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1-(1-Benzofuran-2-Yl)-2-Bromoethan-1-One

    • Product Name 1-(1-Benzofuran-2-Yl)-2-Bromoethan-1-One
    • Einecs 634-597-5
    • 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

    855409

    Iupac Name 1-(1-benzofuran-2-yl)-2-bromoethan-1-one
    Molecular Formula C10H7BrO2
    Molecular Weight 239.07 g/mol
    Cas Number 870-58-0
    Appearance White to off-white solid
    Melting Point 68-72°C
    Solubility Soluble in organic solvents such as DMSO and chloroform
    Smiles O=C(CBr)C1=CC2=CC=CC=C2O1
    Inchi InChI=1S/C10H7BrO2/c11-6-10(12)8-5-7-3-1-2-4-9(7)13-8/h1-5H,6H2
    Storage Temperature Store at 2-8°C
    Hazard Statements Irritant; Harmful if swallowed
    Purity Typically ≥97% (varies by supplier)

    As an accredited 1-(1-Benzofuran-2-Yl)-2-Bromoethan-1-One factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The chemical 1-(1-Benzofuran-2-Yl)-2-Bromoethan-1-One, 25g, is securely sealed in an amber glass bottle with tamper-evident cap and hazard labeling.
    Shipping **Shipping Description:** 1-(1-Benzofuran-2-Yl)-2-Bromoethan-1-One is shipped in tightly sealed, chemically resistant containers under cool, dry conditions. Protection from light and moisture is ensured. Packages comply with relevant transport regulations for hazardous materials, including proper labeling and documentation. Handle with care and store away from incompatible substances during transit.
    Storage Store **1-(1-Benzofuran-2-Yl)-2-Bromoethan-1-One** in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. Keep the container tightly closed and clearly labeled. Avoid contact with moisture, strong oxidizing agents, and bases. Ensure access to appropriate spill containment and store in accordance with local regulations for hazardous chemicals.
    Application of 1-(1-Benzofuran-2-Yl)-2-Bromoethan-1-One

    Applications of 1-(1-Benzofuran-2-Yl)-2-Bromoethan-1-One in Industrial Manufacturing

    1-(1-Benzofuran-2-Yl)-2-Bromoethan-1-One serves as a specialized intermediate in the synthesis of value-added chemicals, especially within the pharmaceutical, agrochemical, specialty pigment, fine fragrance, and advanced materials industries. As a direct manufacturer, we ensure precise specifications for high efficiency in downstream production environments, supporting demanding quality and regulatory requirements for international buyers.

    1. Intermediate for Benzofuran-Based Active Pharmaceutical Ingredient (API) Synthesis

    Major pharmaceutical manufacturers utilize our material for the targeted synthesis of benzofuran-derived APIs, including agents in antifungal and antitumor treatments. The compound is introduced at the bromination step, providing structural bromine incorporation on the ethano bridge. Clean reaction profiles and minimal byproduct formation support downstream purification. Our product enables precise feed in proprietary process routes for API building blocks, aiding compliance with stringent API manufacturing mandates.

    Industry compliance standards

    • cGMP Guidelines (ICH Q7)
    • US FDA 21 CFR Part 211
    • 2015 Chinese Pharmacopoeia – Benzofuran derivatives section
    • EMEA Quality of Medicines standards

    Typical usage ratio

    • Concentration varies by target molecule — typically 1.0 to 1.2 mol equivalents in stepwise bromination. Ratio fine-tuned depending on yield and purity requirements.

    Downstream process integration

    • Charged during selective halogenation and ethano coupling steps in multi-stage synthesis of advanced intermediates for APIs
    • Feeds directly into N-alkylation or Suzuki-Miyaura coupling reactions
    • The high-purity standard supports direct transfer without re-crystallization

    Final product types

    • Benzofuran-based antifungal agents (e.g., voriconazole intermediates)
    • Novel antitumor and anti-inflammatory APIs
    • Specialty pharmaceutical intermediates for R&D and commercial scales

    2. Synthesis Intermediate for Agrochemical Building Blocks

    Leading crop protection manufacturers introduce the compound into benzo-fused structures during plant protection active ingredient production, especially where halogenated furans are needed for bioactivity. Used as a key halogen donor, the material is precisely dosed in product pipelines requiring reliable batch-to-batch consistency. Our QC ensures each lot matches downstream conversion targets necessary for high-value pesticidal and fungicidal products.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 for agrochemical intermediates
    • REACH Regulation (EC 1907/2006) for European market access
    • Chinese National Standard GB 20812-2006 on pesticide manufacturing

    Typical usage ratio

    • Generally applied at 0.8–1.3 molar equivalents per targeted crop protection intermediate. Depends on desired halogenation density and downstream structure-activity optimization.

    Downstream process integration

    • Direct feed into batch or continuous bromination lines at the fine chemical plant
    • Added at the step preceding final heterocycle closure or before coupling with core active moieties
    • Offered in bulk packing adapted to integrated production lines for minimal transfer loss

    Final product types

    • Benzofuran-derived insecticide intermediate compounds
    • Halogenated fungicide active cores
    • Novel experimental herbicidal scaffolds for field trials

    3. Specialty Dyes and Organic Pigments Manufacturing

    Specialty pigment producers leverage this compound as a precision functionalization agent in the controlled modification of benzo-furanic chromophores. It is introduced during the derivatization step that imparts colorfast brominated motifs into pigment backbones, allowing for extended light stability and fine-tuning of chromaticity in final dispersions. Our production supports high-purity specifications demanded by pigment manufacturers serving advanced coatings and plastics industries.

    Industry compliance standards

    • EU REACH Annex XVII restrictions for pigment organohalogens
    • ISO 18451-1:2019 Pigments and Extenders
    • EN 71-3 Safety of toys (for pigment applications in children’s products)
    • German BfR IX Recommendation for food contact colorants

    Typical usage ratio

    • Dosage typically in the range of 2–10% by weight of total pigment precursor, adjusted per synthesis table for target intensity and hue shift.

    Downstream process integration

    • Used at controlled temperatures during the bromination/furan integration phase of pigment manufacture
    • Milled with cosolvents to ensure homogenous reaction with organic matrices
    • Introduced as the terminal derivatization agent for lightfast pigment series

    Final product types

    • Specialty brominated benzofuran pigments for automotive coatings
    • High-stability organic dyes for plastics and packaging
    • Pigment granules for synthetic fiber coloration

    4. Fine Fragrance and Aroma Chemicals Synthesis

    Producers of fine fragrance bases utilize this building block in the construction of benzofuran-derived aroma chemicals, prized for their woody and sweet balsamic nuances. Its introduction in stepwise synthesis imparts signature scent characteristics unique to halogenated furanoids, matching premium perfumery standards. High purity supports minimal off-notes and batch odor consistency, which are essential for international branded fragrances.

    Industry compliance standards

    • IFRA Code of Practice (International Fragrance Association)
    • EU Cosmetics Regulation (EC) No. 1223/2009
    • Good Manufacturing Practice (ISO 22716) for ingredient handling
    • US TSCA Inventory Listing

    Typical usage ratio

    • 0.5–3% by weight of total aroma chemical blend, sometimes lower for trace note creation; determined by final fragrance formulation needs.

    Downstream process integration

    • Introduced during the controlled synthesis of specialty aroma intermediates, often as the last halogenation before distillation of the finished accord
    • Processed in inert atmosphere glass reactors to preserve product purity
    • Delivered in sealed containers for direct transfer to formulation labs

    Final product types

    • Benzofuran-based aroma chemicals used in designer fragrances
    • Signature woody-balsamic bases for fine perfumery
    • Intermediate notes for high-end personal care scents

    5. Precursor for Advanced Electronic and Photonic Materials

    Producers of organic semiconductor and photonic materials adopt this specialty intermediate for constructing donor-acceptor conjugated systems, exploiting the unique electronic properties of benzofuran frameworks. The bromine moiety enables selective cross-coupling in controlled environments, delivering extended conjugation lengths needed for high-performance organic optoelectronic devices. Each batch undergoes stringent QC for trace metal and color stability, essential for reproducibility in material science applications.

    Industry compliance standards

    • RoHS Directive 2011/65/EU for restricted substances in electronics
    • ISO 9001:2015 for specialty electronic grade chemicals
    • IPC-4101C for base materials used in printed wiring boards
    • REACH pre-registration for R&D materials

    Typical usage ratio

    • Typically 0.8–1.5 molar equivalents in targeted Suzuki or Stille cross-coupling reactions; the exact amount determined by required conjugation length and device performance metrics.

    Downstream process integration

    • Fed into organic synthesis routes leading to polymerizable benzofuran blocks
    • Dosed alongside transition metal catalysts in inert systems to control side reactions
    • Shipped in high-barrier packaging to prevent moisture and oxidative degradation during storage and transfer

    Final product types

    • Benzofuran-based OLED and photovoltaic materials
    • Functional organic semiconductor inks
    • Photonic layer precursors for display manufacturing
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    Competitive 1-(1-Benzofuran-2-Yl)-2-Bromoethan-1-One prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Introducing 1-(1-Benzofuran-2-Yl)-2-Bromoethan-1-One: What Sets It Apart

    Anyone who works directly in fine chemicals understands the challenge of delivering reliable and consistently pure building blocks to innovative labs every day. As an actual manufacturer, we pay attention to small details that make a large impact downstream, from reaction specifics to safety protocols—not because regulations ask for it, but because every batch and every user’s outcome matters to us. That level of care is at the root of our work with 1-(1-Benzofuran-2-Yl)-2-Bromoethan-1-One, a specialty intermediate that has found a place in both traditional discovery labs and future-facing development projects.

    From Raw Materials to a Reliable Molecular Tool

    Our production of 1-(1-Benzofuran-2-Yl)-2-Bromoethan-1-One grew in response to increasing demands for selectively functionalized benzofuran derivatives, which can serve as critical handles in the synthesis of active pharmaceutical ingredients, advanced materials, and agrochemical scaffolds. Over several years, we refined our route to limit impurities: Bromination reactions rarely go as planned in theory books, and controlling side-chain halogenation often means extra steps. In our plant, skilled operators directly monitor the crystallization and drying stages. They know visual cues such as color and granule texture can indicate the right endpoint long before an HPLC trace comes back.

    We produce this compound as an off-white to light tan solid, offering a purity specification consistently above 98%, frequently surpassing this threshold with careful purification. Moisture management stays front of mind—not simply because excess water can impact downstream chemistry, but because the presence of highly reactive bromoethanone alongside a benzofuran core invites hydrolysis if vigilance slips even for a day. Each lot is tested using multiple analytical methods, including NMR and GC-MS, with certificates reflecting real spectra, not generic templates.

    Usage Insights: Beyond the Spec Sheet

    End users have taught us a lot about this compound’s value. Medicinal chemists appreciate how the activated bromo position offers access to elaborated heterocycles; they use it for point modifications, coupling reactions, and the construction of libraries for drug lead screening. It’s also come up in custom synthesis requests for fluorescent markers and advanced electronic materials, where the benzofuran unit's aromaticity grants unique optical properties. Precision in the manufacturing lot shows up plainly: a faint impurity might not matter by academic standards, but a high-throughput research team will spot downstream issues that only hands-on manufacturers recognize.

    Many users attempt direct substitution of this compound for other 2-bromoacetophenone derivatives. In reality, the fused benzofuran structure shifts reactivity and leads to different selectivity in O- and N-alkylation steps, not to mention a distinct odor profile—a small but telling sign for those who have worked long hours handling small-scale preparations in glassware. We share these operational quirks openly, because routine substitutions can lead to wasted resources when selectivity diverges from standard expectations.

    Production Choices: More Than Just the Chemistry

    Setting up large-scale preparation involves choices most traders never face. Commercial bench-scale material might not resemble production runs. For example, sourcing high-purity benzofuran starting material means direct partnerships with primary suppliers and tight incoming QC control. Batch reactions in jacketed vessels allow for close temperature holding at each stage; we know that even a few degrees above target can tilt the product ratio towards unwanted byproducts. As actual manufacturers, we’ve seen how maintaining strict protocol stability from the start prevents quality headaches later—and prevents our clients from having to run extra columns or re-check assay levels.

    Solvent handling is also critical. Chasing trace halogen impurity removal isn’t about box-checking; it’s about respecting the purity thresholds that advanced synthesis workflows demand. Not a single drum leaves a facility without full traceability on relevant heavy metals and residual solvents. Our on-site team records every deviation in process and outcome, using this real-world feedback to refine SOPs for future runs. We find that transparent collaboration with users—down to sending out physical retention samples—makes all the difference in ongoing relationship quality.

    The Human Side of Manufacturing: Risks, Small Wins, and Choices

    Safety isn’t just an abstract priority—it’s about recognizing that this compound’s reactivity, combined with bromo and benzofuran motifs, creates hazards if handled casually. Gloves degrade rapidly; airborne dust needs controlling with local exhaust and personal monitoring. For us, every production cycle starts with reinforcing handling routines: Nothing is taken for granted, and feedback loops with the floor staff mean issues get flagged before becoming systemic quality risks. The people who enter the clean rooms and run the reactors know from experience that shortcuts only catch up later—sometimes after several years of repeated process scale-ups.

    Looking back over hundreds of runs, we realize the biggest improvements came not from equipment upgrades, but from staff noticing subtle patterns: discoloration hinting at overexposure to air, changes in melting point range reflecting moisture ingress, or the tendency for certain batches to ‘cake’ differently based on atmospheric pressure shifts. We actively encourage these observations, tying them to direct batch records and tailoring the next synthesis accordingly. As a result, the variability between lots has dropped year after year—not because of luck, but due to accumulated trial-and-error wisdom.

    How This Compound Differs from Similar Intermediates

    There’s no shortage of halogenated acetyl compounds in the chemical marketplace. What we hear from users is that 1-(1-Benzofuran-2-Yl)-2-Bromoethan-1-One carves out a niche, thanks to its ability to deliver reactivity that balances between classic bromoacetophenones and more complex heterocycles. This balance gives synthetic chemists more options: For example, the oxygen atom in the benzofuran core can steer selectivity in nucleophilic addition, compared to plain acetophenone analogs. Subtle electronic influences of the fused ring deliver differences noticeable in coupling reactions—sometimes modest shifts in yield, sometimes wholesale changes in the product profile after cyclization.

    For research teams transitioning from bench-scale work to larger quantities, this compound’s handling features come into sharper focus. It tends to crystallize more efficiently, separating easily from many reaction byproducts—important for minimizing solvent loads and streamlining workup. In some cases, the melting point spread is tighter than with halogenated indanones or thienyl analogs, a detail that only comes through repeated multi-kilo syntheses. These kinds of firsthand operational markers aren’t obvious from digital catalog entries; they emerge from sustained manufacturing engagement and customer dialogue.

    Direct Experience: Making Reliable Intermediates for the Field

    Being a manufacturer rather than a reseller puts us in continuous contact with the practical realities of this molecule’s life cycle. Shipping and storage present their own troubles: temperature fluctuations in warehouses and in transport vehicles can impact shelf life, so we pack with desiccants and monitor exposures. Feedback from a partner in a coastal region led us to switch up our packaging in humid months, reducing the risk of surface oiling or slow hydrolysis—something that would never come up on a generic product sheet.

    Process efficiency matters just as much as raw purity. With 1-(1-Benzofuran-2-Yl)-2-Bromoethan-1-One, we see real-world savings through reduced purification effort in many downstream syntheses. That means customers’ time and solvent bills drop, and waste streams decrease, beneficial both financially and environmentally. We’re not chasing theoretical yield maximization here; small differences in scalability, reproducibility, and environmental footprint shape our decisions at every run. Open discussions about supply chain robustness help users plan long-term projects, especially in pharma R&D timelines that stretch over years.

    Quality Control That Goes Beyond the SOP

    There’s an ongoing tension between setting formal specifications and learning from lived experience. As practitioners, we maintain a discipline of lot-by-lot analytical data archiving, not just for compliance but to help diagnose outlier results and support sophisticated research partners. Every specification sheet travels with a chain of custody, and any deviation—be it a cloudy product solution, faint off-smell, or NMR anomaly—triggers immediate investigation.

    This systematic approach ensures each batch aligns with both regulatory and user-driven expectations. Consistent feedback from pharma and academic collaborators shapes our internal benchmarks; if someone flags an issue with trace contamination or excess volatility, we’ll adjust our operations, not just offer an apology. We find this proactive posture earns repeat partnerships and improves our own learning curve over time.

    Opportunities and Obstacles: Customization and Scalability

    We’ve worked on tailored modifications of the synthetic route to create isotopically labeled products and symmetrical analogs. Not every request is practical, but these collaborations deepen our pool of operational expertise. Sometimes, a seemingly minor parameter—solvent blend, filter media grade, crystallization temperature window—transforms both manufacturability and downstream usage. By keeping a steady dialogue with knowledgeable users, we manage to anticipate challenges before they escalate, supporting both small custom batches and more routine kilo-scale orders without sacrificing quality.

    On the flip side, scale-up brings new headaches. Heat distribution shifts and agitation rates need constant adjustment; what works on a two-liter scale may fail at two-hundred liters. The actual bottlenecks in production become apparent only after multiple iterations and real-time problem-solving. There’s no substitute for firsthand troubleshooting here; reliable product outcomes stem from repeated hands-on refinement, not from copying lab literature.

    Responsibility to Users and the Industry

    It’s not just about churning out tonnage. As manufacturers, we support research progress—and that means each drum or flask needs to deliver the properties our clients count on. Instances where global supply chains stress-test raw material access or regulatory climates change, we invest in local sourcing and in-house analytical expansion, instead of passing risk onto our customers. Collaboration with our users has been key to refining both process and product; their feedback drives both incremental and breakthrough improvements.

    We also take responsibility for environmental impact. By recycling reaction solvents wherever possible and improving waste capture, we lighten the environmental load of specialty chemical manufacturing. Our QC-driven documentation process extends from environmental compliance records to individual batch outcomes, reflecting our intention to do right by both users and the environment.

    Concluding Thoughts: Making a Difference with Every Batch

    Our experience manufacturing 1-(1-Benzofuran-2-Yl)-2-Bromoethan-1-One has taught us that every aspect—the chemistry, the equipment, the staff, the customer communication—matters more than most realize. From production line to end-user bench, small manufacturing choices become amplified over time. Teams that buy direct from chemical manufacturers know the difference: traceability, openness to feedback, willingness to troubleshoot, and hard-earned reliability all factor into project success.

    The value of a quality intermediate extends far beyond purity figures on a COA. What matters is the chain of trust built on real expertise, open dialogue, and shared drive toward better science. As the original manufacturer, we stand behind every lot, drawing on years of direct experience and daily vigilance. In this line of work, earning trust means showing up batch after batch—never cutting corners, always learning, always improving. For everyone working toward complex targets, that reliability makes all the difference.