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2,6-Dichloro-3-Fluorobenzoic Acid

    • Product Name 2,6-Dichloro-3-Fluorobenzoic Acid
    • Alias 2,6-Dichloro-3-fluorobenzoic acid
    • Einecs 221-863-4
    • 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

    467620

    Product Name 2,6-Dichloro-3-Fluorobenzoic Acid
    Cas Number 766-35-4
    Molecular Formula C7H3Cl2FO2
    Molecular Weight 209.01 g/mol
    Appearance White to off-white solid
    Melting Point 160-164°C
    Purity Typically ≥98%
    Solubility Slightly soluble in water; soluble in organic solvents
    Density 1.61 g/cm³ (approximate)
    Smiles C1=C(C(=CC=C1Cl)Cl)C(=O)O
    Inchi InChI=1S/C7H3Cl2FO2/c8-4-1-3(7(11)12)2-5(9)6(4)10
    Synonyms 2,6-Dichloro-3-fluorobenzoic acid
    Storage Conditions Store at room temperature, tightly closed
    Pka Approx. 2.8

    As an accredited 2,6-Dichloro-3-Fluorobenzoic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle containing 25 grams of 2,6-Dichloro-3-Fluorobenzoic Acid, sealed, with hazard and product identification labels.
    Shipping 2,6-Dichloro-3-Fluorobenzoic Acid is shipped in tightly-sealed, chemical-resistant containers, compliant with relevant safety regulations. Packaging prevents moisture, light, and contamination. Transport is conducted under appropriate temperature conditions and labeled with hazard information. Safety Data Sheets and regulatory documentation accompany shipments to ensure safe, efficient, and compliant delivery.
    Storage 2,6-Dichloro-3-Fluorobenzoic Acid should be stored in a tightly closed container, in a cool, dry, well-ventilated area away from incompatible substances such as strong oxidizers and bases. Protect it from moisture and direct sunlight. Store at room temperature and avoid extremes of heat. Ensure appropriate chemical labeling and keep out of reach of untrained personnel.
    Application of 2,6-Dichloro-3-Fluorobenzoic Acid

    Applications of 2,6-Dichloro-3-Fluorobenzoic Acid in Industrial Manufacturing

    As the direct manufacturer of 2,6-Dichloro-3-Fluorobenzoic Acid, we support advanced industrial segments through precision formulation and reliable bulk supply. Below are key downstream applications where this material acts as a strategic building block or processing intermediate, with a focus on accurate process integration, regulatory requirements, usage ratios, and the specific end products realized by our global industrial partners.

    1. Agrochemical Intermediate – Synthesis of Herbicides

    Producers in the crop protection sector incorporate 2,6-Dichloro-3-Fluorobenzoic Acid as an essential intermediate for manufacturing selective herbicide active ingredients. The compound participates in multi-step synthesis, especially via acylation or nucleophilic substitution, to construct high-value fluorinated herbicide scaffolds. Downstream partners consistently demand tight specification control for multi-ton batch processing to meet both efficacy and environmental compliance.

    Industry compliance standards

    • Regulation (EC) No 1107/2009 for plant protection products (European Union)
    • EPA 40 CFR Part 180 – Tolerances (United States)
    • ISO 9001–based Quality Management Systems for chemical synthesis
    • REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals)

    Typical usage ratio

    • 10–30% w/w as an intermediate, depending on target molecule structures and yield optimization during coupling or cyclization steps

    Downstream process integration

    • Charged at Stage 1 or 2 of the synthesis, after purification and quality validation, often followed by halogen-exchange or esterification based on the intended active ingredient

    Final product types

    • Fluorinated phenoxy herbicides
    • Aromatic carboxylic acid herbicides
    • Specialty pre-emergent weed control compounds

    2. Pharmaceutical Intermediate – API Precursor for Anti-Inflammatory Drugs

    Active pharmaceutical ingredient (API) manufacturers apply our material as a precursor in the synthesis of advanced anti-inflammatory compounds, relying on its specific halogenated aromatic structure for targeted activity. Critical steps include activation or condensation reactions, under GMP-compliant conditions. The material’s high purity underpins synthesis controls for both pilot and large-scale production of API bulk intermediates.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • USP–NF monographs (relevant for final APIs)
    • 21 CFR 210/211 – cGMP (United States)
    • EDQM (European Directorate for the Quality of Medicines) requirements for starting materials

    Typical usage ratio

    • 5–18% w/w in the precursor step of multi-stage synthesis, adjusted by carboxyl group reactivity and stepwise conversion yield

    Downstream process integration

    • Added at the early or mid-stage condensation, typically after solvent exchange and in the presence of activating agents or protective groups, followed by hydrolysis and purification

    Final product types

    • Key intermediates for anti-inflammatory APIs (e.g., selective COX-2 inhibitors)
    • Specialty non-steroidal anti-inflammatory drug (NSAID) ingredients
    • Research compounds for further medicinal chemistry optimization

    3. Specialty Polymer Manufacturing – Modified Polyester and Polyamide Precursors

    Polymer industry formulators select 2,6-Dichloro-3-Fluorobenzoic Acid for incorporation into specialty high-performance polymer chains, imparting halogenation and aromatic stability. The acid reacts in controlled esterification with diols or amidation with diamines. Industrial users implement strict post-reaction purification, as trace impurities can affect polymerization kinetics and final material performance.

    Industry compliance standards

    • ISO 14001 for environmental management in chemical processing
    • RoHS Directive (when downstream applications include electronics and electrical products)
    • Customer-specific analytical purity specifications (HPLC, GC-MS validation)
    • EU REACH registration for supply into European market

    Typical usage ratio

    • 2–12 mol% as comonomer or functionalized block, based on property modification target (thermal, chemical resistance, hydrophobicity)

    Downstream process integration

    • Added during the initial polymerization step, typically under inert atmosphere and elevated temperature, with batch or continuous process options depending on polymer grade

    Final product types

    • High-performance polyesters (used in specialty engineering plastics)
    • Modified polyamides for chemical process equipment and automotive applications
    • Custom copolymers for specialty membranes and coatings

    4. Electronic Chemicals – Precursor for Liquid Crystal Compounds

    Manufacturers of advanced display materials utilize this compound as a starting aromatic acid for synthesizing liquid crystal intermediates. The electron-withdrawing halogen groups facilitate subsequent derivatization, essential for fine-tuning electro-optical properties. Processors demand batch-to-batch consistency in melting point and impurity profile, given the strict requirements of downstream LCD panel and specialty display sectors.

    Industry compliance standards

    • IEC 61249-2-21 for halogen-free electronic chemicals
    • JEITA ED-7305 for LCD materials quality
    • SONY Green Partner environmental specifications
    • ISO 9001:2015 for chemical manufacturers (documented process controls)

    Typical usage ratio

    • 6–15% w/w as an intermediate raw material, the ratio tailored according to specific LC molecular structure and desired mesophase properties

    Downstream process integration

    • Introduced after initial halogen exchange and esterification/etherification reaction, before condensation with additional aromatic units to assemble the liquid crystal backbone

    Final product types

    • Biphenyl-based liquid crystal monomers
    • High stability LC aligners for TFT and OLED displays
    • Advanced LCD and display chemicals

    5. Fine Chemical Synthesis – Building Block for Specialty Chemical Reagents

    Producers of advanced fine chemicals employ this fluorinated acid as a critical aromatic building block for constructing specialty reagents and research intermediates. The compound participates in selective halogen metal exchange, Suzuki or Buchwald–Hartwig coupling, or other aromatic substitution reactions under tightly controlled conditions. End-users require detailed analytical documentation and impurity profiling for high-purity, research, or pilot-scale outputs.

    Industry compliance standards

    • ISO 17025 accredited laboratory methods for quality testing
    • Customer-specific Certificate of Analysis (COA) requirements (≥99% GC/HPLC purity)
    • Globally Harmonized System (GHS) labeling and hazard communication for laboratory chemicals
    • OSHA 29 CFR 1910.1200 – Hazard communication (United States workplace chemical handling)

    Typical usage ratio

    • Variable, often 0.5–8 mmol in R&D applications; typically 5–25% w/w for scale-up of targeted reagent compounds, adjusted for functional group transformations

    Downstream process integration

    • Charged at the initial or intermediate reaction stage, under inert or controlled atmospheres; reactions may include halogen exchange, catalytic cross-coupling, or direct amidation for further value addition

    Final product types

    • Fluorinated benzamide laboratory reagents
    • Specialty aromatic intermediates for pigment and dye development
    • Custom synthesis molecules for contract research organizations (CROs) and chemical developers
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    Certification & Compliance
    More Introduction

    2,6-Dichloro-3-Fluorobenzoic Acid: Advancing Precision in Chemical Synthesis

    Crafting 2,6-Dichloro-3-Fluorobenzoic Acid—Experience from the Factory Floor

    In the chemical manufacturing industry, a product’s value emerges not just from purity and yield, but from consistency and the know-how required to produce it batch after batch. Over the decades, as we have refined the process for making 2,6-Dichloro-3-Fluorobenzoic Acid, the demand for accuracy has only grown. This compound stands as more than a building block—it underpins many of the custom molecules that move modern pharmaceuticals, crop sciences, and specialty materials forward.

    The structure of 2,6-Dichloro-3-Fluorobenzoic Acid, bearing both fluorine and chlorine atoms, provides unique reactivity without complicating downstream synthetic steps. Chemists appreciate its positionally selective halogens, which allow for targeted substitution and coupling. Over years at our manufacturing plant, we've learned to focus on controlling each synthesis stage, especially during halogenation and purification, since trace impurities—even minor regioisomer formation—can jeopardize an entire synthesis campaign.

    Why This Acid Stands Out in the Lab and at Scale

    Our direct involvement in scaling up 2,6-Dichloro-3-Fluorobenzoic Acid illustrates how it behaves differently compared to close relatives like mono-chlorinated or non-fluorinated benzoic acids. The molecular configuration means that during synthesis, even slight temperature or pH shifts influence selectivity and impurity profiles. Years spent troubleshooting these production nuances have pushed us to equip our site with advanced controls—tight reaction temperature regulation, stepwise reagent feed, and continuous analytical checks with HPLC and GC.

    The specifications achieved through this persistent tuning go well beyond purity numbers. Consistently high yields, controlled particle size, and retained halogen placement result in a powder ready for downstream use in nearly any advanced organic chemistry route. Chemists setting up Suzuki couplings or planning amide bond formations rely on these minor yet fundamental distinctions. Compound failures often trace back to impurities or inconsistent feedstock, rather than the complexity of downstream steps.

    Meeting Pharmaceuticals’ and Agrochemicals’ Stringent Expectations

    As manufacturers, we engage directly with research partners—this open dialogue allows us to adjust our quality standards and documentation for 2,6-Dichloro-3-Fluorobenzoic Acid as regulations change. Big pharma clients often request traceability to the lot, chain-of-custody documentation, and granular impurity mapping. We find that by starting with these demands rather than retrofitting compliance, our lot-release process always covers the needs of end-users from both pharmaceuticals and agrochemicals.

    One recent experience involved a global firm needing particularly tight limits on heavy metals and halide content. They brought their analytical team to our facility and examined a full production run before committing. Dozens of samples later, they identified trace residuals not captured by standard QC. We iterated—adjusting process water filtration and switching to a novel drying method. This kind of collaborative troubleshooting doesn’t just win business; it helps us set new benchmarks in real-world purity.

    Similar scrutiny arises for agrochemical clients—herbicides, fungicides, and other crop protection molecules built on halogenated benzoic acids must comply with evolving international standards. Off-target residues, environmental persistence, and regulatory trends all prompt new questions each year. Our team stays ahead by monitoring guidance from regulatory bodies, adapting solvent choices, and investing in onsite environmental controls.

    Looking Deeper Into Model, Specifications, and Usage

    As we’ve grown alongside client needs, the typical models of our 2,6-Dichloro-3-Fluorobenzoic Acid now reflect market realities and end-use requirements. Chemists and procurement officers request specific information: melting point, water content, UV-Vis absorbance, and residual solvents. We commit to batch-level documentation on these points. Older models, designed with less stringent standards, sometimes fall short under current scrutiny. Our latest product lines exceed 99.0% purity (by HPLC), maintain colorless or faintly off-white appearance, and ensure heavy metals below regulatory thresholds.

    In practice, this means manufacturers formulating active pharmaceutical ingredients (APIs) or intermediates can avoid delays linked to purity failures or unpredictable melting ranges. For researchers, cleaner starting materials cut repeated trial runs from the campaign timeline. Mistakes in this domain often do not present as dramatic failures but as slowdowns—yields a few points lower, scattering in the melting point, or batches that fail to pack cleanly into reactors.

    Among the most frequent application requests, we see aromatization steps, halogen exchange reactions, and precursor formation for fluorinated or chlorinated aromatic systems. Small differences—like trace isomer content or solvent residues—change yields in palladium-catalyzed cross-couplings or nucleophilic aromatic substitutions. We sample and analyze every batch, capturing not just the major peaks but the tails, “ghost” peaks that often indicate lurking issues. Over time, these practices pull defect rates down and push reliability up.

    Comparing to Other Benzoic Acid Derivatives

    Some close relatives—such as 2,6-Dichlorobenzoic Acid or 3-Fluorobenzoic Acid—play roles in synthesis, but their reactivity and selectivity differ in meaningful ways. The dual halogenation of 2,6-Dichloro-3-Fluorobenzoic Acid blocks ortho-positions, channeling downstream reactions to specific sites. This feature limits side products and improves predictability in multi-step syntheses. In contrast, mono-halogenated products may lead to undesired isomer formation, complicating separation and increasing waste.

    Working day to day with a dozen variants of halogenated benzoic acids makes these differences palpable. When a batch intended for coupling has even a slightly higher ortho-impurity or traces of another regioisomer, post-synthesis chromatograms tell the tale. Correcting at this stage costs time, solvents, and raw material. By controlling these factors at the manufacturing site, we keep the whole downstream process cleaner. This is not just laboratory best practice—it shapes how entire API and agrochemical supply chains can respond to new challenges.

    Client Feedback and On-the-Ground Adjustments

    Our client tech meetings rarely focus on the raw specs alone. Instead, chemists bring real problems—unexpected by-products, color formation, sluggish reactivity. From pharma to fine chemicals, we gather direct feedback and push these points back into our quality control and process refinement. This feedback loop fine-tunes each lot’s profile, catching patterns too subtle for abstract specification lists.

    One example involved a customer seeing faint yellowing, indicating trace oxidation by-products. They wanted lower instability markers before moving to kilo lab scale. We needed to overhaul an entire process step—tighter blanketing, inert gas upgrades, and a redesign of the filtration system. These fixes are resource intensive, but they pay off. The customer’s subsequent scale-up went without incident, reflecting how on-site choices ripple into labs and factories around the globe.

    Supporting Research, Innovation, and Market Trends

    The past decade brought complex combinations of regulation, intellectual property concerns, and the need for ever-more flexible intermediates. The push for “greener” synthesis and safer, more transparent supply chains influences how we source raw materials and treat waste. We explored and implemented alternate chlorinating agents, greener solvents, and closed-loop recycling for wash solutions. Our relationships with academic partners and major clients reinforce the need for broader vision—faster route scouting, honest reporting of manufacturing footprints, and willingness to experiment with new production technologies.

    When global events scramble supply chains or new competitors undercut market prices, our strength comes from collaboration and transparency, not just scale. We publish impurity profiles, share near-miss documentation, and invite audits. Over 20 years in halogenated aromatics manufacturing, trust comes from delivering repeatable results and supporting partners’ innovation agendas—not just filling an order, but contributing to market breakthroughs.

    Innovation in Manufacturing Methods

    Traditional batch processes had limits both on scale and reproducibility for 2,6-Dichloro-3-Fluorobenzoic Acid. As demand for ultra-pure and tailored intermediates rose, we invested heavily in semi-continuous synthesis and computer-monitored controls. With these systems, the entire process runs under real-time monitoring for reaction endpoints, temperature, and impurity build-up. Upgrades in our crystallization and drying steps dramatically reduced solvent inclusion and improved product flow for automated handling.

    This infrastructure lowers batch-to-batch variability, shrinks waste, and lets us spin up custom syntheses with less risk. As market needs shift toward shorter development cycles, smaller lot sizes, and flexible documentation, we continuously revise both technology and in-house training. Every operator at our plant, from synthesis chemists to QC technicians, has a stake in these improvements, understanding that small lapses at any single point can impact the entire product chain.

    Regulatory and Safety Considerations

    As direct manufacturers, we've experienced firsthand how fast rules and safety expectations move. Halogenated aromatic acids, especially those involving multiple halogens like 2,6-Dichloro-3-Fluorobenzoic Acid, fall under restrictions for handling, environmental release, and transport. Investing early in worker safety training, air emissions controls, spill mitigation, and waste treatment infrastructure allows us to meet or exceed not just local, but international guidelines. Our internal audits run as detailed as any formal compliance check—regular plant walkthroughs, process deviation reporting, and scenario simulations.

    In the rare event of a process upset or deviation, immediate containment and root cause investigation follow. We learned long ago that quick acceptance and documentation of process errors build resilience into the system. Our internal safety culture means that no operator hesitates to halt a run if anything’s amiss, be it a pressure spike or off-color discharge. Client confidence grows from this uncompromising approach, as third-party audits almost always confirm what our teams track. To us, sustainable manufacturing isn’t just a buzzword—it’s the day-to-day discipline that defines responsible supply.

    Global Impact and Supply Chain Resilience

    Global demand for halogenated benzoic acids will continue to grow, driven by rising pharmaceutical and crop protection needs, but also by regulatory constraints and client-specific requirements. As manufacturers, we have faced disruptions ranging from raw material shortages to logistics bottlenecks. Instead of leaning on just-in-time supply or speculative stockpiling, we’ve prioritized robust relationships with primary suppliers—traceability, multi-source raw material qualifications, and real-time supply monitoring.

    Adaptations to global shifts—trade policy changes, environmental bans, or new client standards—find us ready. Having in-house technical expertise, coupled with the experience from dozens of real-world scale-ups, allows flexible adjustment to everything from solvent switches to equipment redeployment. Route optimization isn’t an academic exercise for us; it’s the outcome of ongoing pressure to deliver on time, in-spec, and with full documentation.

    Exploring the Future: Innovation and Excellence in Halogenated Aromatics

    Modern chemical manufacturing, especially for advanced intermediates like 2,6-Dichloro-3-Fluorobenzoic Acid, calls for more than routine repetition. We keep pace with research by investing in analytical infrastructure—LC-MS, NMR, and FTIR with process interfaces—so our teams solve problems before they escape the factory. Collaborations with end-users and partners make our process less about delivering a specific order, more about growing cumulative, ground-level knowledge across sectors.

    Years ago, benzoic acid derivatives were commodities. With the specialization rising from new biological targets and advanced materials, every subtle improvement now translates to market benefit. We see a future where “standard” grades fade, replaced by partnership-built specifications, dynamic QMS, and mutual trust. Chemistry may chart the mechanism, but manufacturing delivers the reality—one molecule, one process, one lot at a time.

    Commitment: From Raw Material to Final Delivery

    Every kilogram of 2,6-Dichloro-3-Fluorobenzoic Acid that leaves our plant carries the history of our process improvements, real setbacks, and daily choices made at operational scale. Our reputation as a direct manufacturer comes not from marketing but from long-term relationships earned on the basis of consistency, openness, and technical depth. Each client inquiry or complaint becomes a driver for new investigation, each successful delivery a marker that our methods work.

    As regulatory and market landscapes evolve, our fundamental approach holds: listen to the user, invest in site capability, and never cut corners. The end users—whether they work in biopharma labs, crop science research facilities, or specialty polymer pilot plants—trust that knowledge gleaned on our factory floor will support their own innovations. This shared trust is, and remains, the real substance behind every shipment we send.