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5-Bromo-2,3-Difluorophenol

    • Product Name 5-Bromo-2,3-Difluorophenol
    • Alias 5-Bromo-2,3-difluoro-1-hydroxybenzene
    • Einecs 841-820-8
    • 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
    • CONTACT NOW
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    Specifications

    HS Code

    851089

    Productname 5-Bromo-2,3-Difluorophenol
    Casnumber 906352-35-8
    Molecularformula C6H3BrF2O
    Molecularweight 208.99 g/mol
    Appearance White to off-white solid
    Solubility Soluble in organic solvents
    Purity Typically >98%
    Smiles C1=C(C=C(C(=C1F)F)Br)O
    Inchi InChI=1S/C6H3BrF2O/c7-3-1-4(8)6(10)2-5(3)9/h1-2,10H

    As an accredited 5-Bromo-2,3-Difluorophenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Brown glass bottle, 25 grams, white screw cap, tamper-evident seal, clear labeling with chemical name, CAS number, and hazard warnings.
    Shipping 5-Bromo-2,3-Difluorophenol is shipped in tightly sealed containers, protected from moisture, light, and incompatible substances. It should be handled as a chemical reagent, with adherence to local, national, and international regulations. Transport may require labeling for hazardous materials, ensuring compliance with safety standards throughout shipping and handling.
    Storage 5-Bromo-2,3-Difluorophenol should be stored in a tightly closed, labeled container, protected from moisture and direct sunlight. Keep it in a cool, dry, well-ventilated area, away from incompatible substances such as strong oxidizers, acids, and bases. Use a chemical storage cabinet suitable for corrosive or halogenated compounds. Ensure the storage area conforms to local safety regulations and access is restricted to authorized personnel.
    Application of 5-Bromo-2,3-Difluorophenol

    Applications of 5-Bromo-2,3-Difluorophenol in Industrial Manufacturing

    As a direct manufacturer, we supply 5-Bromo-2,3-Difluorophenol to a range of specialized industries. The following application fields represent actual, high-volume downstream use cases, each with unique compliance, formulation, and integration profiles in real-world production environments.

    1. Pharmaceutical Intermediate Manufacturing

    5-Bromo-2,3-Difluorophenol serves as a regulated building block for several patented and generic active pharmaceutical ingredient (API) syntheses, particularly in the anti-infective and oncology categories. Medicinal chemistry teams use this compound during advanced heterocyclic coupling and halogenation reactions. Its specific halogenated structure enables targeted modifications during multi-step syntheses and improves the overall pharmacokinetic profile of downstream APIs. All handling and trace impurity controls follow current Good Manufacturing Practices to ensure product safety for human health applications.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • US FDA 21 CFR Part 211 (current GMP for finished pharmaceuticals)
    • USP-NF monograph compliance for relevant APIs
    • EU GMP Annex 1 (sterile medicinal products, related starting materials)

    Typical usage ratio

    • 0.5%–2.5% by weight in final reaction mixtures; molar excess adjusted based on downstream coupling efficiency and desired halide substitution level

    Downstream process integration

    • Charged during Stage II–III of multi-step API synthesis, commonly as a reactive electrophile in Suzuki or Buchwald–Hartwig couplings
    • Undergoes further derivatization or protection/deprotection steps
    • QC teams monitor residual bromide/fluoride and related substances

    Final product types

    • Anti-cancer drugs (e.g., kinase inhibitors with difluorinated aromatic motifs)
    • Broad-spectrum antibiotics (fluorinated phenol derivatives)
    • Precursor for CNS-active pharmaceutical agents

    2. Agrochemical Synthesis

    Chemical crop protection manufacturers employ 5-Bromo-2,3-Difluorophenol in the synthesis of selective herbicides, fungicides, and seed treatment agents. The compound’s specific halogenation pattern allows for tailored electronic effects on active agrochemical molecules, enhancing target selectivity and soil stability. Formulators introduce this intermediate during the synthesis of pyridine, triazole, or phenolic herbicide cores. Raw material supplies meet agricultural chemical standards for process safety, worker protection, and environmental release control.

    Industry compliance standards

    • FAO/WHO Pesticide Specification Guidelines
    • OECD Guideline for the Testing of Chemicals (for intermediate assessment)
    • ISO 9001:2015 (Quality Management in Agrochemical Production)
    • REACH (EC No. 1907/2006) registration for intermediates

    Typical usage ratio

    • 1%–8% by weight based on targeted substitution pattern and crop protection compound yield

    Downstream process integration

    • Incorporated during aromatic halogenation or etherification steps in plant protection synthesis lines
    • Participates as an aryl halide in coupling with amines or heterocycles under controlled reactor conditions
    • Trace impurity and unreacted phenol removal conducted via liquid-liquid extraction and distillation

    Final product types

    • Herbicides for broadleaf and grass weed control
    • Fungicides used in seed co-treatment formulations
    • Insecticidal phenols for integrated pest management

    3. Electronic Chemicals and Semiconductor Processing

    5-Bromo-2,3-Difluorophenol is integrated into the production of specialty materials for the microelectronics sector, primarily as a precursor for high-dielectric constant polymers and advanced photoresist formulations. The compound’s halogen substitution enables chemical manufacturers to synthesize electronic-grade resins with required thermal and oxidative stability. Downstream applications focus on flexible printed circuit board coatings and photolithography for silicon wafer fabrication. Internal batch and trace metals analysis follow industry standards for ultra-low impurity content.

    Industry compliance standards

    • SEMI C3 standard for chemical purity in microelectronics
    • JEITA ET-5002: Chemical Substances Management
    • RoHS Directive (2011/65/EU) for material restrictions
    • ISO 14001:2015 for environmental management in semiconductor manufacturing

    Typical usage ratio

    • 0.1%–1% by weight in formulated photoresist or specialty polymer blends; can be adjusted based on resist sensitivity and device layer thickness

    Downstream process integration

    • Introduced during monomer feed preparation for chlorination or fluorination of polymer backbones
    • Enters as a cross-linking precursor in spin-on dielectric coatings
    • Quality control involves HPLC and mass spectrometric analysis for organohalide and fluoride contaminants

    Final product types

    • Photoresists for advanced lithography
    • Flexible circuit board coatings
    • High-dielectric polyimide films for microelectronics

    4. Advanced Material Science – Liquid Crystal Synthesis

    Manufacturers of liquid crystal intermediates use 5-Bromo-2,3-Difluorophenol to construct high-performance mesogens. The compound’s specific fluorine and bromine substitution allows tuning of electrical permittivity and enhances molecular alignment in nematic and cholesteric liquid crystals. Its predictable reactivity profile supports scale-up in both batch and continuous flow setups under vacuum or inert atmosphere. Material science teams adjust phenol incorporation ratios based on final display characteristics and switching voltages.

    Industry compliance standards

    • IEC 61249-2 (Material standards for display applications)
    • ISO 9001:2015 for quality management in advanced materials
    • Japanese Industrial Standard JIS C2110:2001 (Liquid Crystal Materials)
    • REACH conformity for liquid crystal intermediates

    Typical usage ratio

    • 2%–6% by weight of total liquid crystal precursor batch; precise ratio depends on end-product birefringence and viscosity targets

    Downstream process integration

    • Undergoes etherification or esterification with aliphatic or aromatic chain carriers in precursor blending stage
    • Component isolation by selective crystallization and vacuum distillation
    • Real-time monitoring of phase purity and isotropic-to-nematic transition points

    Final product types

    • Nematic and cholesteric liquid crystal materials
    • LCD panel mixtures for consumer and industrial displays
    • Specialty electro-optical polymers for e-paper

    5. Specialty Dye and Pigment Intermediates

    Dye and pigment formulators incorporate 5-Bromo-2,3-Difluorophenol into the synthesis of complex benzene ring systems for high-performance industrial colorants. Its molecular structure supports improved lightfastness, thermal stability, and color vibrancy, especially in dyes designed for textile, plastics, and automotive applications. Manufacturing teams carefully control the reactivity of the bromo-fluoro substituents during azo or anthraquinone coupling steps to ensure batch-to-batch reproducibility and environmental compliance with restricted substance lists.

    Industry compliance standards

    • OEKO-TEX Standard 100 (textile chemistry, colorant safety)
    • EN 71-3 (Safety of toys – migration of colorants for plastics)
    • ISO 9001:2015 for pigment and dye synthesis
    • EU REACH SVHC compliance (for non-carcinogenic dyes)

    Typical usage ratio

    • 0.2%–3% by weight, tuned for chromophore intensity and migration properties in final application

    Downstream process integration

    • Integrated into initial condensation or halogen-exchange reactions as a diazotization substrate
    • Purified via column chromatography and microfiltration
    • Final batch undergoes accelerated weathering and migration testing

    Final product types

    • Industrial textile dyes
    • High-stability automotive pigments
    • Plastic color masterbatches for injection molding
    Free Quote

    Competitive 5-Bromo-2,3-Difluorophenol prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    5-Bromo-2,3-Difluorophenol: Reliable Performance from the Manufacturer’s Bench

    What We See from Years on the Line

    Day after day in our production rooms, we synthesize aromatic compounds for a growing number of clients in the agrochemical, pharmaceutical, and electronic industries. 5-Bromo-2,3-difluorophenol takes up a valuable spot among the phenolic intermediates we handle. Manufacturing each batch in-house has shown us the practical differences between this molecule and other halogenated phenol analogs. Our teams continuously evaluate raw material traceability and reaction controls, learning to identify where tight tolerances pay off in the end product. This direct experience gives us a solid understanding of what users need when they reach for a product like this.

    Batch Consistency as a Matter of Trust

    Our 5-Bromo-2,3-difluorophenol (model: BDFP-023-BR) typically presents as an off-white solid, with each lot passing through our true-to-spec crystallization and purification sequence. Yield fluctuations often end up tied to upstream differences in starting material purity or the patience required during controlled bromination. We habitually verify melting points and NMR signatures, because skipping these checks can lead directly to off-target synthesis, lost time, and rework at a client’s lab.

    Each truckload of solvents and halogen sources that pulls into our yard might bring subtle shifts in reaction yield, so we analyze and adjust batch records for in-process reproducibility. By sticking to these practices, we’ve cut down on headaches for chemists scaling up from milligram trials into multi-kilo pilot runs. You can see the impact right on the analytics; high-performance liquid chromatography confirms minimal byproducts or isomeric contamination, supporting even the most demanding synthesis routes.

    Where This Compound Sits in the Workflow

    Lab teams pick this compound for its dual halogen profile—both a bromine and two fluorines anchored to the phenol ring. This blend opens multiple paths in coupling reactions that other, simpler phenols just don’t match. That ortho-fluorine configuration nudges selectivity in Suzuki, Sonogashira, and Buchwald-Hartwig steps, while the phenol moiety offers routes to ether or ester derivatives. Lately, we see requests rising from pharmaceutical and agrochemical makers exploring new heterocycle libraries and fluorinated analogs for improved bioactivity.

    If you hold up a bottle of our 5-bromo-2,3-difluorophenol beside monohalo compounds or unfluorinated phenols, the difference is more than academic. Electrophilicity changes, solvent compatibility shifts, and downstream intermediates gain new reactivity. Compared to unsubstituted phenol or basic bromophenols, this product frequently enables more selective and higher-yielding substitutions, especially in combinatorial applications.

    Why Model and Purity Matter Together

    A manufacturer at scale sees firsthand why “model” is more than just a catalog entry. For BDFP-023-BR, the core value comes from our consistency in bromine and fluorine positioning, confirmed by spectral calibration. Purity specifications are not window dressing—they underpin every gram of material leaving our plant. Pharmaceutical clients in particular demand narrow impurity profiles, as regulators do not easily forgive structural analogs lurking as impurities. Routine inspection by GC and HPLC helps us limit content outside specified limits, so clients spend less time troubleshooting unexpected spots during incoming materials testing.

    Product storage and packaging feed directly into downstream performance. We seal solid product under inert gas, out of direct sunlight, to guard against air- or moisture-dominated side reactions that can spike with many halophenols. Such practices may seem tedious, but after seeing how quickly humidity invites hydrolysis or phenolic discoloration, we stick to these routines out of respect for everyone downstream.

    Comparison with Closely Related Products

    Every time we develop a new substituted phenol, we reinterpret procedures from neighboring compounds, looking for translation and difference alike. 5-Bromo-2,3-difluorophenol walks a distinct line compared to its 4-bromo-2,6-difluoro cousin or trifluorophenols. The bromine’s position makes it a more flexible nucleophilic partner, while the two ortho-fluorines steer reactivity in ways only experienced synthesis chemists truly appreciate until they run the reaction.

    We often find that customers weighing options between mono- vs. difluorinated phenols—or between bromo and chloro analogs—care about both reactivity and cost. Our direct synthesis pathway keeps costs in check, but more importantly, it gives us a transparent record of the process. Working closely alongside R&D teams lets us see outcome differences in, say, Suzuki couplings or phenolic ether formations—reactions sensitive to subtle ring effects from halogen patterning.

    Most inquirers want concrete evidence, not paperwork. We gladly provide recent batch spectra for comparison with their own in-house NMR or MS equipment, enabling clean method transfer. This kind of transparency has cemented a loyal base among those who value predictability above all.

    Supporting Application Innovation with Reliable Input

    After repeated discussions with researchers formulating new APIs or advanced materials, we recognize how risky it feels to change a trusted input. Any deviation is scrutinized for trace byproducts or altered reactivity. That’s why our technologists welcome direct technical feedback. We have adapted a few steps in our workup to minimize trace water, meeting the needs of more sensitive organometallic coupling reactions.

    For agrochemical innovators, even minor out-of-spec issues in their starting phenols can delay whole project pipelines—the financial and time pressure is immense. We make a point of validating each lot’s storage stability, monitoring for potential shelf-life issues that might slip past high-throughput screening environments. Listening to these concerns drove us to switch to enhanced barrier bags as a new standard, instead of basic polyliner drums, even when the total cost-of-packaging rises.

    Technical Support Based on Real Production Experience

    Because we manufacture the core, we know exactly what upstream variables matter for your downstream projects. One common pain point? Many labs order commercial bromofluorophenols and soon realize that their reaction yield crashes because the bromine was introduced at a different site from their literature precedent. Through hands-on collaboration, we help clients troubleshoot these mismatches, drawing on our tracked lot history and production records.

    We keep a library of application notes, compiled not from theory but from pilot runs and scaled batches. These notes include optimal solvent selections, stirring regimes, and filtration tips that save hours in scale-up. We share this know-how because it lowers overall industry troubleshooting cycles, and most customers appreciate a supplier walking the last mile with them, not just dropping off materials at the dock.

    Evaluating Real-World Challenges in Halogenated Phenol Supply

    The path from theoretical synthesis to kilogram-scale output includes plenty of snags. Control of side-product formation stands out. Early in our experience, cheap halogen sources frequently drove up impurity levels, requiring laborious chromatographic cleanup downstream. After switching to higher-purity reagents and updating reactor controls, we cut this problem significantly, but these costs flow through the supply chain. As a manufacturer, we try to strike the right balance: high-purity output, fair price, known origin, and consistent supply.

    Hazardous waste is no small matter with halobenzenes, so we invested in new scrubber capacity and solvent recovery. Environmental and compliance teams run annual process audits, and their findings have nudged us to accept slightly higher production logistics complexity to drive down both emissions and isolated residue content in the end product. We made these calls not just for regulatory filings, but because our own operators value health and safety, recognizing that industry reputation builds over years but falters with one major lapse.

    Transparency Earned on the Plant Floor

    Clients and industry peers increasingly value transparent sourcing. Because we own the process, from raw material negotiation to finished packaging, we track every input and output across the chain. We openly share analytical data and batch histories so QC teams and regulators can see clear traceability. Our hands-on production notes have helped more than one customer pass a surprise audit thanks to clean, well-maintained documentation.

    Feedback loops don’t just run in one direction. End-user labs sometimes flag a lot-specific idiosyncrasy—a slight shift in reaction time, unexpected color change, or a rare odor. We investigate each report rigorously, often revisiting source batches and running cross-checks on our archives. Direct responsibility for process and product enables fast action; no waiting on slow relays between third parties, no confusion about what happened at which step.

    Sustainability Considerations and Industry Responsibility

    Looking ahead, sustainability will continue shaping halogenated phenol production. We joined several industry working groups designing safer solvent recovery strategies and reducing reliance on bromine sources known for problematic mining practices. Engineering teams in our plant regularly review options for waste reduction—both to shrink our environmental footprint and to meet evolving global standards.

    We approach energy efficiency by mapping reaction enthalpies, using simulation alongside real plant data. Not every process can move to greener chemistry in a single jump, but small improvements across the chain add up. Our clients, particularly international partners, track carbon footprints for their sourcing, and we make it part of our routine to supply them with meaningful, plant-level data, not just recycled brochure talk.

    Customization and Beyond-the-Standard Orders

    A growing percentage of our business now includes modified orders. We receive requests for specific packaging, micronized forms, or tailored stability studies. Some labs push us for isotopic labeling or for trace metals measured beyond standard specs. Because we run our own reactors and QC labs, we can often accept challenges that trading firms simply pass along. This flexibility stems from plant-floor know-how and ongoing dialogue with researchers requiring niche or emerging applications in drug discovery and materials chemistry.

    We see this as both a technical challenge and a market differentiator—being the factory that can listen, respond, and manufacture unique requests to spec. Over the years, this approach has driven our adaptation to changing regulations and customer preferences, yet we remain disciplined in not over-promising on timeline or capability. When something takes additional time or specialized equipment, we discuss transparently, letting users make informed project decisions.

    Building Industry Relationships Over Years: The Manufacturer’s Perspective

    With every order, shipment, and technical inquiry, we build a direct relationship between plant and laboratory. Instead of faceless transactions, we keep the feedback loop open, continually refining our working methods and product specifications. Our direct engagement with clients—including visiting their facilities to troubleshoot or co-develop new applications—lets us see firsthand how our compound integrates in real manufacturing environments.

    We’ve observed product adaptation ripple out beyond our original applications. One customer’s modified synthesis led to a licensing opportunity for a new diagnostic marker. Another’s input on reaction bottlenecks inspired us to alter our work-up, shaving hours off their downstream purification. These stories are living proof of a genuine manufacturer’s commitment—the know-how comes from hands-on work, not theory alone.

    Practical Advice for New Users

    We recommend trial batches be run at the same environmental conditions planned for future scale-up. Sometimes, subtle differences in local solvent grade or water content throw off reproducibility. Close review of analytical data at both origin and destination helps avoid surprises. Dry storage and quick resealing after use—never letting the bottle ‘breathe’ longer than necessary—minimizes risk of product oxidation or unexpected discoloration. Our technical team can provide run logs and guidance on best practices, gathered from our own and our clients’ real-world use.

    Not every application calls for a difluorinated, brominated phenol. For situations where milder activation or different selectivity rules the day, we offer related compounds and will walk through the pros and cons openly. This advisory approach comes from experience: not every innovation stems from sticking with the standard, and misuse of a higher-activated electrophile can confound rather than help. We will never push this product if an alternative is genuinely a better fit for the chemistry at hand.

    Ongoing Commitment from Our Shop to Yours

    Every kilo of 5-bromo-2,3-difluorophenol that leaves our site has its roots in discipline and plant-floor problem solving. We keep a real-world view, always looking for more reliable synthesis, greater purity, and practical batch traceability. We see our reputation tied as much to the success of our clients as to our own plant numbers. Questions and custom requests are always welcome. We’re ready to share knowledge, offer comparative analytics, and adapt when needed, supporting productive work for all who depend on a steady, honest supply of this key halophenol.