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2,3-Difluorophenol

    • Product Name 2,3-Difluorophenol
    • Alias 2,3-DFP
    • Einecs 251-637-1
    • 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

    610904

    Cas Number 2713-33-9
    Molecular Formula C6H4F2O
    Molecular Weight 130.09 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 173-174°C
    Melting Point −6°C
    Density 1.27 g/cm³
    Refractive Index 1.497
    Purity Typically ≥98%
    Flash Point 67°C
    Solubility In Water Slightly soluble
    Smiles C1=CC(=C(C(=C1)F)O)F
    Inchi InChI=1S/C6H4F2O/c7-4-2-1-3-5(8)6(4)9/h1-3,9H

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

    Packing & Storage
    Packing 2,3-Difluorophenol is supplied in a 100g amber glass bottle with a secure screw cap and tamper-evident seal.
    Shipping 2,3-Difluorophenol is shipped in tightly sealed containers made from compatible materials, such as glass or high-density polyethylene, to prevent leaks and contamination. It should be transported under cool, dry conditions, following all relevant chemical transport regulations. Proper hazard labeling and documentation must accompany shipments to ensure safe handling during transit.
    Storage 2,3-Difluorophenol should be stored in a tightly sealed container, away from moisture, heat, and direct sunlight. Keep it in a cool, dry, well-ventilated area, separated from incompatible substances such as strong oxidizing agents or bases. Ensure proper labeling, and store in secondary containment to prevent leaks or spills. Use protective equipment when handling to avoid inhalation or contact.
    Application of 2,3-Difluorophenol

    Applications of 2,3-Difluorophenol in Industrial Manufacturing

    2,3-Difluorophenol serves as a key intermediate for multiple downstream sectors owing to its unique fluorinated aromatic structure. Our manufacturing expertise ensures consistent quality and purity, supporting high standards across regulated industries. The following sections detail primary industrial applications, specifying compliance requirements, practical dosing guidelines, integration stages, and representative finished product categories based on active industry practice.

    1. Pharmaceutical Intermediate Synthesis

    Pharmaceutical manufacturers utilize 2,3-difluorophenol for heterocyclic scaffold modifications in the synthesis of active pharmaceutical ingredients (APIs), notably within antineoplastic and antiviral drug classes. Consistent purity meets stringent pharmacopoeial criteria to mitigate genotoxic impurity risk during scale-up. Operators dose this compound during key nucleophilic aromatic substitution or Suzuki-Miyaura coupling stages, directly impacting the core bioactive structure of end products.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • 21 CFR Part 211 (US FDA cGMP for finished pharmaceuticals)
    • EU GMP Part II
    • Relevant USP, Ph. Eur., or JP monographs governing starting material purity

    Typical usage ratio

    • 5–20% molar equivalent in relation to the final substituted aromatic intermediate, adjusted based on specific coupling protocol and impurity profile control

    Downstream process integration

    • Charged in initial aromatic halogenation or substitution step; further involved in catalytic cross-coupling reactions under controlled pH/temperature

    Final product types

    • Kinase inhibitor APIs
    • Non-steroidal anti-inflammatory developmental compounds
    • Antiviral clinical candidates with fluorinated phenolic moieties

    2. Agrochemical Formulation

    Manufacturers of advanced agrochemicals leverage 2,3-difluorophenol for synthesis of selective herbicide and fungicide actives where dual fluorination enhances target specificity and metabolic stability. The compound is introduced at the base skeleton formation stage, subsequently functionalized by etherification or coupling to diversify structure–activity relationships in new actives.

    Industry compliance standards

    • FAO/WHO Guidelines for the Quality Control of Pesticides
    • GB 2763 National Food Safety Standard of China – Maximum Residue Limits for Pesticides
    • EPA Registration Standards Title 40 CFR
    • ISO 9001:2015 for agrochemical production management

    Typical usage ratio

    • 3–10% w/w in reaction feedstock for target molecule synthesis, with ratio set by desired fluorine uptake and post-reaction purification yield

    Downstream process integration

    • Added during aromatic condensation or etherification stage, acting as a skeletal fluorination source before downstream esterification or amination

    Final product types

    • Fluorinated triazole fungicides
    • Pyrimidine-based herbicides
    • New-generation insecticidal actives with fluorinated aromatics

    3. Specialty Polymer Synthesis

    Producers of high-performance specialty polymers select 2,3-difluorophenol to incorporate fluorinated aromatic rings within polyether or polyarylate backbones. This adjustment grants resulting polymers superior chemical resistance and controlled glass transition temperatures, meeting strict industry standards for electronics and engineered coatings. The compound undergoes nucleophilic aromatic substitution with bisphenol co-monomers, defining polymer chain structure and functionality.

    Industry compliance standards

    • UL 94 Flammability Standards for Polymer Materials
    • IEC 61249-2-21 for halogen-free electronic base materials
    • ISO 9001:2015 for quality assurance in polymer synthesis
    • ROHS restrictions on hazardous substances (when applicable)

    Typical usage ratio

    • 1–8% mole basis relative to diol reactants, tailored based on target fluorine incorporation and mechanical performance requirements

    Downstream process integration

    • Fed into step-growth polymerization reactors alongside bisphenols and dicarboxylic acids or dichlorides under controlled stoichiometry

    Final product types

    • Fluorinated polyetherimides
    • Advanced epoxy resins for printed circuitry substrates
    • Electronics encapsulation films

    4. Organic Electronic Materials Development

    2,3-Difluorophenol features in the synthesis of organic semiconductors and optoelectronic precursors, where precise fluorination patterns modulate electronic properties for device applications. Producers employ this raw material for customizing energy levels within small-molecule and polymeric structures, vital in developing organic light-emitting diode (OLED) and field-effect transistor (OFET) components that must comply with stringent cleanroom and material property benchmarks.

    Industry compliance standards

    • JEITA ET-7304 Standard (for materials used in display manufacturing)
    • ISO 14644 for cleanroom and controlled environment compatibility
    • QC protocols for electronic grade organic materials (e.g., trace metal and halogen content limits)

    Typical usage ratio

    • 2–12% molecular feed ratio in targeted coupling or condensation routes, optimized based on electronic bandgap and solubility profiles of the desired material

    Downstream process integration

    • Integrated at monomer synthesis or ring-functionalization stages for subsequent polymerization or thin film deposition processes

    Final product types

    • Small-molecule OLED emitters
    • Solution-processable organic semiconductors
    • Polymeric hole-transport and electron-transport layers
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    Certification & Compliance
    More Introduction

    Introducing 2,3-Difluorophenol: Proven Experience in Fluorochemical Development

    Hands-On Fluorination: How We Approach 2,3-Difluorophenol Production

    In our manufacturing plant, the process of crafting 2,3-difluorophenol reflects decades of hands-on expertise and a steady commitment to consistency. We rely on carefully balanced fluorination methods, designed not just to prioritize yield but also to minimize side-reactions and impurity retention. Over years of manufacturing aromatic fluorides, refining this phenolic derivative has become an essential part of our daily operations. Many clients require smaller, selectively fluorinated phenol building blocks to create pharmaceutical intermediates or agrochemical actives, and we have tuned our facilities to answer that precise need.

    Across each batch, we pay attention to raw material sourcing, especially because the quality of precursor chlorophenols shapes the purity and downstream conversion rates. In keeping with the best industry practice, we consistently monitor reaction progress—using analytical checks like GC-MS and NMR for both conversion and impurity tracking. This hands-on testing brings a sense of predictability our customers have come to rely on. The product, 2,3-difluorophenol, most often leaves our facility in the form of a pale liquid, and every drum passes a battery of finished-goods testing before departure.

    Different from Commodity Fluorophenols

    Unlike bulk mono-fluorophenol products, 2,3-difluorophenol holds distinct properties in terms of electron-withdrawing effects and the resulting reactivity on the phenol ring. The dual ortho-position fluorinations influence the acidity of the hydroxyl group in ways that single substitutions do not. Over the years, our customers in pharmaceutical API synthesis and crop protection intermediates have highlighted this difference time and again—pointing to unique selectivity when using this molecule in carbon-carbon coupling or nucleophilic aromatic substitution.

    From our own production floor, we have seen how selectivity plays out on a larger scale. Operators notice this in downstream derivatization steps; the reactivity of 2,3-difluorophenol facilitates more straightforward substitutions in positions otherwise blocked by mono- or tri-substituted fluorophenols. It’s not just a matter of cost or supply reliability. This profile often opens doors for research teams, whether investigating structure-activity relationships or scaling up new synthetic routes.

    Product Profile Honed by Years in Chemical Manufacturing

    Every liter of our 2,3-difluorophenol reflects persistent efforts to optimize reaction controls, waste stream management, and longtime supplier relationships. Our plant rarely faces interruptions, something we attribute to both raw material partnerships and a practical approach to batch tracking. Each operator receives training on both the hazards and specific analytical parameters that distinguish a high-quality aromatic fluorophenol. We run in-depth residual solvent checks and pay close attention to color, which serves as a quick indicator for over- or under-fluorinated material.

    The molecular formula for 2,3-difluorophenol is C6H4F2O, with a nominal molecular weight of 130.10 g/mol. The fluorines reside at adjacent positions on the aromatic ring, with the hydroxyl group in the third position. This arrangement influences both boiling point and solubility characteristics. Our laboratories have logged melting points in the mid-40s Celsius, and a boiling range that supports straightforward purification by fractional distillation under reduced pressure. Having dialed in these temperatures for scale-up allows us to maintain throughput and product homogeneity.

    Aromatics for Advanced Synthesis: Real-World Uses and Considerations

    Our technical conversations with pharmaceutical process chemists and agrochemical R&D teams shape the production priorities around 2,3-difluorophenol. Time and again, this molecule proves valuable for introducing tightly-defined fluorine patterns on more complex scaffolds. The electron-withdrawing influence of the fluorines governs site-selectivity in follow-up substitutions and protects key positions during late-stage synthesis. Over multiple campaigns, clients have shared case studies involving antibacterial, antifungal, and herbicidal agents, where precisely controlled fluorination plays a pivotal role in fine-tuning both potency and metabolic stability.

    This is a world removed from commodity phenols, which often lack the selective influence and are prone to unwanted side-reactions that complicate purification. Because our 2,3-difluorophenol maintains a reliable profile of trace impurities, customers rarely see issues in downstream hydrogenations or lithiation steps. Field feedback tells us that switching to our product from off-spec batches reduces surprise peaks in HPLC traces, simplifying registration filings for end products that require full impurity disclosures.

    Experience Drives Specification Choices

    Living through the daily grind of scale production, we have learned that not all assay numbers tell the full story. Early in our experience, a focus on GC purity alone led to missed issues in residual halogen content. We have since adopted more comprehensive purity assessments, running both NMR and Karl Fischer moisture testing to provide a multi-angle view of each batch. It is not about maximizing a single number—instead, it’s about targeting spec limits that hold up under real-world process conditions.

    By keeping active follow-up with our customers’ technical teams, we regularly adjust spec sheets where the balance between speed, purity, and stability intersects. Sometimes, a slightly higher water content suits immediate downstream conversion, while in other projects, a low-halide threshold is required to prevent catalyst fouling. We treat these concerns as working assumptions, feeding lessons both upstream and downstream in our production scheduling. This flexibility sets our plant apart in a marketplace crowded by undifferentiated product streams.

    Safety and Operator Know-How: Perspective from the Shop Floor

    Spending years handling aromatic fluorine compounds creates a healthy respect for both chemical hazards and value preservation. From our earliest days producing fluorinated phenolics, we established strict procedural control over venting, personal protection, and spill handling. Operators draw on direct experience—smelling the solvent blend, monitoring color shifts under light, judging the result by both test results and practical benchmarks. Seasonal humidity or temperature changes push us to monitor storage conditions carefully, keeping barrels sealed against both emission and deterioration.

    Unlike some highly volatile or more reactive aromatic fluorides, 2,3-difluorophenol remains fairly stable if handled according to well-established protocols. We store it under inert gases and prefer to ship in containers designed to resist both pressure change and trace water contamination. End-use chemists confirm that this consistency allows them to scale bench procedures confidently, knowing the product will behave batch after batch.

    Reliable Sourcing: Longstanding Experience with Supply Chain Fluctuations

    As a manufacturing plant, we see firsthand how market swings in bulk fluorine supplies and precursor phenols can disrupt availability and pricing. We tackle these risks by holding both safety stocks and a preferred-vendor approach, insulating clients from the brunt of global volatility. By keeping close tabs on both upstream logistics and downstream demand, we have avoided common bottle-necks that push delivery timelines beyond project windows.

    Some specialty chemical suppliers rely on stop-gap measures or act as traders who shuffle batches between plants, resulting in shifting specifications and traceability headaches. By contrast, our plant runs its own production campaigns, and we retain full batch records for compliance and regulatory confidence. Many of our partnerships stretch back more than a decade, built on this sense of reliability. No client wants to lose valuable time by recalibrating synthetic pathways due to a variable raw material input, so we make safeguarding continuity a non-negotiable part of our operations.

    Fact-Based Comparisons: Differences Beyond the Label

    2,3-difluorophenol, as produced in our facility, stands apart from analogues such as 2,4-difluorophenol or 3,5-difluorophenol. These alternatives may share similar formulae but show measurable shifts in chemical reactivity and toxicity profiles. We have worked with research teams who discovered mid-campaign that switching between these isomers required rebooting biological screens or adjusting process controls for separation and waste handling. Our technical group keeps a library of these findings, compiled across real-world pilot and scale-up runs.

    Other manufacturers sometimes focus on headline purity, missing details about minor isomer content or unreacted precursor traces that complicate end-use. We approach this challenge by running comparative impurity traces, overlaying results to ensure every batch falls inside the stringent limits agreed with our key customers. Many of our partners cite this attention to detail when explaining why they return to our product year after year.

    Ongoing Dialogue: Customer Feedback Shapes Quality

    Rather than relying solely on our own internal benchmarks, we gather constant feedback from end-users. Some of our most significant process improvements originated with on-the-ground recommendations from technical teams working in medicinal chemistry or crop science. These conversations led us to refine packaging to avoid condensation issues, tune distillation columns for sharper cut points, and add additional particle size screening where needed for automated dispensing systems.

    Daily operations at the plant reinforce the reality that quality control is never a static exercise. By updating procedures based on real-world synthesis feeds and reliability checks, we continue to refine our product to better fit complex, evolving process routes. Clients manufacturing high-value products count on this living approach to specification, rather than a one-size-fits-all number on a spec sheet attached to a generic drum.

    Environmental and Regulatory Trust Built on Experience

    Operating as a direct manufacturer, we answer directly to both environmental agencies and industry regulators. Every year, we complete audits, renew emission permits, and submit product stewardship reports that verify the safety and traceability of our supply. Our operators routinely handle waste streams containing fluorinated organics, treating them by tested incineration protocols to match or exceed local regulations. This practical approach prevents environmental mishaps and builds long-term trust both with regulators and community partners who share the industrial area.

    We update our hazard communication on the basis of global changes in chemical risk assessments. Our team actively engages with the evolving landscape of chemical registration, updating documentation and control measures to meet requirements under EU REACH and similar frameworks. Experience has taught us the importance of early transparency, so downstream users have the data and technical support needed for smooth new product registrations.

    Logistics That Respect the End-User’s Timeline

    Shipping hazardous raw materials like 2,3-difluorophenol means expecting the unexpected. Over years of production, we have invested both in reliable on-site storage and trusted logistics partners, ensuring rapid dispatch of finished goods. During peak demand or unexpected supply chain disruptions, we keep clients fully informed—providing realistic timelines, batch-specific documentation, and regulatory certificates as soon as shipments leave our facility.

    We avoid overpromising availability, focusing on honest communication about lead times and actual supply conditions. Many of our longstanding customers consider this proactive approach a key differentiator, as they plan project timelines and order quantities based on actual, rather than idealized, delivery patterns. We take every feedback seriously, updating our scheduling and workflow to ensure minimal disruption in customer labs and production lines.

    Moving Forward with Collaborative, Evidence-Based Manufacturing

    As both a producer and technical partner, we remain engaged with ongoing research into phenolic fluorination, aiming to expand both our scale and our understanding of application-specific needs. Our plant team follows published literature and participates in trade forums, learning from advances across global chemical manufacturing. Actual feedback from daily production runs—both successful and unexpected—feeds back into our approach to quality management and process safety.

    We recognize the difference between a commodity supplier and a real manufacturing partner lies in the daily practice of listening, adjusting, and improving. For 2,3-difluorophenol, those lessons shape everything, from raw material approval to the way we layout storage areas for optimal handling. By keeping channels open for active dialogue with customers and investing in process improvement, we offer both the reliability and technical depth needed for advanced synthesis projects that rely on this specialized aromatic intermediate.

    The Evolving Role of 2,3-Difluorophenol in Chemical Synthesis

    As new regulatory requirements and green chemistry principles reshape the chemical manufacturing landscape, we see a rising demand for tailored building blocks like 2,3-difluorophenol. Researchers continue to discover advantages of selective fluorination—not just for biological performance, but also for process efficiency, purification, and waste minimization. Our plant keeps pace with these changes by investing in improved environmental controls, legacy batch reporting, and systematic product qualification in collaboration with customer technical teams.

    Continuous improvement is more than a buzzword for our production staff. Each time a specification changes or a client brings in a new synthetic route, we test, validate, and optimize our approach. The hands-on experience, not just theory or abstract promises, ensures that every drum and every sample reflects real-world knowledge and a genuine drive to meet evolving chemical needs. For teams working at the cutting edge of pharmaceutical, crop protection, or advanced material research, our 2,3-difluorophenol offers the certainty, track record, and collaborative support that comes only from a direct chemical manufacturer.