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2,3-Dihydrobenzo[B]Furan-5-Carbaldehyde

    • Product Name 2,3-Dihydrobenzo[B]Furan-5-Carbaldehyde
    • Alias 5-Formyl-2,3-dihydrobenzofuran
    • Einecs 684-043-9
    • 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

    548279

    Iupac Name 2,3-Dihydro-1-benzofuran-5-carbaldehyde
    Molecular Formula C9H8O2
    Molecular Weight 148.16 g/mol
    Cas Number 66105-61-3
    Appearance Light yellow to brown liquid or solid
    Boiling Point No data available
    Melting Point No data available
    Density No data available
    Smiles O=Cc1ccc2OCCc2c1
    Pubchem Cid 2841257
    Inchi InChI=1S/C9H8O2/c10-6-7-1-2-9-8(5-7)3-4-11-9/h1-2,5-6H,3-4H2
    Solubility No data available
    Synonyms 2,3-Dihydrobenzofuran-5-carboxaldehyde

    As an accredited 2,3-Dihydrobenzo[B]Furan-5-Carbaldehyde factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle, 5 grams, tightly sealed with screw cap, labeled clearly with chemical name, structure, CAS, and hazard symbols.
    Shipping 2,3-Dihydrobenzo[B]furan-5-carbaldehyde is securely packaged in sealed containers to prevent contamination and moisture exposure. It is shipped via ground or air according to chemical transport regulations, typically labeled as a laboratory chemical. Proper documentation and safety data sheets accompany the shipment to ensure compliant, safe handling and timely delivery.
    Storage Store 2,3-Dihydrobenzo[B]furan-5-carbaldehyde in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizers. Keep away from sources of ignition and moisture. Use appropriate personal protective equipment when handling. Label all containers clearly and follow local and institutional safety protocols for hazardous chemical storage.
    Application of 2,3-Dihydrobenzo[B]Furan-5-Carbaldehyde

    Applications of 2,3-Dihydrobenzo[B]Furan-5-Carbaldehyde in Industrial Manufacturing

    2,3-Dihydrobenzo[B]Furan-5-Carbaldehyde serves as a specialist intermediate for targeted downstream manufacturing sectors that require high-purity benzofuran-based compounds. Its unique molecular structure supports key synthesis pathways primarily within pharma, fine chemicals, agrochemicals, and advanced dye industries. Below, we outline the principal industrial application scenarios, highlighting essential compliance, formulation, integration, and end-use specifics based on actual market deployments.

    1. Pharmaceutical Advanced Intermediate Synthesis

    Major pharmaceutical companies utilize this compound when developing complex small-molecule Active Pharmaceutical Ingredients (APIs) involving benzofuran scaffolds, particularly within antihypertensive, anti-inflammatory or neuropathic treatment development. Manufacturers select it for stepwise construction of heterocyclic cores, applying stringent process controls and documentation during conversion to regulated pharmaceutical actives.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • United States Pharmacopeia (USP) monographs and impurity guidelines
    • EU EudraLex Volume 4 GMP requirements
    • China Drug Master File (DMF) registration procedures for intermediates

    Typical usage ratio

    • Normally 0.8–1.5 molar equivalents per API synthesis batch; adjusted based on desired conversion yield, purification route, and impurity profile management

    Downstream process integration

    • Charged at the initial or second step of multi-stage synthesis, most often dissolved in polar aprotic solvents for condensation or cyclization reactions under inert atmosphere
    • Intermediary purification follows via crystallization or preparative chromatography to meet process impurity thresholds

    Final product types

    • API (Active Pharmaceutical Ingredients) containing benzofuran framework (e.g., certain antihypertensives, antifungals, neuroprotectants)
    • Isolated registered pharmaceutical intermediates destined for further modification

    2. Agrochemical Herbicide and Pesticide Synthesis

    Leading agrochemical producers source this raw material when developing high-selectivity benzofuran-derived herbicidal and insecticidal actives. Engineering teams utilize its reactive aldehyde for creating furan-based molecular backbones, optimizing efficacy and degradation rates to comply with regulatory residue limits.

    Industry compliance standards

    • FAO/WHO Specifications and Evaluations for Agricultural Pesticides
    • ISO 9001:2015-certified quality management in agrochemical synthesis
    • REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) registration for EU plant protection products
    • Environmental Protection Agency (EPA) registration for new technical materials

    Typical usage ratio

    • 0.2–0.7 molar equivalents in target molecule synthesis, tuning for crop selectivity and environmental fate requirements
    • Process development teams recalibrate dosage to optimize NMR yield and downstream reactivity

    Downstream process integration

    • Assembled in the initial ring-forming step, typically via base-catalyzed condensation, with subsequent chlorination, esterification or etherification depending on target profile
    • Final technical concentrate moves to formulation stage after spectrometric QC

    Final product types

    • Post-emergent herbicides for selective weed control
    • Systemic insecticides based on furan nucleus structures
    • Active ingredients for granular and suspension concentrate pesticide formulations

    3. Fine Aroma & Fragrance Compound Manufacturing

    Specialty aroma compound manufacturers incorporate this aldehyde in restricted-use fine fragrance intermediates and savory flavor blends, capitalizing on the furanic aldehyde’s complex, subtly woody profile. Rigorous trace analysis, allergen control, and process batch record-keeping support compliance for consumer product safety.

    Industry compliance standards

    • International Fragrance Association (IFRA) Code of Practice
    • Food Chemical Codex (FCC) standards for food-grade aroma ingredients
    • EU Regulation (EC) No 1223/2009 on cosmetic ingredients
    • ISO 22716 (Cosmetic Good Manufacturing Practices)

    Typical usage ratio

    • 0.05–0.25% weight-by-weight in fragrance concentrate or food flavor blends; levels adjusted for olfactory intensity and regulatory residuals

    Downstream process integration

    • Blended into aldehyde or furan-rich bases at the compounding stage, typically after essential oil distillates are stabilized
    • Vacuum distillation and headspace analysis ensure purity and profile consistency

    Final product types

    • Luxury fine fragrances and niche artisans’ perfumery
    • Complex savory or smoky food flavoring compositions (subject to local approvals)
    • Exclusively compounded household and personal care aromas

    4. High-Performance Dye and Pigment Intermediates

    Producers of specialty dyes exploit the benzofuran aldehyde’s reactivity for synthesizing chromophore scaffolds applied in high-lightfastness colorants for textiles, plastics, and technical inks. Formulators choose precise mol ratio and process timing to maximize tinctorial strength and batch uniformity, meeting stringent end-user color standards.

    Industry compliance standards

    • OEKO-TEX® Standard 100 for textile safety and restricted substances
    • EN 71-3 for colorants in toys and children’s products
    • ISO 9001-compliant pigment production systems
    • ASTM D5612 for ink and pigment product quality

    Typical usage ratio

    • 0.4–1.2 equivalents per chromophore synthesis based on color intensity goal and substrate compatibility

    Downstream process integration

    • Initiates as a core-building block during condensation or cyclization sequences with anilines or other substituted phenols under controlled heat
    • Followed by salification or solubilization for formulation as dyestuff or pigment pastes

    Final product types

    • Metal-complex dyes for natural- and synthetic-fiber textiles
    • Dispersed pigments for technical and automotive coatings
    • Specialty inkjet and industrial ink colorants
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    Certification & Compliance
    More Introduction

    Introducing 2,3-Dihydrobenzo[B]Furan-5-Carbaldehyde: A Versatile Building Block from the Manufacturer’s Bench

    Groundwork for Precision Chemistry

    Crafting 2,3-Dihydrobenzo[B]Furan-5-Carbaldehyde in our facility pulls together years of process development and a continuous focus on purity and repeatability. As a specialty manufacturer, every batch runs through meticulous control. We understand this intermediate often serves at the core of high-value pharmaceuticals, research-scale bioactive compounds, and advanced material development. Chemists steering a project toward novel heterocycles or targeting unique substitution patterns come to appreciate having a stable supply with narrow impurity profiles. Consistency saves time at each downstream step—tracing a single side-product can eat up days otherwise.

    Chemical Identity and Key Features

    The structure bridges benzofuran chemistry with the functionality of an aromatic aldehyde. This brings dual reactivity: chemoselective transformations at the aldehyde, plus the embedded furan for cycloadditions and ring-modifications. Over time, teams here refined the synthetic route, limiting byproduct formation early and building in purification to suit both gram and multi-kilogram scales. The product’s solid state helps with handling, measuring, and storage—in my own lab use, I’ve never fought clumping or flow issues that slow down bulk weighing.

    For those eyeing finer details, molecular weight and melting point align with literature values. We maintain minimized residual solvents and offer both standard and low-moisture grades by request. Packing occurs in inert, sealed containers; we realized years back that open transfers in humid climates exposed some alternatives to degradation before researchers even opened them. The improved containers also simplify batch tracking.

    Applications: Insights from Practical Synthesis

    Projects looking to introduce an ortho-aldehyde group on benzo-fused furans reach for this molecule, whether the aim involves building aldehyde-linked libraries or initiating further transformations. Medicinal chemistry labs use it as a core scaffold for exploring anti-inflammatory, antimicrobial, and CNS-active molecules. We’ve seen several patent-filing clients request documentation on batch history and analytical data—it often plays a central role in research-stage molecule supply chains.

    Scale-up chemists appreciate that the aldehyde remains reactive enough for condensations (Schiff base formations, oxime syntheses, reductive aminations), but holds up well under controlled oxygen storage when shipped over long distances. Research teams push into Suzuki couplings, cycloadditions, and even custom carbonyl chemistry starting from this base—each time, they count on not having to babysit the stock material.

    Comparing to Related Benzofuran Aldehydes

    Some clients weigh this molecule against simpler benzofuran-2-carbaldehydes or other positional isomers. Our experience: substitution at the 5-position leads to unique reactivity in coupling and cyclization steps, sidestepping the regioselectivity headaches others face with ortho or para-aldehyde analogs. The fused 2,3-dihydro ring modifies the electronics just enough to enable specific challenges—forming certain bonds or ring systems the traditional benzofuran platforms struggle with.

    When project chemists queried us about using alternative aldehydes, we’ve walked them through side-by-side results, including crystallinity, melting point and chromatographic behavior. Even solvents that cause issues for some benzofuran aldehydes tend to behave with this material. Solubility in common media enables quick integration into diverse process streams, especially for pilot-stage work.

    From Lab Benches to Plant Floors: Hands-on Processing

    Companies moving past milligram pilot runs into kilo production value predictable handling. This material’s low volatility helps cut down loss during open transfers, and the manageable dusting means fewer headaches for those working with industrial extractors or solid feeders. It granulates easily if needed for custom reactor charging. Over the years, we tested both glass and lined-steel reactors without noticing problematic deposits—a testament to both our formulation and the compound’s intrinsic stability.

    Those buying in scale appreciate our efforts to document batch timelines, support GMP documentation, and provide on-call technical support that speaks to the hands-on realities of synthesis. If challenges around solids metering or filtration arise, these rarely trace back to the core product, letting project managers keep their focus downstream where value multiplies.

    Addressing Issues Raised in Downstream Use

    No raw material overcomes every process pain point. Over the years, feedback highlighted a few common themes: minimizing trace moisture, preventing cross-contamination from structurally similar byproducts, and guaranteeing direct traceability. Early batches sometimes landed with aldehyde content just under 99%, but improved control of oxidation during purification keeps this reliably above client-requested thresholds.

    For projects where downstream analysis spots unexplained impurities, we openly share our intermediate testing data. Routine GC, HPLC, and NMR traces get archived and made available on request. This builds confidence for those managing multi-step syntheses or regulatory filings. If a customer’s downstream route calls for even higher thresholds than routine high-purity batches, our R&D team offers fractional crystallization or zone-refined options—and works through yield/cost tradeoffs.

    Supporting Sustainable and Safe Practices

    Handling aromatics and aldehydes involves safety and environmental questions that can’t be brushed aside. Over time, we redesigned certain process steps to lower solvent waste, boost batch yields, and cut out halogenated materials wherever possible. Waste streams get treated in compliance with evolving regulatory norms, not just local but with an eye toward customer expectations in Europe, North America, and Asia.

    Packaging choices moved away from basic glass jars toward UN-certified containers and custom-fitted liners, which reduce container failures and accidental spillage. Internal teams conduct in-person training around handling, PPE, and spill response. Our on-site staff regularly review risk registers linked to both plant and logistics steps. It matters not only for regulatory checkboxes, but for keeping high-value R&D projects on schedule and out of the news for the wrong reasons.

    Why This Product Brings Value to Your Research

    The story of bringing 2,3-Dihydrobenzo[B]Furan-5-Carbaldehyde to market reflects years of laboratory problem-solving. We’ve walked the path from 100-milligram NMR tubes to hundreds of kilos boxed and shipped around the globe. Our partners need more than a molecule—they expect reliability, access to technical input when a reaction misbehaves, and honest communication about risks and opportunities.

    Many of the teams we’ve supplied report sharp cuts in their troubleshooting timelines. Purity and physical properties remain consistent from box to box; even after months in warehouse storage, the material behaves as if freshly prepared. For those scaling up medicinal chemistry leads or screening compound libraries, this kind of reliability speeds up go/no-go decisions and reduces wasted cycles.

    Insights for New Users and Established Process Engineers

    New research groups sometimes hesitate to adopt specialized intermediates, wary of potential supply chain hiccups or challenging purification. Our direct relationships with producers of each raw input help lock in reliability. Storage advice offered to clients draws from hands-on experience: cool, dry shelving in amber or lined containers works best, and avoiding repeated on-off refrigeration cycles reduces condensation risk.

    For established manufacturing teams, integrating our material means fewer batch-to-batch process modifications. If a downstream step reveals even a minor side reaction, our technical group dives into root-cause troubleshooting and actively benchmarks solvent compatibility, reaction times, and crystallization behavior. That hands-on partnership often shifts a potential delay into a prompt solution.

    Continuous Improvement and Listening to Feedback

    We rely on our users. Comments, challenges, and “what if” scenarios arriving from chemists worldwide feed directly into ongoing process tweaks. Years of customer feedback led to refinements in crystallization conditions, creating a consistently dust-free powder. Some feedback drove us to introduce a tamper-evident seal program—something we hadn’t originally prioritized, but which now keeps logistics questions straightforward.

    Batches never leave our site without final sign-off on spectral identity and contaminant levels. We learned the hard way that batch variation—no matter how slight—creates headaches on the receiving end. Teams handling rare or high-cost downstream building blocks especially count on avoiding those “why did this change?” conversations at project review.

    The Manufacturer’s Perspective: Trust, Access, and Support

    We work shoulder-to-shoulder with research chemists and process engineers. This translates into transparency about what goes into every batch, willingness to make real-time changes when quality or consistency demands, and an open-door policy toward technical queries. If a research project gets stuck, our in-house team troubleshoots with the same urgency and detail we’d expect from our own colleagues.

    Supply disruptions happen, so we built in secondary production capability. We build generous documentation into every shipment—full batch, analytical, and shipping records—because traceability and compliance come baked in from day one. We saw plenty of failures from other suppliers over the years; our experience shapes every safeguard we add.

    With each kilogram shipped, we aim not just to supply a raw material, but to bolster the work of innovative scientists building tomorrow’s medicines and materials. The stakes are highest when the unexpected happens, and every process step runs smoother when suppliers and chemists speak the same language.

    Next-Generation Uses: Beyond Today’s Pipeline

    Research into 2,3-Dihydrobenzo[B]Furan-5-Carbaldehyde continues to push boundaries in both academia and industry. From new conjugated materials to targeted small molecules and dye intermediates, the applications keep widening. We dedicate part of our R&D effort to mapping solvent-free synthesis, biodegradable packaging improvements, and more efficient recovery and reuse of byproducts. The drive for environmental responsibility reshapes how we build and distribute—changes visible at every step in our workflow.

    Challenges and Solutions for Specific Industries

    Pharmaceutical, agrochemical, and specialty materials sectors each pose their own hurdles. Pharmaceutical developers often need ultra-trace impurity levels and in-depth documentation; we respond by maintaining strict separation between campaigns, including designated plant equipment for each product class. Agrochemical partners need multi-ton scalability and flexibility for building structure-activity studies, pushing us to scale up without sacrificing the analytical controls that smaller projects demand.

    Materials scientists sometimes explore this benzofuran derivative for optoelectronic assemblies or advanced polymer modification. These applications demand narrow particle size distributions and specific solubility profiles—requests we handle by tweaking milling, sieving, and drying conditions at request, always with an eye toward batch reproducibility.

    Reflections from the Manufacturer’s Bench

    Every kilo of 2,3-Dihydrobenzo[B]Furan-5-Carbaldehyde reflects hundreds of decisions made across bench, plant, and logistics teams. We know our buyers count on not just the molecule but the data, advice, and system built around it. Bugs in procedure, tiny impurities, or deviations in packaging can delay huge projects; we tackle those before they reach your doorstep.

    Process efficiency, product reliability, and earned trust shape our choices. By keeping product handling grounded in direct laboratory and production experience, we keep sight of what matters to end-users—not just ticking boxes, but sustaining steady progress from research notebooks to final application.