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1-Bromo-2,4-Difluorobenzene

    • Product Name 1-Bromo-2,4-Difluorobenzene
    • Alias 1,3-Difluoro-4-bromobenzene
    • Einecs 219-420-1
    • 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

    954968

    Name 1-Bromo-2,4-difluorobenzene
    Cas Number 1836-62-0
    Molecular Formula C6H3BrF2
    Molecular Weight 193.99
    Appearance Colorless to pale yellow liquid
    Boiling Point 148-150 °C
    Melting Point -15 °C
    Density 1.668 g/cm3
    Refractive Index 1.512
    Purity ≥98%
    Flash Point 41 °C
    Solubility In Water Insoluble
    Smiles C1=CC(=C(C=C1F)Br)F
    Ec Number 217-370-1

    As an accredited 1-Bromo-2,4-Difluorobenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The chemical is supplied in a 100 mL amber glass bottle with a secure screw cap, labeled with hazard symbols and product details.
    Shipping 1-Bromo-2,4-Difluorobenzene is shipped in tightly sealed containers, compliant with international chemical transport regulations. It is classified as a hazardous material (UN 1993, Flammable Liquid), requiring appropriate labeling and documentation. The chemical should be stored upright, away from heat sources, and transported via approved carriers specializing in hazardous materials.
    Storage 1-Bromo-2,4-difluorobenzene should be stored in a tightly closed container, in a cool, dry, well-ventilated area away from sources of ignition and incompatible substances such as strong oxidizers. Protect the chemical from moisture and direct sunlight. Proper chemical labeling and secure storage in a designated flammable liquids cabinet are recommended to minimize risk and ensure safe handling.
    Application of 1-Bromo-2,4-Difluorobenzene

    Applications of 1-Bromo-2,4-Difluorobenzene in Industrial Manufacturing

    1-Bromo-2,4-difluorobenzene is a specialized halogenated aromatic intermediate that plays a key role in downstream synthesis routes across selected chemical sectors. As the original manufacturer with a strict quality assurance framework, we support high-volume and custom demand for its use in advanced chemical building blocks. Below, we highlight real-world application scenarios where this raw material meets the technical, regulatory, and formulation requirements of end-use sectors. Each application outlined is based on established industrial practice, sector-specific compliance codes, and actual formulation uses by global manufacturers.

    1. Active Pharmaceutical Ingredient (API) Intermediate Synthesis

    This compound is widely integrated as a halogenated intermediate in the multi-step synthesis of certain next-generation pharmaceuticals, especially where fluorination enhances drug candidates’ metabolic stability or binding affinity. Its structure enables regioselective coupling reactions, supporting the assembly of complex heterocycles in API manufacturing for targeted therapies.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP-NF and European Pharmacopoeia in process quality controls
    • FDA 21 CFR Part 210/211 for pharmaceutical manufacturing systems
    • REACH Annex VII for intermediate registration

    Typical usage ratio

    • Concentration in coupling reactions: 0.2 – 1.0 molar equivalents relative to core scaffold; adjusted by the complexity of the target molecule and impurity profile sensitivity.

    Downstream process integration

    • Added during the aromatic bromination, Suzuki or Buchwald-Hartwig cross-coupling stages to introduce fluoro-bromo substitution patterns in pharmaceutical lead structures.

    Final product types

    • Small-molecule anticancer compounds (e.g., kinase inhibitors)
    • Fluorinated anti-infective API intermediates
    • Precursor blocks for CNS drugs

    2. Agrochemical Synthesis (Herbicide & Fungicide Intermediates)

    The molecule serves as a core intermediate in the efficient production of advanced fluorinated agrochemicals. Its controlled reactivity in palladium-catalyzed or nucleophilic aromatic substitution processes allows downstream manufacturers to achieve high yields in active ingredient assembly for crop protection agents.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 for agricultural production quality management
    • REACH Regulation (EC No 1907/2006) for agrochemical substances
    • OECD GLP Guidelines for intermediate evaluation

    Typical usage ratio

    • Formulation input: 0.5–1.2 equivalents relative to nucleophile or Grignard reagent; based on selectivity, by-product profile, and intended active substance yield.

    Downstream process integration

    • Used in the initial arylation reactions for assembling fluorinated phenolic cores prior to further modification (hydroxylation, amination, or sulfonation) in technical-grade herbicide and fungicide synthesis.

    Final product types

    • Precursor for triazole and pyridine fungicides
    • Intermediates for new-generation fluorinated herbicides

    3. Liquid Crystal Material Synthesis

    Horizontal integration in the fine chemical sector leverages the compound’s high purity and halogen-fluorine substitution for constructing advanced liquid crystal precursors. Fluorinated aromatics are essential for tuning dielectric anisotropy and viscosity in the display industry’s next-generation liquid crystal mixtures.

    Industry compliance standards

    • RoHS Directive 2011/65/EU for electronic chemicals
    • IEC 60416 for material testing in LCD applications
    • ISO 9001/14001 certified production for specialty chemicals
    • JIS C6109 for LC material qualification (Japan)

    Typical usage ratio

    • Blend component: 2–8% by mass of total aromatic precursor mixture, adjusted for targeted birefringence and temperature ranges in finished liquid crystal formulations.

    Downstream process integration

    • Integrated as a starting building block in Suzuki-Miyaura cross-coupling or direct fluorination steps to build multi-ring structures for LC intermediate pools, subsequently purified and blended for display applications.

    Final product types

    • Twisted Nematic (TN) and Super Twisted Nematic (STN) liquid crystals
    • In-plane switching (IPS) display blends
    • Customized LC compounds for TFT-LCD manufactures

    4. Custom Fluorinated Polymer Monomer Production

    Major fluoropolymer manufacturers engage this aryl compound during the targeted synthesis of specialty monomers for subsequent polymerization. Incorporation of difluorophenyl and bromo functionalities into monomer backbones enhances chemical resistance and functional diversity in high-performance polymers.

    Industry compliance standards

    • ASTM D4000 for plastic materials & chemical resistance
    • ISO 14001 for environmental management on synthetic operations
    • REACH compliance for monomer precursors
    • FDA 21 CFR 177.1550 for fluoropolymer food-contact materials (if required)

    Typical usage ratio

    • Bromoarene charge: 0.3–1.0 molar equivalents as a comonomer precursor or activator, variable by targeted polymer chain architecture and grafting density.

    Downstream process integration

    • Introduced at the halogen-functionalized aromatic pre-polymer stage, undergoing further functionalization (e.g., Grignard metathesis or nucleophilic substitution) to obtain reactive intermediates for custom monomer synthesis.

    Final product types

    • High-temperature-resistant fluorinated polyaryl ethers
    • Engineered copolymers for electronics and membrane filtration
    • Functional protective coatings for chemical plant equipment

    5. Advanced Dye and Pigment Manufacturing

    Synthesizers of specialty dyes and pigments select this raw material for its controlled halogenation in the preparation of intermediate structures leading to highly fluorescent or photostable chromophores. Its reactivity profile supports the assembly of complex aromatic rings essential for demanding color application in inks and coatings.

    Industry compliance standards

    • ETAD Eco-Toxicological Standards for dyestuff manufacture
    • ISO 9001 for batch-record tracing in dye production
    • REACH notified substances as required for pigment intermediates
    • Ecolabel criteria for non-toxic dye ingredients (end product dependent)

    Typical usage ratio

    • Polycondensation or coupling stage: 0.15–0.6 equivalents based on aromatic nucleus building requirements and desired hue intensity.

    Downstream process integration

    • Charged during halogenation and initial coupling (e.g., azo/anthraquinone routes) prior to final purification and dispersion in application-specific dye or pigment batches.

    Final product types

    • High-stability colorants for specialty inks
    • Photostable pigments for industrial coatings
    • Fluorescent markers for laboratory and textile use
    Free Quote

    Competitive 1-Bromo-2,4-Difluorobenzene 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.

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    Certification & Compliance
    More Introduction

    Real-World Insights on 1-Bromo-2,4-Difluorobenzene from the Chemist’s Bench

    A Closer Look at 1-Bromo-2,4-Difluorobenzene

    Turning raw ideas into reliable chemical solutions takes more than a reaction equation. In this business, we don’t walk away after the batch cools. We are intimately involved from first distillation to final shipment. That’s how 1-Bromo-2,4-Difluorobenzene found its way from our reactors to the benches of our customers. We have worked with halogenated aromatics for decades, and this compound brings some unique capabilities. The chemical model, C6H3BrF2, describes its structure, but experience tells us far more than a formula ever could.

    What Makes 1-Bromo-2,4-Difluorobenzene Stand Out?

    Every day, customers come to us with questions about selectivity, reactivity, and the real performance of fine chemicals. More than just a flavor of difluorobenzene with a bromine at the para position, this material is frequently considered for targeted synthesis, especially in complex pharma projects and agrochemical design. Its appeal starts at molecule level — there’s a careful interplay between the bromine and fluorine atoms on the benzene ring. This arrangement provides a combination of reactivity and stability that is not widely available among halogenated benzenes.

    Fluorine atoms at the 2 and 4 positions bring tough C-F bonds and a potent deactivating effect, especially in electrophilic aromatic substitution reactions. The bromine at the 1 position, meanwhile, acts as a responsive leaving group for metal-catalyzed couplings. These features give chemists a high level of control during Suzuki, Heck, or Ullmann reactions, where harsh conditions are unwelcome. Anyone who has run a sluggish cross-coupling knows the frustration of sticky byproducts. 1-Bromo-2,4-difluorobenzene stays clean and moves predictably from step to step, reducing downstream headaches.

    Not every fluorinated aromatic behaves so consistently. Some models, like 1-bromo-4-fluorobenzene, show more volatility or side reactions, especially as temperature climbs. Our compound’s extra fluorine brings enough stability to meet the standards of our most demanding clients. In solvent systems, and under pressure, it keeps impurities low. This gives us and our partners an edge in scaling up without repeated purification steps that drain resources.

    Quality Rooted in Manufacturing Practice

    We have been listening to reports from production floors as much as from lab benches; both matter when it comes to high-value building blocks. We achieve an assay of >99% by minimizing residual starting materials and halide contaminants, using high-efficiency fractional distillation columns. As the manufacturer, we have also learned that batch-to-batch consistency depends just as much on attention to detail in raw material sourcing. Low-grade sources of bromine or difluorobenzene create costly roadblocks, even before the main synthesis begins. Our in-house reviewer scrutinizes not only the GC trace but also subtle changes in solvent content and trace acid residues. It’s these small adjustments that show up in reproducibility, day after day.

    Moisture content and packaging integrity also require careful controls. Our solution: inertized, sealed drums and periodic revalidation of container material. We have seen others run into trouble with reactive metal containers, so we standardize on lined vessels for every batch shipment. This matters not only for transport, but for opening containers in bulk and specialty applications, where trace contamination reduces yield.

    Some might overlook the choice of stabilizers, or skip extra drying cycles to save a few steps. Over years of shipment and custom tolling, we have learned our customers appreciate purity more than a few days’ faster delivery. Foresight and patience keep impurities at bay, giving reliability that translates into successful kilo and multi-ton batch outcomes.

    Where Our Chemical Gets Used — Real Applications, Real Learning

    Our chemical’s main use keeps shifting with the market, but pharma discovery and agricultural innovation have been steady drivers. In active pharmaceutical ingredient (API) synthesis, 1-Bromo-2,4-Difluorobenzene helps lay down the framework of potent fluorinated motifs, which are impossible to reach with loosely regulated intermediates. Researchers tackling antimalarial or neuroactive targets have adopted our product because its reactivity profile tracks closely with reference standards. We don’t just move volume; we provide reliable feedstock for reactions that are sensitive to unplanned side products or trace halides, where even a whiff of byproduct skewers the result.

    For agrochemicals, it's not just about cost. Herbicide and fungicide precursors must meet strict profiles for regulatory compliance, not to mention field testing. Several partners credit their streamlined registration processes to the absence of certain halogen byproducts in our material. Our feedback loop with users keeps us tweaking and upgrading — we learned early on that improperly controlled production leads to unexpected impurities, which cascadingly affect both performance and regulatory acceptance. We pass on batch documents and analytical spectra that are as honest as the chemistry will allow, because we know that regulatory agencies now reach for the fine-tooth comb.

    Electronics research and specialty polymers represent growing segments, too. 1-Bromo-2,4-Difluorobenzene acts as a precursor for high-performance liquid crystals and specialized monomers. Fine-tuning the molecular structure of optoelectronic materials depends on absolute control over substituent orientation and composition. Customers report successful integration into multi-stage syntheses for OLEDs and advanced display materials, attributing minimal side reactions to tight quality control throughout our production chain.

    Lessons Learned on Differentiation

    Experience has taught us that minor structural differences in halogenated benzenes drive major differences in chemical performance. Direct substitution patterns shift reactivity, often in unpredictable ways. Most resellers lump isomers together, underestimating the importance of structure-activity relationships. We have run comparative studies on the 1,2-, 1,3-, and 1,4-difluorobenzene series, each time noting changes in electron-withdrawing character, coupling rate, and final yield. The 2,4-substitution pattern of our model offers a practical balance: sufficient electron withdrawal for stability, but enough reactivity for downstream synthetic transformations.

    We once took on a client project using 1-Bromo-3,5-Difluorobenzene, thinking it could fill the same role. Reaction rates dropped, and purification complexity skyrocketed, forcing the whole project timeline to slip. Flipping back to 1-Bromo-2,4-Difluorobenzene restored results and validated the importance of subtle structural placement. Years in the lab and plant floor have cemented this lesson.

    Another difference from others in this family: our product’s lower volatility. In a heated reactor, side loss reduces both safety and yield. 1-Bromo-2,4-Difluorobenzene stays more controlled under operational conditions compared to lighter halobenzenes, thanks to fluorine atom placement and molecular weight. This adds up to fewer solvent headaches and less inventory lost to overheads during scale-out.

    Supplying at Scale — The Real Manufacturing Story

    Supplying gram-scale samples or hundred-kilogram lots means more than just running reactors. We pay as much attention to loading, reaction quenching, and filtration as to glassware and analytical details. Process reliability, cleaning regimes, and operator training all show up in the product but rarely make it into datasheets.

    We’ve invested in flexible, staged production, which allows us to match output to customer needs, no matter how tight the timeline. Last year, a pharmaceutical client called for a sudden ton-scale increase, triggered by a late-stage clinical win. Our block scheduling, raw materials warehousing, and rapport with local carriers made it possible to double weekly shipments without a single missed assay check. Being close to our chemical, in every sense, means we can field requests for special packaging, tamper-resistant lining, or analytics on the fly.

    Transporting halogenated aromatics brings special risks and responsibilities. We don’t cut corners on hazardous goods handling, not to check a box, but because our reputation hangs in the balance. Fielding returns or damaged drums from carelessness would cost more than just material and money. Every drum is tagged, logged, and checked for leak-proof seals and regulatory compliance. As a result, we have maintained an accident-free record across regional and international shipments, building trust with repeat buyers who value reliability more than discount pricing.

    Challenges and Solutions in 1-Bromo-2,4-Difluorobenzene Production

    Manufacturing a clean product is a technical and logistical challenge. Reactions producing 1-Bromo-2,4-Difluorobenzene generate actual heat, fumes, and extended clean-up routines, not just a tidy beaker of liquid. One frequent problem: unwanted polybrominated byproducts. We tackle this by tightly monitoring charge ratios and in-line analytics. Every batch runs through calibrated reactors, and we adjust bromine dosing in real time if off-target aromatics start appearing.

    Temperature and pressure excursions cause headaches here, as they do in many fine chemical processes. An operator who ignores the subtleties between 110°C and 120°C soon learns how quickly yields can drop. We document every cycle — not just for compliance, but as part of our internal troubleshooting database. When a customer asks why a sample differs by a few tenths on the NMR, we can trace it back to the process values, not vague guesses. This is not just about recordkeeping; it’s about offering insights for process improvement, which benefits every user down the chain.

    Waste minimization has become non-optional. Gone are the days of flushing spent solvents down the drain or leaving brominated wastes for later treatment. Our plant has invested in regenerative scrubbers and multi-stage waste processing cycles, which capture and reduce halogenated byproducts to below regional emission limits. This is not trend-following but a product of living in a world where every chemical company faces real scrutiny. We choose to innovate rather than react, so we’re not caught off guard whenever a new regulation gets passed.

    The Human Factor — Learning from Our Community

    One thing we’ve kept constant: open communication with users, regulators, and academic partners. As a manufacturer, our responsibility covers not only product purity but also transparency. We share spectra, process notes, and impurity profiles, not just to meet the letter of the law, but to build confidence with our customers, whether they are purchasing 5 kg or full truckloads. Our technical support comes not from scripts, but from plant engineers, lab chemists, and sometimes even the manager who set up the original synthesis runs.

    We also receive and act on feedback from customers who find themselves with slow reactions or surprises in their own tests. In one instance, an overseas client identified an unknown UV-active impurity that our standard analysis had missed. We immediately set up a behind-the-scenes collaboration to isolate and identify the culprit, then updated our column purification protocol to eliminate future recurrences. This process of honest mistakes and iterative learning keeps us on our toes, and ensures that future lots meet evolving requirements.

    Moving Forward — The Future of Difluoroaromatics in Synthesis

    The demands on chemicals like 1-Bromo-2,4-Difluorobenzene are rising. Pharmaceutical pipelines continue chasing fluorinated motifs, and electronics manufacturers lean on unique aromatic structures to push the envelope in displays and lighting. We have seen growth in requests for even tighter impurity standards, advanced analytical profiles, and custom packaging solutions. We continue to invest in better process automation, tighter in-line monitoring, and new reactor setups — not just to add a talking point to our marketing, but because every incremental improvement pays dividends in the shop, the lab, and the research center.

    We also see rising interest from sustainability-driven projects, including green chemistry innovators seeking cleaner, lower-waste pathways to fluorinated aromatics. Our willingness to provide data, collaborate on custom syntheses, and invest in new environmental controls gives us a seat at the table when the next generation of chemical innovation takes shape. For all the advances in catalysis, analytics, and design, there is still no substitute for knowing the chemistry inside out, and being ready to support customers with genuine expertise, day or night.

    Over decades in this business, we have learned that every kilo of high-quality 1-Bromo-2,4-Difluorobenzene shipped carries with it not just a Certificate of Analysis, but also a promise. A promise that we have watched every process parameter, tracked every lot number, and kept the door open to feedback and improvement. For us, these details are not an afterthought; they are the foundation of our business, and the reason our customers return.