Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

2,3,5,6-Tetrafluoro-P-Xylene

    • Product Name 2,3,5,6-Tetrafluoro-P-Xylene
    • Alias TFPX
    • Einecs 221-038-6
    • 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

    242327

    Cas Number 211979-42-7
    Molecular Formula C8H6F4
    Molecular Weight 178.13 g/mol
    Appearance Colorless liquid
    Boiling Point 163-165°C
    Density 1.27 g/cm³
    Refractive Index 1.462
    Flash Point 62°C
    Purity Typically ≥98%
    Smiles CC1=CC(F)=C(F)C(F)=C(C)C1F

    As an accredited 2,3,5,6-Tetrafluoro-P-Xylene 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, sealed with a PTFE-lined cap and labeled with hazard information and chemical identification.
    Shipping 2,3,5,6-Tetrafluoro-p-xylene should be shipped in tightly sealed containers, away from sources of ignition and incompatible substances. Use appropriate labeling in compliance with GHS/OSHA standards. Transport under ambient conditions unless otherwise specified, and follow all local, national, and international regulations for hazardous chemicals. Handle with caution to prevent leaks or spills.
    Storage 2,3,5,6-Tetrafluoro-p-xylene should be stored in a tightly sealed container in a cool, dry, and well-ventilated area away from heat, ignition sources, and incompatible materials such as strong oxidizers. Store it in a chemical storage cabinet designed for organic solvents. Properly label the container and ensure that it is protected from physical damage and direct sunlight.
    Application of 2,3,5,6-Tetrafluoro-P-Xylene

    Applications of 2,3,5,6-Tetrafluoro-P-Xylene in Industrial Manufacturing

    2,3,5,6-Tetrafluoro-P-Xylene serves as a critical fluorinated intermediate in specialized industrial sectors. As a direct manufacturer, we focus on reliable, application-driven supply for advanced chemical, polymer, and pharmaceutical synthesis, supporting highly controlled production standards globally.

    1. High-Performance Liquid Crystal Monomer Synthesis

    2,3,5,6-Tetrafluoro-P-Xylene is essential for introducing fluorinated aromatic units in manufacturing liquid crystal monomers. Its unique substitution pattern supports superior dielectric properties in end displays. Users rely on its consistent fluorine content to enable the exact alignment and phase behavior necessary for precision display technologies across TFT-LCD and OLED sectors. QC teams routinely check purity specifications to prevent side reactions during condensation with phenolic derivatives.

    Industry compliance standards

    • ISO 9001:2015 quality assurance for chemical production
    • RoHS Directive 2011/65/EU for electronics compatibility
    • IEC 61249-2-21: Halogen-free electronic materials
    • REACH Regulation (EC) No 1907/2006 substance registration

    Typical usage ratio

    • Used at 8–20 mol% relative to total aromatic monomers in monomer blend; adjusted to control mesophase temperature of mixture

    Downstream process integration

    • Introduced in step-growth polymerization with fluorinated diols or dicarboxylic acid chlorides
    • Added after initial monomer mixing to enable controlled block incorporation
    • Processed under inert nitrogen atmosphere for moisture-sensitive reactions
    • Integrated at the solution blending or melt blending step depending on final product type

    Final product types

    • Advanced nematic and smectic liquid crystals
    • Low-viscosity liquid crystal display fluids
    • High contrast TFT and OLED displays
    • Specialty electro-optic components for photonics

    2. Fluorinated Polybenzoxazole (PBO) Fiber Intermediates

    This fluorinated xylene derivative acts as a building block for high-strength PBO precursor synthesis. The compound’s tetrafluoro groups increase flame resistance and reduce dielectric loss in finished fibers. Manufacturers introduce it into the condensation reaction with paraphenylenediamine and other fluorinated co-monomers. Strict impurity limits prevent polymer discoloration, ensuring fiber uniformity in aerospace and protective apparel.

    Industry compliance standards

    • ISO 14001:2015 Environmental Management for chemical plants
    • EN 1149-5:2018 Textile electrostatic protection
    • ASTM D7017 for high-performance polymer fibers
    • Oeko-Tex® Standard 100 for harmful substance control in textiles

    Typical usage ratio

    • Typically 5–15 wt% based on total aromatic unit content; tailored to required mechanical properties

    Downstream process integration

    • Fed into polycondensation reactor post-initial charging of diamines
    • Co-dissolved in high-boiling polar solvents before temperature ramp
    • Dosed under nitrogen to minimize hydrolysis/oxidation risk
    • Followed by direct spinning or film casting for intermediate product isolation

    Final product types

    • Fire-resistant PBO staple fiber
    • High-tensile technical yarn
    • Aerospace and defense-grade protective fabrics
    • Substrate for flexible printed circuits

    3. Active Pharmaceutical Intermediate for Selective Kinase Modulators

    This compound supports synthesis of advanced aromatic frameworks used in selective kinase inhibitor APIs. R&D and GMP sites value its symmetrical tetrafluoro substitution for direct metal-catalyzed coupling, enabling formation of highly fluorinated core scaffolds with improved metabolic stability. Process chemists use analytical confirmation of residual organics at each stage to assure downstream regulatory approval.

    Industry compliance standards

    • ICH Q7A GMP for API intermediates
    • USP-NF Monographs Section General Notices for intermediates
    • EU GMP Part II: Basic Requirements for APIs
    • FDA 21 CFR Part 211: Finished pharmaceuticals

    Typical usage ratio

    • Utilized at 1–2 equivalents per cyclization or coupling step; further optimization case by case according to structure–activity needs

    Downstream process integration

    • Charged post-initial diazotization or halogenation stage
    • Fed into Suzuki-Miyaura or Buchwald–Hartwig cross-coupling under controlled heat
    • Purified by high-vacuum distillation before final API pathway
    • Subjected to residual solvent and impurity release tests per ICH Q3A/B

    Final product types

    • Clinical kinase inhibitor intermediates
    • Lead compound libraries for drug discovery
    • Advanced pharmaceutical building blocks
    • Reference materials for regulated batch synthesis

    4. Specialty Fluorinated Coating Resin Synthesis

    As a key aromatic di-substituent, this raw material allows production of ultra-hydrophobic, abrasion-resistant fluoropolymer coatings. Coating manufacturers mix it in controlled ratios with other halogenated and non-halogenated monomers to tune film hardness and weatherability for electronics, optical devices, and specialized tools. Crosslinking performance directly correlates with tetrafluorinated content and solvent compatibility in the final resin blend.

    Industry compliance standards

    • EN 13523-10:2010 Resistance testing of organic coatings
    • UL 746C: Polymeric materials for electrical equipment
    • ISO 12944-6:2018 Corrosion protection coatings
    • Directive 2011/65/EU (RoHS) for electrical/electronic applications

    Typical usage ratio

    • Applied at 10–35 mol% within the monomer feed mix, depending on required hydrophobicity and dielectric strength of final coating

    Downstream process integration

    • Introduced at monomer synthesis or pre-polymerization phase
    • Blended with crosslinkers during melt-casting or solvent dispersion
    • Cured under controlled temperature and UV/radiation exposure
    • Subjected to surface tension and chemical resistance QC tests

    Final product types

    • Fluorinated anti-graffiti coatings
    • Weather-resistant paint for outdoor electronics
    • Low-friction optical glass coatings
    • Resin binders for anti-corrosive industrial surfaces

    5. Engineering Plastic Modifier for Polyarylate Synthesis

    This compound functions as a specialty monomer to improve heat stability and chemical resistance in custom polyarylate formulations. Technical teams monitor melt index and color during extrusion, as dose-responsiveness to tetrafluorinated units can affect mechanical performance in high-stress industrial molded goods. Used primarily in electronics, medical devices, and filtration module housings where precision stability is required.

    Industry compliance standards

    • UL 94: Flammability standards for plastics
    • ISO 180: Impact resistance for plastics
    • REACH Annex XVII: Restrictions on chemical substances
    • FDA 21 CFR 177.1580 (polyarylate for food contact, where applicable)

    Typical usage ratio

    • Added at 2–10 wt% to adjust melt flow and glass transition properties as specified per end application

    Downstream process integration

    • Charged during polycondensation with dihydroxyaryl and ester units
    • Melt-kneaded or extrusion compounded before pelletizing
    • Monitored for residual fluorine and particle inclusion control
    • Directly transferred to injection molding or profile extrusion for end-use geometries

    Final product types

    • Precision engineering components for electronics
    • Medical device instrument housings
    • High-temperature-resistant filtration frames
    • Wear-resistant industrial manifolds

    6. Intermediate for Agrochemical Active Ingredients

    The tetrafluorinated aromatic system provides a unique scaffold for synthesis of advanced agrochemical active substances, where electron-withdrawing effects improve target selectivity and persistence. Downstream process teams use it in stepwise aromatic coupling, ensuring reaction conversion and impurity profiles align with stringent global agrochemical guidelines. Material tracking and QA documentation are essential for compliance throughout the workflow.

    Industry compliance standards

    • FAO/WHO JMPR Guidance for pesticide active ingredients
    • EPA 40 CFR Part 158: Data requirements for pesticides
    • EU Regulation (EC) No 1107/2009 for plant protection products
    • ISO 17025: Laboratory testing accreditation

    Typical usage ratio

    • Reacted at 0.5–1.5 equivalents in key coupling or functionalization step, calculated from stoichiometric yield and product purity targets

    Downstream process integration

    • Introduced after halogenation/activation of base aromatic system
    • Processed via transition-metal catalysis for targeted C–C or C–N bond formation
    • Purified by column chromatography or crystallization pre-formulation
    • Sampled for residual fluorinated byproduct to meet registration standards

    Final product types

    • Selective herbicide intermediates
    • Novel fungicidal active ingredients
    • Insecticide precursor molecules
    • Agrochemical research standards
    Free Quote

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

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    2,3,5,6-Tetrafluoro-P-Xylene: A Manufacturer’s Perspective on Quality and Application

    Crafting Reliable 2,3,5,6-Tetrafluoro-P-Xylene from Raw Materials to Finished Product

    Working directly in the field of fluorinated aromatic intermediate production for decades, our approach to manufacturing 2,3,5,6-Tetrafluoro-P-Xylene centers on process control, purity, and consistency. We tailor every batch through a blend of select fluorinated benzene feedstocks, routine in-line analysis, and purposeful quality checkpoints. Over the years, minor tweaks in reaction conditions or feedstock handling have pointed to measurable jumps in yield and color outcomes, as well as underlying trace impurity profiles.

    We run production at scale, using stainless reactors lined for fluoride resistance. This minimizes cross-contamination and off-product formation, experience showing that even a fractional percentage of feedstock misclassification carries through all the way to final content. Product is collected, distilled, and polished against set GC benchmarks for p-xylene isomer integrity, as well as elemental analysis for sub-ppm halide specification in applications like specialty polymers and liquid crystals. That hands-on vigilance is why brands downstream have found fewer off-spec events, a marked reduction in side reactions, and more reliable results batch-to-batch.

    Specifications Shaped by Application and User Experience

    Through feedback from advanced material scientists, our efforts focus on keeping moisture and oxygen contamination far below standard stock levels seen in lesser grades of this molecule. Our average purity (by GC) regularly reaches above 99.5%. Volatile impurities and trace water under 100 ppm have proven to be crucial for those using 2,3,5,6-Tetrafluoro-P-Xylene as an intermediate in fluorinated polyarylate systems and OLED component precursors; we implement sealed storage and custom cylinder options to avoid product degradation.

    We classify each batch by direct integration of fluorine content and detailed isomeric composition, backed by NMR verification. With decades of practical application observations, customers handling our product in high-performance environments note reduced fouling in downstream reactors and more predictable crystallinity in complex polymer backbones, which ultimately leads to fewer troubleshooting steps at the manufacturing line.

    Performance Enabling Specialized Organic Synthesis

    Over time, research teams taking our 2,3,5,6-Tetrafluoro-P-Xylene into large-scale coupling and fluorination routes have reported sharp improvements over alternate sources. Our controlled synthesis minimizes byproducts that complicate Cu- or Pd-catalyzed cross-coupling chemistry. Reports from composite fiber developers highlight how subtle differences in impurity footprints can swing melt behavior and mechanical property outcomes in the finished polymer, demonstrating why close attention during manufacturing pays off for the end user.

    From our direct experience, this product finds particular value in custom monomer synthesis for advanced fluoropolymer arrays, high-frequency dielectric materials, and intermediates for pharmaceutical scaffolds. Teams working in electronics and microfabrication also point to its use for surface modification and photoresist resin development, where batch stability and color parameters are tightly scrutinized each shipment. Our technical personnel keep communication open with R&D partners, and their findings often influence new internal routine tests and packaging tweaks.

    Standards Beyond Commodity Aromatics

    Unlike some commodity p-xylene derivatives, 2,3,5,6-Tetrafluoro-P-Xylene demands a narrow operating window for synthesis. We set our standard far above generic chemical supply, confronting issues like halogen exchange, ring-defluorination, and metal contamination head-on each cycle. Relying on extensive, real-world scenarios shapes every phase, from filtration methods that prevent Teflon particulates contaminating the product to Argon-blanketed storage reducing peroxide formation.

    For some buyers, the difference between various manufacturers might look subtle on a spec sheet. It’s the actual chemistry on the line, with strict GC, LCMS, and Karl Fischer moisture tracking, that separates our product in practice. Engineers working with impure material quickly encounter catalyst poisoning or unexpected side products, sidelining both research and commercial scale operations. It reinforces the value in direct-from-manufacturer expertise: transparent communication during troubleshooting, flexibility for custom purity grades, and a record of supporting sophisticated supply chain requirements.

    Known Differences from Other Xylene Derivatives

    Specific performance attributes set 2,3,5,6-Tetrafluoro-P-Xylene apart from other xylene isomers and partially fluorinated xylenes. Laboratories comparing structure-activity relationships observe that this fully fluorinated isomer presents lower nucleophilicity, excellent thermal stability, and a heightened resistance to typical aromatic oxidation routes. Years of feedback show it reacts differently under Friedel-Crafts conditions and offers a robust platform for creating high-molecular-weight, fluorine-rich polymers without the problems posed by mono- or difluoro counterparts.

    Comparing to non-fluorinated xylene isomers, ours stands out for its ability to serve as a precursor for specialty materials targeting aggressive electronic environments, thanks in large part to the effect of four fluorine atoms ring-substituted on the aromatic core. This leads to predictable outcomes in advanced coatings and selective barrier technology production. In customer reports, applications benefit from both the chemical inertness and lower dielectric constants not accessible through standard xylenes.

    Value Proven in Cross-Disciplinary Applications

    Over the years, production volumes of 2,3,5,6-Tetrafluoro-P-Xylene have supported a wide swath of users. Our product sees frequent use by teams developing perfluorinated ionomer membranes for fuel cells, electronic materials for automotive sensor fabrication, as well as custom-designed pharmaceutical intermediates. Our collaboration with partners in these sectors often prompts new ways to package, handle, and even re-certify product for ultra-trace metal content, driven largely by direct discussion rather than standard supply language.

    This high involvement in field applications leads us to continually improve on detection limits and batch documentation. Users tracing even tiny amounts of chloride, bromide, or non-aromatic residue build their downstream chemistry on the foundation we establish at our reactors. Smaller quantities for research labs get the same level of proprietary batch documentation as larger volumes destined for high-volume polymerization kettles. Listening directly to end users informs our rotating battery of analytical procedures, which get continually tweaked for better real-world resolution and feedback.

    Logistics and Handling: Learning from Experience

    Decades shipping this material worldwide have produced lessons that don’t show up in typical specification sheets. Vapor management and drum lining choice, for example, play a surprisingly large role in long-range shipment stability: a single missed seal or supplier shortcut can result in flask discharges, unforeseen pressure spikes, or color drift on arrival. We always opt for high-barrier packaging, accompanied by individually traced container IDs, to support chain-of-custody documentation. Our direct manufacturer’s approach allows us to collaborate on customized transport protocols, dry ice additions, or handling instructions for sensitive users.

    Clients with unique equipment or environmental requirements often appreciate not just our care in logistics but the benefit of being able to speak directly with chemists and operations managers, not a detached trading intermediary. Shared experience cuts response time for non-standard shipping events, raw material disruptions, or special re-testing requests.

    Troubleshooting and Solution-Oriented Experience

    Manufacturing 2,3,5,6-Tetrafluoro-P-Xylene is never a “set-and-forget” business, especially given the sensitivities in select end uses. When issues arise during user processing—like trace color development in oligomer synthesis, or GC-detectable byproducts after extended storage—our teams reference both historical batch data and on-the-ground user reports. Often, the solution is as practical as switching a drum vent design, pulling a new dry nitrogen flush, or communicating updated TLC behavior on fresh versus stored batch samples.

    Our direct manufacturing relationship with industrial-scale buyers and advanced laboratory users leads to hands-on problem solving: reviewing continuous-flow data, swapping out potential contaminant polymer liners, or running an on-site visit to review reactor fouling. Repeated experience confirms that prompt investigation and transparency keeps hundreds of kilograms of product from being written off due to avoidable process hiccups.

    One persistent challenge that our clients mention is holding batch-to-batch consistency during scale-up or pilot plant runs. We have invested in process intensification studies, deploying real-time analysis, and scaling the reaction controls that keep impurity drifts minimal—especially for global customers looking to align with evolving regulatory and supply chain traceability expectations.

    Evolution Driven by Field Feedback

    Over years of working within close-knit communities spanning materials, pharma, and polymer research, we recognize that not all technical issues appear in the scientific literature. Feedback often arrives in the form of real-world results: a new high-frequency circuit photoresist formulation shows unexpected electrical stability, or a bioactive compound made using our product provides a cleaner mass ramp than runs piloted with an off-brand source. Those signals, passed back to us as data sets or field notes, lead to adjustments in trace element control and additional dedicated testing for in-use scenarios.

    We have seen requests for tailored packaging, deeper documentation on trace element profiles, and inquiries on specific solvent compatibility—all of which draw on the lessons picked up from years of direct interaction. That culture of responsive change, rather than burying product requests behind lengthy forms or third-party approval, shapes how we anticipate both known and emerging demands in labs and industrial settings worldwide.

    Collaborative Solutions and the Future Direction of Advanced Xylenes

    The future of specialty xylenes increasingly turns on practical expertise and sustained investment in analytics and logistics, rather than superficial spec sheet conformity. In our daily work, changes in national import restrictions or safety requirements come up mid-shipment, and direct user experience shapes the solutions that keep projects on track across continents. Whether serving as a foundation for highly specialized membrane chemistries or as a link in the chain of new liquid crystal display materials, consistent communication remains as important as any purity metric or technical certificate.

    Current trends point to more demand for tighter control of halide, particulate, and organic residue profiles in high-end electronics and medical R&D. Our teams share a commitment to clear, practical feedback—experiences gained from hands-on involvement in everything from drum leak fixes to real-time reactivity studies—not merely theory or spec-driven promises. Direct traceability and collaborative troubleshooting add value for those pushing chemical frontiers, where success depends on each step of the supply chain holding up under unexpected pressure.

    Summary of Hands-On Value

    As long-time manufacturers, what sets 2,3,5,6-Tetrafluoro-P-Xylene apart is the difference that direct process control, transparent monitoring, and continuous technical dialogue make to user outcomes. Our role does not end at shipment but extends into regular field updates, tailored batch support, and cross-disciplinary technical exchange. As downstream complexity grows, so does the need for real-world, application-driven adjustments—the sort of attention that only the original manufacturer can provide.

    Choosing this product from a dedicated source isn’t just about analytical readings or regulatory filings; it’s about tapping into decades of practical knowledge and adapting with every iteration, every batch, every field report. Those are the real dividends our partners see—outcomes that textbooks and catalog listings struggle to capture, but which shape the next wave of advanced, reliable specialty materials.