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5-(2-Nitrophenyl)-2-Furancarboxylic Acid

    • Product Name 5-(2-Nitrophenyl)-2-Furancarboxylic Acid
    • Alias 5-(2-Nitrophenyl)furan-2-carboxylic acid
    • Einecs 626-022-0
    • 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

    690466

    Product Name 5-(2-Nitrophenyl)-2-Furancarboxylic Acid
    Cas Number 59970-76-4
    Molecular Formula C11H7NO5
    Molecular Weight 233.18
    Appearance Yellow solid
    Melting Point 186-190 °C
    Purity Typically >98%
    Solubility Slightly soluble in water, soluble in organic solvents
    Boiling Point Decomposes before boiling
    Storage Temperature Store at room temperature, keep container tightly closed
    Synonyms 2-Furoic acid, 5-(2-nitrophenyl)-
    Smiles C1=CC=C(C(=C1)[N+](=O)[O-])C2=CC=C(O2)C(=O)O
    Inchi InChI=1S/C11H7NO5/c13-11(14)9-6-15-7-10(9)8-4-2-1-3-5-8(12(16)17)9/h1-7H,(H,13,14)

    As an accredited 5-(2-Nitrophenyl)-2-Furancarboxylic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing White HDPE bottle containing 25 grams of 5-(2-Nitrophenyl)-2-Furancarboxylic Acid, clearly labeled with chemical name, CAS, and hazard warnings.
    Shipping 5-(2-Nitrophenyl)-2-Furancarboxylic Acid ships in tightly sealed, chemical-resistant containers, clearly labeled and compliant with applicable hazardous materials regulations. Packaging includes absorbent material to prevent leaks. Shipping follows national and international safety guidelines (such as DOT, IATA, or IMDG), with accompanying Safety Data Sheet (SDS) and temperature control if required by the compound’s stability profile.
    Storage 5-(2-Nitrophenyl)-2-Furancarboxylic Acid should be stored in a tightly sealed container, away from light, heat sources, and moisture. Store it at room temperature (typically 15-25°C) in a cool, dry, and well-ventilated area. Avoid contact with incompatible substances such as bases or strong oxidizing agents. Ensure that storage complies with local chemical safety regulations and is clearly labeled.
    Application of 5-(2-Nitrophenyl)-2-Furancarboxylic Acid

    Applications of 5-(2-Nitrophenyl)-2-Furancarboxylic Acid in Industrial Manufacturing

    We manufacture 5-(2-Nitrophenyl)-2-Furancarboxylic Acid for use exclusively as a key intermediate in several highly specialized chemical production sectors. The following sections detail specific industrial applications supported by actual market usage, with a focus on clear compliance, formula, integration, and final product outcomes.

    1. Advanced Pharmaceutical Synthesis: Antibacterial Drug Intermediate

    This compound acts as a primary building block in the synthesis of new-generation oral and injectable antibacterial agents, mainly within the class of furancarboxylic acid derivatives targeted for gram-negative bacteria. Powder handling, batch formulation, and purification steps demand careful control to achieve GMP batch consistency and address trace impurity levels, especially nitroaromatic residues. Manufacturers utilize this material in multi-step active pharmaceutical ingredient (API) synthesis for human and veterinary preparations.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for APIs
    • USP/NF Monograph for categorized synthetic intermediates
    • FDA 21 CFR Part 211 for finished pharmaceuticals
    • EDQM quality specifications for EU markets

    Typical usage ratio

    • Batch input range: 0.2–0.8 mol per mol of target API backbone, proportion adjusted according to yield optimization and impurity reduction protocols

    Downstream process integration

    • Integrated in Step 1–3 of API synthesis as the initial electrophilic coupling reagent post-purification; critical to conversion yield in amide and esterification stages; controlled addition with solvent selection based on scalability

    Final product types

    • Broad-spectrum antibacterial tablets
    • Antibacterial injectables (sterile powders or solutions)
    • Active pharmaceutical ingredient (API) for contract manufacturing
    • Veterinary antibiotic feed additives

    2. High-Performance Pigment Synthesis: Specialty Azo Pigment Intermediate

    The nitrophenyl-furancarboxylic structure serves as a chromophoric coupling component in synthesizing niche azo and heterocyclic pigments with precise hue control for industrial coatings, inkjets, and plastic coloration. Its high reactivity and electron-withdrawing capability enable pigment manufacturers to produce stable yellow-orange and deep red colorants for demanding weatherfastness and lightfastness criteria. Production emphasis rests on batch color consistency and particle size control using advanced dispersion techniques.

    Industry compliance standards

    • EN 71-3:2019 for toy safety colors in the EU
    • ISO 9001-certified pigment production QC systems
    • REACH Annex XVII restrictions for aromatic amines
    • OEKO-TEX® Standard 100 for textile pigment certification

    Typical usage ratio

    • Reactive loading: 5–16 wt% based on total pigment precursor input; adjusted per target chroma value and secondary pigment matrix reactivity

    Downstream process integration

    • Added during diazotization and coupling stage after initial aromatic amine formation; reaction monitored with in-process spectrophotometry to achieve precise CI pigment index standards; slurry transferred to milling step for particle size reduction

    Final product types

    • Industrial coatings for automotive and agricultural machinery
    • Water-based and solvent-based printing inks
    • Textile fiber and polymer masterbatches
    • Architectural paint pigments

    3. Photoactive Polymer Additives: UV-Absorbing Polymer Intermediate

    Chemical producers use this compound as a core intermediate for photoactive polymer additives, especially UV-absorbing agents incorporated in advanced materials designed for electronics encapsulation and packaging films. The unique furanic-nitrophenyl scaffold confers strong absorption in the UV-A/UV-B spectrum, enhancing long-term polymer durability and reducing photodegradation in end-use applications. Strict control over intermediate purity and compatibility with thermoplastic processing is critical throughout all stages.

    Industry compliance standards

    • RoHS Directive 2011/65/EU for electronic components
    • FDA 21 CFR 177.1520 for food-contact polyolefins
    • ASTM D5208 for accelerated weathering resistance
    • ISO 14001-environmental management for additive manufacturing

    Typical usage ratio

    • Masterbatch loading: 0.05–0.3 wt% relative to total polymer mass; ranges modified for film gauge and exposure benchmarks

    Downstream process integration

    • Incorporated as an intermediate in melt-phase synthesis of polymer additives, then compounded into resin during extrusion, injection molding, or film blowing; requires particle dispersion optimization for clarity or haze targets

    Final product types

    • Electronic encapsulation materials
    • Food and pharmaceutical-grade packaging films
    • UV-resistant agricultural films
    • Optically clear masterbatch pellets

    4. Agrochemical Synthesis: Herbicide Intermediate

    This material operates as a tailored intermediate in downstream agrochemical production lines targeting specific furan-type herbicides. Its structural properties support the construction of selective weed control agents for cereal and grain crops, enhancing formulation shelf life and soil stability. Agrochemical synthesis teams monitor for environmental metabolite profiles and optimize process flows to ensure field efficacy and regulatory compliance.

    Industry compliance standards

    • FAO/WHO Specifications and Evaluations for Plant Protection Products
    • OECD Principles of Good Laboratory Practice (GLP)
    • EPA Title 40 CFR Part 180 for pesticide residue tolerances
    • ISO 17025 laboratory testing for agrochemical QC

    Typical usage ratio

    • Process feedstock: 0.3–0.6 mol per mol of target agrochemical core, with adjustments based on synthetic route optimization for selectivity and degradation rate

    Downstream process integration

    • Engaged during early-stage heterocyclic core assembly, preceding cyclization; enters condensation and post-treatment steps for active ingredient stabilization before bulk formulation

    Final product types

    • Selective pre-emergent and post-emergent herbicide technical concentrates
    • Wettable granule and suspension concentrate formulations
    • Custom crop protection active ingredients
    • Licensed agrochemical bulk intermediates
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    Certification & Compliance
    More Introduction

    5-(2-Nitrophenyl)-2-Furancarboxylic Acid: Direct from the Factory Floor

    Understanding the Compound

    Every batch of 5-(2-Nitrophenyl)-2-Furancarboxylic Acid we produce grows from hands-on experience. Over time, our technicians and chemical engineers have worked out the quirks that turn raw precursors into high-purity crystalline powder. You will notice its slightly yellow hue, a nuance that tells the story of the nitro group’s integration onto the furancarboxylic backbone. Chemists know the challenge of handling a molecule this intricate, especially when ensuring that furan ring stays intact and the nitro group lands precisely in position. We have spent years fine-tuning the reaction conditions, so the product holds up to analytical scrutiny batch after batch.

    The molecular structure of this compound offers plenty to talk about. With the nitro group directly attached to the phenyl ring, and the furan ring providing the carboxylic acid functionality, it stands out in libraries of building blocks. Every crystallographer who visits our labs for collaborations can see this in the X-ray diffraction patterns. Our people make sure it meets tight standards: melting point, moisture content, and optical clarity under the microscope come up every day in quality meetings. Breathing in fumes is never a risk here; we’ve invested in closed reaction systems, and you get a product free of residual volatile impurities.

    Why We Bother With Precision

    You might look at this compound’s full name and wonder why labs would bother with such a specific arrangement. The answer sits in its role as a core intermediate. Medicinal chemists appreciate it for lead optimization projects because both the furan and the nitrophenyl functionalities can be sources for further derivatization. Overlay this with the carboxylic acid group, and you open up routes for amide coupling, esterification, or salt formation. We have seen customers in pharmaceutical R&D take our product, clip off the nitro group, and swap in amines or other substitutions. Plant managers from pigment research, who visit our facility, point out how the furan core and its derivatives give them color properties not found elsewhere.

    Everyone in the lab agrees that batch reproducibility beats flashy catalogs. Any real chemical manufacturer has been burned at least once by a batch of off-spec raw materials. That’s why we built our process from the ground up, factoring in the supply chain volatility and routine variations in precursor purity. Our technicians monitor the exothermic peaks while adding the nitrophenyl reagent, not just relying on the thermocouple readings, but by studying the mixture’s color and viscosity. This skill—what you can’t measure with an instrument—comes from standing beside the kettle year after year.

    Specification Essentials

    People often ask why we harp on certificate of analysis detail. It comes back to experience in scale-up, where a small impurity spike in a kilogram batch can derail a full production run. High-performance liquid chromatography (HPLC) and NMR are everyday tools here—our purity threshold runs over 98%, and if the batch drops below, we don’t ship, period. We only greenlight the batch when the UV spectra and chemical shift align with known standards, something you would catch at a glance on our in-house spectrometers.

    Moisture control deserves a mention. Furans pick up water from the air pretty quickly. Our drying equipment never sleeps between runs; we use vacuum ovens calibrated to a strict dew point, meaning nothing leaves the lab below spec. Powder flow and particle sizing have seen acres of whiteboards in the development lab because scale-up can go sideways if a compound clumps or won’t dissolve as expected. The people on our granulation line have a knack for telling a high-integrity lot from an iffy one just by feel, long before instruments back up their impression.

    If you run a process that can tolerate trace dimers or oligomeric byproducts, other sources might fit. Research teams who work on highly sensitive syntheses—especially in pharmaceutical or advanced materials sectors—appreciate the rigor behind our purity assay results. Intricate syntheses can magnify minor impurities downstream, and experienced chemists recognize shortcuts in material handling come back to haunt you during regulatory filings or pilot-scale trials.

    Usage in Research and Industry

    Structural chemists tell us this molecule has featured in their custom library builds, especially in targeted aromatic substitutions. They explore regioselective modifications, creating derivatives that probe new biological targets. Having a stable supply of 5-(2-Nitrophenyl)-2-Furancarboxylic Acid means they can design iterative analogs in a project’s late stages, without the start-and-stop that unpredictable sourcing brings.

    In materials science, our compound’s backbone anchors new conjugated polymers and small molecule OLED emitters. The backbone bridging between aromatic systems and the polar carboxylic acid group makes it an excellent candidate for device interfaces and specialty coatings. Engineering teams have brought formulas back to us for collaborative process troubleshooting, especially when integrating our compound into spin-coated or evaporated thin films.

    Enzyme inhibitor development also draws on this compound, mostly due to the double aromaticity and electron-withdrawing nitro group. Our in-house research arm has tested various substitutions along the same backbone, finding notable differences in pharmacokinetics and target affinity. Several startups approach us for scaled quantities once their screening validates activity, knowing we have maintained molecular consistency across production lots.

    Practical Differences from Other Products

    Many companies will sell a furan carboxylic acid or a nitrophenyl compound, but most don’t marry the two functionalities in one molecule. Some labs have tried mixing analogous building blocks as a workaround, but this approach has drawbacks. Poor atom economy, side reaction risk, and a surge of purification steps knock efficiency and project timelines off course. Our method eliminates the workarounds. There’s no need for mid-process retrofitting or repeated chromatography; we supply the compound as a single cohesive unit, verified by FTIR and elemental analysis right off the dryer.

    Plenty of traders and brokers have approached us, asking to relabel or split-batch our product under their own line. We politely decline. Years of troubleshooting have taught us that accountability and traceability save projects, especially if a synthesis needs to be repeated or regulatory agency questions come up. Our direct-to-client practice means you trace every gram’s origin straight back to our logs, which contain every operation step down to the stir speed and operator initials.

    Differences lie in more than paperwork. Some competitors opt for bulk synthesis without attention to prolonged storage stability. We ship only from verified stable lots, monitored for degradation products like nitroso or ring-opened intermediates that can creep in over months in storage. That focus stems from years of storing reference samples and observing changes, not from a marketing pitch.

    Working with Practicing Chemists

    We meet our clients at technical conferences, not just in sales calls. Researchers from both drug discovery and materials startups routinely ask for feedback on their intended process or application. They see right away we don’t only hand over a product spec, but years of reaction notes, cold-room storage tips, and advice on batch-refining crystallization protocols. These exchanges help both sides adapt and innovate. We hear when solvent systems need tweaking, or when a customer struggles with solubility in a new vehicle; we send hands-on troubleshooting insights, not just a standard FAQ.

    Technical support here means talking chemistry, not ticking support tickets. Our lead engineers have published on furancarboxylic acid reactions, and regularly review literature reports to optimize protocols. Most clients appreciate bluntness when data shows a better route or a process fit around our product’s unique performance profile.

    Quality Systems Built on Experience

    Our quality team earned its reputation the hard way, through root-cause investigations and follow-up reporting from both successes and failures. Cross-contamination, supply chain lags, or pipetting errors have no place in our plant. We employ a system of double verification at critical steps, starting with precursor selection up to final packaging. Every lot number reflects a documented journey through each reaction and purification stage, ready to be matched against analytical benchmarks.

    Unlike mass-market operations, we do not bypass post-synthesis purity checks. HPLC, NMR, melting point, and spectroscopic records go to permanent archives, so returning clients know exactly what changed (if anything) between batches spaced months or years apart. For clients working under tight regulatory scrutiny, this level of transparency takes the guesswork and anxiety out of long-term project planning.

    We have worked through raw material shortages, learned to troubleshoot coordinate and shipping hiccups, and upgraded our equipment through hard-fought capital investments, not management fads. All this background sharpens the focus on supplying only what we certify ourselves—not purchased from wholesalers, not piecemealed from unqualified overseas stock.

    Continuous Innovation at the Manufacturing Level

    Everything we produce started in the pilot room, not in a boardroom. Our R&D chemists spend months on alternate solvent systems, sometimes moving away from classical nitration protocols in favor of greener reagents and lower-waste conditions. Some projects fizzle out, others succeed: what sticks becomes a part of our regular process.

    Years ago, we opted for a vertical integration strategy, going as far upstream in the precursor chain as feasible. This took off the table last-minute raw material substitutions that often introduce subtle impurities. We now have tighter control over the molecule’s final fingerprint, a lesson hard-earned after periodic QC failures driven by upstream supplier swaps.

    Constant dialogue with equipment specialists and process engineers guides incremental improvements—temperature control, elimination of dead volume in reactors, and ergonomic sample collection—so every person working on the line learns what attention to detail means in a chemical plant.

    Environmental and Safety Responsibility

    Modern chemical manufacturing can’t ignore today’s environmental realities. This compound’s production involves handling energetically sensitive materials during the nitration step. We have implemented multiple failsafe mechanisms, sensor arrays to keep reactions in their safe operating window, and rigorous vent condensation checkpoints to trap nitrated vapors. Our effluent treatment plant neutralizes every stream before discharge, and we track every kilogram of waste solvent generated and recycled.

    Workers’ safety is a shared priority. From double-gloving to vapor containment, our plant floor features protocols refined after years of feedback and actual incident drills. Training new operators takes weeks of mentorship and practical demonstration, not a few slides and a test at the end. Near-miss documentation helps us learn from every minor mishap, so next time the team faces an emergency, everyone knows what to do by muscle memory.

    Supporting Real Progress in Science and Industry

    Supplying this level of chemical building block takes more than filling bottles and slapping on a label. Our role as manufacturer means advising researchers on process scale-up, consistent supply scheduling, and navigating the unanticipated variables every project faces. We collaborate with academic partners, helping grad students design successful experiments, as much as we work with industry veterans on process troubleshooting or procurement planning.

    The value in this compound resides in both its chemical structure and our willingness to back it with evidence and field knowledge. Regulatory auditors and company QA staff routinely inspect our logbooks, findings, and retained samples. There are no short-cuts here—every deviation gets documented, and every outgoing batch carries a traceable data package.

    We continue to invest in process robustness, tracking customer feedback, and integrating it into the manufacturing workflow. Whether a client wants a kilo or hundreds, our approach to scale, quality, and traceability never wavers.

    Conclusion: Built on Substance, Not Hype

    Chemists and engineers on our team know the satisfaction of watching a freshly crystallized run of 5-(2-Nitrophenyl)-2-Furancarboxylic Acid catch the light. That tells us the process holds firm, the techniques work, and future projects can count on our supply. We see ourselves as partners with the researchers and industrial managers who use this compound at the bench, in the reactor, or in the device fabrication line—not just as a name on a label.

    This compound remains a demanding but rewarding product line, shaped by tradition but always evolving through direct observation and iterative refinement. The end users—whether they’re driving innovation in pharmaceuticals, materials, or specialty chemicals—can rely on a substance and a support system that reflect real-world chemical manufacturing, not catalog marketing.