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2-Bromo-4'-Nitroacetophenone

    • Product Name 2-Bromo-4'-Nitroacetophenone
    • Alias 1-(2-Bromo-4-nitrophenyl)ethan-1-one
    • Einecs 241-876-6
    • 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

    211317

    Chemical Name 2-Bromo-4'-Nitroacetophenone
    Cas Number 2107-96-0
    Molecular Formula C8H6BrNO3
    Molecular Weight 244.04
    Appearance Yellow solid
    Melting Point 113-117°C
    Boiling Point No data available (decomposes)
    Solubility Slightly soluble in water, soluble in organic solvents
    Purity Typically ≥97%
    Smiles CC(=O)C1=CC=CC(=C1Br)[N+](=O)[O-]
    Inchi InChI=1S/C8H6BrNO3/c1-5(11)6-2-3-7(9)8(4-6)10(12)13/h2-4H,1H3
    Density 1.65 g/cm3 (estimated)
    Storage Temperature 2-8°C
    Hazard Statements Irritant, Harmful if swallowed
    Synonyms 2-Bromo-1-(4-nitrophenyl)ethanone

    As an accredited 2-Bromo-4'-Nitroacetophenone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 5-gram bottle of 2-Bromo-4'-Nitroacetophenone arrives in a sealed, amber glass container with a tamper-evident screw cap.
    Shipping 2-Bromo-4'-Nitroacetophenone is shipped in secure, sealed containers to prevent moisture ingress and contamination. It is classified as a hazardous material, requiring appropriate labeling and documentation. Transport must comply with relevant regulations, ensuring temperature control and limited exposure to light. Handling by trained personnel is mandatory for safe delivery.
    Storage 2-Bromo-4'-Nitroacetophenone should be stored in a tightly sealed container, kept in a cool, dry, and well-ventilated area, away from sources of ignition, moisture, and incompatible substances such as strong oxidizers and bases. Protect from light and direct sunlight. Proper chemical labeling and access control are essential to ensure safe storage and prevent accidental exposure or contamination.
    Application of 2-Bromo-4'-Nitroacetophenone

    Applications of 2-Bromo-4'-Nitroacetophenone in Industrial Manufacturing

    As the original manufacturer of 2-Bromo-4'-Nitroacetophenone, we partner directly with advanced processing sites in the pharmaceutical, agrochemical, electronic chemicals, and pigment synthesis sectors. Our integrated quality control, production formulation expertise, and traceability protocols support consistent downstream results for customers requiring this specialty intermediate in critical manufacturing scenarios.

    1. Pharmaceutical Intermediate Synthesis

    Production facilities apply 2-Bromo-4'-Nitroacetophenone as a defining intermediate for specific active pharmaceutical ingredient (API) synthesis processes, particularly in manufacturing anticonvulsant and analgesic drugs. In controlled environments, formulators introduce this compound during initial halogenation and condensation steps, ensuring precise substitution patterns for subsequent cyclization reactions integral to final API molecular frameworks. Adjustments to the ratio respond to batch scale, impurity thresholds, and regulatory-documented starting material residuals.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • United States Pharmacopeia (USP) relevant monographs for starting materials, e.g., General Chapter <821>
    • European Pharmacopoeia (Ph. Eur.) monograph compliance
    • FDA and EMA Drug Substance Regulatory Submissions (21 CFR Part 211)

    Typical usage ratio

    • 0.6%–1.8% by weight of total reaction mixture, depending on yield optimization and process qualification

    Downstream process integration

    • Direct addition to halogenation or nitration reactors as a key building block during early-stage API synthesis
    • Monitored feed in multi-step process lines via automated dosing under cleanroom or controlled environment standards

    Final product types

    • Intermediates for anticonvulsant drug APIs
    • Key steps for analgesic compound manufacture
    • Precursors for substituted benzene ring pharmaceutical structures

    2. Agrochemical Intermediate Manufacture

    Major crop protection companies employ this compound as a strategic intermediate in processes yielding target-specific herbicides and insecticides. The material’s brominated aromatic ring allows precise further transformation within closed-system reactors, where it serves as an anchor for nitroarene coupling and biotransformation to create bioactive moieties with tailored efficacy and regulatory profiles in registered plant protection agents.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • REACH Annex II Agricultural Use Registration
    • EPA Pesticide Registration Manual, Subpart C (USA)
    • ISO 17025 for Analytical Validation in Pesticide Ingredient Manufacturing

    Typical usage ratio

    • 1.0%–2.5% by batch weight for intermediate synthesis, with optimization based on downstream conversion efficiency and purity specifications

    Downstream process integration

    • Input as a core reactant to aromatic substitution, nitration, or cyclization steps in herbicide or insecticide active ingredient synthesis
    • Introduced early in multi-step synthesis to provide halogenated, nitro-substituted aromatic base for further reactions

    Final product types

    • Intermediate building blocks for selective herbicide active ingredients
    • Precursor to insecticidal agents for field and seed treatment formulations
    • Starting material for synthesis of functionalized agrochemical actives

    3. Electronic Chemicals — Liquid Crystal Intermediate

    Manufacturers of high-performance liquid crystal display (LCD) materials integrate this compound as a key halogenated intermediate for synthesizing advanced aromatic cores essential in display chemistry. The regulated combination of nitro and bromo functionalization enables downstream construction of liquid crystal molecules with targeted optical anisotropy, response times, and thermal stability profiles in alignment with current electronic display industry demands.

    Industry compliance standards

    • IEC 61249 Electronic Material Standards
    • RoHS Directive (EU) 2011/65/EU for hazardous material restriction
    • ISO 9001:2015 Quality Management in Electronic Chemicals Manufacturing
    • Producer-specific Green Manufacturing Audits for LCD Component Supply Chain

    Typical usage ratio

    • 0.9%–1.5% by total formulation mass, adjusted according to performance and purity requirements of target compounds

    Downstream process integration

    • Processed in aromatic substitution reactions before functional group elaboration and final molecular alignment for liquid crystal formulation
    • Incoporated in batch reactors under inert gas for controlled halogen substitution

    Final product types

    • Liquid crystal intermediates for TFT-LCD and OLED display materials
    • Substituted aromatic cores used in electronic display panels
    • Specialty molecular structures for advanced optical applications

    4. Pigment and Dye Intermediate Production

    Specialty pigment and dye producers utilize this intermediate as part of multi-stage syntheses for high-performance azo and anthraquinone colorants. Its electron-withdrawing nitro and bromo groups facilitate controlled coupling reactions, which help precisely modulate color fastness, shade, and stability in finished coatings, inks, and plastics applications requiring robust chromophore frameworks.

    Industry compliance standards

    • EN 71-3 Migration of Certain Elements for Pigments in Toys
    • OEKO-TEX Standard 100 for Textile Safety Certification
    • ISO 14001 for Environmental Management in Pigment Manufacturing
    • AP(89)1 Council of Europe Resolution for Food Contact Materials (where used in indirect contact coatings)

    Typical usage ratio

    • 1.2%–2.0% in stage-wise pigment formulation adjusted for targeted absorption/emission properties and process yield

    Downstream process integration

    • Fed into coupling or ring closure stages during multi-component pigment and dye synthesis
    • Incorporated under controlled temperature and pH to optimize chromophore formation

    Final product types

    • Azo-pigment dyes for textiles and plastics
    • Anthraquinone-based pigments for high-performance coatings
    • Advanced organic colorants for specialty printing inks
    Free Quote

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    Certification & Compliance
    More Introduction

    Introducing 2-Bromo-4'-Nitroacetophenone: More Than Just a Building Block

    Purpose-Driven Chemistry for Real-World Applications

    In our facility, the journey from raw material to finished product follows a clear track: practical needs and proven performance come first. Every batch of 2-Bromo-4'-Nitroacetophenone gets its start here in our own reactors, and we understand every stage because we do it ourselves. Over years of chemical manufacturing, we’ve watched this compound shift from a specialty intermediate to a backbone in certain advanced chemical processes. What sets it apart isn’t only its molecular structure, but the consistent, clean reactivity it provides when precision and reliability stack up at the lab bench or in commercial production.

    Physical Properties You Can Trust

    Our product emerges as a crystalline solid. Each batch melts within a consistent temperature band, with careful monitoring during crystallization. Teams with direct experience in isolation see the difference in color and purity at a glance. Strict controls during bromination and nitration steps eliminate major byproducts that complicate downstream synthesis. The resultant material delivers a bright appearance without the oily residue or amorphous clumping that often turns up with off-spec work.

    This compound doesn’t present significant challenges in storage or transport. In dry, room-temperature areas, it remains stable for prolonged durations, and its moderate volatility allows for a range of processing routes without specialized containment. In daily handling, plant personnel note its robustness—it doesn’t degrade in the drum or blend during warehousing. This gives peace of mind to those who manage inventories across widely varying climates.

    Unique Performance in Synthesis

    A sharp eye for what works distinguishes experienced chemists from paper-pushers. Here, 2-Bromo-4'-Nitroacetophenone earns its keep by reacting precisely where intended, without introducing wildcards. Both bromine and nitro groups remain well positioned for nucleophilic substitutions, reductions, and cross-coupling. Technicians using our lots for Suzuki or Buchwald-Hartwig reactions rarely report complications from solubility or reactivity drift.

    The acetophenone core delivers a logical anchor for further functionalizations, and in practice, this has opened doors. In certain API syntheses and agrochemical development, the nitro group allows tailored reductions, while the bromine provides a foothold for installing extensive complexity. Feedback from regular customers confirms that the purity benchmarks we enforce—checked via HPLC and NMR—reduce purification costs downstream. Chemists don’t spend long hours battling impurities that sneak in from inconsistent upstream suppliers.

    Clear Advantages Over Related Intermediates

    In chemical supply, price per kilogram means little without factoring in process efficiency. We’ve produced other acetophenone derivatives over the years, and the contrasts become obvious in routine use. Products lacking the bromine atom often require more aggressive reaction conditions to reach similar endpoints, introducing risk and time costs. Swapping the nitro for less activating groups delivers tepid reactivity, forcing process engineers to compensate with higher temperatures or stronger catalysts.

    Compared to para-bromoacetophenone or ortho-nitro analogs, our product’s regiochemistry sits in the sweet spot for both substitution and reduction stages. The 4'-position of the nitro group offers cleaner access to amines via catalytic hydrogenation, while leaving the acetyl and bromo substituents untouched in most systems—an asset for precise, multi-step synthesis.

    Users sometimes ask about cost-saving alternatives. Our records show the hidden costs of higher-waste processes built around simpler starting materials. More side-products, more solvent use, and lost yield in every batch end up leaving the bottom line worse than sticking with genuine 2-Bromo-4'-Nitroacetophenone. Manufacturing this molecule at scale, we eliminate such headaches and guarantee that the product works as a direct input for the transformations it was meant for.

    What World-Scale Manufacturing Teaches about Product Quality

    Running campaigns of several metric tons teaches lessons beyond what’s written in textbooks. Temperature control during bromination has a direct effect on end-point purity—missed targets by as little as two degrees make the filtration behave worst, dragging out cycle times or leading to solvent drag. Our plant operators have refined both the equipment and the timeline so these variances get minimized, and stubborn secondary crystallizations have become a rarity.

    Downstream, the importance of particle size and flow speaks volumes when filling kegs or blending for bulk shipment. Finer material leads to dusting and wastage, while oversized chunks resist dissolution on scale. Our staff, responsible not just for reaction setup but also for packing, has iterated on every batch to keep sizing consistent—all without needing to grind or blend post-synthesis. The result translates to lower losses and cleaner operations for customers further along the value chain.

    Supporting Safety and Regulatory Commitment

    Years of hands-on work with regulated end uses enforces respect for documentation and safety controls. We maintain full batch-level traceability, from incoming bromine and nitro precursors to the point the final drums leave our yard. Our analytical team keeps tight watch on known impurities flagged by both domestic and international guidelines, ensuring trace components stay well below listed action limits.

    Operators in production run the full suite of monitoring solutions: dust suppression, well-ventilated areas, and regular PPE checks. We’ve learned not to rely on paper compliance, but rather enforce protocol through practical training and routine safety audits. Many first-time visitors express surprise at our house rule that a product is labeled ready only after three separate hands check and sign an internal release card.

    In application-oriented fields—especially pharma and crop science—our customers often submit product samples for third-party audit. We welcome this practice. More than once, these independent labs have confirmed that our internal reporting on purity and residual solvent levels matches their advanced findings. This step builds trust across the supply network and shortens the pre-approval process for complex new projects.

    Usability in Custom Synthesis and Scale-Up

    Increases in project scale put every intermediate to the test. Clients using small jars in method development transition to drums in scale-up, and cracks in reactivity or stability become costly. Our lots hold up across kilograms to multi-ton runs. Consistency in melting point and assured shelf life remove surprises during long campaigns. Reaction completion times suffer less drift. Actual reported yields track closely with numbers seen in initial exploratory chemistry.

    Feedback from both contract research and in-house process teams reveals that our 2-Bromo-4'-Nitroacetophenone clears initial checkpoints faster. Speeding past troubleshooting often means one fewer experiment, one fewer week on the clock, and confidence grows with each successful transfer. Seeds from our own production have enabled client sites on four continents to launch new routes without needing material substitution or excessive adjustment.

    Years back, we fielded requests for higher throughput in low-polarity solvents, a scenario inviting complications with certain impurities. After systematic process tweaks, today’s material dissolves smoothly in common apolar and moderately polar solvents. Project chemists no longer face clumpy suspensions or uneven charge dissolution. In a field where time lost equals certainty lost, practical usability delivers far more value than features that look good only on paper.

    Why Direct-from-Factory Matters

    Many buyers have stories of supply chain pain—a drum compromised in transit, or a broker promising “identical” material only to deliver off-cut batches from surplus. Having the capacity to make, test, and dispatch every kilogram under one roof ensures consistency. There’s no relabeling, and there’s never a doubt about source.

    Direct handling allows for special requests as well. Custom packaging or modified drying protocols can be met with minimal lead time by technicians already on shift, instead of waiting for distant third-party approval. If a project requires atypical moisture content or fast-tracked analytical records, these adaptations are built into the manufacturing flow—with firsthand accountability.

    Owning the reactor gives us flexibility to pivot when supply surges, or an order’s size pushes beyond prior expectations. Dynamic scheduling and reliable staffing prevent the backorders or partial shipments that plague buyers dependent on resellers. Once the batch leaves our gates, it reflects not just standards, but also the muscle and craft of a team that made the outcome their own responsibility.

    Collaboration with the Application Experts

    We value partnership with research, QC, and process development teams—not just purchasing departments. Regular exchanges with bench chemists have refined both specs and logistics. For example, project scientists from specialty pharma companies sometimes request test lots for comparison with competitive intermediates. Sending pilot lots and gathering real feedback sharpens our blend even further.

    In actual practice, upgrades to the purification train or tweaks to particle sizing stem from practical conversations following site trials. Over the past several years, these exchanges translated into better reproducibility and fewer unexpected variances. Chemists working under real-world constraints—whether pressed for time or product scope—teach us which traits matter most. The lessons feed straight back into the process floor and our QA lab.

    We’ve hosted technical workshops, bringing together regular users for firsthand demonstrations of analytical traceability and batch-to-batch reliability. This doesn’t just yield transparency; it builds trust, shapes future product versions, and encourages open communication about special needs or quality targets. Good chemistry at the bench begins with open channels in production.

    Commitment to Growth and Ongoing Improvement

    Chemistry never stands still. Raw material trends, regulatory targets, and process upgrades demand constant watchfulness. In our own operation, investments in solvent recovery, real-time purity monitoring, and waste minimization stem directly from customer and internal feedback. These updates reduce environmental impact and keep our teams ahead of evolving requirements.

    Our technical teams monitor both the competitive landscape and technical literature, picking up cues for possible improvements. If an advanced analyst identifies a lower detection limit for an impurity, we incorporate this knowledge immediately. Quick pivots maintain an edge for companies demanding the tightest specs.

    Direct, ongoing dialog with technical partners means adaptations can happen in days, not months. This agility keeps each order suited to its true purpose, not just a generic standard. As the needs of chemical and pharmaceutical industries evolve, so does the approach in our own plant.

    Value in Reliability Over Hype

    Dollar for dollar, true value sits where solid track records speak louder than marketing claims. In the world of specialty intermediates, the old temptation to chase the lowest price yields only short-term wins—at the real cost of time, reputation, and loss. Teams weary from past material nightmares know that delivering a kilogram of known quality on a known schedule counts for more than promises of miracle batches or next-generation labels.

    End users who select our 2-Bromo-4'-Nitroacetophenone gain a partner in manufacturing and problem-solving. From day one, the approach has favored frank discussions and transparent problem resolution. Repeat orders come not from glossy brochures but from projects landing on schedule with results predictable enough for scale.

    The collective experience of our crew—years at the reactor, on the line, and in the packing bay—ensures that each drum carries the knowledge that only hands-on professionals earn over thousands of production hours. If challenges arise, solutions emerge from those same hands, unfiltered by layers of sales or marketing.

    Looking Ahead: Meeting New Challenges

    Industry innovation and regulatory tightening shape the demand for higher-purity, lower-waste intermediates. Our plant stands prepared to adapt, building on hard-won experience with 2-Bromo-4'-Nitroacetophenone. By championing separation improvements and encouraging open feedback, we keep pace with new routes and stricter requirements.

    Partnership with technical and procurement teams across biotech, pharma, and advanced materials continues to inform our every move. Product evolution remains rooted in those lessons learned: never take reliability for granted, never stop watching for the difference between what works once and what works every time.

    For every batch that leaves our doors, our pledge carries forward: chemistry shaped by real use, tested in real plants, and backed by people living their work every day.