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2,3,5,6-Tetrafluorobenzoic Acid

    • Product Name 2,3,5,6-Tetrafluorobenzoic Acid
    • Alias 2,3,5,6-Tetrafluorobenzoic acid
    • Einecs 207-482-5
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry sales7@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    274118

    Product Name 2,3,5,6-Tetrafluorobenzoic Acid
    Cas Number 345-15-7
    Molecular Formula C7HF4O2
    Molecular Weight 194.08
    Appearance White to off-white solid
    Melting Point 163-166°C
    Solubility In Water Slightly soluble
    Density 1.69 g/cm3 (estimated)
    Purity Typically ≥98%
    Smiles C1=C(C=C(C(=C1F)F)C(=O)O)F
    Inchi InChI=1S/C7HF4O2/c8-3-1-2(7(12)13)4(9)6(11)5(3)10/h1H,(H,12,13)
    Storage Conditions Store at room temperature, tightly sealed
    Synonyms 2,3,5,6-Tetrafluorobenzoic acid; Benzoic acid, 2,3,5,6-tetrafluoro-

    As an accredited 2,3,5,6-Tetrafluorobenzoic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A 25g amber glass bottle with a white screw cap, labeled "2,3,5,6-Tetrafluorobenzoic Acid, 98%," includes hazard and handling information.
    Shipping 2,3,5,6-Tetrafluorobenzoic Acid is shipped in tightly sealed containers to prevent moisture ingress and contamination. It is typically packed in glass or high-density polyethylene (HDPE) bottles, cushioned for safe transit. The package is labeled and accompanied by a safety data sheet, conforming to relevant chemical shipping regulations.
    Storage 2,3,5,6-Tetrafluorobenzoic acid should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as strong bases and oxidizers. Protect from moisture and direct sunlight. Store at room temperature and avoid excessive heat to prevent decomposition. Always label the container clearly and handle following all standard chemical safety protocols.
    Application of 2,3,5,6-Tetrafluorobenzoic Acid

    Applications of 2,3,5,6-Tetrafluorobenzoic Acid in Industrial Manufacturing

    2,3,5,6-Tetrafluorobenzoic Acid finds distinct utility within several high-value industrial manufacturing segments. As a manufacturer, we supply this compound to downstream producers who demand strict consistency, high purity, and defined performance attributes in their advanced material and specialty chemical operations.

    1. Fluorinated Agrochemical Intermediate Production

    This acid serves as a key building block in the synthesis of advanced fluorinated agrochemicals, particularly for selective herbicides and fungicides requiring robust aromatic fluorination. Producers in this segment incorporate it during multi-step synthesis to introduce controlled fluorine substitution on their target molecules, enhancing bioactivity and environmental stability per agricultural technology demands. High purity supports strict impurity control through all process stages to meet national and regional pesticide registration and residue standards.

    Industry compliance standards

    • ISO 9001:2015 quality management systems
    • FIFRA (US Federal Insecticide, Fungicide, and Rodenticide Act) registration requirements
    • EU Regulation (EC) No 1107/2009 for plant protection products
    • China National Standards GB/T 1601 series for pesticide intermediates

    Typical usage ratio

    • Ranges from 0.15 to 0.60 molar equivalents relative to main reactant, subject to target molecule framework and required substitution pattern

    Downstream process integration

    • Introduced in the aromatic fluorination phase, typically via direct coupling or condensation reaction, following initial core structure assembly
    • Final purification step included to remove unreacted acid and by-products

    Final product types

    • Fluorinated phenoxy herbicides
    • Fungicidal benzoic acid derivatives
    • Pre-cursor intermediates for insecticide R&D

    2. Specialty Pharmaceutical Intermediate Synthesis

    Within pharmaceutical manufacturing, this compound acts as a fluorinated aromatic intermediate for advanced small molecule drug synthesis, especially for molecules that require enhanced metabolic stability and bioavailability. Process engineers utilize the acid typically within aromatic coupling or as a precursor for creating fluorinated heterocycles, following strict GMP documentation and traceability requirements in regulated markets such as the US, Japan, and EU.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP/NF (United States Pharmacopeia) monographs for intermediates
    • EU EMA EudraLex Volume 4 GMP Guidance
    • Japan PMDA quality standards for pharmaceutical raw materials

    Typical usage ratio

    • Typically 0.10 to 0.25 molar equivalents per step, depending on the targeted heterocyclic framework and downstream substitution needs

    Downstream process integration

    • Integrated in the aromatic substitution or Suzuki coupling phase as part of core scaffold assembly
    • Followed by controlled crystallization and phase purification steps

    Final product types

    • Fluorinated anti-inflammatory drug intermediates
    • Targeted oncology drug scaffolds
    • Neuroactive fluorinated benzene derivatives

    3. Advanced Electronic and Semiconductor Chemicals Manufacturing

    This acid is employed as a precursor for synthesizing high-purity fluorinated materials needed in the electronics industry, specifically for photoresist additives and dielectric materials. Sector users focus on batch-to-batch consistency, tight metal impurity control, and particle-free supply, as these factors influence line widths and surface integrity for microfabrication. Integration centers on custom purification and encapsulation methodologies to meet wafer fab supplier specifications.

    Industry compliance standards

    • IATF 16949:2016 for automotive electronics quality systems
    • SEMI C91 chemistry purity guidelines
    • RoHS (Restriction of Hazardous Substances) & REACH compliance for downstream use
    • QS-9000 documentation practices

    Typical usage ratio

    • 0.05–0.18 weight ratio in additive formulations, based on target photoresist performance and dielectric property requirements

    Downstream process integration

    • Dosed during the additive blending phase, prior to final solution filtration and micro-packaging
    • Requires ultra-high purity supply chain control

    Final product types

    • Photoresist stabilizer additives
    • Fluorinated dielectric films
    • Semiconductor-grade cleaning fluids

    4. High-Performance Polymer Synthesis

    Polymer and specialty resin producers utilize this compound as a co-monomer or chain-modifying segment during polycondensation or polyaddition, aiming to improve thermal stability and chemical inertness in engineering plastics. Rigorous lot QC, controlled particle sizing, and precise melting point monitoring are vital due to the direct impact on molecular weight distribution and polymerization endpoint. Main integration begins at the monomer blend stage, followed by controlled heating and post-polymerization purification to assure resin clarity and performance longevity.

    Industry compliance standards

    • ISO 14001:2015 Environmental Management for polymer production
    • UL 94 flammability standards for finished plastics
    • ASTM D5207 polymer quality benchmarks
    • REACH Annex XVII for restricted substances

    Typical usage ratio

    • Up to 7 mole% of total monomer content, adjusted for target molecular weight and glass transition temperature

    Downstream process integration

    • Incorporated at the initial monomer mix stage as a functionalized acid component
    • Post-reactor admixture followed by resin granulation for thermoplastic or thermosetting end use

    Final product types

    • Fluorinated engineering plastics (e.g., specialty PEEK blends)
    • Fluorinated epoxy resins
    • Low-friction specialty polymers

    5. Liquid Crystal Material Synthesis

    Producers in the liquid crystal sector deploy this acid as an aromatic fluorinated synthon for high-purity LC material precursors. Accurate dosing and solvent compatibility adjustments are mandatory, since downstream manufacturers demand phase behavior reproducibility and spectral purity for their applications in advanced display and sensor technologies. Integration steps focus on solution-phase synthesis and column purification, employing this material in the core structure formation for specialty liquid crystal hosts and dopants.

    Industry compliance standards

    • JEITA-EM-3601B testing methods for liquid crystal materials
    • ISO 9001:2015 for chemical and material QC
    • RoHS and REACH for finished electronic assemblies
    • Customer-specific spectral and phase transition certifications

    Typical usage ratio

    • From 0.08 to 0.20 molar equivalents, tailored to the design of target LC core or side chain structure

    Downstream process integration

    • Added in main aromatic coupling stage, with precise stoichiometry to control phase transition properties
    • Final step purification via preparative chromatography or high-vacuum distillation

    Final product types

    • Liquid crystal core intermediates
    • LC dopant materials for TFT and OLED displays
    • Specialty LC compounds for instrumentation
    Free Quote

    Competitive 2,3,5,6-Tetrafluorobenzoic Acid prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Understanding 2,3,5,6-Tetrafluorobenzoic Acid: Insight from the Manufacturer’s Bench

    Purposeful Synthesis and What Sets It Apart

    At our chemical manufacturing plant, the daily schedule revolves around precision, safety, and staying ahead of regulatory frameworks. In the lab halls and production lines, one compound that consistently draws attention is 2,3,5,6-Tetrafluorobenzoic Acid. Years of hands-on experience refining processes have given this molecule a trusted place on our catalog and in the hands of end-users.

    2,3,5,6-Tetrafluorobenzoic Acid does not simply echo the functions of standard benzoic acids. By introducing four fluorine atoms on the aromatic ring, reactivity and chemical properties shift, giving the compound new value. This difference—coming straight from the core of molecular structure—plays a major role for those working on active pharmaceutical ingredients, specialty polymers, and advanced agrochemical research. Over our years scaling-up from grams to metric tons, the challenge remained in keeping impurities controlled during multiple halogenation and carboxylation steps. Consistent process adjustment and iterative purification built our confidence in delivering a product with sharp batch-to-batch reliability.

    Distinguishing Technical Features

    No two fluorinated aromatics perform equally, even within the same chemical family. Our model of 2,3,5,6-Tetrafluorobenzoic Acid places a particularly high importance on isomeric purity. Sample lots undergo repeated fluorination cycles, closely monitored by real-time NMR and GC-MS analysis. This discipline reduces contamination with partially-fluorinated byproducts, which can trip up downstream reactivity or skew analytical outcomes for pharmaceutical clients gathering regulatory data. Users count on an acid content that matches precise tolerance, confirmed against in-house-developed fluorine calibration standards.

    The substance’s apparent whiteness stands out among polyfluorinated benzoic acids, indicating both high purity and absence of non-volatile residue. Experience on the filling floor has shown that moisture content requires strict control during both drying and packing—trace humidity influences both shelf life and solubility in key research applications. Members of our QA team pioneered checks for fluoride ion contamination and pH drift, two parameters often underregulated in off-shore alternatives.

    Bringing Industry Experience to Everyday Practice

    Years of direct batch synthesis—and troubleshooting—have led us to a practice where specifications arise from more than reproducing textbook purity figures. The context of each user’s application brings focus to our process. Pharmaceutical groups often request supporting chromatograms, while advanced materials labs are mostly interested in reproducibility for coatings and cross-linking reactions. Our close contact with a network of formulators tells us that unwanted halogen exchange remains the chief concern in scale-up, so our technical support gives real-time advice for storage and blending protocols—picked up from dealing with hundreds of tons’ worth of product. No amount of standard product literature compares to hands-on methods exchanged between chemists and operators.

    We have witnessed the way that slight residuals of lower-fluorinated or non-fluorinated analogs can sabotage a new project, multiply the cost, or lead to failed analytical registration. The answer does not lie only in specifying a number but in integrating process controls throughout the line—from the first delivery of fluorinating agents to final dry compaction before packing. Our workers have led initiatives to keep cross-contamination off the books, including isolated equipment trains for production runs destined for regulated markets. This commitment to traceability—recording everything from ambient conditions to operator names—speeds up root-cause analysis and performance auditing.

    Comparing Against Alternate Products

    Regular conversations with R&D staff reveal that 2,3,5,6-Tetrafluorobenzoic Acid is not simply chosen for its theoretical structural advantages. For years, laboratories attempted substitutions with tetrafluoroisophthalic acid or lower-fluorinated variants, only to find hidden costs in low reactivity or unexpected byproduct formation. Four-point ring fluorination delivers electronic effects that can be tracked all the way from increased oxidative resistance to refined selectivity in palladium-catalyzed couplings.

    We have run direct side-by-side application tests, supplying both our acid and other members of the tetrafluorinated benzoic acid family to resin synthesis partners. Their feedback pointed to easier processing and less byproduct formation around our product, particularly in high-temperature melt reactions. This reduction in waste might not catch the eye in academic benchmarking, but it becomes vital for manufacturing at multi-tonne scale. Opting for a high-fluorine count molecule, as opposed to mixtures or non-isomeric alternatives, gives sharper, more predictable results as seen in precision fluoropolymers or fluorinated intermediates.

    Practical Uses and Unique Advantages

    After years of feedback from diverse users, there’s a clear pattern for where this compound earns its keep. For pharmaceutical chemists, the molecule often joins core routes to produce fluorinated drug candidates. Its ring can act as a stable intermediate, tolerating both reducing and oxidizing conditions, extending the possibilities for aggressive reaction sequences. Researchers engineering surface coatings value the presence of four electron-withdrawing fluorines, which enhance not only chemical resilience but also facilitate further functionalization.

    Agricultural innovation labs have found this acid effective in creating improved active molecules resistant to metabolic breakdown, allowing for targeted synthesis that lasts longer under physiological conditions. Colleagues involved in electronics and optoelectronic component development have cited the utility of this acid in delivering clean polymer precursors, free from color-biasing impurities. This level of positive feedback tells us that producing a clean, reliable acid gives customers confidence in complex downstream processes, not just on paper, but in the actual yields and properties they realize.

    The dry, free-flowing nature of our product makes lab and pilot-plant handling straightforward and reduces spill risks. Long gone are the years of clumpy batches and ruined reaction runs that used to haunt early users of this specialty acid. Strict environmental monitoring on our shop floor, including ongoing upgrades to cleanroom airflow and anti-corrosion lining in the packaging room, comes directly from lessons learned about stability and safe handling in the final stages before shipment.

    From Lot Release to Lab Bench—Ensuring Reliable Performance

    Practical reliability for our customers does not come about by accident. Over the years, repeated feedback from the field has taught us to avoid small mistakes that compound into big frustrations, like ambiguous labeling or unexpected changes in physical form. That is why all product is locked to well-documented release protocols. Each lot ships with clear batch analysis, along with recent ICP-OES and HPLC data for trace impurities. Regulatory documentation and safety details do not just tick off compliance boxes—they support end-users who move our acid into tightly controlled supply chains.

    The route from pilot lab to plant scale brought many lessons. At low volumes, differences in reactor surface, agitation speed, and quenching methods seemed trivial. Scaling to tonnage, our operators drew up a revised training manual, highlighting stagewise pH monitoring and back-titration to confirm acid recovery. Over time, these incremental improvements reduced batch-to-batch drift and led to a product that users trust, regardless of the size or frequency of delivery.

    Meeting Environmental and Regulatory Demands

    Modern production facilities face ever-stricter regulatory and environmental mandates. We remain vigilant in limiting volatile organic emissions and controlling fluorinated byproduct discharge. We’ve invested in on-site effluent treatment that captures and neutralizes problematic residues, keeping environmental impact well below national thresholds. Beyond compliance, this reduces the risk of downstream contamination—something both our customers and communities value. Auditors and compliance inspectors visit regularly, offering both challenge and independent feedback that pushes our process to higher standards.

    Customers from the pharmaceutical and agricultural sectors count on sourcing clean, compliant raw materials. Our record of meeting standards—built on ten years of process audits, customer feedback, and non-conformance tracking—shows what it takes to adapt and stay ahead of shifting rules. Finished lots destined for pharmaceutical synthesis undergo extra scrutiny, with double-seal drum liners and full traceability reports extending right back to incoming raw material batches.

    Drilling Down: Real-World Advice from Production

    Chemists appreciate practical input beyond the datasheet. Exposure to moisture, even over the short term, can trigger mild hydrolysis or slow changes in apparent melting behavior, complicating both formulation and scale-up efforts. Direct experience with shelf stability has led us to suggest the use of inert nitrogen-purged packaging for any critical application, especially for clients running sensitive analytical tests or complex multistep syntheses.

    Experiments and production runs have revealed that 2,3,5,6-Tetrafluorobenzoic Acid achieves better reactivity in cross-coupling and functionalization chemistry than lower-fluorinated analogs, often giving higher yields in Suzuki and Mizoroki-Heck frameworks. Process chemists highlight fewer side reactions, especially decarboxylation losses, compared with isomeric alternatives. Learning from direct process failures, we urge that all transfer and blending use lined glass or fluoropolymer equipment—stainless steel or aluminum imparts trace contaminants that can poison metal-catalyzed reactions in some cases.

    Supporting Next-Generation Applications

    Changes in the chemical industry occur rapidly, and the demand for new functional building blocks never sleeps. With each production campaign, it becomes clearer that 2,3,5,6-Tetrafluorobenzoic Acid supports innovation in more than a single corner of applied science. Research groups working in sustainable materials look for new ways to incorporate this acid into biodegradable or recyclable fluorinated polymers. Some semiconductors developers report greater dielectric stability and lower defect rates through the use of high-purity, multi-fluorinated ring systems. We track these trends with interest, focusing our internal projects on boosting yields, reducing processing steps, and incorporating customer feedback directly into plant SOPs.

    We learn just as much from describing process failures as from celebrating successes. Cases where the acid failed to deliver a decided advantage in a given synthesis—often due to incompatibility with certain alkali reagents—subjected our process to tough post-mortems. These experiences inform not only our technical bulletins, but also our willingness to share honest recommendations about compatibility. Our top technologists remain available to discuss specifics, precisely because we know how a single property or unseen impurity can derail months of project work.

    The Role of Manufacturing Know-How in Supporting User Goals

    From the earliest possible stage, we keep a watchful eye on every input material—from fluorinating agents to solvents and auxiliary acids. Relying on long-standing relationships with vetted suppliers, we monitor every drum of input material for purity and batch consistency, understanding that fluctuations—even by ppm levels—can ripple through and affect output. Before rolling a new supplier into the process, full-scale pilot batches and stress tests validate claims, often uncovering differences invisible in certificate paperwork.

    Operator skill and discipline are just as pivotal. Over years of staff training, process improvements, and honest error reporting, our team has developed countermeasures for everything from accidental cross-dosing to unplanned heating events. Constant vigilance keeps unplanned downtime low and output quality high, strengthening the value of our acid in every application, from custom low-volume lots to standard tonnage orders.

    Conclusion: Real-World Results, Direct from the Source

    Looking back over decades of improvements, we’ve built a production line for 2,3,5,6-Tetrafluorobenzoic Acid that joins practical process discipline with a true understanding of how fine details change global outcomes. Every ton traces back through layers of craftsmanship, oversight, and incremental improvement born out of direct user experience, regulatory demand, and honest lessons learned through problem-solving. The result: a product that repeatedly meets the needs of customers advancing both industry and research, backed by decades of technical input and the kind of diligence that only comes from direct manufacturing know-how.