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3-Bromo-1-Benzofuran

    • Product Name 3-Bromo-1-Benzofuran
    • Alias 3-Bromobenzofuran
    • Einecs 631-036-3
    • 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

    206217

    Chemicalname 3-Bromo-1-benzofuran
    Molecularformula C8H5BrO
    Molecularweight 197.03 g/mol
    Casnumber 18212-22-3
    Appearance White to light yellow crystalline solid
    Meltingpoint 56-58°C
    Boilingpoint 287°C
    Density 1.68 g/cm³
    Solubility Slightly soluble in water, soluble in organic solvents
    Smiles Brc1c2ccccc2oc1
    Inchi InChI=1S/C8H5BrO/c9-7-5-10-8-4-2-1-3-6(7)8/h1-5H
    Refractiveindex 1.689

    As an accredited 3-Bromo-1-Benzofuran factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

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    Application of 3-Bromo-1-Benzofuran

    Applications of 3-Bromo-1-Benzofuran in Industrial Manufacturing

    As a direct producer of 3-Bromo-1-Benzofuran, we supply this key intermediate to specialized industries relying on precise chemical synthesis. Below we outline confirmed downstream manufacturing sectors and typical processing details for this molecule, according to actual industry practices and regulations.

    1. Pharmaceutical Active Ingredient Synthesis

    Pharma manufacturers use 3-Bromo-1-Benzofuran primarily as a core building block in the synthesis of benzofuran-derived active pharmaceutical ingredients (APIs), including cardioactive agents and investigational CNS modulators. Its brominated benzofuran structure offers critical selectivity during Suzuki coupling, Buchwald–Hartwig aminations, and nucleophilic substitution steps in drug substance routes. The intermediate integrates at specific alkylation or coupling stages, directly influencing the purity and downstream yield of regulated APIs.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • EU GMP Directive 2003/94/EC for Medicinal Products
    • USP/NF and Ph. Eur. monograph specifications for finished API quality
    • FDA 21 CFR Part 211 (where US market APIs are targeted)

    Typical usage ratio

    • 0.7–1.2 molar equivalents per stage, calculated from stoichiometry and adjusted based on reaction yield assessments and impurity profiles

    Downstream process integration

    • Charged as a key aromatic substrate in palladium-catalyzed cross-coupling reactions
    • Used in multi-step flow chemistry (continuous or batch) during pharmaceutical intermediate assembly
    • Received as a high-purity input for crystalline salt formation of APIs
    • QC sampling aligns with in-process controls for residual bromine and structural confirmation

    Final product types

    • Small molecule APIs for human medicines (e.g., anti-arrhythmic agents)
    • Investigational drug candidates in clinical-scale GMP synthesis
    • Special benzofuran-based intermediates for secondary pharmaceutical manufacturing
    • Reference or impurity standards for pharmaceutical QC labs

    2. Agrochemical Intermediate Production

    Major crop protection developers deploy 3-Bromo-1-Benzofuran in the targeted synthesis of selective herbicide and fungicide actives where benzofuran chemotypes improve biological activity and target affinity. It enters into manufacturing at late-stage aromatic substitution, acting as a key precursor in constructing functionalized moieties unique to patented agrochemicals. Agrochemical producers monitor feedstock traceability in line with crop protection sector regulations and handle process streams under controlled containment.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001-certified QC frameworks for input validation
    • REACH chemical registration (EU markets)
    • GLP (Good Laboratory Practice) for field and lab studies

    Typical usage ratio

    • 0.95–1.1 molar equivalents at the key coupling or halogen exchange step, with adjustment for impurity management and crop label requirements

    Downstream process integration

    • Reacted in batch reactors with Grignard reagents or aromatics for active compound assembly
    • Added in controlled-feed tanks on continuous fine chemical production lines
    • Followed by downstream processes such as crystallization, filtration, and final formulation (granule, liquid concentrate, or wettable powder)
    • Integrated with automated purity and residual analysis during QC release

    Final product types

    • Patented and generic crop protection actives with benzofuran scaffolds
    • Intermediates for fungicide and herbicide technical grade concentrates
    • Pre-mix active blends for downstream formulation plants
    • Reference substances for agrochemical validation laboratories

    3. Specialty Dye and Fluorescent Marker Synthesis

    Manufacturers of advanced specialty dyes utilize 3-Bromo-1-Benzofuran to create fluorescent markers and optical brighteners with enhanced photostability and unique emission properties. The benzofuran backbone is introduced into multi-component condensation or cyclization reactions, directly influencing the chromophore structure and application performance in photonics and analytical labeling. This intermediate is especially relevant in downstream production of materials for bioimaging, cell tracing, and fiber optic applications.

    Industry compliance standards

    • OEKO-TEX® Standard 100 for chemical safety in textile dyes
    • EN 71-3 testing requirements for colorant safety (toys and analytical uses)
    • Manufacturer-specific QC protocols for spectral purity and fluorescence intensity
    • European General Product Safety Directive (for final dye applications)

    Typical usage ratio

    • 3–10% by weight in precursor mixtures, dependent on desired dye intensity and substitution efficiency, with fine-tuning based on emission specifications

    Downstream process integration

    • Added at key coupling step in condensation or cyclization reactors
    • Blended with co-reactants under inert atmosphere for photoluminescent compound assembly
    • Processed via purification and spectral analysis flow prior to formulation
    • QC monitoring for unreacted precursor to meet industrial dye grade requirements

    Final product types

    • Fluorescent dyes for synthetic fiber marking
    • Inspection markers for industrial leak tracing fluids
    • Bioimaging probes for medical and research applications
    • Non-destructive testing reagents in quality control

    4. Advanced Materials Research & Electronic Chemical Manufacturing

    Producers involved in specialty polymers, organic electronics, and high-performance material research employ 3-Bromo-1-Benzofuran for the synthesis of functionalized monomers and small-molecule semiconductors. The compound’s structure enables direct halogen cross-coupling to form complex benzofuran-containing π-systems for organic field-effect transistors (OFETs), OLEDs, or photoconductive resins. Researchers and scale-up integrators adjust precursor concentrations to tune material properties during iterative product development or pilot-plant scale runs.

    Industry compliance standards

    • ISO 9001 and ISO 14001 quality and environmental management systems
    • RoHS Directive compliance for finished electronics
    • REACH pre-registration for new chemical entities (EU)
    • Internal material characterization and purity specifications for electronic-grade chemicals

    Typical usage ratio

    • 0.5–4.0% by weight (or as stoichiometric equivalents) depending on molecular design and target end-use properties, titrated per batch record and analytical feedback

    Downstream process integration

    • Reacted with organometallic catalysts in monomer synthesis units
    • Blended with other functional groups during small molecule or oligomer preparation
    • Introduced in continuous flow reactors for advanced polymer R&D
    • Finished material assessed via NMR and GPC for structural verification

    Final product types

    • Conductive and semiconductive organic layers for electronics
    • Photoreactive resins for microfabrication
    • Custom benzofuran-based polymers for coatings or membranes
    • Material standards for R&D performance benchmarking
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    Certification & Compliance
    More Introduction

    Introducing 3-Bromo-1-Benzofuran: Unlocking New Pathways in Chemical Synthesis

    Understanding the Core of 3-Bromo-1-Benzofuran

    3-Bromo-1-Benzofuran stands out thanks to its unique ability to shape chemistry in creative ways. With the molecular structure of C8H5BrO, this compound gives chemists a critical building block that supports the search for novel pharmaceutical agents, agrochemicals, and material science breakthroughs. The bromo group at the third position doesn’t simply serve as a label; it actively drives the synthesis of new molecules by acting as a springboard for further modification. The benzofuran core, familiar in natural products and drug discovery, means that anyone handling synthesis or research will likely see immediate possibilities when a sample of 3-Bromo-1-Benzofuran arrives.

    Years of laboratory experience often show: working with an aromatic bromide can be the difference between tedious, low-yielding routes and a streamlined journey toward a target molecule. In my own projects, swapping a less reactive aromatic starting material for a brominated analog opens up Suzuki or Buchwald-Hartwig couplings without the long drying hours or constant purification headaches. What’s remarkable about 3-Bromo-1-Benzofuran, in particular, is that it smooths the workflow for generating biaryl systems and fused heterocycles that are notoriously stubborn when handled via other methods.

    Specifications that Matter in the Lab

    Purity levels and consistency always make a difference when running a project with tight deadlines. 3-Bromo-1-Benzofuran, available in both reagent and high-purity grades, helps protect against those frustrating repeat runs or awkward mass spectrometry hiccups that can throw off entire weeks of effort. With a molecular weight of 197.03 g/mol and melting points often falling around 31-35°C, the compound usually appears as a pale crystalline solid. This physical form isn’t just for show — solid brominated aromatics pack more punch in batch setups than their more volatile cousins, reducing loss and simplifying storage logistics.

    Anyone who’s spent time tuning a synthetic route knows the headaches that come from subpar material. Plenty of anecdotal evidence, alongside more formal literature, makes clear that pure 3-Bromo-1-Benzofuran means fewer chromatographic cleanup steps and more reproducible downstream results. In some settings, purity greater than 98% isn’t just helpful; it's non-negotiable. Trace contaminants or mixed isomers can derail medicinal chemistry programs or introduce uncertainty into analytical work. The relevance of a dependable supply becomes especially clear when a synthesis needs scale-up, where a stronger supply chain and proper certification underpin regulatory compliance and commercial pitching.

    Shaping Modern Synthesis: Laboratory and Industrial Advantages

    Chemists aiming for efficiency often rely on bromo-substituted heterocycles for their ease of transformation under palladium catalysis. In real-world terms, this means robust pathways toward complex molecules such as indoles, diaryl ethers, and extended π-systems that anchor many pharmacologically active compounds. My own research in medicinal chemistry has benefited from 3-Bromo-1-Benzofuran, especially when testing parallel routes for structure-activity exploration. Instead of navigating cumbersome protection and deprotection strategies or fighting off unwanted side-products, direct functionalization saves solvents, reagents, and lab time.

    Many established protocols report high-yielding cross-couplings using this compound as a starting point. Compared to non-halogenated benzofurans, it supports broader reaction conditions, minimizes byproduct formation, and brings reliability to reaction monitoring. These improvements manifest not only on paper but in the everyday sights and smells of the laboratory — cleaner NMR spectra, reduced need for silica gel, and improved confidence across multiple operators. For groups working in drug discovery, every extra milligram counts, and nothing frustrates more than stalling on a starting material.

    The Competitive Edge: Differentiating 3-Bromo-1-Benzofuran

    While the chemical market features countless benzofuran derivatives, the distinction carried by the bromo group at this position runs deeper than a shift in melting point. From conversations with seasoned synthetic chemists, a recurring theme comes up: the ortho-bromine acts like a magic key for downstream diversification. For instance, arylation, amination, or carbonylation flows more smoothly, compared to the struggle with less reactive halides or direct functionalization of parent benzofurans.

    Bench tests make this difference clear. Needing to install a pyridyl group? Suzuki couplings with 3-Bromo-1-Benzofuran consistently avoid the stubborn yields and side reactions seen with non-brominated or even chlorinated analogs. The relatively moderate reactivity ensures enough selectivity — the reaction goes where it should, not off on unpredictable tangents. This translates to cleaner final products, easier purification, and less bench time fiddling with separation columns.

    Agrochemical developers find further value. They face regulatory scrutiny and strict production timelines. 3-Bromo-1-Benzofuran smooths their route to new heterocyclic scaffolds, which often translates to products with improved environmental profiles. While academic groups may treasure this reagent for its flexibility, industrial chemists cite its robust supply chain and ease of scale-up as primary strengths.

    Applications Driving Demand

    The reach of this compound extends from pharmaceutical research to advanced materials. Drug development stands at the forefront, where the benzofuran core finds placement in antifungal, antiviral, and neuroprotective drug candidates. Recent literature highlights the value of bromo-functionalized intermediates in structure-activity relationship studies, as they enable quick generation of diverse analogs — a lifeline for hit-to-lead optimization cycles. In one campaign, my project team leveraged this route to generate multiple lead compounds in record time, securing critical funding in the process.

    Materials science sees similar gains. Organic electronics and dyes benefit from the benzofuran skeleton’s conjugation, and the bromo group’s position supports new substituent patterns that were off-limits with other starting materials. Research into organic semiconductors and sensors frequently cites 3-Bromo-1-Benzofuran as a key intermediate in the construction of fused ring systems. In short, it’s not just a research commodity — it’s a catalyst for innovation throughout the value chain.

    Quality, Safety, and Reliable Sourcing

    Trust in a supplier grows from batches that show the same value, run after run. In my early career, inconsistent reagents led to delays, broken trust with partners, and even lost clients. A steady supply of high-quality 3-Bromo-1-Benzofuran takes these anxieties off the table, freeing up energy for creative problem-solving.

    Safety and handling always warrant respect. The bromo-functional group calls for proper protective equipment and ventilation. Users must follow up-to-date handling protocols both for their health and for experimental integrity. While its overall hazard profile fits within the typical range for aromatic halides, keeping up with best practices minimizes risk. Reliable documentation and transparent labeling, instead of the cryptic notes or unclear material histories that crop up with some suppliers, make a difference in daily operations.

    Proper storage, usually at ambient or slightly cooler temperatures, helps maintain shelf life and prevents decomposition. Ensuring these basics are in place, backed up by monitoring standards and regular testing, means that labs can focus on discovery instead of troubleshooting.

    Academic and Industrial Collaboration

    Real progress in chemistry rests on partnerships between university researchers and industrial development teams. 3-Bromo-1-Benzofuran acts as a common link across these boundaries. Academics prize it for testing reaction mechanisms or building new chemical libraries, while industry leverages its versatility and supply reliability to move quickly from pilot batch to production.

    One example comes from a collaborative project between a university group focused on green chemistry and their industrial partner aiming for sustainable pesticide candidates. The shared use of this bromo-benzofuran led to a portfolio of heterocyclic candidates synthesized using palladium-catalyzed methods, with minimal waste and high atom economy. This sort of practical joint progress amplifies both academic reputation and business success.

    Potential Solutions to Common Research Hurdles

    Every synthesis has its sticking points, often centering on access to rare or expensive intermediates, inconsistent reagent quality, or lengthy reaction times leading to wasted effort. Teams working with 3-Bromo-1-Benzofuran gain a shortcut: its predictable reactivity trims excess steps out of multi-stage syntheses. For me, shifting to this intermediate meant skipping two protection steps, saving a week of work and reducing solvent use dramatically.

    Ensuring steady, trustworthy access to high-purity material solves another major pain point. Scaling from milligram, through gram, to kilogram quantities, without loss in purity or changes in crystalline form, matters more than flash or exotic characterization. Factoring in environmental compliance, responsible production, and robust supplier relationships builds confidence during audits and regulatory reviews. The best suppliers back up their claims with batch-level analysis reports and transparent communication, helping bridge the gap from benchtop curiosity to industrial process.

    Environmental Impact and Responsible Use

    Environmental stewardship shouldn’t take a backseat, especially as regulatory requirements tighten across global markets. Modern synthesis with 3-Bromo-1-Benzofuran increasingly leverages solvent recycling, greener palladium sources, and streamlined purification. Less waste means lower overall process cost and a reduced carbon footprint.

    Institutions can set up return or recycling programs for leftover materials, encourage solvent recovery, and partner with vendors who share these environmental values. My own teams have implemented lifecycle analyses for synthetic routes involving aromatic bromides, and simple process changes over time have cut waste output by 20%. This not only meets compliance standards but often improves workplace morale as staff see their sustainability ideas put into action.

    Future Trends and Real-World Impact

    The landscape of chemical research shifts quickly, guided by new discoveries and evolving priorities in medicine, agriculture, and sustainable materials. 3-Bromo-1-Benzofuran fits neatly into several of these rising trends, including data-driven drug discovery, rapid synthesis platforms, and green chemistry practices. By offering a versatile and dependable starting point, it empowers researchers to pivot as new project goals emerge.

    Emerging approaches, such as microflow reactors and automated synthesis, benefit from intermediates with predictable reactivity and broad compatibility. My current collaborations in automated medicinal chemistry would struggle to scale or operate on tight timelines without intermediates like 3-Bromo-1-Benzofuran. Tools that provide flexibility while reducing workload, risk, and environmental footprint don’t just raise productivity — they let scientists focus on the breakthroughs that really matter.

    Supporting Innovation Through Smart Sourcing

    Labs, whether academic or industrial, depend on trusted, efficient sourcing practices. Group purchasing networks and stable vendor relationships help control costs and streamline supply chains, especially when demand spikes or logistics become complex. Working through these networks, I’ve seen firsthand how collective bargaining can shrink delivery times and open up access to improved technical support.

    The unsung advantage of this approach comes out during cross-disciplinary projects, which often face coordination issues or conflicting supply needs. Reliable delivery and support, paired with clear documentation for regulators and partners, allow both chemistry and business teams to stay in sync. Over time, this builds institutional knowledge and resilience into any discovery program.

    Bridging Experience and Progress

    Most chemists have favorite reagents — compounds that never seem to fail and cut out unnecessary hassle. 3-Bromo-1-Benzofuran has earned its place in this category for many experienced teams, including my own. It brings together reliability, ease of handling, and transformational capacity in organic synthesis. While no reagent solves every problem, it repeatedly shows up as a solution when others stall.

    Investing time in understanding its reactivity, best practices for storage, and precise sourcing options pays dividends for current projects and builds groundwork for future innovation. Continuing to track advances in coupling chemistry and environmental practice will ensure 3-Bromo-1-Benzofuran remains a mainstay — not just in catalogs but across the labs where new ideas take shape.

    Looking Forward: The Ongoing Role of 3-Bromo-1-Benzofuran

    3-Bromo-1-Benzofuran’s story is still unfolding. As the demands of the chemical, pharmaceutical, and materials science industries grow, so too does the need for trusted intermediates that support every stage of discovery and development. Leveraging real-world insights, best sourcing practices, and a commitment to quality keeps this compound in the spotlight. Teams who build their workflows around such reliable starting points end up spending less time solving supply or purification problems, and more time achieving breakthroughs that matter.