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5-Nitrofurfural

    • Product Name 5-Nitrofurfural
    • Alias 5-Nitro-2-furaldehyde
    • Einecs 209-007-4
    • 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

    587484

    Cas Number 98-32-8
    Iupac Name 5-nitrofuran-2-carbaldehyde
    Molecular Formula C5H3NO4
    Molecular Weight 141.08 g/mol
    Appearance Yellow crystalline solid
    Melting Point 90-93°C
    Boiling Point 153°C at 11 mmHg
    Density 1.511 g/cm³
    Solubility In Water Slightly soluble
    Refractive Index 1.588
    Flash Point 140°C
    Pubchem Cid 7353

    As an accredited 5-Nitrofurfural factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle with a secure screw cap, labeled '5-Nitrofurfural, 25 g', featuring hazard symbols and safety information.
    Shipping 5-Nitrofurfural is shipped in tightly sealed containers, protected from light and moisture, and stored at room temperature. Transport must comply with applicable hazardous material regulations, as it is classified as harmful if swallowed or inhaled. Proper labeling and documentation are required to ensure safe handling and delivery during transit.
    Storage 5-Nitrofurfural should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible materials such as strong oxidizers and bases. The chemical should be kept in tightly closed containers, protected from moisture and direct sunlight. Proper chemical labeling and secondary containment are recommended to minimize the risk of spills or accidents.
    Application of 5-Nitrofurfural

    Applications of 5-Nitrofurfural in Industrial Manufacturing

    5-Nitrofurfural serves as a specialized intermediate in a range of chemical processes across several sectors. Our team, as a direct manufacturer with deep technical experience, supports industrial buyers through supply clarity, consistent quality controls, and process integration guidance. The following sections highlight established downstream application scenarios with details on compliance, operational use, and formulation practice.

    1. Pharmaceutical Intermediate Synthesis

    Pharmaceutical manufacturers use 5-nitrofurfural as a reactive aldehyde intermediate in the synthesis of several nitrofuran-based APIs and research compounds, leveraging its selective reactivity for stepwise chemical synthesis. The compound’s electrophilic aldehyde and nitro functionalities are crucial for building heterocyclic rings found in medicinal frameworks, such as nitrofuran antibiotics. Process engineers optimize reaction conditions to ensure maximum yield while maintaining strict impurity profiles aligned with pharmacopeial monographs. Consistent batch quality at this stage safeguards regulatory compliance and downstream purification efficiency.

    Industry compliance standards

    • USP (United States Pharmacopeia) standards for raw materials and intermediates
    • ICH Q7 GMP Guidelines for Active Pharmaceutical Ingredient (API) manufacturing
    • EDQM CEP and Ph. Eur. requirements for traceability and impurity controls
    • FDA 21 CFR Part 211 for finished pharmaceuticals

    Typical usage ratio

    • Ranges from 0.5% to 2.5% by weight in multi-step synthesis, depending on the desired target molecule and stoichiometric ratios; adjusted for process yield and impurity risk

    Downstream process integration

    • Added at controlled temperature and pH to batch reactors during the key condensation or cyclization steps in API or advanced intermediate synthesis

    Final product types

    • Nitrofuran-based antibiotics (e.g., nitrofurantoin, furazolidone)
    • Heterocyclic pharmaceutical intermediates
    • API reference standards for R&D

    2. Agrochemical Intermediate Production

    Agrochemical producers incorporate 5-nitrofurfural as a core building block in the manufacture of specialized crop protection agents such as nitrofuran-containing fungicides and seed treatment compounds. The compound’s dual functional groups enable further chemical transformation through condensation, reduction, or substitution reactions during scale-up. Accurate dosing is essential for avoiding regulatory threshold levels of impurities known to affect environmental safety. The material’s handling and integration are closely managed under ISO and regional agrochemical guidelines to assure consistent downstream biological activity.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • EU Regulation (EC) No 1107/2009 for plant protection product approval
    • ISO 9001:2015 for manufacturing and QC documentation
    • REACH (EC No 1907/2006) for intermediate registration and safe handling

    Typical usage ratio

    • Utilized at a range of 1% to 3% in stepwise active ingredient build-up; adjusted according to target reaction routes and conversion efficiency in pilot and plant scale validation

    Downstream process integration

    • Introduced in closed-system reactors for condensation with amines or aromatic agents, followed by downstream chlorination or sulfonation steps

    Final product types

    • Nitrofuran-derived crop protection agents
    • Fungicidal seed treatments
    • Precursor intermediates for new agrochemical actives

    3. Synthesis of Specialty Dyes and Pigments

    Colorant manufacturers employ 5-nitrofurfural as a functionalized aldehyde precursor during the synthesis of advanced nitro-containing dyes and azo pigments. Its molecular structure provides reactive centers for further derivatization via coupling with aromatic amines. This yields a diverse palette of high-performance dyes meeting stringent colorfastness and migration requirements specific to textile, leather, and plastics processing. Batch-to-batch consistency and impurity management are prioritized to satisfy both product safety and environmental compliance criteria in these sectors.

    Industry compliance standards

    • EN 71-3 (European Toy Safety standard for elemental impurities in colorants)
    • REACH Annex XVII (Restrictions on hazardous substances in dyes and pigments)
    • ISO 13320 for pigment particle size analysis
    • Oeko-Tex Standard 100 eco-certification for textile applications

    Typical usage ratio

    • 0.2% to 1.0% by batch weight; specifically tuned based on desired chromophore output and reactivity profile in coupling reactions

    Downstream process integration

    • Introduced during the controlled condensation or diazotization reactions; frequently used in aqueous-organic phase couplings and subsequent ion-exchange purification steps

    Final product types

    • Nitro-containing azo and heterocyclic dyes
    • High-performance pigments for plastics coloring
    • Functional intermediates for electronic display materials

    4. Advanced Chemical Research and Analytical Standards Production

    Producers of analytical reagents and specialty chemical libraries rely on high-purity grades of 5-nitrofurfural for the creation of calibration standards, probes, and as a building block for reaction pathway investigations. Laboratories integrate this compound into reference mixtures and qualifying assays where purity and traceability must meet internationally recognized specifications for reproducibility and result integrity. Every lot undergoes rigorous QC analytics aligned with internationally harmonized laboratory and reference material standards.

    Industry compliance standards

    • ISO 17034 for reference material producers
    • ISO/IEC 17025 laboratory accreditation for test method validation
    • Certificate of Analysis (CoA) with NMR, HPLC, and GC-MS traceability
    • Compliance with ASTM E2882 for reference chemical characterization

    Typical usage ratio

    • 10 mg/L to 100 mg/L as stock solutions, precisely calibrated by laboratory chemists for use in analytical standards and quality control studies

    Downstream process integration

    • Dissolved into solvents for use as analytical standards or integrated into combinatorial chemistry blocks in high-throughput synthesis and screening

    Final product types

    • Certified reference materials (CRMs) for method validation
    • Research use only (RUO) chemical standards
    • Specialty probe compounds for analytical testing
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    Certification & Compliance
    More Introduction

    5-Nitrofurfural: Manufacturing Insights and Industry Value

    Experienced Manufacturing Drives Trusted Quality

    Producing 5-Nitrofurfural on an industrial scale demands experience, care, and a commitment to end-user requirements. For over a decade, we have steered each stage of production from raw material selection, through synthesis, purification, and quality checks within one integrated facility. Our approach limits the variability that often plagues this specialty aldehyde. Our chemists perform batch-to-batch checks for impurity profiles, including trace furans, chlorides, and residual solvents, which gives users better consistency in application outcomes, whether the destination is research or a structured manufacturing process.

    Understanding the Structure and Working Properties

    5-Nitrofurfural carries a nitro group positioned on the five-carbon furfural ring, producing specific reactivity not found in plain furfural or its other nitro-derivatives. This unique substitution draws particular interest in pharmaceutical intermediate pipelines, imaging chemicals, and advanced materials research. Our standard product ships with at least 98% purity by GC analysis, color often pale yellow to amber, melting point in the range chemists recognize from validated literature, and stable dry powder or crystalline form. Even slight shifts in the molecular structure, as seen with different nitrofuraldehydes, alter chemical reactivity, toxicity, and application options; our years behind the reactor line have shown these differences mean real-world results for process engineers.

    Applications Rooted in Real Industry Demand

    Customers typically source 5-Nitrofurfural to serve as a building block for the pharmaceutical industry, especially in research and screening of new nitrofuran-based drug candidates. Compared to standard furfural, the added nitro group extends electronic effects, enabling unique condensation, cyclization, and nucleophilic addition reactions. This property opens opportunities in both organic synthesis for structure-activity exploration, and in functional material engineering, where the nitro group contributes to specific optical or electron transport properties. Analytical labs often turn to our product as a reference material, and formulation experts appreciate the reliable purity—there are tighter controls in our process now than a decade ago, largely because we invest in closed-system handling and improved crystallization steps.

    Differences That Shape Real-World Utility

    Our 5-Nitrofurfural stands apart from broadly sourced furfural derivatives in several important ways. Direct comparison with 2-nitrofurfural or simple furfural, even when specification sheets look similar, misses the real differences visible during scale-up or in complex synthesis pathways. Only the five-position nitro group delivers the stability under mild base, and the expected rate profile during nucleophilic substitution or redox steps. Generic furfural might meet standard aldehyde benchmarks, but often comes with levels of acid impurities or discoloration that complicate downstream reactions. Lower-cost imports often show higher chlorides from recycled reagents, and inconsistent particle crystallinity, which has caused complications in more than one customer’s process. After years collaborating with process engineers, we designed production runs with attention to moisture management and surface area, seeing how these physical properties affect product handling under actual plant conditions.

    Clients working in high-throughput screening workflows or sensitive manufacturing environments have shared data showing even minor byproducts can interfere with catalysis or yield unpredictability in target compound isolation. In our manufacturing history, the difference between “acceptable” reagent quality and consistently manufactured 5-Nitrofurfural quickly becomes clear under process pressure. Strict final checks create reliable transition points for process engineers, especially where product registrations or regulatory audit trails demand documented traceability from raw material batch through to final use.

    Trace Impurities and Full Characterization

    After years in production, we recognize that successful use of 5-Nitrofurfural requires clear understanding of trace impurities and their implications. Products sourced from inconsistent supply chains often contain higher furancarboxylic acid, residual starting aldehyde, or solvent residues well above detection thresholds. Each of these impurities can generate false positives in biological screening or react during further synthesis, complicating yield or downstream analysis. Our facilities use advanced GC/MS and HPLC techniques to survey not just main product content but a broad impurity spectrum. This vigilance stems from direct experience: research partners and industrial buyers have reported greater reproducibility and cleaner analytical profiles with our material compared to off-specification alternatives.

    Routine lot characterization at our plant includes moisture determination by Karl Fischer titration, which sets the stage for handling instructions whether customers opt for kilo bags or larger drums. Color, melting point, and spectral absorption checks reinforce the batch consistency chemists expect once they have benchmarked our product in trial runs. In our experience, even small changes in crystallization procedure—like the choice of anti-solvent or drying time—cause shifts in handling, packing, and product life, so we refine these steps regularly in response to user feedback. Environmental controls in production prevent cross-contamination, supporting users who integrate our 5-Nitrofurfural into cGMP processes.

    Feedback-Inspired Production Improvements

    Our plant operates in close contact with both research chemists and large-scale process experts, which has helped us to identify pitfalls and innovate solutions over many production cycles. One pharmaceutical group faced moisture buildup in off-the-shelf nitrofuraldehyde, which ruined a downstream Grignard coupling. Collaborating on transport packaging, we invested in low-permeability liners and nitrogen-blanket drums, eliminating the troubleshooting calls that otherwise slow time to market. Factory adjustments, such as staged cooling rates, brought higher purity fractions and reduced off-cuts—hard-earned improvements visible both in laboratory NMR traces and plant yield records.

    Some process engineers request custom mesh size for easier handling or specific particle size distribution. Unlike brokered chemical lots, we can tailor physical attributes at the point of manufacture rather than hoping for post-sourcing milling to fix old issues. This direct link between order and plant floor keeps us responsive to changing workflows; we’ve retooled filter housings, invested in finer sieves, and installed closed-system transfers based on consultation with real technicians. Where research projects required ultra-low residual metals, we adopted new filtration and catalyst quenching methods, which cut trace contamination measurable by ICP-MS.

    Comparisons with Related Furfural Derivatives

    The furfural platform underpins a spectrum of aromatic intermediates, but not all analogs perform the same under real lab or plant conditions. Unlike simple furfural or 2-nitrofurfural, our 5-Nitrofurfural features a distinct electron distribution. In synthetic schemes, this layout tunes its reactivity profile, allowing cleaner formation of hydrazones, oximes, or heterocyclic frameworks. Colleagues in research find that attempts to substitute alternative nitrofuraldehydes sometimes short-circuit the pathway or produce difficult-to-remove tars and byproducts. Factory records confirm that the route to 5-nitro substitution minimizes these pitfalls and delivers a more reproducible reaction endpoint in both pilot and commercial-scale settings.

    This distinction appears again in analytical work. Basic furfural or other position isomers often yield background peaks or unexpected retention shifts in HPLC or GC. Over the years, we’ve worked with customers tracking precise elution times, learning that batches of 5-Nitrofurfural made without rigorous purification cloud analytical results and sometimes give erroneous structural assignments in NMR or MS screenings. Our high-purity lots uphold spectra with cleaner baselines, which helps researchers carve out accurate data and avoid repeating whole series of experiments.

    Packaging, Storage, and Practical Use Advice from the Factory Floor

    As chemical manufacturers, our knowledge extends to shipping and practical use. 5-Nitrofurfural reacts to both light and air, and old packaging standards fail under fluctuating temperatures or transport delays. In response, we use light-resistant, lined containers and monitor container integrity at every stage. Our shipping team developed dry, climate-resilient packaging proven to reduce caking and clumping, keeping crystals pourable and measureable even after longer transit. Users receiving bulk shipments gain step-by-step guides for opened drum handling, offering best practices learned from years of plant work: avoid long exposure to ambient humidity, reseal containers tightly, and always minimize unnecessary handling outside dry, inert conditions.

    Plant operators often report that storage conditions and physical form can tip the balance between smooth dispensing and lost time due to blockages or bridging. Recognizing this, our teams routinely collect feedback on how batches behave in automated feeders, vacuum loading, or simple hand scooping, adjusting drying and anti-caking agents as warranted. Unlike commodity suppliers, we track each lot’s downstream journey and tweak production variables accordingly, aiming for steady flow and reliable weighing at our customer’s bench or production line.

    Adaptation for Regulatory, Safety, and Environmental Considerations

    The fine chemicals landscape expects compliance at every step. Our operations follow established REACH and other regulatory frameworks, maintaining full traceability from lot production through transport, and documentation leaves no gaps for auditing. Regular internal reviews scrutinize each phase—from the source of raw furfural, reagents, solvent recovery, right through to waste management. Our experience shows that only disciplined production environments sustain both safety and process repeatability, values which ultimately surface in the reliability of our products in customer processes.

    We have learned through both standards compliance and partner audits that environmental responsibility secures supply relationships over the long term. By investing in solvent recycling, process water treatment, and effluent loading controls, we protect both the production team and community while supporting the sustainability requirements embedded in many supply agreements. Nothing illustrates these efforts so much as our ability to ship compliant product into tightly regulated environments with confidence, knowing the origins of each bottle or drum trace directly back to stringent in-house controls.

    Building on Experience for Ongoing Product Development

    The chemical industry never stands still, and demands for higher-purity, better-characterized intermediates show no sign of slowing. Our historical data sets, built up over years of close partnership with researchers and plant operators, keep us tuned into new challenges—be it for smaller particles, new packaging formats, or restrictive impurity standards. We have often responded to custom requests, whether for unusual batch sizes, special documentation, or even last-minute logistics corrections when a customer’s timeline slips. Direct communication between our R&D, production, and shipping arms means we troubleshoot and resolve issues without the disconnect sometimes found in companies that only trade finished goods. This culture roots our promise of supply assurance and adaptability.

    Supporting Innovation and Collaboration

    From the first kilogram scaled on pilot reactors to multi-ton campaigns for key industrial partners, our approach emphasizes knowledge sharing and open technical dialogue. We supply full spectral and purity datasets on request, often visiting customer facilities to observe use and gather feedback. In one memorable collaboration, a materials group exploring sensor applications worked side-by-side with our technical team to nail down a targeted impurity profile. These partnerships drive improvements unmatched by off-the-shelf chemical sources.

    Ongoing development means not just responding to industry trends but anticipating how adjustments at our plant could give users an edge. Whether providing sample material for new reaction screening, supporting application notes, or round-table process troubleshooting, our teams operate from a practical, lived understanding of what chemists and engineers actually need. Stability studies, shelf-life analytics, and supplier qualification dossiers support users under regulatory scrutiny or scaling a benchtop success to the pilot plant.

    Conclusion: Earning Trust Through Manufacturing Integrity

    Years of direct production experience inform every aspect of our 5-Nitrofurfural—from choices in raw material procurement through to shipment preparation. Clients value the shared expertise that comes from facing live production issues, solving tricky application questions, and helping push the boundaries of research and manufacturing. We remain committed to learning from every batch, adapting as new standards arise, and building a dependable supply chain rooted not in just technical compliance, but also in proven performance. Those who have partnered with us know that our practical insights, direct plant experience, and constant communication build long-term confidence and higher-value chemistry, one lot at a time.