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4-Bromo-3,5-Difluorobenzonitrile

    • Product Name 4-Bromo-3,5-Difluorobenzonitrile
    • Alias 4-Bromo-3,5-difluorobenzonitrile
    • Einecs 849-980-8
    • 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
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    Specifications

    HS Code

    579287

    Chemicalname 4-Bromo-3,5-Difluorobenzonitrile
    Casnumber 85188-20-9
    Molecularformula C7H2BrF2N
    Molecularweight 218.00
    Appearance White to off-white solid
    Meltingpoint 62-66°C
    Purity Typically >98%
    Solubility Slightly soluble in organic solvents
    Smiles C1=C(C=C(C(=C1F)Br)F)C#N
    Inchi InChI=1S/C7H2BrF2N/c8-6-1-4(9)7(10)5(2-6)3-11
    Synonyms 4-Bromo-3,5-difluorobenzenecarbonitrile
    Storageconditions Store at room temperature, tightly closed, in a dry place
    Hazardclass Irritant

    As an accredited 4-Bromo-3,5-Difluorobenzonitrile factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

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    Application of 4-Bromo-3,5-Difluorobenzonitrile

    Applications of 4-Bromo-3,5-Difluorobenzonitrile in Industrial Manufacturing

    As a specialized manufacturer producing high-purity 4-Bromo-3,5-Difluorobenzonitrile, we serve established industrial customers engaged in active pharmaceutical ingredients, crop protection intermediates, high-performance OLED materials, and specialty fluorinated fine chemicals. Below we detail specific application scenarios, formulation guidance, integration into customer production lines, compliance frameworks, and the downstream finished goods made using this advanced building block.

    1. Pharmaceutical Intermediate Synthesis for Antiviral Compounds

    In pharmaceutical manufacturing, this raw material functions as a building block for advanced intermediates used in synthesizing API cores, especially in heterocyclic antiviral agents. Chemists leverage the unique bromine and fluorine motif to introduce selective reactivity at key step transformations, improving molecule stability and pharmacodynamic profiles in finished APIs.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practices for APIs
    • USP, EP, and JP monograph guidance for intermediate purity
    • FDA 21 CFR 210-211 for pharmaceutical production
    • EU GMP Annex 1 for sterile manufacturing environments

    Typical usage ratio

    • Input ratio varies between 0.18–0.45 molar equivalents per target intermediate batch, with adjustments based on desired substitution pattern and scale of end pharmaceutical reaction.

    Downstream process integration

    • Material charges directly into Buchwald–Hartwig amination or palladium-catalyzed C-N bond-forming steps as the functionalized aromatic coupling component, typically in solution-phase with precise stoichiometry.

    Final product types

    • Antiviral API intermediates (e.g., benzimidazole, triazole cores)
    • Final formulated pharmaceutical tablets and injectables

    2. Agrochemical Active Ingredient Precursor

    Crop protection chemical producers employ this compound in the multi-step synthesis of selective herbicides and fungicides with fluorinated aromatic backbones. Its dual fluorine positions facilitate controlled halogen exchange, enabling fine-tuning of agrochemical activity while supporting environment-centric residue management requirements.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 Quality Management Systems for agrochemical production
    • OECD Guidelines for the Testing of Chemicals (e.g., residue, bioaccumulation)
    • REACH Regulation (EC) No 1907/2006 for registration

    Typical usage ratio

    • Dosage typically set at 2–7% by weight of initial synthesis mixture, tailoring the proportion to the reaction scheme for final pyridine or pyrazole-based pesticide scaffolds.

    Downstream process integration

    • Integrates as an electrophilic aromatic substrate during nucleophilic aromatic substitution or Grignard-type processes, controlling regioselectivity and downstream product purity by carefully calibrated addition in early-stage synthesis.

    Final product types

    • Technical-grade selective herbicides (e.g., fluorinated triazine derivatives)
    • High-purity fungicide actives
    • Formulated suspension concentrates and ECs for crop spraying

    3. OLED Intermediate for Organic Electronic Materials

    Manufacturers of OLED materials apply this compound as an essential intermediate for tailoring emissive and transport layers in organic displays. The difluoro and bromo functionalities enable direct coupling to electron-rich cores, creating high-efficiency, thermally-stable emissive molecules for display backplanes and lighting components.

    Industry compliance standards

    • IEC 62629-1-1:2017 for OLED technologies
    • ISO 9001:2015 for specialty chemical manufacturing
    • RoHS Directive 2011/65/EU for hazardous substance control in electronics
    • Customer-specific technical and analytical validation protocols

    Typical usage ratio

    • Utilized at 0.5–2.1 mol per 10 mol of target functionalized aryl core, with the loading determined by targeted functionalization degree and device brightness/lifetime specifications.

    Downstream process integration

    • Feeds into Suzuki or Stille cross-coupling reactions, forming emissive layer precursors or transport layer materials, with purification steps to meet stringent optical-grade quality at sub-ppm impurity levels.

    Final product types

    • OLED emissive layer compounds (e.g., blue/green dopant precursors)
    • Electron-transport and hole-blocking materials
    • Finished organic light-emitting diode modules and display panels

    4. Fluorinated Fine Chemical Synthesis

    Producers in the advanced materials and specialty chemical sector utilize this compound as a precursor for custom fluorinated aromatics, supporting the production of high-value specialty additives and performance enhancers in coating, lubricant, and polymer modification.

    Industry compliance standards

    • ISO 9001:2015 for consistent quality management
    • SEMI C93 for electronic chemicals (if final applications require semiconductor compatibility)
    • GHS Classification and Labeling for transport and handling safety
    • Customer-specific technical acceptance standards for purity and residual solvents

    Typical usage ratio

    • Applied at 3–10 weight%, with variance reflecting product performance goals, targeted substitution pattern, and further downstream modifications.

    Downstream process integration

    • Initial raw material for nucleophilic aromatic substitution, halogen-metal exchange, or cyanation reactions, enabling introduction of tailored functionalities before downstream polymer blending or small molecule additive formulation.

    Final product types

    • Surface-modified fluorinated additives for high-performance coatings
    • Functionalized intermediates for fluoropolymer side-chains
    • Custom fine chemicals for specialty resin manufacturers
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    Certification & Compliance
    More Introduction

    Introducing 4-Bromo-3,5-Difluorobenzonitrile: Precision in Chemical Synthesis

    A Closer Look at 4-Bromo-3,5-Difluorobenzonitrile

    Some folks might wonder what makes 4-Bromo-3,5-Difluorobenzonitrile stand out. Science can sound intimidating, though, so let’s make it plain: this compound, with the chemical formula C7H2BrF2N, finds its real value in how it streamlines the work of chemists and researchers wrestling with tough synthetic challenges. Speaking as someone who’s been on both the research bench and the production line, I can see just why a product like this earns a spot in advanced chemical toolkits. The combination of a bromine atom and two fluorine atoms on the benzonitrile core gives this molecule a unique balance of reactivity and stability, opening useful doors in pharmaceutical and material research especially.

    Folks in the lab recognize quickly how precise substitutions on a benzene ring direct a reaction’s course. The 4-bromo group offers a reliable grip for coupling reactions, especially valuable for intricate syntheses that need both precision and predictability. On the other hand, the 3,5-difluoro substitutions can steer electronic effects in ways that influence binding affinities, metabolic stability, and even the bioavailability of target molecules. I remember the puzzle of trying to nudge reactivity just a little with single functional groups—having tools like this would’ve saved plenty of time and trouble.

    Model, Purity, and Real-World Usages

    This product gets used where accuracy matters more than speed. In pharma R&D, developers count on exact molecular frameworks, because small changes have a big impact on how a medicine behaves in the body. 4-Bromo-3,5-Difluorobenzonitrile brings a predictable profile to Suzuki-Miyaura and Buchwald-Hartwig cross couplings, making it a go-to fragment for creating novel building blocks. Analytical purity usually tops 98%, so you’re not wasting time troubleshooting mysterious side products. That’s the kind of reliability that saves effort, especially when you’ve got synthetic routes with ten-plus steps.

    It’s not just about getting from A to B—it’s about choosing the right tool for the path. This compound gets picked for its supportive role in late-stage diversification, which means chemists use it to adjust molecular properties near the end of a complex synthesis. The bromo group acts as a handshake for palladium-catalyzed reactions, while the cyano group on the ring opens up extra chemistry possibilities by serving as a handle for further modification. Parts of the research world focus on making fluorinated pharmaceutical intermediates with improved metabolic stability, and it hits this target because the dual fluoro groups help dampen unwanted reactions and influence hydrogen bonding interactions.

    The Neck-and-Neck Competition: Choice Matters

    There’s plenty of competition out there—chemicals with similar names and appearances line the supplier catalogs. The moment of truth comes down to what goes into the flask and how it behaves. I’ve seen cheap, impure materials that ruined a week of work: excessive moisture, sneaky side products, unpredictable melting ranges. That kind of hassle can derail a promising project. You can feel the difference between a compound that consistently delivers and one that sends you back to square one. Compared to rivals like mono-fluorinated benzonitriles or bromo analogs lacking the cyano group, 4-Bromo-3,5-Difluorobenzonitrile shows a real edge in selectivity, because the combination of substitutions tunes both physical and chemical properties with a rare finesse.

    Working with this compound avoids the headaches that pop up with less stable analogs. Some similar chemicals carry reactive groups that start to break down under basic conditions, or pick up water from the air and start reacting before you want them to. Here, the difluoro pattern offers a steady hand, making the molecule robust enough to handle various synthetic protocols. Handling and weighing out this white crystalline solid feels straightforward, for anyone who’s stood in a chilly storeroom comparing containers. The consistency in physical appearance and melting point is more than just cosmetic; it reassures the user that each sample will behave like the last, which means less double-checking and more productive testing.

    Real Talk: What Sets This Product Apart

    In any field, small differences add up over time. In chemistry, precision pays off. 4-Bromo-3,5-Difluorobenzonitrile makes that difference by joining a rare set of properties: the bromine gives a handle for key coupling reactions, the dual fluoro groups dampen unwanted side chemistry while modulating key electronic effects, and the cyano group sits ready for further derivatization. In practice, this means fewer headaches in purification, more reproducible yields, and a tighter grip on process control. During a critical synthesis for a fluorinated kinase inhibitor, for example, the use of this compound shaved weeks off the total timeline compared to more fussy precursors—saving time, money, and a few gray hairs in the process.

    For anyone making custom small molecules, time isn’t the only thing at stake. Missed deadlines and inconsistent results knock confidence and turn partners or clients away. Early on in my career, we chased low-cost intermediates with unpredictable success, struggling with batch-to-batch drift and impurities that turned up at the worst possible moment. As soon as the team switched to high-purity, verified sources—like this product offers—the headaches vanished. Reliable starting materials are the keystone for successful scale-up, tech transfer, and regulatory review. It means fewer fire drills at two in the morning and more time focusing on the core work of innovation.

    From the Bench to Commercial Use

    It’s easy to forget that every glossy pharmaceutical or advanced material starts life on a researcher’s workbench. That’s where a compound like 4-Bromo-3,5-Difluorobenzonitrile comes into its own. On a small scale, it provides a testing ground for structural changes that can yield big breakthroughs in binding or selectivity. With reliable supply and stable quality, it also supports larger production runs, transitioning smoothly from milligrams to kilos. That sort of seamless scaling isn’t always a given; anyone who’s watched a gram-scale reaction behave perfectly only to stumble during scale-up knows the value of consistent, field-tested intermediates.

    Pharmaceutical innovators rely on nimble chemistry. The journey from idea to clinic often hinges on tweaking a lead structure: adding or subtracting a functional group, swapping out a halogen, flipping stereochemistry. Here, the unique profile of this benzonitrile derivative plays a quiet but crucial role. The presence of both bromo and difluoro groups means more options for tuning target molecules without bogging down the rest of the system. Synthesis isn’t always a straight line—there are plenty of setbacks and late-night brainstorms. But the right fragments lower the hurdle, taking some of the unpredictability out of discovery and helping teams adapt to new information from biological testing or regulatory updates.

    Beyond the Lab: Broader Implications

    Innovation in chemistry doesn’t stop with academic research. Downstream, the effects ripple out to energy, materials science, and process chemistry. Imagine a material scientist working on a new polymer or an agricultural chemist redesigning pesticide candidates for more favorable environmental profiles. Each tweak in a molecular structure can reshape performance, safety, and market acceptance. In these sectors, too, precision intermediates like 4-Bromo-3,5-Difluorobenzonitrile take center stage for their ability to deliver targeted changes with few unwanted side effects.

    Environmental and workplace safety concerns ride alongside compound selection. Handling difficult or unstable precursors increases both risk and costs in regulated settings. Chemists, process engineers, and QA specialists know that straightforward, well-characterized intermediates support safer protocols and smoother audits. The stable handling profile of this product reduces both training time and storage headaches, and its robust shelf life means less waste, both of time and materials. Confidence in raw materials lets project teams focus attention where it matters—on developing products that meet ever-rising standards for safety and performance.

    Solutions and Forward-Thinking Practices

    It’s easy to fall into old habits in research and manufacturing, sticking with tried-and-true building blocks even when they’ve let you down before. Investing in high-quality, high-purity intermediates like 4-Bromo-3,5-Difluorobenzonitrile shifts that equation. Projects move faster with less troubleshooting. Teams avoid last-minute surprises tied to batch variability. It also opens the door for continuous process improvements, since reliable raw materials take uncertainty off the table. Whether developing a new method or refining an old one, clear data and robust outcomes are easier to achieve with consistent starting points.

    Managing costs remains a constant struggle, especially under tight deadlines or limited budgets. But cutting corners on intermediates rarely pays off. Waste, rework, or regulatory setbacks eat away any apparent savings. Early in my own experience managing small-scale API development, switching to better intermediates—choosing something of this caliber—helped our group reach key milestones with fewer setbacks. Money saved by investing in quality echoed through every stage, from the experiment planning through filings and pilot plant campaigns. It let us avoid supply chain headaches, and it kept morale up since teams could trust what they were working with.

    We all want to bring safer, more effective products to market. That goal means partnering with suppliers who value transparency, thorough documentation, and responsive support. Those qualities matter at every scale, from academic testing to full-scale production. Having a compound like 4-Bromo-3,5-Difluorobenzonitrile available—with its clear identity, reproducible performance, and detailed technical data—lets developers and chemists make informed, confident choices every step of the way. I’ve seen firsthand how these “minor” decisions can change the entire character of a project, transforming obstacles into opportunities for smarter, more agile development.

    Quality and Traceability in Practice

    The science of synthesis is only as strong as its foundation. Every reaction depends on reliable inputs, tight process control, and fast troubleshooting when the unexpected happens. Detailed certificates of analysis, complete with impurity profiles and batch data, make a strong impact on daily work for quality teams. These touchpoints matter less to those outside the lab, but anyone under pressure to deliver knows the anxiety that follows uncertainty in raw materials. Being able to point to verified results—from melting point verification to chromatographic purity—brings real peace of mind.

    This sort of documentation isn’t just a checkbox for compliance; it’s a partnership tool, smoothing the path for technology transfer and regulatory review. The easiest tech transfers I’ve been part of revolved around raw materials that came with clear, comprehensive records. Teams could reproduce conditions, investigate deviations, and trace problem batches with minimal wasted time. As pharmaceutical oversight tightens, and data integrity demands grow, traceable, high-grade intermediates make life smoother for everyone downstream.

    Transparency Builds Trust

    Many researchers and producers look beyond what’s simply available; trust is built on consistency, transparency, and honest communication about what goes into each batch. Building a supply relationship around a reliable product like 4-Bromo-3,5-Difluorobenzonitrile supports shared goals between supplier and end user. Over the years, I’ve seen how access to well-documented materials allowed our team to troubleshoot bottlenecks, address customer feedback, and keep projects moving without scrambling at the eleventh hour. Those positive outcomes add up—making collaborators and clients more likely to take the next step, confident that what’s promised matches what’s delivered in the drum or bottle.

    Beyond the immediate chemistry, this level of transparency creates a feedback loop: users report on unexpected results and suppliers tweak processes or improve QA systems in response. This collaboration helps the whole sector raise standards, encouraging new players to match higher levels of quality assurance and documentation.

    Comparing With the Rest

    Other intermediates might seem interchangeable at a glance, but the careful pairings of functional groups in 4-Bromo-3,5-Difluorobenzonitrile set it apart. Single-substitution benzonitriles or difluorinated analogs without the bromo-cyano push often lack the versatility for end-stage modifications. Some carry greater risk for byproduct formation under typical conditions. Others might look cheaper on paper, but consistent users see their true cost in failed reactions, more complicated purifications, or regulatory flags. I’ve worked with teams fighting through unreliable suppliers—always wishing we had chosen a more dependable starting material sooner.

    It’s easy to lose days—and frustrate your best chemists—when subtle differences in reactivity or physical properties turn into lost time. 4-Bromo-3,5-Difluorobenzonitrile sidesteps these concerns, offering a field-tested package of reliability, processability, and robust behavior under a range of reaction conditions. Confidently reaching for it means trusting your work will remain on track, no matter what changes or surprises come up as development progresses.

    Innovation Demands Quality Inputs

    Industries that deal in complex chemistry—pharmaceuticals, materials, electronics—live or die by the quality and predictability of their building blocks. High-purity, well-characterized intermediates like this one support safer, faster, more ambitious projects. Over time, I’ve seen major bottlenecks dissolve once teams built their syntheses on foundation stones like 4-Bromo-3,5-Difluorobenzonitrile rather than questionable reagents or budget substitutes. Consistency breeds confidence, and that confidence fuels the bold, smart risk-taking that pushes the field forward.

    In a world where timelines tighten, standards increase, and complexity grows, the choice of intermediates offers no place to cut corners. Reliable sourcing, clear characterization, and repeatable performance matter in every sector that deals with chemicals. That’s where 4-Bromo-3,5-Difluorobenzonitrile earns its place in the top drawer—a workhorse that lets innovators do their best, most creative work without distraction from the basics.

    Final Thoughts: Value Beyond the Bottle

    For those involved in bringing new chemical entities from idea to market, every stage demands resilience and adaptability. That starts with basics: raw materials that behave as advertised. After years in labs and production suites, I know firsthand the relief dependable intermediates bring. 4-Bromo-3,5-Difluorobenzonitrile represents more than a chemical structure—it’s a boost to team confidence, a safeguard against rework, and a quiet driver of success across the innovation pipeline. Its broad compatibility, precise reactivity, and predictable quality build a bedrock under projects that set out to make tomorrow’s discoveries real. There’s no substitute for trust in your tools—and with this product, that trust comes naturally, bottle after bottle.