Products

Cyclopentanone

    • Product Name: Cyclopentanone
    • CAS No.: 120-92-3
    • Chemical Formula: C5H8O
    • Form/Physical State: Liquid
    • Factroy Site: No.418 Xinchang Dadao West Road,Qixing Street, Xinchang County, Zhejiang Province,China
    • Price Inquiry: sales7@bouling-chem.com
    • Manufacturer: Zhejiang NHU Co., Ltd
    • CONTACT NOW
    Specifications

    HS Code

    972881

    Cas Number 120-92-3
    Molecular Formula C5H8O
    Molecular Weight 84.12 g/mol
    Appearance Colorless liquid
    Odor Peppermint-like
    Melting Point -58 °C
    Boiling Point 130.6 °C
    Density 0.948 g/cm³ at 20 °C
    Solubility In Water 16 g/L at 20 °C
    Flash Point 31 °C (closed cup)
    Vapor Pressure 10 mmHg at 34.5 °C
    Refractive Index 1.4246 at 20 °C
    Un Number 1915

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

    Packing & Storage
    Packing Cyclopentanone is supplied in a 500 mL amber glass bottle with a tightly sealed cap, labeled with hazard and handling instructions.
    Container Loading (20′ FCL) Cyclopentanone is typically loaded in 200 kg steel drums, with a 20′ FCL accommodating approximately 80 drums, totaling 16 metric tons.
    Shipping Cyclopentanone is typically shipped in tightly sealed, corrosion-resistant containers such as steel drums to prevent leakage and contamination. It must be stored in a cool, well-ventilated area away from sources of ignition. During transport, it is classified as a flammable liquid and must comply with applicable hazardous material regulations.
    Storage Cyclopentanone should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from sources of ignition, heat, and incompatible materials such as oxidizing agents and strong acids. The storage area should be clearly labeled, protected from sunlight, and equipped to contain spills. Keep cyclopentanone away from direct light and moisture to maintain stability.
    Shelf Life Cyclopentanone typically has a shelf life of 2 years when stored in tightly sealed containers, away from heat, moisture, and light.
    Application of Cyclopentanone

    Purity 99%: Cyclopentanone purity 99% is used in pharmaceutical intermediates synthesis, where it ensures high yield and product consistency.

    Boiling point 131°C: Cyclopentanone boiling point 131°C is used in industrial solvent applications, where it improves process safety and evaporation control.

    Molecular weight 84.12 g/mol: Cyclopentanone molecular weight 84.12 g/mol is used in resin manufacturing, where it facilitates polymer matrix compatibility and uniform mixing.

    Low water content (<0.1%): Cyclopentanone low water content (<0.1%) is used in fine chemical production, where it minimizes side reactions and enhances product purity.

    Stability temperature up to 50°C: Cyclopentanone stability temperature up to 50°C is used in adhesive formulations, where it maintains solvent effectiveness during storage and application.

    Refractive index 1.435: Cyclopentanone refractive index 1.435 is used in aroma chemical synthesis, where it contributes to consistent optical properties and product specification compliance.

    Melting point -51°C: Cyclopentanone melting point -51°C is used in coating solutions, where it provides low-temperature processability and stable dissolution.

    Viscosity 2.17 mPa·s at 20°C: Cyclopentanone viscosity 2.17 mPa·s at 20°C is used in paint formulations, where it ensures smooth application and uniform film formation.

    Free Quote

    Competitive Cyclopentanone prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please contact us at +8615371019725 or mail to sales7@bouling-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: sales7@bouling-chem.com

    Get Free Quote of Zhejiang NHU Co., Ltd

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Exploring Cyclopentanone: Practical Insights From the Manufacturer’s Floor

    Decades in Synthesis: Our Story With Cyclopentanone

    For those of us involved in actual production rather than shuffling paperwork or hustling bottles downstream, Cyclopentanone holds a certain straightforward importance. In our plant, every shift tells the story—raw materials enter, chemical reactions take shape, careful distillation starts, and out flows a clear, faintly sweet-smelling liquid that keeps industries moving. Our experience producing Cyclopentanone stretches back decades; we’ve watched its use cases grow and shift as customer needs evolve. Unlike many intermediates that get used and forgotten, Cyclopentanone keeps circling back—for coatings, pharmaceuticals, agrochemicals, and high-end fragrance compositions.

    Core Product Details and Model: Keeping Production Practical

    Our primary offering, the CP500 model, refers to Cyclopentanone produced at a standard assay of 99.5% minimum purity. Over years of refining, this has become our default grade, balancing robust performance in challenging processes with manageable cost. The specification meets or exceeds established European and international quality benchmarks—a level that’s proven necessary for consistent yields and minimal byproduct formation downstream.

    Aside from those solid numbers, what really sets our Cyclopentanone apart is the consistency batch-to-batch. Plant operators know the headaches triggered by even minor variation in raw materials. Tighter boiling range, lower water content, reduced aldehyde residue: these details save time and headaches for technical managers on the shop floor. Each drum, tote, or tanker dispatched from our facility bears the same careful attention to these craft details.

    Getting Into the Chemistry—What Cyclopentanone Delivers

    Most who buy directly from us work with applications that reward Cyclopentanone’s unique five-membered ring structure. It doesn’t just dissolve other substances—it interacts smoothly with a host of other intermediates. As a result, it finds regular demand in processes that synthesize complex molecules where fewer carbon atoms in a closed ring make a difference. Traditional choices like methyl ethyl ketone or cyclohexanone sometimes act too aggressively or lack the right physical properties. With Cyclopentanone, chemists get a solvent that won’t strip delicate intermediates or destroy subtle functional groups.

    You can spot our product in several familiar markets. In crop protection chemistry, Cyclopentanone forms the base for synthesizing horticultural actives where stability matters. Pharmaceutical clients rely on its predictable reactivity in active ingredient synthesis—especially drugs where the backbone starts from a pentanone framework. In coatings and adhesives, Cyclopentanone’s moderate evaporation rate supports smooth film formation. Fragrance customers seek out its soft, sweet note, using the material at the core of musk and jasmine aromas. For all these uses, our manufacturing team constantly tracks shifts in demand and responds to tighter requirements when regulations or environmental standards push things higher.

    Why Specifications Matter: Meeting the Real Needs of Industry

    Order Cyclopentanone directly from a manufacturer, and details like color, purity, and residual moisture take on more meaning than a passing glance. Industrial users have learned the hard way—an uncontrolled impurity can crash a catalytic reaction or give off-note aromas in fragrance blending. That’s why we run every batch past multiple checks: gas chromatography for main component and contaminants, Karl Fischer titration for water, and peroxide testing to exclude unstable batches. If the sample doesn’t match its analytical fingerprint, it gets pulled from the line—no exceptions, even when tight schedules threaten to slip.

    Let’s look at water content. Excess moisture in Cyclopentanone seems trivial, but those trace molecules set off unwanted side reactions in Grignard or Friedel-Crafts processes. Our typical loads run below 0.05%, supporting high conversion rates and sparing operators from troubleshooting sticky messes in reactors. Similarly, we monitor color with rigorous photometric readings to catch the faintest yellow tint—evidence of resin formation during distillation. The goal isn’t perfection for its own sake; it’s about delivering a product that lets our partners move faster, with less waste and fewer surprises.

    Facing the Challenges: Handling, Safety, and Changing Regulatory Contexts

    Manufacturing Cyclopentanone brings its own set of practical realities. Its flammability puts pressure on plant design; we run closed reactor systems under nitrogen and use explosion-proof gear throughout the main line. Years back, solvent fires in the sector led producers like us to revisit everything—from pressure relief vent sizing to earthing protocols around drums. Waste treatment steps up too: trace emissions of Cyclopentanone vapor demand diligent capture and scrubbing. In our experience, ignoring these steps may save short-term money but always creates bigger problems later.

    The regulatory scene never stays still. Restrictions on volatile organic emissions have gotten tighter across much of Europe, the US, and key export markets since the 2010s. For us, this means investing in better condensers and leak detection, and keeping thorough logs of every liter moving through the place. Auditors never ask how clean your raw materials look on paper—they check the solvent capture units, employee PPE routines, and fire marshal sign-offs. Meeting these standards comes at a cost, but no buyer wants a scandal or factory downtime traced to a safety shortcut.

    Handling at the customer facility also requires honest communication. Cyclopentanone comes with warnings about irritation and safe storage, but experience counts for more than data sheets. Over time, we’ve set up programs to train our partners’ teams in safe transfer and drum opening, targeting real-site hazards like static discharge or unplanned vapor exposure. Learning from incident reviews and staff feedback, we’ve adjusted unloading hose materials and recommended new inspection routines for long-haul tankers. As a chemical producer, responsibility doesn’t end at our gates.

    Comparisons With Other Ketones: Why Cyclopentanone Stands Out

    Plenty of companies ask why Cyclopentanone over better-known alternatives. Cyclohexanone and acetone fill shelves and purchase orders worldwide—why dial in this specialty? Based on years at the reactor and feedback from customers’ own labs, the answer rarely comes down to cost or supply. Cyclopentanone brings a different set of boiling and dissolving features to the table. With a boiling point hovering around 130°C, it gives enough working room in heated processes without flashing off too early, which supports staged reactions in multi-step syntheses.

    Solubility maps show Cyclopentanone blending well with alcohols, esters, and even halogenated organics, but avoiding the excessive thinning or loss of reactivity that comes with higher molecular weight ketones. Pharmaceutical processors often return to us after failed cyclohexanone trials—Cyclopentanone’s ring strain supports selected reactions without breaking fragile groups apart. In textile and polymer production, the slightly smaller carbon ring fits where larger cyclic ketones create steric problems or leave residues that disrupt post-treatment steps.

    From a sensory perspective, Cyclopentanone’s scent forms part of its appeal. Unlike acetone or methyl ethyl ketone, which emit aggressive, medical-type fumes, Cyclopentanone maintains a rounded, mildly sweet aroma. Perfumers involved in formulation sometimes request our lowest-impurity batches, knowing that even minor manufacturing side products spoil the delicate profiles needed in high-end personal care. Our small-volume packing division—set up to address these boutique customers—runs entirely separate, minimizing cross-contamination and downtime for cleaning.

    Environmental and Downstream Impact: Managing Our Footprint

    Environmental compliance isn’t a side project here; it shapes nearly every facet of Cyclopentanone production. The sector’s transformation intensified after stricter wastewater limits required by standing agreements with municipal treatment works. Every distillation creates a minor tail of byproduct, and our on-site treatment team separates these streams for solvent recovery and safe discharge. This vital work minimizes total organic carbon loading and cuts into long-term waste disposal costs.

    Many of our agrochemical and drug sector contracts now ask outright about embedded carbon and lifecycle analysis. Plant teams frequently review energy use, heat integration around the high-temperature reactors, and efforts to switch to renewable inputs where feasible. Every uptick in raw material yield from our own in-house cyclization process pays a double dividend: margins hold steady, and our customers see smaller environmental compliance add-ons. As direct manufacturers, we stay accountable for traceability—the audit teams can walk the plant and check each point of origin.

    New buyers often raise questions about global supply stability. Tighter environmental rules in China and the EU sometimes squeeze upstream precursor access. Years of investment in flexible supply arrangements and back-integration help us sidestep bottlenecks and keep promised volumes flowing. We don’t rely on a single secondary supplier for critical inputs; contingency plans keep regular clients supported during raw material swings, ensuring project timelines can keep moving even when raw input markets shake up.

    Real-World Problem Solving: What Direct Manufacturing Adds

    Large-scale end users experience very different pain points from the small-lot traders. Technical managers deal directly with resin build-up, fouling, or unwanted byproduct during long runs. Our support teams work with customer QA labs to diagnose odd color development, haze, or process interruptions. In several cases, our refining department has customized dehydration steps or fractionation cycles to lower carboxylic side products, something distributors can’t deliver. This ongoing dialogue—factory to factory—means that any upstream adjustment in our production is felt and confirmed by hundreds of regulated end users, not just another line in a trading spreadsheet.

    One often-overlooked factor is packaging. Drums and totes sourced from our plant carry full liner documentation and ongoing batch traceability. Several times, customers have reported ditching former suppliers due to container incompatibility or loss of seal integrity during ocean shipping. Our packaging staff rotate stock with shelf life checks and ensure full closure integrity—something that only consistent direct manufacturing can guarantee.

    We’ve learned that consistency saves money and effort in unexpected ways. Once, after an unusual spike in downstream polymer impurities, collaborative troubleshooting traced the source back to minor temperature variance in our reactor jacket. Installing a second inline temp probe on the main still cut that defect rate to zero, keeping our customer’s own line running smoothly. Traders can’t offer that kind of hands-on tweaking.

    Outlook: Building Value With Every Batch

    The Cyclopentanone market has evolved in response to new technologies and stricter downstream requirements. No longer is it enough just to deliver a reasonable drum on time. Customers want more: clear provenance, real adaptability, proof of reduced environmental impact, and the ability to troubleshoot unusual technical problems with someone who remembers the last ten plant retrofits. From custom fractions for fragrance houses to bulk loads tuned for pharma partners’ tight impurity profiles, those direct conversations shape each campaign and every production run.

    In a world that prizes traceability, sustainability, and process control, direct manufacturing brings genuine advantages for both us and our customers. Each container of Cyclopentanone reflects that work: thoughtful chemistry, diligent controls, and a customer-facing culture that listens not just for orders, but for improvements and shared wins. Decades standing by those values put our product into processes that build safer food supplies, new medicines, cleaner coatings, and finer fragrances worldwide.

    Technical Evolution: Responding to Customer Feedback

    Constant improvement doesn’t happen behind closed doors. Production teams track each complaint, odd behavior, or recurring request. A run of customer reports asking for even lower benzene residues in Cyclopentanone led us to redesign our raw input treatment stage. The change wasn’t forced by regulation but by the emerging needs of a few top-end clients who saw stricter downstream testing on their final products. Years ago, one regional partner challenged us to lower particulates to an ultra-fine micron range to suit precision coating film specifications—a requirement not in the chemistry textbooks, yet vital for their new materials division. Small process adjustments then cleared the path for production at these new specs.

    This relationship-based model keeps us invested. Technical managers at our partner plants don’t hesitate to call about pressure drops, film defects, or attempts to boost line speeds. Together, we can review control charts and process data, adjust shipping schedules, and even analyze post-use waste samples to fine-tune future batches. That dialogue ensures that Cyclopentanone remains a practical tool, not just a pass-through commodity.

    Future Directions: Striking a Balance Between Innovation and Stability

    Looking ahead, Cyclopentanone demand may shift again as sustainability metrics gain more weight in procurement decisions. Our laboratory group explores bio-based feedstocks, aiming to lower the fossil footprint without sacrificing purity. Pilot runs suggest that plant-derived input streams can match or outperform traditional bonds in some cases, but scaling up still poses challenges. We share early results and sample batches with trusted long-term clients—they offer unvarnished feedback, sometimes approving, sometimes pushing back on odor profiles or reaction performance.

    There’s also renewed focus on circular economy models. Recent collaborations focus on capturing spent solvent from downstream users and returning it to our purification process, delivering closed-loop service for some high-volume clients. The logistics remain complex, involving careful regulatory navigation and strict separation of waste streams, yet real-world feedback hints at the practical savings and image improvement companies report.

    What stays constant is the importance of trust and technical conversation across company lines. Unlike a faceless intermediary, direct manufacturers carry the duty and the privilege of solving problems at the molecular, batch, and tanker scale. Each advancement—tighter fractionation, improved emission control, real-time batch monitoring—is driven not by speculation, but by the urgent, real-world needs reported by those who depend on our Cyclopentanone every week.

    Building the Next Era, One Reaction at a Time

    From our perspective on the shop floor, Cyclopentanone’s role grows as processes and performance standards sharpen. Every improvement—be it a new fractionation setup or a packaging revamp—results from old-fashioned teamwork, candid feedback, and trust built shift by shift. Whether synthesizing complex pharmaceuticals or composing the next fragrance classic, our product doesn’t just pass through the hands of traders; it’s crafted, reviewed, and delivered with a direct line to the people who use it. That hands-on commitment, rooted in decades of experience and constant evolution, makes the journey from raw feed to final process possible.