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2,4-Difluorobenzoyl Chloride

    • Product Name 2,4-Difluorobenzoyl Chloride
    • Alias DFBC
    • Einecs 223-606-7
    • 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

    435663

    Cas Number 393-52-2
    Molecular Formula C7H3ClF2O
    Molecular Weight 176.55 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 98-100°C at 10 mmHg
    Density 1.384 g/mL at 25°C
    Refractive Index n20/D 1.539
    Purity Typically ≥98%
    Synonyms 2,4-Difluorobenzoyl chloride; Benzoyl chloride, 2,4-difluoro-
    Solubility Decomposes in water, soluble in organic solvents

    As an accredited 2,4-Difluorobenzoyl Chloride 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 100 grams of 2,4-Difluorobenzoyl Chloride, tightly sealed with a PTFE-lined cap, labeled for laboratory use.
    Shipping 2,4-Difluorobenzoyl Chloride is shipped as a hazardous chemical in tightly sealed containers, compatible with corrosive substances. It should be packaged to prevent moisture entry and labeled according to international transport regulations (UN 3265, Class 8). Shipping must comply with relevant safety guidelines for transport by air, sea, or land.
    Storage 2,4-Difluorobenzoyl chloride should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from direct sunlight. Keep away from moisture, bases, alcohols, and strong oxidizing agents. Store under inert gas, such as nitrogen, if possible. Handle and open containers with care, preferably in a chemical fume hood while wearing appropriate protective equipment.
    Application of 2,4-Difluorobenzoyl Chloride

    Applications of 2,4-Difluorobenzoyl Chloride in Industrial Manufacturing

    As a direct manufacturer of 2,4-difluorobenzoyl chloride, we supply this product to multiple specialized industrial sectors. Our technical team ensures material traceability and process support for advanced formulation and downstream integration. Below, we present recognized application pathways based on global market practices and regulatory requirements.

    1. Synthesis of Fluorinated Pharmaceutical Intermediates

    Pharmaceutical companies use 2,4-difluorobenzoyl chloride for acylating amine or alcohol groups when preparing key intermediates for antibiotics, antivirals, and anti-inflammatory APIs. This reagent introduces difluorobenzoyl moieties, improving target molecule stability and metabolic profile. Operator manages critical material transfer into the API process at early-stage synthesis. Control measures for hazardous reaction exotherms and byproducts ensure process safety in closed systems.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • European Pharmacopoeia purity standards for intermediates
    • FDA 21 CFR Part 211: Current Good Manufacturing Practice for Finished Pharmaceuticals
    • REACH pre-registration for handling and workplace exposure

    Typical usage ratio

    • Reactant ratio typically 1.0–1.2 equivalents per target substrate, adjusted based on molar demand and waste minimization strategies

    Downstream process integration

    • Material introduction during the acylation reaction stage for intermediate formation
    • Followed by aqueous work-up and repeated purifications during API synthesis

    Final product types

    • Key API intermediates for fluoroquinolone and antiviral drugs
    • Anti-inflammatory compound scaffolds
    • Custom fluorinated building blocks
    • Bulk pharmaceutical chemical stock

    2. Agrochemical Active Ingredient Manufacturing

    Agrochemical formulators deploy 2,4-difluorobenzoyl chloride to convert substituted anilines or phenols into fluorinated benzamide or ester derivatives, boosting crop protection molecule resistance and field persistence. Material dosing occurs under controlled addition to manage gas evolution and ensure batch-to-batch consistency. Proper residue monitoring aligns with global standards prior to release downstream.

    Industry compliance standards

    • ISO 9001 certification for agrochemical production
    • FIFRA (40 CFR) US pesticide regulations on intermediates
    • OECD Principles of Good Laboratory Practice (GLP)
    • Chinese Ministry of Agriculture pesticide registration guidance

    Typical usage ratio

    • 0.8–1.3 equivalents per mole of nucleophilic substrate; rate controlled by substrate functionalization and target yield

    Downstream process integration

    • Input at active ingredient synthesis, specifically during benzoylation or esterification
    • Product passes through multi-step work-up, deprotection, and formulation

    Final product types

    • Selective herbicide intermediates
    • Insecticidal benzamides and derivatives
    • Fungicidal active ingredient building blocks
    • Stable reference compounds for regulatory submission

    3. Advanced Polymer Modification

    Specialty chemical manufacturers utilize 2,4-difluorobenzoyl chloride for functionalizing aromatic polymers and engineering plastics. This modification enhances polymer flame retardancy, chemical resistance, and compatibility with electronic applications. Process engineers add the reagent during polymer backbone modification, under strictly inert conditions to avoid adverse hydrolysis and maintain the integrity of high-performance resins.

    Industry compliance standards

    • ISO 14001 Environmental Management Systems for manufacturing facilities
    • RoHS Directive compliance for electrical/electronic end uses
    • EN 14582:2016 for halogen content determination in polymers
    • Customer-specific technical agreements for flame retardancy

    Typical usage ratio

    • 0.05–2% by weight of total polymer mass, tailored based on performance requirements and polymer type

    Downstream process integration

    • Direct addition during reactive extrusion, solution polymerization, or surface grafting stages
    • Followed by processing into pellets, films, or molded components

    Final product types

    • Fluorinated polyimide resins
    • Modified polyaryletherketones (PAEK)
    • High-temperature resistant coatings
    • Electronic device insulating films

    4. Active Ingredient for Photoinitiator Precursors

    Manufacturers of UV-curable resins and inks introduce 2,4-difluorobenzoyl chloride to synthesize difluorinated benzophenone derivatives, which improve light absorption and polymerization initiation efficiency. Quality assurance teams closely monitor reaction exotherm and purity in sealed systems to prevent adverse photolysis and contamination, aligning with high optical grade requirements.

    Industry compliance standards

    • ISO 9001:2015 for ink and resin compounding
    • China GB/T 32610-2016 standards for UV-curable materials
    • ECHA SVHC screening for ink formulations
    • Technical Data Index (TDI) reporting for photoinitiator substances

    Typical usage ratio

    • Reactive intermediate use at 1.1–1.5 stoichiometric equivalents; excess monitored to minimize residuals in final product

    Downstream process integration

    • Material utilized at the precursor synthesis stage for photoinitiator ingredient production
    • Subsequently formulated into UV-cure coatings or offset inks

    Final product types

    • Advanced photoinitiators
    • UV-cured clear coatings
    • High-speed digital printing inks
    • Photographic resin compositions

    5. Synthesis of Specialty Organic Intermediates for Fine Chemicals

    Fine chemical producers apply 2,4-difluorobenzoyl chloride for constructing fluorinated aromatics as intermediates for dyes, liquid crystals, and high-purity lab reagents. This use optimizes aromatic substitution reactions to achieve target purity and desired functional group orientation. Operators manage batchwise addition and maintain inert atmosphere to avoid undesired side reactions or hydrolysis.

    Industry compliance standards

    • ISO 9001 quality management for fine chemicals
    • European REACH registration for manufacture/import
    • Specific purity requirements as per customer procurement contract
    • Transportation regulation ADR/RID for hazardous chemicals

    Typical usage ratio

    • 1.0–1.2 equivalents per target molecule; process chemists adjust for reaction efficiency and downstream purification

    Downstream process integration

    • Entry at aromatic substitution or esterification stages in the multi-step fine chemical synthesis
    • Intermediate isolated, purified, and processed for customer-specific needs

    Final product types

    • Fluoroaromatic dye intermediates
    • Liquid crystal compounds
    • Reference grade calibration standards
    • Organic laboratory reagent kits

    6. Electronic Chemical Raw Material for Semiconductor Processing

    Semiconductor and display panel manufacturers require precise acyl chloride reagents for chemical vapor deposition (CVD) precursors and ultra-high-purity patterning aids. Controlled introduction of 2,4-difluorobenzoyl chloride enables fabrication of advanced fluorinated organics for etch resists and thin-film dielectrics. Strict environmental controls prevent particle and ionic contamination throughout system integration.

    Industry compliance standards

    • SEMI F1/F57 standards for chemical purity in microelectronics
    • ISO 14644-1 cleanroom classification
    • IECQ QC 080000 hazardous substances process management
    • Customer QA audits for yield and defect rate control

    Typical usage ratio

    • 0.01–0.1 equivalents in blend for CVD applications; specifically engineered for source and precursor systems

    Downstream process integration

    • Material metered into precursor vessels for gas-phase reactions or photoresist formulation lines
    • Subject to on-site conditioning and submicron filtration

    Final product types

    • CVD/ALD fluorinated precursors
    • High-resolution photoresists
    • Dielectric fluoropolymers
    • Thin-film electronic coatings
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    Certification & Compliance
    More Introduction

    Introducing 2,4-Difluorobenzoyl Chloride: Insights from the Manufacturer’s Perspective

    The Realities of Making and Using 2,4-Difluorobenzoyl Chloride

    As a chemical manufacturer with years spent overseeing the transition from raw starting materials to specialized organic intermediates, I have seen firsthand the real-world impact of compounds like 2,4-Difluorobenzoyl Chloride. Our operation dedicates considerable resources to producing this product under tightly monitored conditions, based on repeatable processes honed over many production runs. The journey for each batch reveals not only what 2,4-Difluorobenzoyl Chloride brings to laboratory and industrial teams, but also why values such as traceability, consistency, and technical support matter from a true manufacturer’s perspective.

    Understanding 2,4-Difluorobenzoyl Chloride

    The molecule stands apart due to its two fluorine substituents on the aromatic ring, making it reactive in ways single-fluoro and non-fluorinated benzoyl chlorides can’t match. During manufacturing, introducing two fluorine atoms at the 2 and 4 positions isn’t just a simple switch. It means securing careful halogen placement while maintaining strict purity, since trace undesired isomers or byproducts diminish performance for downstream users. Working with this molecule, we observe that its properties directly reflect the robustness of our production line: customers rely on each shipment carrying the same purity, color profile, and performance as the last one.

    At the core, 2,4-Difluorobenzoyl Chloride appears as a colorless to pale yellow liquid, typically with a sharp, penetrating odor that’s familiar to chemists experienced with acyl chlorides. Chemically, its melting point is low, so the liquid state is common at standard storage temperatures. We ensure that each lot matches rigorous internal specifications, often exceeding the minimum requirements found on general-purpose supply lists. Customers often ask for detailed impurity data, so we routinely provide chromatograms and spectroscopic analyses alongside each batch. This level of transparency isn’t extra—it’s crucial for pharmaceutical and agrochemical developers who can’t risk off-spec content in their synthetic routes.

    Production and Quality Controls that Define Us

    The day-to-day manufacturing of 2,4-Difluorobenzoyl Chloride includes both unique and shared challenges compared to other acyl chlorides. Sourcing high-purity 2,4-difluorobenzoic acid represents the first bottleneck. Even slightly impure input acids can lead to downstream contaminants. We work closely with raw material suppliers, auditing their own synthesis lines regularly, so that only quality materials reach our reactors. Batch records and real-time data loggers track temperatures, pressures, and flow rates—all data we retain in compliance with regulatory standards and quality management systems.

    Handling the chlorination step takes specific skill and engineering controls. Hydrogen chloride gas evolves during production, requiring scrubbers and contained reaction vessels to keep both reactions and operators safe. Every line operator receives targeted training on these hazards, and regular drills keep emergency protocols sharp. Nitrogen blanketing and inert atmospheres prevent unwanted moisture ingress, which would spoil the final product and produce hydrochloric acid. Extra care extends into filling and packaging, since 2,4-Difluorobenzoyl Chloride will react with common packaging materials unless they meet a certain chemical resistance. By using fluoropolymer-lined drums and sealed glass containers, we help downstream partners avoid avoidable reactivity and leaching.

    Key Applications in Research and Synthesis

    Technicians and scientists choose 2,4-Difluorobenzoyl Chloride mainly for its role as an intermediate in organic synthesis. Its structure enables efficient introduction of both an acyl group and two electron-withdrawing fluorine atoms, which shift the reactivity and physical properties of products. This makes it a tool for creating pharmaceuticals, especially drugs where the benzoyl group must offer metabolic stability against enzymatic breakdown. By comparison, mono-fluorinated or non-fluorinated analogs might lag behind in this context, as their products metabolize too quickly or display lower receptor selectivity.

    While our primary customers belong to the pharmaceutical sector, we also support research in pesticides, specialty chemicals, and advanced materials. Academic labs come to us seeking small lots, using the compound as a coupling partner for complex molecule synthesis. Scale-up partners order larger quantities for pilot plant processes. By keeping flexibility in our batch sizes and delivery scheduling, we bridge the gap between early research and full industrialization. From our perspective, knowing the exact end use sometimes isn’t possible, given confidentiality standards. Still, in nearly every synthetic application, precision and reliability in our product feature in someone’s critical path.

    How 2,4-Difluorobenzoyl Chloride Differs from Similar Reagents

    Looking at common requests for recommendations, users often ask about differences among fluorinated benzoyl chlorides. We keep an inventory spanning from non-fluorinated, mono-fluorinated, difluorinated, and trifluorinated acyl chlorides, and each has a distinct market. 2,4-Difluorobenzoyl Chloride offers a particular blend of electron distribution since the fluorines occupy two positions on the aromatic ring. These substitutions lower electron density just enough for the molecule to display both increased chemical stability and altered reactivity compared to simple benzoyl chloride or the 4-fluoro analog. The impact shows up quickly during acetylation reactions for API (Active Pharmaceutical Ingredient) routes, where 2,4-difluoro variants give greater control over product identity and purity.

    We see the distinction play out most clearly in downstream product testing. Compounds made with 2,4-Difluorobenzoyl Chloride often give improved biological activity in screens compared to their mono-fluoro counterparts, and they’re more predictable in terms of metabolism. In materials science, the difluoro modification yields thermal behavior and solubility shifts. For scientists confronting sluggish reactivity, switching from a standard benzoyl chloride to a 2,4-difluoro version sometimes uncorks an entire synthetic route. That’s not just marketing—it reflects structure-activity data collected from repeated use cases in medicinal chemistry and crop protection research.

    Purity Standards and Analytical Testing

    Manufacturing purity makes or breaks outcomes, and this reality keeps us focused on analytical rigor. Finished 2,4-Difluorobenzoyl Chloride undergoes multiple rounds of testing at our facility: GC and HPLC for purity, spectroscopic methods like NMR and FT-IR for structural confirmation, and Karl Fischer titration for moisture content. Each result feeds into a fully traceable certificate of analysis. We understand that a single off-specification drum could derail an entire drug project, so our quality assurance protocols sit at the center of our operation. Every released batch comes with a document trail any regulator or auditor can follow. Research partners have commented on our focus here, since they can trace any deviation back to its batch and testing cycle.

    Beyond purity, we address trace solvent and residual acid content. These minor impurities matter when intermediates go on to critical downstream steps, often under strict regulatory oversight. By holding to internal thresholds well below industry upper limits, we help users avoid costly rework, stalled syntheses, and regulatory headaches. Our technical service group stays available to review customer analytical data and compare it to our own, in case troubleshooting at a client facility uncovers unexpected variance.

    Packaging and Safe Handling—A Manufacturer’s Perspective

    After years spent producing reactive acyl chlorides, we now start packaging decisions based on both chemical compatibility and real-world logistics. 2,4-Difluorobenzoyl Chloride’s reactivity means we avoid basic plastics. Instead, all drums, bottles, and bulk containers use fluoropolymer linings or high-grade amber glass. Caps and seals receive similar scrutiny, going through in-house testing to ensure that no leaching or vapor penetration compromises product integrity. Each container leaves our site in secondary containment to avoid accidental release during transit. Transport regulations vary by country, and our compliance staff stays up-to-date so shipment delays or packaging failures never bottleneck a client’s project timeline.

    On the safety side, we stress clear communication paired with frequent retraining for both staff and partner transporters. 2,4-Difluorobenzoyl Chloride can pose respiratory hazards if mishandled, and proper personal protective equipment remains non-negotiable in every stage of transfer and processing. Our in-house EHS (environment, health, and safety) staff conducts regular reviews, both to keep current certifications and genuinely reduce workplace risk. For partners new to handling reactive chlorides, we often walk through real-world storage and spill response protocols, based on scenarios we've encountered over years in operation.

    Transparency and Traceability: Building on Experience

    Our approach to manufacturing 2,4-Difluorobenzoyl Chloride draws on more than technical process documentation. Each step, from raw material audit to finished good shipment, links together through a digital traceability system. Every drum or bottle can be traced in real-time to its production parameters and the personnel overseeing its finish. This database gives us a rapid way to support recall investigations, answer regulatory queries, or resolve questions from end users stuck in their process. We regard transparency as a foundation, not a feature—something genuine manufacturers and their partners depend on in an era of ever-tightening compliance.

    Buyers, especially those sourcing for pharmaceuticals or advanced materials, increasingly ask for this traceability as a matter of course. From the manufacturer side, making that possible means detailed batch records, unambiguous lab equipment calibration records, and secure archival of all testing points. When our customers perform their own audits, they find more than a checklist—they see the actual facility, review our live quality data, and verify our hazard mitigation controls. We believe this openness benefits everyone in the supply chain, turning routine orders into collaborative relationships built on shared confidence.

    The Manufacturer’s Role in Regulatory Compliance

    Demand from regulated industries shaped our production philosophy for this compound. In particular, pharmaceutical clients expect not just high-purity product, but also regulatory documentation that holds up to external scrutiny. We align our GMP (good manufacturing practice) principles to local and international expectations, even when supplying non-pharma orders. From validated cleaning procedures to cross-contamination avoidance, our workflow reflects an assumption that every order could face audit. The habitual attention to detail pays off, as we seldom field regulatory queries about our process or product chain. This record speaks to broad adoption by both established multinationals and emerging startups looking for reliability in their supply.

    Environmental factors also influence how we make and distribute 2,4-Difluorobenzoyl Chloride. Scrubbers for off-gassing, secondary containment, and accredited waste management firms all figure into our operating costs—but they keep our facility compliant and our community safe. We also stay informed about emerging chemical listing requirements around the world. As regulatory lists and watchlists evolve, we adjust labeling, ship documentation, and SDS files in real time. Doing this work at the source spares our customers the headache of retrofitting their own compliance mid-project.

    Supporting the Real-World Chemist

    Years of accountability to both bench scientists and large-scale engineers taught us that a manufacturer’s job includes more than meeting a sales target. Our technical teams field questions on everything from batch reactivity profiles to troubleshooting downstream failures. Sometimes the original inquiry is simply about supply chain logistics, but deeper conversation uncovers that a subtle impurity or non-obvious difference in reactivity has changed a client’s results. We treat these calls as a chance to prove real-world competence. Our chemists regularly swap process data—under tight NDA—with customer labs to jointly solve new synthesis hurdles.

    Troubleshooting isn’t limited to calibration or purity. Seasoned chemists know that small disturbances—like ultra-trace water or packaging vapor—can foul a reaction, especially for sensitive coupling or derivatization steps. Beyond supply, we sometimes help new customers optimize their handling protocols, upgrade storage areas, or review earlier failed attempts. We see our role as an upstream technical resource for those under pressure to deliver data, meet regulatory requirements, or stay ahead in a competitive research field.

    Why True Manufacturing Expertise Makes a Difference

    Direct experience with 2,4-Difluorobenzoyl Chloride’s entire lifecycle sets us apart from third-party traders or bulk resellers. As original manufacturers, we own the full risk and responsibility for what ends up in every bottle—its handling, purity, and traceability. We see every process deviation, every near-miss, and every customer success story. Our equipment, personnel, and batch histories remain open for audit and troubleshooting alike. Feedback from teams in fine chemicals and research labs steers how we refine our process, improve our packaging, and update our product specifications.

    After years using this feedback loop, we’ve improved several production bottlenecks. Removing certain byproducts entirely from the chromatographic profile, minimizing off-gassing during transfer, improving drum liners to eliminate micro-leakage—all evolved from user-based observations. Externally, customers tell us that this attention shows up in their yields, reduced troubleshooting calls, and fewer regulatory headaches. The result is not only a more reliable supply chain but a more trustworthy partnership between developer and supplier.

    What the Future Holds: Consistency and Growth

    Global research and production needs change constantly, so our own processes must evolve. As 2,4-difluorinated motifs become more popular across drug discovery pipelines and crop science, scale-up requests have jumped accordingly. We invest in process intensification, greener reagent streams, and continuous monitoring—less for trend’s sake, more to guarantee that every shipment gives the same performance regardless of lot or delivery point. By adopting automation for major steps but retaining manual sign-off for key quality holds, we combine scalability with human oversight. Our R&D division keeps its eye on both incremental improvements and major shifts in market needs, especially as new regulations and performance expectations arrive.

    At the start, producing a compound like 2,4-Difluorobenzoyl Chloride feels like responding to a specific, technical request. Over time, it becomes an exercise in trust, repeatability, and technical stewardship. The conversations we hold with researchers, formulators, and quality professionals push us to keep standards rising, documentation current, and troubleshooting proactive. We invest here not as a sideline but as a core part of staying relevant in a changing chemical marketplace. For every gram or drum shipped, our guarantee covers more than just a product—it extends to the reliability and partnership that only true manufacturers can offer, batch after batch.

    Conclusion: Commitment Beyond the Molecule

    Every time 2,4-Difluorobenzoyl Chloride leaves our facility, it carries the weight of years spent perfecting process discipline, quality controls, and technical engagement. The advances in downstream application—better drugs, safer crop protectants, more reliable specialty polymers—begin with how we treat each batch and each customer inquiry. As both research and manufacturing demands grow more complex, our commitment to technical accuracy, regulatory transparency, and open support stands firm. Solutions in advanced chemical synthesis require not just access to intermediates but genuine partnerships with manufacturers who understand both the chemistry and the people behind each project.