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2,4-Difluorobenzoic Acid Hydrazide

    • Product Name 2,4-Difluorobenzoic Acid Hydrazide
    • Alias DFBA hydrazide
    • Einecs 261-961-6
    • 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
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    Specifications

    HS Code

    368171

    Product Name 2,4-Difluorobenzoic Acid Hydrazide
    Cas Number 17830-22-9
    Molecular Formula C7H6F2N2O
    Molecular Weight 172.13
    Appearance White to off-white solid
    Melting Point 177-180°C
    Solubility Slightly soluble in water; soluble in common organic solvents
    Purity Typically ≥98%
    Storage Conditions Store at room temperature, in a tightly closed container
    Synonyms 2,4-Difluorohydrazinobenzoic acid
    Smiles C1=CC(=C(C=C1C(=O)NN)F)F
    Inchi InChI=1S/C7H6F2N2O/c8-4-1-2-5(7(12)11-10)6(9)3-4/h1-3H,10H2,(H,11,12)
    Hazard Statements May cause skin and eye irritation
    Application Intermediate in pharmaceutical and agrochemical synthesis

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

    Packing & Storage
    Packing 2,4-Difluorobenzoic Acid Hydrazide, 5 grams, supplied in a sealed amber glass vial with tamper-evident cap, clearly labeled.
    Shipping 2,4-Difluorobenzoic Acid Hydrazide is securely packaged in sealed containers to prevent contamination and moisture exposure. It is shipped according to appropriate chemical transport regulations, typically via ground or air, with clear labeling and accompanying safety documentation. Handling instructions and hazard information ensure safe and compliant delivery to laboratories or industrial customers.
    Storage 2,4-Difluorobenzoic Acid Hydrazide should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from sources of ignition, moisture, and incompatible substances such as strong oxidizing agents. Avoid exposure to direct sunlight. Recommended storage temperature is typically room temperature (15-25°C). Ensure appropriate labeling and access is restricted to trained personnel.
    Application of 2,4-Difluorobenzoic Acid Hydrazide

    Applications of 2,4-Difluorobenzoic Acid Hydrazide in Industrial Manufacturing

    2,4-Difluorobenzoic Acid Hydrazide serves as an advanced intermediate in a range of specialized chemical processing industries. Its unique difluoroaromatic hydrazide structure supports formulation needs in high-value sectors that require tight process controls and adherence to industry-specific quality requirements. Below, we detail focused application scenarios with practical information relevant to industrial users across regulated downstream segments.

    1. Active Pharmaceutical Ingredient (API) Synthesis

    Leading pharmaceutical manufacturers use this intermediate in the synthesis of certain heterocyclic API structures, especially within antifungal and anti-infective agent development. The material supports hydrazinolysis and condensation reactions in the scale-up of clinical trial batches, requiring precise handling to meet GMP expectations.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • US FDA 21 CFR Part 211 (cGMP for Finished Pharmaceuticals)
    • European Pharmacopoeia (current edition, relevant monographs)
    • Chinese Pharmacopoeia 2020 (where applicable)

    Typical usage ratio

    • 5–18% by mole in the aromatic hydrazide conversion step, adjusted according to batch scale and target ring system; stoichiometry varies by the type of coupling partner and solvent system used

    Downstream process integration

    • Introduced after initial benzoic acid functionalization; participates in controlled condensation with aldehydes or diketones at 60–95°C; purified by solvent crystallization and direct filtration before downstream derivatization

    Final product types

    • Triazole-based antifungal APIs
    • Pyridazine and tetrazole pharmaceutical intermediates
    • Key intermediates for oral solid dosage clinical batches
    • Chemical reference standards for analytical laboratories

    2. Agrochemical Intermediate Production

    Formulators in crop protection rely on this difluorinated hydrazide as a building block in selective herbicide and fungicide synthesis. Downstream agrochemical plants employ it for introducing difluoro moieties to achieve improved biological activity and selectivity against target pest species.

    Industry compliance standards

    • FAO/WHO Specification Guidelines on Pesticide Technical Grade Active Ingredients
    • ISO 9001:2015 Quality Management Systems
    • REACH Regulation (EC) No 1907/2006 for chemical registration
    • Chinese Ministry of Agriculture GB/T 1604-2009 (Agrochemical Intermediates)

    Typical usage ratio

    • 8–20% by molar ratio at the hydrazide introduction step during pre-final coupling; field application product concentration determined after full synthesis

    Downstream process integration

    • Charged into the reaction after completion of aryl halide substitution; employed during cyclization and etherification at 80–105°C under nitrogen; completed batch subjected to in-line HPLC purity verification

    Final product types

    • Difluoro-substituted triazole fungicide actives
    • Herbicidal intermediates for rice and wheat protection
    • Precursor compounds for seed treatment agents
    • Bulk technicals supplied to formulators and repackers

    3. Specialty Dye and Pigment Manufacturing

    Innovators in the performance dye sector utilize the hydrazide group’s reactivity to enable introduction of fluorine atoms within advanced azo and diazo dye frameworks. The controlled difluorination improves hue intensity, light fastness, and resistance to chemical bleaching, essential for high-grade plastic and textile coloration.

    Industry compliance standards

    • Oeko-Tex Standard 100 (class II, III, IV for textiles and plastics)
    • REACH Annex XVII (restrictions for azo dyes)
    • ETAD Code of Ethics for producers of organic colorants
    • DIN EN ISO 105 (Textile color fastness series)

    Typical usage ratio

    • 3–15% relative to total chromophore precursor; proportion chosen according to shade depth, light fastness requirement, and dispersibility in resin or fiber substrate

    Downstream process integration

    • Entered after pre-coupling the main aromatic amine; reacts under alkaline conditions at 75–85°C; followed by diazotization and subsequent coupling with coupling components before milling and standardization

    Final product types

    • Fluorinated azo dyes for synthetic fibers
    • High-performance yellow and orange diazo pigments for plastics
    • UV-stable textile dispersions
    • Masterbatch colorants for automotive interior parts

    4. Fluorinated Polymer Additive Synthesis

    Manufacturers producing specialty polymers and copolymers use this intermediate for introducing difluorinated aromatic hydrazide groups, which enhance thermal resistance and chemical durability of the final materials. This approach supports the production of performance coatings, engineered composite matrices, and advanced fluorinated films.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems
    • ASTM D638/ISO 527 (Polymer tensile properties)
    • RoHS Directive 2011/65/EU for electronic component safety
    • UL 94 (flammability rating for polymer materials)

    Typical usage ratio

    • 1–6% by weight in the monomer feed; adjusted for target thermal and mechanical property profile of the copolymer blend

    Downstream process integration

    • Added post-basic monomer synthesis during polycondensation; processed under vacuum at 120–180°C, with molecular weight monitored by GPC; incorporated ahead of thermoplastic extrusion or casting

    Final product types

    • Fluorinated polyimide films
    • Thermally stable polyurethane elastomers
    • High-durability resin blends for industrial coatings
    • Composite binder resins for fiber-reinforced plastics

    5. Diagnostic Chemical Reagent Manufacturing

    Diagnostic reagent producers incorporate the difluorobenzoic acid hydrazide into labeled probe development as part of targeted assay kits and analytical standards. Its functionality allows for efficient attachment of fluorophores or radiolabels required in high-specificity bioassay systems for clinical and research use.

    Industry compliance standards

    • ISO 13485:2016 Quality Management Systems for medical devices
    • European IVDD 98/79/EC for in vitro diagnostics
    • US 21 CFR Part 820 (Quality System Regulation for Diagnostics)
    • Good Laboratory Practice (GLP) OECD principles

    Typical usage ratio

    • 0.5–5% by weight in probe labeling formulations; proportion depends on assay sensitivity and conjugation yield requirements

    Downstream process integration

    • Applied in the conjugation step with active amine or carboxyl functionalized probes; reaction occurs at 20–30°C under buffered aqueous conditions; followed by purification using size-exclusion chromatography

    Final product types

    • Fluorinated diagnostic reagent standards
    • Enzyme-labeled immunoassay probes
    • Research-use only (RUO) chemical tag kits
    • Calibration materials for clinical instrument manufacturers
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    Certification & Compliance
    More Introduction

    Introducing 2,4-Difluorobenzoic Acid Hydrazide: Purpose-Built Chemistry for Real-World Demands

    Drawing from Years of Manufacturing Experience

    Not every chemical makes it out of the lab and into full-scale production. The journey from discovery to regularly supplying a compound, batch after batch, doesn’t reward shortcuts. It rewards reliability and deep familiarity with process, safety demands, and evolving application landscapes. This is how we approach every kilo of 2,4-Difluorobenzoic Acid Hydrazide that leaves our facility—a material engineered with precision and managed under strict quality controls, not just because the Certificate of Analysis demands it, but because the users of this compound rely on exact consistency to do their jobs right.

    Real Specifications, Right Down to the Smallest Detail

    Producing high-purity specialty chemicals isn’t glamorous work. Each reaction run to obtain 2,4-Difluorobenzoic Acid Hydrazide draws on a combination of skilled workforce and carefully sourced starting reagents. Impurities aren’t just numbers on a spreadsheet: they translate directly to how a final product behaves in a synthesis or in a client’s intermediate. That’s one lesson we learned after years of seeing how even trace inconsistencies in a batch carry right through downstream applications, particularly in pharmaceutical research, where this hydrazide often forms a vital building block.

    The identity of this molecule—two fluorine atoms locked to a benzoic acid core, paired with a hydrazide functional group—delivers distinct advantages. Our teams control isomer ratios, water absorption rates, and metal content. Chasing down issues, right back to how raw materials are stored or filtered, lets us guarantee users avoid surprises during analytical and preparative steps.

    Usage Rooted in the Realities of R&D and Production Labs

    Most buyers come to us with a plan for their 2,4-Difluorobenzoic Acid Hydrazide: typically as an intermediate in synthesizing heterocyclic compounds, active pharmaceutical ingredients, and specialty agro-chemicals. The hydrazide moiety opens up versatile pathways—forming hydrazones, for instance, or driving the creation of new triazoles and pyrazoles. Our role sits at the upstream of their innovation process. From conversations with research teams at pharmaceutical companies and academic institutions alike, we hear about their need for reliable, responsive supply chains. Their screening programs aren’t chained to theoretical purity; they rely on tight reproducibility, so every batch interacts as expected with their other reagents and catalysts.

    Manufacturing this class of compound presents persistent challenges most end-users never see. The main one comes from the dense reactivity and selectivity issues during hydrazinolysis, as well as the volatility of fluorinated intermediates. Handling this synthesis on a scale bigger than small-lab glassware demands process design, robust temperature control, and air quality management—not something anyone can just scale up in a fume hood. Solubility becomes a factor, too. We regularly adjust the work-up and drying protocol to catch any residual solvent, moisture, or unwanted side products, which means cleaner, more predictable performance in actual use.

    Separating Ourselves from Commodity-Grade Offerings

    The chemical supply market is full of variations—even for the same listed name. Sourcing differences shape practical outcomes, not just certificate values. Over the years, we’ve reviewed samples from outside suppliers that, while superficially meeting specification, underperform in sensitive transformations or bring in trace metals that poison customer catalysts. The difference between our 2,4-Difluorobenzoic Acid Hydrazide and bulk commodity grades isn’t just who sold it, but how every step was controlled, from receipt of precursors, through filtration, drying, and final packing.

    Overcoming fluorine-handling challenges in our network of reactors has forced our teams to develop cleaning protocols and raw material evaluation systems most traders never see. The pure, white to off-white crystalline powder we supply comes with an assurance: every kilogram reflects a set of manufacturing steps designed specifically for this chemical’s needs, rather than a lowest-bid, fill-the-barrel approach. Our plant personnel work alongside analytical teams to spot trends, catch process shifts early, and continually reduce exposure risks to both workers and end-users. That’s something only hands-on manufacturing experience delivers.

    Why Process Control Really Matters

    Many vendors talk about purity, but what research chemists and developers want is repeatable reactivity. Over our years producing this hydrazide, we’ve received feedback that shelf-life, stability, and freedom from cross-contaminants shaped more patent applications and launched more screening campaigns than any single analytical parameter. The packaging process ends in a dry room with low humidity, and each container’s tamper-evident seal answers to a real production story: trained operators, up-to-date equipment, facilities certified to the right standard.

    Trace elements—especially silica, organics, and metals—can torpedo a reaction. We tracked down contamination sources and cut them out. Every adjustment, from how we clean feed tanks to how we schedule changeovers, keeps the final product focused where it belongs: purity and working properties, not just what’s written on a line in a standard.

    Safety and Environmental Impact Outside the Textbook

    Manufacturing isn’t a theoretical exercise. Waste streams, emissions, and risk management remain part of our daily work. Fluorinated intermediates tend to require extra care to avoid HF release and environmental mishaps. Years ago, we adjusted our waste treatment facilities to better capture and neutralize these byproducts, which translated directly into safer, more sustainable operations. Continued feedback led us to cut down on certain solvent volumes, and to shift towards greener, multi-use cleaning agents for our reactors. Our clients want to know their supply chain partners actually practice what they preach—our process records, and third-party inspections, back that up.

    The people working in our facility have encountered the tough end of hydrazide production—where even a small spill means a persistent odor that lingers, or a batch that must be scrapped to keep contaminants out of the next run. The stakes aren’t just about compliance; they translate directly into customer confidence. A facility that maintains strict batch separation and ongoing air quality monitoring ensures a robust, uninterrupted supply chain, even during those times when market demand surges or logistics slow down.

    Working with Partners, Not Just Shipping Boxes

    We don’t just pack and move product. Our technical team fields questions about optimizing reactions, minimizing side-products from this hydrazide, and navigating analytical troubleshooting. These aren’t distant matters. On the plant floor, collaboration with R&D focuses on how shifts in raw material sourcing, water and solvent purity, or subtle changes in pH during work-up impact the final product’s usability. Manufacturers who invest in this kind of upstream involvement unlock additional benefits for their customers—predictable downstream behavior and reduced troubleshooting costs.

    Clients who use our 2,4-Difluorobenzoic Acid Hydrazide often push the boundaries in synthetic methodology—this drives our technical evolution as well. Improvements don’t flow only from internal engineering, but also from customer feedback. For one, researchers in pharmaceutical companies shared details about unexpected hydrolysis during long-term storage; our process team reengineered product handling and switched to all-inert gas packaging for high-sensitivity batches. This hands-on partnership improves real-world performance, not just theoretical purity.

    Comparing 2,4-Difluorobenzoic Acid Hydrazide with Other Hydrazides

    We routinely work with a range of hydrazide derivatives, and our direct experience with families like 3,5-difluorobenzoic acid hydrazide, or simple benzoic acid hydrazide, reveals distinct chemical and handling differences. The presence of fluorine increases the electron-withdrawing strength of the molecule, changing reactivity patterns, solubility in common laboratory solvents, and melting points. These traits can significantly alter yield, product isolation, and purity, often unnoticed until projects move from milligrams to multi-kilo scales. Transferring procedures from non-fluorinated analogs to 2,4-difluoro versions isn’t plug-and-play—users have to account for these critical distinctions.

    Our analytical lab regularly compares reaction outcomes, checking for byproducts unique to the difluoro substitution pattern and for compatibility with downstream coupling or cyclization chemistry. Where other hydrazides may tolerate a broader range of conditions or show higher solubility in alcohols or ethers, this compound’s profile demands a sharper focus on solvent selection and temperature management. Feedback from synthetic chemists guided us to flag these properties early and consult regularly with users about the practical downstream effects—especially when the hydrazide functions as an amide-building precursor in complex synthetic schemes.

    In everyday use, chemists find that 2,4-Difluorobenzoic Acid Hydrazide opens new routes not easily accessed using more common hydrazine- or monofluoro-substituted benzoic acid derivatives. The double fluorine pattern significantly impacts pharmacological profiling and stability in finished molecules. End-use applications stretch from small molecule synthesis to more exotic combinatorial libraries, where custom backbone modification allows lead optimization work to advance beyond conventional boundaries.

    Specification Choices Reflect Manufacturing Commitment

    We control production based on the model and specification needs raised by both bulk users and specialty application teams. The purity isn’t an afterthought: it’s based on first-hand experience with how off-spec material can compromise high-value chemical syntheses. The texture and flow characteristics of our hydrazide respond to how it behaves on a practical level during handling and dissolution—grain size, clumping risk, or ease of weighing may sound minor, but these factors matter for efficient lab and plant operations.

    Batch-to-batch consistency goes beyond premium analytical readings. We monitor for off-odors, hydrate formation, or subtle discoloration, every step checked often by human eye and nose, not just by instrument. With every improvement in process control, operators come away with insights that make future production smoother and more reliable. Direct production experience, especially in specialty hydrazides, affords the perspective needed to understand which specification ranges make a difference and which only matter on paper. This differs sharply from approaches that prioritize sheets and labels over in-use performance.

    Building Supply Chains that Withstand Real Disruption

    Market disruptions test every claim about supply reliability. Inventory planning for specialty chemicals requires foresight, resource allocation, and responsive logistics, not just back-office paperwork. Our plant maintains an agile scheduling system, continuously tuned based on communication with downstream users and our own projections about raw material lead times. This is especially critical with fluorine-containing intermediates: global market swings, supply interruptions, or regulatory shifts impact both cost and timing. By investing in raw material reserves and flexible production lines, we buffer customers against the headaches associated with spot shortages.

    Our long view comes from decades of manufacturing. We prepare contingency stock for clients running ongoing screening programs or late-stage development projects, making sure spikes in demand—perhaps triggered by a promising clinical study—don’t leave partners waiting. Rather than relying on just-in-time models, our integrated operation scales to maintain both high-purity specialty products and the basic intermediates that feed into them. This forward-planning focus, refined through years of tight feedback loops between plant and client, delivers supply chain security no trading desk can offer.

    Guiding Clients with Honest, Unfiltered Communication

    No two markets face the same regulatory or safety environments, particularly when dealing with differentiated, advanced intermediates like 2,4-Difluorobenzoic Acid Hydrazide. Our technical support team delivers frank, experience-based guidance, open to tough questions about chemistry, scale-up feasibility, or safety assumptions. Whether answering regulatory filings or supporting real-world troubleshooting, speaking from direct experience builds real trust. Our advice draws on years of manufacturing, not just literature references.

    We take client confidentiality as seriously as product purity; some of our longest partnerships trace back to honest technical exchanges that allowed faster project turnaround or avoided a costly misstep. Every new challenge adds to our collective knowledge, feeding improvements both in process design and end-user consultation. Bringing manufacturing expertise to bear improves not just the flow of product, but also the strategic planning and operational workflow of our partners.

    Continuous Improvement Driven by Practical Science

    Manufacturing specialty chemicals never stands still. Batch records and process notes accumulate improvements born of challenges met on the production floor—never from paper theory alone. Changes aren’t made for the sake of marketing or regulatory stories, but instead from seeing how tweaks in filtration, crystallization, or even storage affect the actual outcomes users care about. For instance, our solvent recovery protocols now yield lower overall contamination risk—something that only came to light after multiple campaigns revealed subtle long-term shifts in impurity profiles. Direct engagement with client projects, even on short notice, means we rarely miss an opportunity to adapt best practices to new needs.

    Product quality and safety standards rise over time, and we invest in staff development and continuous training. Personnel who understand the detailed chemistry and the underlying risks handle specialty hydrazide products with care and precision, reflecting real pride in their work. Every lesson, whether born of a corrective action or process improvement, leaves a mark on how the next lot is manufactured.

    The Manufacturer’s Perspective: Making Real Choices That Matter

    We stand behind every package of 2,4-Difluorobenzoic Acid Hydrazide because we see the visible and invisible hands-on work that goes into each batch. The manufacturing process reflects informed choices—raw material vetting, process optimization, rigorous in-process controls, skilled staff, and a mindset fixed on the end goal: absolute reliability for users pushing boundaries in organic synthesis and drug discovery.

    Every time a customer’s process works as designed, or a new compound passes critical screening because a vital intermediate worked flawlessly, we see concrete evidence of why careful, experienced manufacturing matters. This is the direct result of years spent learning the real costs of shortcuts, and reinvesting in the people, process, and plant that support innovation where it counts: at the bench, on the scale, and in the final results.