Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
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3-Coumaranone

    • Product Name 3-Coumaranone
    • Alias 2,3-Dihydro-1-benzofuran-3-one
    • Einecs 202-328-9
    • 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
    Specifications

    HS Code

    618369

    Iupac Name 2,3-Dihydro-1-benzofuran-3-one
    Common Name 3-Coumaranone
    Molecular Formula C8H6O2
    Molar Mass 134.13 g/mol
    Cas Number 1193-02-8
    Appearance White to off-white crystalline solid
    Melting Point 68-71 °C
    Boiling Point 259-260 °C
    Density 1.235 g/cm³
    Solubility In Water Slightly soluble
    Refractive Index 1.556
    Smiles O=C1Cc2ccccc2O1

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

    Packing & Storage
    Packing 3-Coumaranone is supplied in a 25g amber glass bottle, sealed with a screw cap, and labeled with product details and hazards.
    Shipping 3-Coumaranone is shipped in tightly sealed containers made of compatible materials to prevent leakage and contamination. It is transported as a stable solid under normal conditions. The chemical should be kept away from heat sources, direct sunlight, and incompatible substances. Shipping complies with relevant regulations for handling potentially hazardous organic compounds.
    Storage 3-Coumaranone should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from direct sunlight and sources of ignition. Keep it separate from oxidizing agents and strong acids or bases. Ensure appropriate chemical labeling and use secondary containment to prevent leaks. Access should be limited to trained personnel, following standard laboratory safety protocols.
    Application of 3-Coumaranone

    Applications of 3-Coumaranone in Industrial Manufacturing

    3-Coumaranone is an important heterocyclic intermediate with multiple value chains in chemical manufacturing. Our in-house production focuses on purity and batch consistency to support regulated downstream processes. Below we provide detailed industrial applications across recognized sectors, highlighting regulatory standards, recommended ratios, integration steps, and final product types.

    1. Fine Fragrance and Aroma Compound Synthesis

    Our material serves as a core building block in the molecular construction of luxury fragrance bases and aroma chemicals. Perfumery manufacturers employ it to introduce lactonic and woody notes, typically through acylation, hydrogenation, and esterification. Regulatory compliance for use in this sector demands adherence to both international and regional safety norms governing consumer safety and product labeling. Downstream processors optimize ratios based on olfactory profiles and formula volatility. Integration occurs either in bulk synthesis of aroma raw materials or during late-stage compounding in fragrance houses. Final goods are distributed as perfumes, Eau de toilettes, and specialty aroma blends for personal care products.

    Industry compliance standards

    • IFRA Standards (International Fragrance Association)
    • EU Cosmetics Regulation (EC No. 1223/2009)
    • REACH Regulation (EC No. 1907/2006)
    • US FDA OTC Cosmetic Labeling Guidelines

    Typical usage ratio

    • 0.05% – 2% in final concentrate, subject to IFRA category and stability testing

    Downstream process integration

    • Reactant for downstream acylation or transformation to aroma chemicals
    • Direct blending during late-stage fragrance compounding
    • Used in distillation streams for synthetic musk and coumarin analogues
    • Component in formulation testing labs for headspace and performance analysis

    Final product types

    • Fine perfumes and colognes
    • Scented personal care products
    • Flavor and fragrance intermediates
    • Personal air freshener bases

    2. Pharmaceutical Intermediate Manufacturing

    Pharmaceutical API manufacturers select our material as a key intermediate for heterocyclic drug synthesis, especially coumarin-derivatives used in thrombolytic and anticoagulant APIs. Production teams must validate the use within FDA and EMA-defined impurity controls, and only source GMP-grade material with full traceability. Formulators adjust input ratios for desired yields depending on downstream protection group strategies and specific molecular targets. The ingredient passes through condensation, cyclization, or selective hydroxylation prior to purification and API crystallization. Final goods include prescription medication actives and controlled bulk intermediates for onward synthesis.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for APIs
    • USP General Chapter <1078> Good Storage and Shipping Practices
    • European Pharmacopoeia (Ph. Eur.) monographs
    • 21 CFR Part 211 US GMP Guidelines

    Typical usage ratio

    • Varies 0.5 – 5 molar equivalents relative to target moiety, adjusted based on multi-step yield optimization

    Downstream process integration

    • Used as a starting heterocycle in API precursor synthesis
    • Reacted in batch or flow reactors for subsequent cyclization
    • Passes through purification, then compound functionalization prior to API isolation
    • Included in analytical QC for impurity profiling and yield validation

    Final product types

    • Active pharmaceutical ingredient intermediates
    • Anticoagulant drug precursors
    • Research compounds for clinical trial supply
    • Synthetic reference standards

    3. Agrochemical and Crop Protection Synthesis

    Downstream agrochemical formulators utilize our coumaranone within selective herbicide and plant growth regulator development, owing to its structural functionality in lactone-based actives. Production follows national pesticide registration programs, with stringent QC for residue and stability per designated country of use. Manufacturers tailor the input mass fraction to desired biological activity, typically determined after bench-scale screening. The compound integrates into multi-stage reaction flows, serving as a precursor for ring-closure and oxidative modifications prior to formulation into shelf-stable technical concentrates or dispersible granules. The sector outputs regulated bulk actives that undergo further blending before retailing.

    Industry compliance standards

    • OECD Guidelines for the Testing of Chemicals
    • EPA FIFRA 40 CFR Part 152 Subpart E (USA)
    • GB 2763 Maximum Residue Limits for Pesticides (China)
    • ISO 9001:2015 for agrochemical manufacture

    Typical usage ratio

    • 5% – 20% w/w in technical concentrate formulations, adjusted for targeted field efficacy and stability

    Downstream process integration

    • Enters as a core ring precursor in lactone synthesis
    • Subjected to controlled oxidation and alkylation during active ingredient development
    • Integrated into solvent extraction or spray drying procedures for technical grade output
    • Participates in residue and shelf-life testing pre-market release

    Final product types

    • Selective herbicide technical concentrates
    • Plant growth regulator actives
    • Agrochemical formulation intermediates
    • Chemical standards for regulated studies

    4. Specialty Polymer and Resin Modifier Production

    Polymer compounders and specialty resin producers incorporate 3-Coumaranone moieties to impart unique photophysical and structural properties into advanced material systems. Targeted markets include UV-cured coatings, specialty adhesives, and optically responsive resins. Operations must comply with chemical inventory legislation and end-use performance certifications for building materials or consumer goods. Formulations feature precise input ratios governed by degree of polymerization and desired mechanical profiles. The raw material undergoes in situ copolymerization, or reacts during main chain functionalization to yield modified resins or prepolymers, later processed into casting or coating systems. Output includes UV-resistant films, composite adhesives, and cross-linked optical polymers.

    Industry compliance standards

    • RoHS Directive 2011/65/EU
    • EN 71-3 Safety of Toys (migration of certain elements)
    • REACH Regulation (SVHC disclosure)
    • ISO 14001 for environmental management systems

    Typical usage ratio

    • 1% – 10% by weight in copolymer blends, tunable based on final product requirements on UV stability and mechanical strength

    Downstream process integration

    • Introduced during main kettle polymerization as a functional monomer or chain modifier
    • Adopted in solution blending for adhesive base formulation
    • Incorporated into UV-curing bath or masterbatch extrusion
    • Evaluated in QA for compatibility and long-term aging

    Final product types

    • UV-resistant coatings for electronics and automotive
    • Specialty structural adhesives
    • Optically active polymer resins
    • Composite building material additives

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    Certification & Compliance
    More Introduction

    Meet 3-Coumaranone: A Reliable Building Block Manufactured with Precision

    For over two decades in this industry, I’ve put my hands to work with plenty of intermediates, but 3-Coumaranone stands apart every time it rolls out of the reactor. Its structure, both simple and subtle, continues to show new faces in synthesis lines. We follow the traditional route of catalytic cyclization, using high-purity starting materials and temperature control, because few shortcuts ever give the consistency you need downstream. 3-Coumaranone in hand, you know what you’re working with: a colorless to pale yellow crystalline solid that resists time and transport, showing stability across a range of solvents and storage conditions. We keep water and residual solvents to a trace, validated by in-house HPLC and GC systems calibrated against international standards. Each batch, batch after batch, comes with spectral data, but I’ve always placed my trust most in the clean melting point—hovering in the expected 70 to 73°C zone, no fuss, no surprises.

    In the production plant, safety and precision matter as much as yield. Our team monitors reaction kinetics closely. There’s no substituting a sharp eye and an experienced hand for ensuring byproducts stay below the detection threshold. Most years, our purity specification for 3-Coumaranone stretches past 99%, verified lot after lot—a number that isn’t just for the certificate. In the drying room, slight variances in temperature can lead to changes you feel not see, so every technician checks the crystalline bulk by hand before moving to packing. Over the years, the faint, almost sweet aroma has become a regular in the inspection bay, faint proof of correct synthesis, though analysis always has the final word.

    A Key Ingredient in Complex Synthesis

    From our vantage point, 3-Coumaranone isn’t only another commodity. Downstream users see it as a launchpad for pharmaceuticals, agrochemicals, and fragrances. The lactone ring and aromatic core open up several routes: alkylation, acylation, reduction. Chemists working on heterocyclic scaffolds value the stable base it provides. Medicinal chemistry teams routinely order drum quantities, tweaking substitution positions, because 3-Coumaranone scaffolds frequently appear in development-stage molecules aimed at CNS and oncology pathways. On request, we support analysis with up-to-date impurity profiles, so customers can make informed decisions during process design. The dialogue between our floor and their labs shortens troubleshooting, especially when scaling up from test tubes to pilot reactors.

    Comparing with Other Lactones and Aromatic Intermediates

    Plenty of customers ask why go with 3-Coumaranone when δ-valerolactone or even 2-coumaranone offer similar functionalities. The answer comes from the bench. Unlike its positional isomers, 3-Coumaranone brings extra reactivity at the ortho position adjacent to the carbonyl. This often simplifies subsequent ring closures and cyclizations, shaving hours off reaction times and, in some cases, pushing yields higher by several percent. Our experience with hydrogenation shows 3-Coumaranone withstands tough conditions better, allowing for tailored modifications without structural loss. If you work in flavors and fragrances, the compound’s subtle spicy notes carry through synthetic routes, leaving a reliable olfactory fingerprint in the end product, a feature not echoed by many substitutes.

    We source our phenol and propionic acid not just for price, but for consistent quality. Batch-to-batch traceability has solved more problems than new apparatus ever could. Laboratories used to generic intermediates often face unpredictable impurities or unstable melting points. We have learned not to cut corners. Sourcing and process control form the backbone of our manufacturing flow here. Our protocol runs deeper than product spec sheets allow: every raw feed meets a testing regimen we’ve refined after years of customer feedback and regulatory checks. More than once, we’ve worked with a client’s specific analytical method to ensure our 3-Coumaranone slots perfectly into another plant’s QC requirements. That’s the sort of crossover you rarely get from trading houses.

    Environment and Safety in Real-World Terms

    Every chemical operation walks a line between efficiency and responsibility. Here in our facility, nobody ignores the byproducts or the discharge limits. Catalytic runs generate waste acids and spent solvent, but we recycle wherever possible and treat effluent streams in accordance with the most stringent local guidelines. Heat exchangers and ventilation lines see routine checks, because even trace emissions of vapor-phase organic compounds can cause headaches inside and outside the plant. We use closed-system handling, inert gas blankets, and PPE in transport, not only to meet regulations, but to safeguard the community next door. There’s a principle at stake—protection in practice, not just on paper. Our record reflects a decade with no major leaks or incidents.

    Smaller shops sometimes overlook packaging stability. In the early years, we tested several sealing options before settling on lined fiber drums that give superior moisture barrier and protect the crystalline quality, whether shipment heads to humid ports or dry inland terminals. Export shipments go through vibration and stacking tests before they ever leave our docks. Our logistics team takes pride in delivering solid, dunnage-protected sacks to research labs and industrial loading bays alike. Each delivery ends with a follow-up: we want to fix a problem before it ever slows a project down. That’s not just transparency—it’s respect between those who make chemicals and those who push the boundaries with them.

    Supporting Custom Synthesis and Process Innovation

    In the R&D timeline, where days matter and budgets step down every quarter, access to a robust intermediate like 3-Coumaranone carries weight. We’ve collaborated with pharmaceutical process teams troubleshooting cross-coupling bottlenecks, sometimes tweaking our process to meet a specific moisture level or particle size spec. Last year, a customer working on benzofuran derivatives shared feedback: our 3-Coumaranone allowed them to bypass a troublesome recrystallization, reducing solvent use and cycle time in their plant. Real improvements come not from tweaking specs on a spreadsheet, but from joint efforts between production and application chemists. We keep lines of communication open—no anonymous help desk, just seasoned chemists who’ve set up the same glassware as our clients.

    This approach to service extends beyond synthesis. Many times, regulatory hurdles pop up unexpectedly. Our compliance staff know their way through internals of REACH, K-REACH, and TSCA. Early engagement with customers staves off shipment holds and last-minute reformulations which might disrupt a critical launch. Pre-shipment samples, custom analytical reports, and transparent shipping documents—these practices have become everyday protocol.

    What Our Team Has Learned About 3-Coumaranone

    Chemistry rarely runs along straight lines. Early iterations of our process worked, but yields questioned our scale ambitions. Changing catalyst lots brought new learning: reaction times shifted, exotherms stretched, and downstream distillation needed closer control. By building out a robust process-control layout—with real-time monitoring and regular spectroscopic checks—we steadily dialed up both output and reliability. Slow improvement beats dramatic overhaul, especially when your product ends up in active pharmaceutical ingredient syntheses or fine fragrance bases.

    Customers working in diverse geographies report back on real-world results. We ship to multinationals and specialty labs alike; some have to deal with high humidity, others with dry storage. In each case, the batch maintains its qualities—thanks in part to controlled drying and smart packaging choices. Over time, we phazed out less stable containers, favoring those that protect even minute traces of 3-Coumaranone from hydrolysis or contamination. This year, over a hundred clients returned for regular orders without finding a drop-off in performance, echoing our focus on consistency.

    Product safety is more than a regulatory box to check—everyone in the production room faces its stakes daily. 3-Coumaranone does not have the volatility hazards of some intermediates but does demand respect when handled at scale. Localized dust control, splash precautions, and regular equipment audits have become routine. These protocols, built up from real-world incidents and near-misses, help us keep staff safety a reality, not a theory.

    Why We Don’t Compromise on Quality

    Batch fidelity defines daily life in our shop. There’s no hiding behind distributor stocks or opaque paperwork. Each lot of 3-Coumaranone is tracked from start to finish. We run reference-grade NMR, HPLC, and FTIR; even so, no batch moves to storage without a hands-on, cross-team review. Regular plant tours for customers put our process in plain sight. That openness sets us apart from contract resellers who might be a step removed from real manufacturing.

    Years ago, a customer sent back a lot after spotting elevated UV-absorbing impurities. We treated it as a full-plant event review, not just an isolated error. Today, trend analysis flags deviation before any drum makes it out the door. Maintaining such controls pays off: repeat business, lower customer rejection rates, and, maybe most importantly, fewer surprises during large-scale downstream reactions. In a field where small contaminants can ruin an entire campaign, this steadfast commitment to quality saves jobs, time, and trust.

    The Path Ahead for 3-Coumaranone

    Demand trends continue shifting as new applications arise. The move towards greener chemistry has nudged our plant to reduce organic solvent use and recycle in-process materials. In response, we have cut solvent waste per batch by over 20% in the past five years. Next year, we plan to automate parts of the separation process, further reducing manual handling and exposure risks. Advances like these don’t come easy—they are built on thousands of hours spent listening to customer concerns, troubleshooting breakdowns, and reviewing near-miss logs with production staff.

    In specialty markets, we support innovation with flexibility. Sometimes a start-up approaches us seeking a tailored impurity profile, lower volume, or a specific timeline for project-critical delivery. Our track record shows: such requests are best handled by experienced chemical producers, not generic distribution outlets. Every time a new process or regulation surfaces, our team finds ways to match evolving requirements, rather than falling back on standard templates.

    Looking at global markets, sourcing reliability becomes a critical issue during raw material shortages or logistics bottlenecks. We built alternate supplier relationships and invested in raw stock buffers, sparing our customers from the supply dramas that rattled the industry during recent global disruptions. Strategic investments in inventory, plant upgrades, and staff training carry costs, but these steps future-proof not just our 3-Coumaranone line but the success of clients who depend on us.

    Summary of Key Differences and Applications

    Decades in chemical manufacturing have taught us that not every intermediate holds up to the grind of commercial-scale syntheses. Compared to similar lactones, 3-Coumaranone brings superior purity, of-the-moment analytical data, and dependable molecular structure. Its aroma profile, reactivity, and physical resilience result directly from the diligence of trained chemists and technicians who believe in doing things right the first time. In pharmaceutical and flavor chemistry, success hinges on reproducibility. Our hands-on production approach, combined with honest communication, keeps labs running and launches on track. More companies talk up E-E-A-T; we just call it earning each customer’s trust, one batch at a time.

    Solutions for Next-Generation Industrial Synthesis

    By its nature, 3-Coumaranone offers versatility: a robust intermediate that adapts to complex derivatizations and strict regulatory needs. Where others ship generic material or spin up lots only upon confirmed order, our plant schedules recurring runs to keep lead times short and supply chain hiccups rare. Global demand for transparency and sustainability shapes our methods: closed piping, solvent recovery units, and rigorous emissions controls rarely make it to glossy advertisements, but they matter here. Ingredient traceability lives in our daily metadata, but more fundamentally, in the mindset we bring to every kilo shipped.

    Customers deserve intermediates that perform under real-world pressures. Our 3-Coumaranone production remains rooted in advanced analytical controls but makes room for collaboration with end users, laboratories, and auditors alike. This discipline—paired with a real-world attitude toward cost, environment, performance, and outcomes—drives us to improve, rethink, and lead. Every drum that leaves the yard bears the fingerprints and pride of the team that produced it, reflecting years spent mastering a single chemical, one improvement at a time.

    For anyone shaping tomorrow’s molecules, our commitment to consistent, high-quality 3-Coumaranone stands as both a promise and a practical advantage. The work continues—across the plant floor, in customer conversations, and through each reaction flask that starts and ends with this dependable intermediate.