EC) No 1907/2006 – Registration, Evaluation, and Authorization
    • ISO 9001:2015 Quality Management in Chemical Manufacturing
    • OECD Principles of Good Laboratory Practice (GLP) for agricultural products development

    Typical usage ratio

    • Ranges from 0.5–1.5 molar equivalents per condensation or replacement reaction, fine-tuned to generate optimal precursor yield depending on the target field application spectrum of the agrochemical agent.

    Downstream process integration

    • Fed into nitration or halogenation sequences within pilot or full-scale synthesis trains for herbicide or insecticide precursor production, usually prior to chlorination, methylation, or final formulation stages.

    Final product types

    • Selective post-emergence herbicides
    • Fungicide intermediates
    • Larvicide and acaricide core intermediates
    • Custom synthetic route development batches for crop-specific active substances

    3. Specialty Dye and Pigment Synthesis

    Specialty colorant manufacturers employ 2-Bromo-2'-Nitroacetophenone to introduce nitro-bromo substitution patterns into aromatic precursors during azo pigment or disperse dye production. This compound's incorporation influences both color hue and fastness characteristics of the resulting dye molecules, essential for high-performance industrial applications such as plastics coloration and advanced textile finishing.

    Industry compliance standards

    • OEKO-TEX® STANDARD 100 Compliance for colorant safety
    • REACH Annex XVII—Substances restricted in textile processing
    • ISO 9001:2015 for pigment and dye batch tracking
    • ZDHC MRSL: Zero Discharge of Hazardous Chemicals Manufacturing Restricted Substances List

    Typical usage ratio

    • Employed at 0.2–0.9 molar equivalents versus coupling components, with adjustments based on shade target and lightfastness test outcomes.

    Downstream process integration

    • Added during the diazotization-coupling phase for azo dye development, or during aryl halide substitution when producing disperse pigments, typically under thermal or catalytic conditions depending on the desired chromophore structure.

    Final product types

    • High-stability azo pigments for coatings and plastics
    • Disperse dyes for synthetic textile fibers
    • Colorant masterbatches for automotive interior applications
    • Specialty technical inks (e.g., print circuit inks, UV-cured labels)

    4. Fine Chemical Building Block for Research and Custom Synthesis

    Custom synthesis laboratories and advanced research units select 2-Bromo-2'-Nitroacetophenone as a key halogenated aromatic precursor for the assembly of a wide array of functional materials. Its use spans the creation of new molecular entities for material science, photochemistry, and organic electronics due to the orthogonal reactivity delivered by the bromo and nitro groups positioned on the acetophenone core.

    Industry compliance standards

    • ISO/IEC 17025: Testing and Calibration Laboratories
    • GMP for R&D (as adopted by pharmaceutical and polymer research institutes)
    • GLP for chemical process development
    • REACH compliance for new substance registration in the EU

    Typical usage ratio

    • Employed from 0.1–1.0 molar equivalents, selection based on complexity and scale of target molecular architecture; often screened during route optimization studies for fine chemical libraries.

    Downstream process integration

    • Introduced into catalytic cross-coupling reactions (e.g., Suzuki, Heck, or Buchwald–Hartwig), nitro reduction, or acylation processes at early or intermediate stages, driven by specific research protocol requirements.

    Final product types

    • Functionalized scaffolds for combinatorial chemistry
    • Polymerizable aromatic monomers
    • Small-molecule material science standards
    • Photoactive intermediates for OLED and sensing applications
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    Certification & Compliance
    More Introduction

    Meet 2-Bromo-2'-Nitroacetophenone: Our Approach to Reliable Chemical Building Blocks

    In the world of chemical synthesis, choices define results. At our facility, each metric ton of 2-Bromo-2'-Nitroacetophenone runs through hands that know every stage counts. We have produced this intermediate for years, and experience shows small differences turn into big consequences down the line. Some makers lean heavily on shortcuts to hit lower price-points, but we choose to keep quality and traceability at the core of what we do, finding these decisions repay themselves in customer outcomes and supply chain predictability.

    Understanding 2-Bromo-2'-Nitroacetophenone

    This compound stands out across several markets for its functional groups and its role in precise organic synthesis. Chemists who need both nitro and bromo functionality on an aromatic ketone often rely on 2-Bromo-2'-Nitroacetophenone because it allows subsequent steps—nucleophilic substitution, reductive coupling, and more—without inconvenient side-reactions caused by less stable analogues. Its molecular formula, C8H6BrNO3, and a molecular weight near 244 g/mol, give it a unique spot in synthetic routes where both activating and deactivating groups matter.

    Physical consistency underlies practical usage. We manufacture to guarantee batch-to-batch reproducibility, which matters much more than many realize. In the lab, a single off-color batch can derail days of work. Our lot control and in-process monitoring stem from firsthand experience with sensitive reactions where contaminants—even at trace levels—cause unwanted by-products or yield drops. We compound this attention to process with open feedback loops from downstream plants. Just a decade ago, some buyers thought all “2-Bromo-2'-Nitroacetophenone” was the same; chemists on the ground know better, because real chemistry exposes the blind spots of loosely controlled material.

    Key Qualities Shaped by Real-World Demands

    We synthesize this molecule in bulk, using only starting reagents that trace cleanly back to original production sources. This level of scrutiny isn’t overkill; it’s a way to avoid risk in higher-stakes projects—pharmaceutical API synthesis, specialty dye intermediates, advanced agrochemical R&D. As one example, the bromo group’s placement relative to the nitro ensures high selectivity when making derivatives. Chemists tell us that positional isomers, or impurities with the wrong ratio of ortho-para or meta-para substitution, cut into their yields and force extra purification steps. So our analytical team leans on HPLC purity checks and NMR confirmation with every production batch, prioritizing the kinds of tests most meaningful to synthetic end users.

    Shelf stability matters more than many want to admit. Not every shipment travels a short route or stays in ideal conditions. We hear from customers in both humid Asia-Pacific regions and cold climates that too much moisture sensitivity compromises storage and handling. Over years, we responded by refining our packaging approach. We only use materials tested for permeability and compatibility, meaning each drum that leaves our facility arrives with packing exactly matched to the lot of product inside—no more guessing whether the inner liner will complicate transfer or dosing.

    Why Specifications Shape Results

    The common debate revolves around “spec” versus “actual” performance. Some suppliers will list a 98% minimum assay and call it a day. In real application, customers tell us it’s trace aldehydes, halogenated biphenyls, or excess inorganic bromide that sneak into a process and show their face during final steps, not just the headline number. We built our internal controls to track these minor contaminants. At scale—and especially in pharmaceutical and electronic materials—these invisible issues can mean a failed lot or regulatory scrutiny.

    We don’t shy away from the technical details. Assays matter, but so do isomer ratios, water content, and controlled residual solvents. Each of our production runs carries supporting data: HPLC results show typical purity above 99%, but we offer detailed certificates that highlight not just what we do test for, but also the limits we refuse to exceed. Melting range consistency gets our attention, as even a few degrees’ drift can signal deeper process issues.

    Practical Applications: Real-Use Downstream Impact

    Where this intermediate distinguishes itself comes in what customers build next. Most of our output finds its way into sequential coupling processes to yield more complex heterocycles or to install specific motifs on core scaffolds—application in pharmaceutical development, high-value pigment chemistry, or specialty polymers. Some customers bought less refined material from other regions a few years back, only to learn later about reaction blocking or unexpected side-products. Their message to us has remained consistent: reliable, predictable inputs prevent unplanned stoppages and reduce time spent hunting down the source of downstream failures.

    As a material, 2-Bromo-2'-Nitroacetophenone also fits alkylation and complex cyclization processes. Its resonance-stabilized framework keeps side-reactions to a minimum, and its compatibility with mild bases lets users avoid harsh conditions—especially important if they handle other acid- or base-sensitive groups. Our own technical staff run pilot-scale validation reactions with each production improvement, so nothing leaves our floor without direct assessments in likely application conditions. Over repeated interactions with medicinal chemistry teams, we’ve improved our protocols to synchronize with evolving routes chemists actually use, not just with theoretical best-case procedures.

    How We Handle Safety and Transport—Lessons from the Field

    We started with smaller local delivery and have scaled up to international shipments, learning firsthand that 2-Bromo-2'-Nitroacetophenone calls for more respect than typical solvents or bulk acids. Its bromo and nitro functions both heighten reactivity, especially under heat or in the presence of reducing agents. As a result, everyone from our line workers to logistics staff receives detailed training on packing, labeling, and spill management. Transport documents travel locked to each dispatch, never separated, to reflect both regulatory compliance and our own need for audit trails.

    Customs officers in some countries have additional requests for paperwork describing starting materials or intended end-use, so we proactively keep robust records. Frequent cross-border buyers appreciate that nothing gets held due to incomplete documentation—practice built from the early days when we lost time to unanticipated customs delays. Direct feedback guided our approach to MSDS updates, shipping declarations, and lot-traceable packaging. For customers running international projects, this level of predictability cuts out major headaches during inventory swings or protocol changes.

    Differences from Other Halogenated Ketones

    Team discussions often compare our 2-Bromo-2'-Nitroacetophenone to adjacent products—whether related by structure or by end-use. Chlorinated analogues and mono-bromo acetophenones carry some overlap, but only this specific arrangement of nitro and bromo gives the required activation pattern for selective transformation. We have seen customers try “good enough” substitutes before pivoting back to our product after low conversion rates or compatibility issues hampered project timelines.

    To anyone outside chemistry, this distinction can appear academic, but bench reality shows otherwise. Chlorine analogues cost less, but reduction and replacement steps run with greater by-product risk—not to mention different safety profiles and disposal requirements. With non-nitrated halogenated acetophenones, yield and selectivity drop in key steps. The nitro group’s electron-withdrawing nature transforms the aromatic ring’s reactivity profile, directly impacting functionalization strategies in the hands of synthetic chemists. Our version, with carefully managed nitro-bromo ratio, meets those specialized needs that others overlook or cannot consistently replicate.

    Why Source Directly from a Manufacturer: Trust Gained from Repeated Experience

    Some buyers work through layers of distributors. Our long-term customers increasingly prefer to build direct relationships with us as a source manufacturer. They need technical data, immediate answers, and material that matches precisely with previously validated lots. When we speak with process teams, problems aren’t abstract. One batch heterogeneity or trace impurity can cause headaches that ripple up through an entire division. By controlling every step—raw material selection, reaction environment, final isolation, packaging, and documentation—we provide solutions that meeting-room conversations can’t replace.

    Bench and pilot trials anchor our improvement process. If we see recurring issues in external customer reports, our chemists revisit both process stages and analytical checkpoints. Our facility runs continual performance reviews, not just to maintain compliance or certifications, but because experience tells us that predictable output is the best way to help customers avoid wasted work. Fewer rescheduling headaches, less downtime due to off-specification materials, and more durable relationships with those who trust us year after year—these outcomes matter just as much as capacity or pricing.

    Troubleshooting and Supporting Customer Success

    Supporting customers does not stop at order completion or shipment. Regular feedback cycles guide our technical support. Over the years, clients have brought us specific challenges: contamination traced to environmental handling, unplanned reactivity in downstream reactions, or even regulatory confusion in packaging. With each conversation, we learn more about the environments and equipment in use abroad, and we use this insight to rethink both process flow and final product presentation.

    For early or small-scale adopters, we supply laboratory quantities packaged in material-specific vials, while larger production orders receive shipment in sealed drums, each tagged for tracking and storage accountability. In neither case does product integrity take a back seat. When issues arise, we do not brush off responsibility; we set up direct communication between our chemists and end users, fast-tracking resolutions and, if necessary, adjusting future runs to close gaps in performance. Every batch brings an opportunity to learn, and our best results come from dialogue—not from one-sided transactions.

    Moving Forward: Keeping Synthesis Practical and Reliable

    2-Bromo-2'-Nitroacetophenone represents more than a catalog entry or commodity stock number here. It encapsulates our approach to manufacturing: rigor in raw materials, precision in process control, and constant engagement with chemo-centric projects in the real world. Speeds of innovation drive demand, but our dedication to dependable chemistry comes from long experience and a recognition that, for our partners, the margin of error remains small.

    As the field advances, with more sophisticated targets and tighter regulatory expectations, molecules like this demand ever-greater clarity about how they are produced, stored, and delivered. We stay on the path with those who partner with us, invested in matching the rhythm of development and discovery. Our facility will continue refining not only our product itself, but our whole ecosystem: traceable sourcing, transparent documentation, and open-door technical support.

    Each time a customer reaches out with a challenge, an insight, or a suggestion, they help us raise our standard. With this mindset, and with our accumulated practice, we keep 2-Bromo-2'-Nitroacetophenone reliable, trustworthy, and ready for whatever comes next in synthetic chemistry’s evolution.