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2',4'-Difluoroacetophenone

    • Product Name 2',4'-Difluoroacetophenone
    • Alias 1-(2,4-Difluorophenyl)ethan-1-one
    • Einecs 224-494-2
    • 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

    258147

    Chemical Name 2',4'-Difluoroacetophenone
    Molecular Formula C8H6F2O
    Molar Mass 156.13 g/mol
    Cas Number 348-84-3
    Appearance Colorless to pale yellow liquid
    Boiling Point 95-97 °C at 18 mmHg
    Density 1.204 g/cm3
    Refractive Index 1.504
    Flash Point 109 °C
    Smiles CC(=O)C1=CC(=C(C=C1)F)F
    Solubility In Water Low
    Synonyms 1-(2,4-Difluorophenyl)ethanone

    As an accredited 2',4'-Difluoroacetophenone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 250g of 2',4'-Difluoroacetophenone is packaged in a sealed amber glass bottle, labeled with hazard warnings and product information.
    Shipping 2',4'-Difluoroacetophenone is shipped in tightly sealed containers, protected from moisture and light, as per standard chemical safety protocols. It is typically transported as a liquid or crystalline solid, with appropriate labeling and documentation. Ensure compliance with local and international regulations for hazardous chemicals during shipping and handling.
    Storage 2',4'-Difluoroacetophenone should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizing agents. Keep the chemical away from direct sunlight, moisture, and extreme temperatures. Store at room temperature and ensure proper labeling to avoid accidental misuse or exposure.
    Application of 2',4'-Difluoroacetophenone

    Applications of 2',4'-Difluoroacetophenone in Industrial Manufacturing

    2',4'-Difluoroacetophenone is utilized by specialized producers in targeted organic synthesis applications, specifically within demanding fine chemical and pharmaceutical intermediates supply chains. Our manufacturing experience supports established downstream sectors with strict process integration and compliance needs, as outlined below.

    1. Advanced Pharmaceutical Intermediate Synthesis

    Leading pharmaceutical manufacturers incorporate 2',4'-Difluoroacetophenone as a key aryl building block for the construction of complex active pharmaceutical ingredient (API) scaffolds, such as fluoroaryl ketones and secondary amines, where selective placement of fluorine atoms is critical for bioactivity. This substrate enters targeted Friedel–Crafts acylation and reductive amination steps to introduce difluorinated motifs into potential drug candidates, especially within nonsteroidal anti-inflammatory drugs (NSAIDs) and CNS-active compounds development pipelines. Its use is strictly controlled under validated GMP systems to ensure traceability from raw material to final API.

    Industry compliance standards

    • EU GMP for APIs (EC Guidelines Part II)
    • ICH Q7 Good Manufacturing Practice Guidance
    • US FDA 21 CFR Parts 210/211
    • Chinese Pharmacopoeia ChP 2020 Section 0921 (where applicable)

    Typical usage ratio

    • 5–15 mol% relative to core precursor, depending on synthetic route complexity and desired fluorination profile; process chemists may adjust equivalents based on yield and impurity profiles

    Downstream process integration

    • Introduced at aryl acylation or alkylation steps under controlled temperature and atmosphere, typically following halogen exchange or Grignard activation reactions in multi-kilo API intermediate synthesis lines

    Final product types

    • Difluorinated aryl API intermediates for pharma R&D and bulk production
    • Building blocks for anti-inflammatory and CNS agent series

    2. Agrochemical Active Ingredient Precursors

    Innovators in crop protection chemistry utilize this compound as a core starting material to introduce precise difluorophenyl moieties during the synthesis of specialty agrochemical scaffolds, including selective herbicides and fungicides. Integration focuses on the selective acylation of heterocyclic backbones, ensuring consistent molecular structure crucial for registration and field testing. Quality teams monitor the raw material in accordance with industry-specific batch traceability and purity audit protocols.

    Industry compliance standards

    • FAO Specifications and Codes of Practice for pesticides
    • REACH Registration (EC No. 1907/2006)
    • SANS 10206:2008 for agrochemical manufacturing
    • ISO 9001:2015 Quality Management (process audit trail)

    Typical usage ratio

    • 3–8% w/w based on total reaction mass, fine-tuned according to active ingredient loading targets and downstream formulation requirements

    Downstream process integration

    • Fed into acylation reactors at the controlled pre-condensate stage in the synthesis of diaryl or fluoroaryl ring systems on multi-ton lines at agrochemical plants

    Final product types

    • Organofluorine herbicide intermediates
    • Registered fungicide API precursors

    3. Fragrance and Aroma Intermediate Manufacturing

    Industrial fragrance houses apply 2',4'-Difluoroacetophenone as a precursor for producing fine aroma compounds, particularly where the introduction of difluorinated phenyl profiles enhances olfactory notes and thermal stability in high-end perfumery bases. Its selective reactivity allows tight modulation of ketone and ester notes, responding to the flavor house formulation strategies for both stability and regulatory acceptance.

    Industry compliance standards

    • IFRA Standards (International Fragrance Association)
    • EU Regulation 1223/2009 (Cosmetic Products Regulation)
    • ISO 9235:2013 (Aromatic raw materials)
    • REACH compliance documentation

    Typical usage ratio

    • Up to 2% w/w of total aroma intermediate mass; perfumers establish the ratio according to desired olfactory intensity and legislative limits on fluorinated components

    Downstream process integration

    • Added during key etherification or acylation steps prior to final distillation or fractional crystallization stages, forming stable intermediates for further conversion in aroma ingredient lines

    Final product types

    • Difluorinated aromatic ketones for perfumery
    • Fragrance industrial intermediates for consumer and fine fragrance bases

    4. Specialty Polymer and Resin Modifier Production

    Polymer manufacturers engaged in advanced resin design select this molecule as a reactive chain stopper or side group modifier, introducing enhanced chemical resistance, UV stability, and tailored polarity to specialty acrylics, fluorinated epoxy resins, or performance coatings systems. Its integration occurs under tightly regulated addition intervals within reaction vessels to precisely control final polymer architecture, essential for structural composites and electronics encapsulation materials.

    Industry compliance standards

    • UL 94 (Flammability Safety for polymeric materials)
    • RoHS 2011/65/EU (Restriction of Hazardous Substances in Electronics)
    • ISO 9001:2015 (Polymer manufacturing process QC)
    • ASTM D638 (Polymer tensile properties guidelines)

    Typical usage ratio

    • 0.5–3% w/w as a functional additive relative to base monomer blend; final dosing is driven by target performance metrics including hydrophobicity, dielectric strength, and crosslink density

    Downstream process integration

    • Charged to reaction mix post-initiator addition but prior to initial polymerization exotherm, allowing controlled terminal incorporation or pendant group modification in both batch and continuous lines

    Final product types

    • UV-resistant fluoropolymer resins
    • Electronics encapsulants and adhesives
    • Solvent-resistant specialty coatings
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    More Introduction

    2',4'-Difluoroacetophenone: Precision Chemistry for Today’s Innovators

    Introduction to 2',4'-Difluoroacetophenone

    For over two decades, our team has focused on producing specialty fluoroaromatic compounds with reliable purity and consistency. 2',4'-Difluoroacetophenone stands out as one of the core building blocks for a range of applications in pharmaceutical research and advanced materials development. Over the years, we’ve seen firsthand how small improvements in synthetic routes and raw material selection drive meaningful progress in our partners’ labs. While there are plenty of acetophenone derivatives in the chemical marketplace, our experience with difluorinated variants shows us the value of investing in quality at each stage, rather than rushing to meet volume targets alone.

    Product Model and Physical Characteristics

    Our standard offering of 2',4'-Difluoroacetophenone—often referred to by its CAS number or by systematic names in technical requests—consistently arrives as a free-flowing, colorless to light yellow liquid or crystalline solid. Subtle differences in color hint at purity levels; even trace impurities tend to tint fluoroaromatics noticeably. We monitor every batch closely for clarity and melting point alignment, as these factors affect both yield and downstream reaction control. Customers who opt for material with GC assay above 99% tell us that minimizing unknown peaks saves valuable time during scale-up and method validation. For chemists engaged in research and early process development, reliable melting range and reproducibility count as much as scalp-level purity numbers.

    Significance in Synthesis and Research

    Chemical manufacturing relies on subtle details other sectors rarely notice. 2',4'-Difluoroacetophenone supports a variety of synthetic strategies, notably in medicinal chemistry and agrochemical discovery. The presence of two fluorine atoms on the aromatic ring shifts both electron distribution and metabolic profile of resulting compounds. Substituting hydrogen atoms with fluorine not only stabilizes the aromatic system but also fine-tunes bioavailability, receptor affinity, and even volatility. These benefits show up reliably in patent filings and product launches from innovative labs across the world. At the bench scale, our colleagues appreciate how well this compound integrates into Friedel–Crafts acylations, Suzuki couplings, and nucleophilic substitutions. We focus on delivering consistent product because even minor shifts in fluorine placement or purity impact reaction yields and final compound properties.

    Why Purity Makes a Difference

    Synthetic reliability depends on starting material quality. Over the years, we've fine-tuned production to minimize trace impurities, especially halogenated byproducts or unreacted acetophenone. While occasional buyers might cut corners, our regular customers in regulatory-driven sectors demand close attention to trace analysis. Independent labs have reviewed our chromatograms, in some cases, flagging impurities that don't appear in less thoroughly controlled lots from third-party traders. Our robust quality control program—routine NMR, HPLC and GC-MS analysis along every production lot—reduces risk during process transfer and scale-up. When a customer migrates a promising candidate molecule to pilot or commercial scale, they notice fewer headaches around isolation and purification. It’s not just about passing a spec sheet, but supporting every project with consistent, traceable quality.

    Comparisons: 2',4'-Difluoroacetophenone Against Analogues

    Researchers often compare 2',4'-difluoroacetophenone to its mono-fluorinated or trifluorinated cousins, looking for optimal performance in specific chemical transformations. Single-fluorinated acetophenones, for instance, tend to offer distinct reactivity patterns and slightly different volatility, impacting crystallization and separation processes. Triple-fluorinated compounds provide even higher metabolic stability, but often at greater synthetic cost and with side effects on biological activity. The two-fluorine variant strikes a balance, offering improvements in electron-withdrawing effects and metabolic persistence without the synthetic complexity of heavier fluorination. Beyond the molecule itself, the right choice depends on reaction type—whether it’s arylation, protection group strategy, or selective functionalization. Our chemists provide input on solvent compatibility and downstream isolation based on years of handling each compound family under real-world constraints.

    Sourcing, Scalability, and Traceability in Today’s Supply Chain

    The global landscape for fine and specialty chemicals has changed radically since the start of our business. We’ve weathered disruptions from raw material shortages, evolving environmental regulations, new export controls, and shifting labor logistics. Despite these challenges, we've maintained uninterrupted availability of 2',4'-difluoroacetophenone by qualifying multiple independent precursor streams and building strong relationships with upstream suppliers. Regular audits and batch-to-batch documentation help trace every shipment back to origin. Our production lines run with closed-system protocols that minimize both cross-contamination and emissions, in step with REACH and local environmental expectations. Export paperwork, safety documentation, and customs harmonization matter as much as technical performance for many partners, so we keep complete records updated and accessible. Teams working under GMP or ISO regimes often tour our facility or request third-party inspections, which we gladly facilitate.

    Handling Recommendations from Decades of Experience

    Though readily manageable with common lab precautions, 2',4'-difluoroacetophenone can present challenges during large-scale handling. Our operators manage fume hoods and transfer pumps optimized for fluoroaromatics to minimize exposure risks and ensure long-term stability. We package in high-density polyethylene or glass, not metals, as trace corrosion from long-term exposure can produce unpredictable impurities. Storage below room temperature improves shelf life; sealing containers tightly against air and light protects product from gradual discoloration and hydrolysis. Overexposure to heat or alkaline environments tends to speed decomposition, a lesson learned early in our manufacturing scale-up from pilot to full batch size. Teams repacking bulk material into smaller volumes use self-tested protocols—purging with inert gases and rapid, dry handling. These handling choices become real, practical advantages rather than burdensome obligations as project needs shift and accelerate.

    Feedback Cycles and Value of Open Communication

    Long-term relationships with leading universities and pharma companies taught us the tangible value of detailed feedback. A project often begins with a simple request for pure material, but rarely ends there. Problems can emerge—trace moisture interfering with a Grignard addition, or variance in melting range hampering purification steps. We encourage partners to reach out at the first sign of trouble, and in turn, we’ve reshaped some of our validation steps to tackle unexpected issues shared by real-world users. Whether it’s fine-tuning particle size for suspensions or offering technical consultations on unusual solvent systems, we see ongoing support not as a sales add-on but as the foundation of lasting collaboration. By updating specifications and shipping protocols based on field feedback rather than internal hunches, we reduce headaches and build confidence.

    Environmental Commitment and Safety Culture

    Sustainability means more than environmental compliance paperwork to us. By minimizing solvent consumption, recycling washwaters, and capturing volatile byproducts, we operate cleaner than broad-brush regulations demand. Several years ago, our team invested in vapor recovery and incineration systems specifically designed to handle halogenated volatiles, aligning our processes with future-facing green chemistry ideals. Our safety culture reflects lessons learned; each year, we retrain production staff on safe handling, containment, and spill response for fluorinated compounds. This diligence pays off in both environmental footprint and accident prevention. We take these responsibilities seriously because families in our region rely on safe water and air as much as anyone else’s. The benefits of an improved process extend past our factory gates to every partner and community we serve.

    Current Challenges and Forward-Looking Solutions

    Fluoroaromatic production presents unique hurdles in waste management, emissions, and regulatory reporting. Global standards grow stricter each year; persistent organofluorine compounds attract growing scrutiny from environmental scientists. From our perspective, real solutions start in the lab, not in the compliance office. We continually update our manufacturing train to improve separation and capture of trace residues, both for regulatory compliance and for genuine environmental protection. The landscape is still evolving, but we monitor new studies, participate in industry working groups, and support early-stage research into degradable fluorinated intermediates. As options develop, such as greener fluorination techniques and bio-based starting materials, we closely evaluate pilot results before bringing changes to full production. Unlike many trading houses or virtual suppliers, we steward not only product quality but also its impact across the full lifecycle.

    Real-World Applications: From Discovery to Scale

    Medicinal chemistry teams use 2',4'-difluoroacetophenone to construct a range of bioactive molecules, investigating downstream transformation into diverse therapeutic agents. The pharmaceutical trend toward late-stage functionalization of complex scaffolds has only increased the value of reliable, high-purity fluoroaromatics. Advanced materials scientists, especially those working on optoelectronic polymers, rely on difluorinated intermediates for creating stable, high-performing films and coatings. Analytical chemists benefit from clear chromatographic signatures, which simplify both detection and quantification in trace-level analyses. Agrochemical innovation, too, draws on the unique properties of difluorinated building blocks for next-generation crop protection and growth regulation. In each use case, product quality impacts not just synthesis efficiency but also final product stability and safety; even tiny differences in impurity profiles can shift shelf life or regulatory status.

    Collaboration Across Borders and Markets

    Mainstreaming of global supply chains has re-emphasized the importance of communication and compliance. Customers in Europe expect alignment with REACH regulations and detailed impurity documentation. North American groups focus on process safety and transport hazard classes, while Asian partners often prioritize rapid lead times and robust supply contracts. Over the years, we’ve built relationships across sectors, learning to manage not just production but import-export controls, language differences in technical data, and varying expectations around documentation. Our multilingual technical staff supports end users directly, advising on regulatory filings, risk assessment, and local standards wherever the product is shipped. We’ve sometimes customized documentation based on the regulatory history of a given application area, never assuming a one-size-fits-all approach fits a changing world.

    Investing in Technology and Transparency

    Modern chemical manufacturing draws on digital tracking, in-process monitoring, and cloud-based batch records far beyond what our industry considered the norm even a decade ago. We employ traceability down to the container level. Sometimes, when a customer flags an issue weeks after delivery, we can trace the exact production line, operator, and analytical batch to identify any root cause quickly and transparently. Not every issue comes back to production; sometimes, it’s in transport or in the details of customer storage. Open communication, backed by accessible records, closes gaps before small variances balloon into real setbacks. Real-time production data, automated impurity profiling, and digital labeling keep everyone—from the bench chemist to the compliance officer—on the same page. Transparency and quick problem-solving keep projects moving, rather than sidelined by uncertainty or delays.

    Conclusion: Our Perspective as a Manufacturer

    Behind every specification, certificate, and datasheet, years of manufacturing experience bring out what truly matters: trust, accountability, and lasting value for partners who depend on 2',4'-difluoroacetophenone as more than just another commodity. From early-stage research to complex process scale-up, our ongoing commitment to product quality enables customers to pursue breakthroughs without unexpected setbacks. In a marketplace crowded by generic offerings and inconsistent supply, our team works daily to provide not only compounds but solutions—shaped by real feedback, refined by experience, and guided by our responsibility to both progress and sustainability. This hands-on, detail-aware approach shapes our future as much as it supports every scientist and engineer who relies on our products to drive discovery forward.