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3,4-Difluorobenzophenone

    • Product Name 3,4-Difluorobenzophenone
    • Alias DFBP
    • Einecs 252-029-4
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    603552

    Productname 3,4-Difluorobenzophenone
    Casnumber 450-89-1
    Molecularformula C13H8F2O
    Molecularweight 218.20
    Appearance White to off-white crystalline powder
    Meltingpoint 73-75°C
    Boilingpoint 332.6°C at 760 mmHg
    Density 1.233 g/cm³
    Solubility Slightly soluble in water, soluble in organic solvents
    Purity Typically ≥98%
    Smiles C1=CC=C(C=C1)C(=O)C2=CC(F)=C(F)C=C2
    Inchi InChI=1S/C13H8F2O/c14-10-6-7-12(8-11(10)15)13(16)9-4-2-1-3-5-9

    As an accredited 3,4-Difluorobenzophenone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle containing 25 grams of 3,4-Difluorobenzophenone, sealed with a secure cap; labeled with hazard and identification details.
    Shipping 3,4-Difluorobenzophenone is typically shipped in tightly sealed containers made of compatible materials to prevent leaks and contamination. It should be transported according to regulations for hazardous chemicals, kept cool, dry, and away from sources of ignition. Proper labeling and documentation are required to ensure safe handling during transit.
    Storage 3,4-Difluorobenzophenone should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from incompatible substances such as oxidizing agents. Keep it protected from light and moisture. Store at room temperature or as recommended by the manufacturer, ensuring the storage area is clearly labeled and access is restricted to authorized personnel.
    Application of 3,4-Difluorobenzophenone

    Applications of 3,4-Difluorobenzophenone in Industrial Manufacturing

    As a direct manufacturer of 3,4-Difluorobenzophenone, we support multiple advanced sectors with consistent supply, technical expertise, and batch traceability. Below, we detail real-world downstream applications where our material provides critical performance advantages and meets demanding compliance requirements.

    1. High-Performance Polyetheretherketone (PEEK) Synthesis

    Major engineering plastics producers use 3,4-Difluorobenzophenone as a key monomer in specialty PEEK resin formulations, targeting controlled structure and reproducible mechanical properties. During the high-temperature polycondensation, skilled compounding engineers introduce the material at precise stages to control molecular weight and optimize the final product’s crystallinity, chemical resistance, and mechanical thresholds. Our production supports customers’ need for lot-to-lot consistency and clean supply chains for regulated markets such as automotive, aerospace, and electronics.

    Industry compliance standards

    • ISO 9001:2015 certified quality management systems
    • ASTM D6262: Standard for unreinforced and reinforced PEEK
    • UL 94 for flame retardance of finished plastic components
    • REACH Annex XIV—Regulation on Substances of Very High Concern

    Typical usage ratio

    • 18–24% by weight relative to total dihalide content for copolymer formulations; exact amount determined by stoichiometry and desired polymer backbone structure

    Downstream process integration

    • Charged into the autoclave or polymerization reactor alongside bisphenol and comonomers
    • Feeds directly at the initial charge phase to ensure homogenous incorporation
    • Monitored for purity to prevent off-color and low molecular weight fractions
    • Typically dissolved in dipolar aprotic solvents for controlled reactivity

    Final product types

    • High-modulus extruded PEEK rod and sheet
    • Injection-molded PEEK gears and bushings for aerospace
    • Medical device components (excluding implantable applications)
    • PEEK-based wire insulation for high-temperature electronics

    2. Liquid Crystal Polymer (LCP) Intermediates

    3,4-Difluorobenzophenone functions as a core aromatic building block for specialty LCP manufacturers seeking stable intermediates for thermotropic polymer production. The material’s difluoro substitution profile allows custom synthesis of advanced mesogenic cores, which imparts thermal and chemical resistance in molded parts. Compliance with process and product documentation is strictly enforced, especially for electrical and electronic applications supplied to global original equipment manufacturers.

    Industry compliance standards

    • IEC 61249-2-21 for halogen levels in printed circuit substrates
    • RoHS 2011/65/EU compliance for restricted substances in E/E equipment
    • JIS K6920 for LCP physical property testing
    • ISO 14001:2015 for environmental management through supply

    Typical usage ratio

    • Up to 15% by mole within total aromatic ketone fraction; adjusted based on desired melting point and flowability of the LCP

    Downstream process integration

    • Introduced during the aromatic monomer blend phase under nitrogen
    • Integrated by direct addition to polycondensation batches for intermediate synthesis
    • In-process monitoring via NMR and GPC for functional group integrity
    • Residue analysis and impurity tracing for regulatory shipments

    Final product types

    • LCP pellets for precision injection molding
    • High-frequency film stock for electronic substrates
    • Connector housings for automotive electronics
    • Miniaturized relay bases for telecom

    3. Pharmaceutical Intermediate Synthesis

    Active pharmaceutical ingredient (API) manufacturers utilize 3,4-Difluorobenzophenone as a key intermediate in the synthesis of selective benzophenone-based pharmacophores. The substitution pattern provides a foundation for subsequent site-specific reactions, including reductive aminations and acylations, tailored for non-cytotoxic, non-implanted drugs. Raw material traceability and documentation for each shipment comply with rigorous pharmacopeial standards, and GMP records accompany every high-purity batch shipped for direct integration into process chemistry units.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • EU GMP Part II for API intermediates
    • USP-NF monographs for fluorinated benzoic derivatives (where applicable)
    • 21 CFR Part 211 for finished pharmaceuticals

    Typical usage ratio

    • Stoichiometric equivalent to downstream target moiety—typically between 1.0 and 1.2 molar equivalents per batch cycle, dictated by specific API synthesis pathway

    Downstream process integration

    • Charged during multi-step organic syntheses for functionalization or aromatic substitution
    • Handled in controlled environments to prevent cross-contamination with non-GMP streams
    • Assayed for residual solvents and related substances per pharmacopeial methods
    • Packaged in export-grade liners to pharmaceutical contract manufacturers

    Final product types

    • Benzophenone-derived antihistamine intermediates
    • Advanced-stage anti-inflammatory API intermediates
    • Non-steroidal aromatic pharmaceutical scaffolds
    • Manufacturing intermediates for clinical trial reference compounds

    4. Specialty Photo-Initiator Compounding

    Leading producers of UV-curable resins and coatings select 3,4-Difluorobenzophenone to engineer new classes of photoinitiators, especially for high-selectivity applications in microelectronics and optical coatings. The difluoro-substituted moiety enhances absorption at targeted UV wavelengths, enabling formulation of initiators compatible with advanced inkjet and patterned cure systems. Quality control teams support compliance with occupational safety and environmental restrictions during manufacturing and application, while technical services assist with on-site scale-up trials and analytical method validation.

    Industry compliance standards

    • OSHA 29 CFR 1910 for workplace chemical exposure control
    • EN 71-3 for potential migration of photoinitiators in coated toys
    • Directive 2004/42/EC: VOC emissions limits for paints and varnishes
    • ISO 9001:2015 batch traceability

    Typical usage ratio

    • 5–20% by mass within the photoinitiator composite; varies according to end-use formulation and required UV absorption peak

    Downstream process integration

    • Dissolved in reactive diluents prior to final photoinitiator synthesis
    • Integrated into proprietary catalyst blend for resin batch compounding
    • Performance-checked with spectral transmission and photo-curing trials
    • Purity and particle size monitored for pigment-free or clear applications

    Final product types

    • Photo-curable solder masks for PCB manufacturing
    • Inkjettable UV-cure inks for digital printing on plastic films
    • Optical hardcoats for display panels
    • UV-set adhesives for medical device assembly

    5. Advanced Agrochemical Synthesis

    R&D and pilot plants in the agrochemical sector use 3,4-Difluorobenzophenone as a starting material for fluorinated phenyl ring systems within select herbicide and pesticide molecule classes. Chemists employ it in substitution and ring-opening reactions to achieve target bioactivity and metabolic stability profiles. All supplied material is accompanied by safety and environmental documentation in line with international crop chemical regulations, with assured purity levels to minimize byproduct formation during scale-up and commercial manufacture.

    Industry compliance standards

    • FAO/WHO: Specifications for plant protection products
    • US EPA 40 CFR Part 180 for tolerance exemptions in food crops
    • REACH Annex XVII for intermediates with restricted groups
    • ISO 17025: Lab verification of active ingredient content

    Typical usage ratio

    • Varies 0.5–2.0 equivalents based on downstream synthesis; typically in multi-gram to kilogram per batch for intermediate production

    Downstream process integration

    • Added at controlled temperature in phenylation or Friedel-Crafts acylation steps
    • Interfaced into pilot syntheses for targeted molecular scaffolding
    • Subjected to multi-stage purification before formulation as active ingredient
    • QC monitored by LC-MS for trace fluoroaromatic byproducts

    Final product types

    • Fluorinated herbicide intermediates
    • Pesticide intermediates for specialty targets
    • Building blocks for proprietary agrochemical discovery programs
    • Precursors in combinatorial synthesis for crop protection libraries
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    Certification & Compliance
    More Introduction

    Introducing 3,4-Difluorobenzophenone: Insights from the Manufacturer

    Understanding the Backbone of 3,4-Difluorobenzophenone Production

    Working daily in the chemical industry, there’s a direct connection between hands-on manufacturing and the real-world performance of our products. 3,4-Difluorobenzophenone, produced in our facility, has demonstrated stability and reliability batch after batch. This means not just meeting listed purity numbers, but making sure the product consistently fits the operational needs of pharmaceutical, agrochemical, and materials industries. Years spent perfecting crystallization conditions, optimizing solvent schemes, and scaling reactors all influence the quality that ultimately arrives at your site.

    Model and Specifications: What Sets This Product Apart

    The typical form you’ll see is a white or off-white crystalline powder, with a molecular formula of C13H8F2O and molecular weight of 218.20. With purity routinely 98% or greater, it moves seamlessly through stringent quality checks in our internal lab. Conversion rates, impurity profiles, and moisture control all reflect the hours spent calibrating process controls and checking every feedstock batch. These factors influence not just yield, but also the functional value during synthesis or formulation. Chemical stability against light and air, minimal odorous by-products, and low heavy metal contaminants set results apart from generic intermediates.

    Pack sizes have emerged over time in direct response to customer trials and feedback. Five-kilogram and twenty-five-kilogram lined fiber drums address most process needs, with secure inner lining that prevents cross-contamination during transit. Sometimes smaller lots leave our facility after further purification or micronizing, shaped by specialty applications in medicinal research or material sciences. Handling requirements and particle size control emerge not as abstract promises, but from constant dialogue with safety profiles and end-user plant operators.

    Process Insights: How Real-World Manufacturing Shapes Quality

    Manufacturing 3,4-Difluorobenzophenone starts with direct interaction between raw material suppliers and in-house staff. Benzoylation reactions, strictly surveyed temperature profiles, and real-time analytical checks become just as important as anyone’s published synthetic route. Purer starting fluorobenzenes yield cleaner final products, but they can present sourcing and storage challenges. Reactors, sometimes glass-lined, sometimes stainless steel, handle subtle challenges with heat transfer and agitation, and it’s in that familiarity with daily variables where practical improvements emerge.

    We use in-line HPLC and NMR screening to spot deviation early, not after a finished lot leaves the plant. Tracking the conversion of key intermediates, it’s possible to predict coming issues with residual solvents or unexpected fluorinated by-products. Products that pass lab testing but fail in end-use haunt every experienced manufacturer, so reliability is treated as a process outcome, not just a target on a checklist. Storage conditions in our warehouse mean more than room temperature statements on a datasheet—ventilation and humidity play a part, and the final delivered product reflects care taken at every link.

    Different Roles in Chemical Synthesis and Industry

    3,4-Difluorobenzophenone stands out most in use as an intermediate in pharmaceutical and fine chemical synthesis. Medicinal chemists rely on its difluorinated ring for introducing fluorine atoms—the game-changing modification in drug development, boosting metabolic stability and altering pharmacokinetic profiles. From our end, every kilogram must meet tighter specs as new API pipelines demand unpredictable new transformations. Minute changes in byproduct profile can shift synthetic outcomes, especially as more complex molecules get built on top of this core.

    Contract research groups and formulators in agrochemicals see similar value. Difluorinated aryls like this bring significant benefits in the search for new crop protection agents. Some focus on exploiting electronic effects, others care more about improved lipophilicity, all traceable back to this compound’s chemical design. Our staff get questions about compatibility with downstream halogenation or cross-coupling steps, highlighting that practical understanding links the workbench to the field.

    Reliability and the Difference Between Manufacturer and Trader

    Every batch we send out carries traceable lot records from starting material to finished product. As a manufacturer, concerns about impurity profiles or variable supply cut deeper; we’ve seen plenty of intermediate users struggle when faced with batch-to-batch differences arrived from brokers or multiple sources. Customers counting on reproducibility need clear origins, and feedback from their processes helps shape future runs. For example, issues with reactivity have driven us to tighten controls on moisture content and to sharpen our purification steps, even at the cost of lower throughput.

    Unlike traders who move volume and price, we answer to analytical reports and downstream function. If a kilo leaves our line showing minor spectral deviation, we pull the lot and rework, swallowing cost rather than spend goodwill. This is not theoretical good practice; mistakes come to bear quickly in this line of work, and continual improvements reflect lessons learned under pressure. Feedback from R&D and kilo-scale campaigns further drive which aspects we optimize, such as reducing residual color or eliminating low-level by-products that traders often overlook.

    Specification and Analytical Depth

    Specifications matter most as they translate into reliable operations for clients. We measure and publish melting point, assay by HPLC, and water content using Karl Fischer titration. Results revealing even minor outliers trigger reviews before product leaves the warehouse. Solvent storage impacts absorption, so routine stability and storage studies guide our warehouse design and packaging protocols. Certificates of analysis provide a snapshot, but our internal process documentation runs deeper, from each reactor operation to every long-term stability test.

    Impurity identity and limits define our confidence level. Fluoroaromatic chemistry often brings trace hydrodehalogenation by-products, and experience has taught that even low levels will change outcomes, especially under strong conditions like those found in Suzuki or Buchwald cross-coupling reactions. Regular NMR and GC-MS screens catch these, and adopting more sensitive LCMS procedures over the years came from dealing directly with process deviations reported by formulators. End users want to avoid delays from purification or failures in coupling efficiency, and our approach responds to these specific concerns rather than broad application claims.

    How Our Manufacturing Responds to End-User Feedback

    Direct communication with users has driven countless small adjustments over time. Some asked for tighter control over particle size, leading to investments in better micronization and screening equipment. Others challenged us on residual solvents, so we adopted longer vacuum drying and expanded gas chromatography checks. When fine chemical partners flagged differences in solid-state appearance between batches, we traced it back to a change in crystallization conditions and reverted to proven protocols. Our workplace culture stresses not just documentation, but immediate action, drawn from urgent requests and production realities.

    Every successful batch comes from recognizing the unspoken differences between an intermediate and a commodity. Each kilogram reflects the feedback and troubleshooting that spins from the user’s bench back to the reactor floor. Sometimes clients require full traceability or demand new analytical reports as part of regulatory filings; experience has shown that meeting these requests sharpens our processes, not just our paperwork. This feedback cycle has pushed our product definition closer to end-use needs, with direct consequences for our floor staff and our customers.

    Regulatory and Safety Realities: More Than Compliance

    Compliance has never acted as a one-time hurdle; it shapes daily work. Regions importing this compound often ask for supporting documentation—such as detailed impurity reports for pharmaceutical applications or REACH registration summaries for Europe. The movement toward more transparent reporting brings pressure, but also fosters better dialogue between our technical teams and external review bodies. Every document submitted is matched to internal production logs and certificate histories to ensure nothing is overlooked.

    Safety practices—from proper venting in the reactor bay to mandatory PPE and batch record audits—flow to our clients as predictability and security. Over years of meeting external audits, we’ve turned these regulatory markers into embedded culture rather than administrative tasks. This builds confidence, both internally and down the supply chain, as more customers incorporate our information into their own compliance and environmental documents.

    Comparing With Other Benzophenone Derivatives

    Several benzophenone derivatives sit on the chemical market, each offering distinct reactivities and action profiles. Fluorinated types, such as 3,4-Difluorobenzophenone, set themselves apart not just in price, but in the electronic and steric effects they bring to subsequent synthesis. Fluorine alters the physical and chemical behavior of the core benzophenone, impacting the activation energy required for certain substitutions and the stability of resulting products. We see greater demand in custom syntheses where these fluorine atoms influence biological activity or material properties—far beyond what’s possible with unsubstituted benzophenone.

    Our experience with other derivatives, like 2,4- or 4,4'-difluorobenzophenone, shows that subtle shifts in substitution pattern make real differences in outcomes. Each one responds differently to reductive or nucleophilic attack, and small changes in reactivity have led to modifications in our production strategy and purity assessments. For example, ortho-fluorine positions sometimes introduce more reactivity challenges compared to the para/meta positions of 3,4-difluorobenzophenone. Over years of producing a wide range of these intermediates, tracking how substitution changes crystallinity, melting point, or processability for end users became second nature.

    Product Applications: Practical Experience in the Lab and Field

    Having worked directly with clients in both pharmaceuticals and agrochemicals, the recurring theme is the demand for reproducibility. Research in fluorine chemistry continues to grow; more companies are investing in difluorinated scaffolds to chase improvements in efficacy or patent spaces. 3,4-Difluorobenzophenone often shows up in early-stage library syntheses, where process reliability, color, and baseline purity can affect project direction within days. There’s no hiding subpar lots—clients share yield drops and spectral inconsistencies quickly, prompting us to trace each concern down to individual drum numbers and reactor logs.

    Industrial clients have expanded uses into advanced polymers and specialty chemicals, especially those exploiting the unique thermal properties of fluorinated aromatics. Material scientists find value in fine-tuning the electronic environment imparted by the fluorine substituents. Our batches support these efforts with controlled analytical profiles that resist yellowing or degradation during processing. These demands led our R&D to refine both our quality control protocols and storage procedures, ensuring results on the bench reflect what is produced at scale.

    Supply Chain and Long-Term Reliability

    Delivering 3,4-Difluorobenzophenone in a competitive market involves far more than filling orders. Feedback from regular customers made it clear: shifting quality or shipment time disrupts months of R&D or production planning. Understanding this, our procurement teams form long-term partnerships with upstream suppliers of fluorinated aromatics, favoring those with reliable track records over opportunistic spot purchases. This guards our process against fluctuations in supply or abrupt raw material quality changes.

    On the logistics end, we choose steady transit partners and invest in packaging that mitigates cross-contamination or moisture ingress, learning from past isolated failures. Adaptations include using moisture-barrier liners and adding field tests of delivered product quality. Our sales teams work closely with production to project volumes, avoiding the panic and cut corners that sometimes pop up with resellers under pressure. Reliability comes from the day-to-day work of checking, not just from formal commitments.

    Responding to Industry Evolution

    Industry expectations evolve, and so do our approaches. Increased scrutiny on trace contaminants, regulatory requests for complete disclosure, and new focus on green chemistry approaches push manufacturers to rethink traditional synthesis routes. Over the last five years, we invested in reengineering certain stages of 3,4-Difluorobenzophenone production—replacing hazardous solvents, upgrading wastewater treatment, and checking lifecycle impacts beyond the factory gate. These shifts haven’t just responded to direct mandates, but also to value requests from partners building end-products that face their own set of environmental requirements.

    Practical advances, such as improved filtration or greener reagent selections, require ongoing training and adaptation by technicians and chemists. Our staff gain experience with every campaign and integrate learnings into process documentation and SOPs. This shapes a product that speaks to modern application and regulatory realities, remaining relevant as expectations and applications shift.

    Challenges and Solutions Seen in Daily Operations

    Every plant manager, purchasing agent, or chemist faces obstacles: cost swings, market disruptions, technical setbacks, or unplanned maintenance. Our experience underscores the need for flexibility blended with technical rigor. During periods when upstream costs of fluorinated aromatics spike, we draw on long-term contracts and strategic stockpiling to buffer against abrupt swings, leveraging direct connections with suppliers. Sometimes, forced by regulatory shifts, we pivot to alternate purification steps, investing in new equipment to speed scale-up without quality loss.

    Traders may look for quick turnarounds and best deals, but from a manufacturer’s point of view, the real work happens before and after the order leaves the line. Troubleshooting why a customer in one country saw a difference in spectral data—tracing it back to storage or transport—drives quality changes that stick. Open feedback from users shapes both short-term fixes and longer-term R&D goals. This ongoing loop between bench, plant, and field creates a product record visible not only in documents, but in successful customer outcomes and honest after-sales support.

    Final Thoughts: The Real Value of Direct Manufacturing

    From sourcing raw materials to running purification trains and final inspection, the path to a solid, reliable 3,4-Difluorobenzophenone reflects a manufacturer’s mindset. Every analyst, engineer, and operator knows there’s more riding on each batch than just meeting technical specs or delivery deadlines. Experience has built a product that not only travels, stores, and processes well for clients; it also adapts alongside the evolving challenges facing chemical industries worldwide. This commitment sets our 3,4-Difluorobenzophenone apart in ways that abstract descriptions or standard product codes can’t measure.