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Cyclopentanone-2-Carbonitrile

    • Product Name Cyclopentanone-2-Carbonitrile
    • Einecs 629-680-8
    • 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

    550429

    Iupac Name 2-Cyanocyclopentanone
    Cas Number 3958-60-7
    Molecular Formula C6H7NO
    Molecular Weight 109.13 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 74-76 °C at 3 mmHg
    Density 1.08 g/cm³
    Refractive Index 1.464-1.468
    Solubility Slightly soluble in water; soluble in organic solvents
    Smiles C1CC(C(=O)CC1)C#N
    Flash Point 110 °C
    Synonyms 2-Oxocyclopentyl cyanide

    As an accredited Cyclopentanone-2-Carbonitrile factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 250g amber glass bottle with airtight screw cap, labeled with chemical name, hazard symbols, supplier details, and batch number.
    Shipping Cyclopentanone-2-carbonitrile is shipped in tightly sealed, chemical-resistant containers to prevent leaks and contamination. It is transported according to regulatory guidelines, with proper labeling for hazardous materials. The package is cushioned to minimize breakage during handling, and documentation ensures compliance with safety, environmental, and customs regulations for chemical shipments.
    Storage Cyclopentanone-2-carbonitrile should be stored in a cool, dry, and well-ventilated area, away from heat sources, open flames, and direct sunlight. Keep the container tightly closed and clearly labeled. Store separately from incompatible substances such as oxidizing agents and strong acids. Use appropriate chemical-resistant containers and ensure access to spill containment and emergency procedures.
    Application of Cyclopentanone-2-Carbonitrile

    Applications of Cyclopentanone-2-Carbonitrile in Industrial Manufacturing

    Cyclopentanone-2-Carbonitrile serves as a specialized intermediate in several high-value industrial sectors. As a manufacturer, we supply this material to downstream producers requiring strict process and quality control for precision synthesis. Below, we detail distinct application scenarios based on verified use cases, with technical guidance for formulation, compliance, and integration.

    1. Pharmaceutical Intermediates for Heterocyclic Drug Synthesis

    Pharmaceutical companies use Cyclopentanone-2-Carbonitrile as a building block for synthesizing nitrogen-containing heterocyclic compounds, including those used in central nervous system therapies and antiviral agents. The raw material provides a controlled reactivity for nucleophilic substitution and cyclization steps. Integration within GMP-certified processes ensures reproducible yields and traceability. Its purity and structural characteristics directly affect the quality of active pharmaceutical ingredient (API) precursors, demanding batch-level QC and full analytical traceability.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for APIs
    • 21 CFR Part 211 (US FDA)
    • European Pharmacopoeia (Ph. Eur.) Monograph Compliance
    • USP General Chapter <1086> Impurities in Drug Substances

    Typical usage ratio

    • 0.95–1.05 molar equivalents, adjusted according to target heterocycle and desired substitution pattern; excess avoided to prevent by-products

    Downstream process integration

    • Charged directly into controlled batch reactors after solvent charging and inert atmosphere setup; followed by condensation or ring-closure reactions

    Final product types

    • Pyrrolidine-based APIs (e.g., antipsychotic intermediates)
    • Antiviral agent precursors
    • Specialty CNS-active drug intermediates
    • Chiral building blocks for synthetic chemistry

    2. Agrochemical Active Ingredient Synthesis

    Major crop protection companies employ Cyclopentanone-2-Carbonitrile for the construction of key scaffolds in selective herbicides and insecticides. The nitrile moiety allows for functionalization steps, such as amination and hydrolysis, leading to bioactive compounds. The material's batch traceability and compliance with agrochemical purity standards are essential for consistent biological activity and regulatory approval in final formulations.

    Industry compliance standards

    • OECD Good Laboratory Practice (GLP)
    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 Quality Management for Chemical Synthesis
    • REACH Regulation (EC) No 1907/2006 for chemical registration in the EU

    Typical usage ratio

    • 1.0–1.2 molar equivalents, selected based on the selectivity of the desired reaction and the reactivity of the partner compound

    Downstream process integration

    • Added to multipurpose synthesis lines following solvent and catalyst charging; involved in step-growth or convergent synthesis routes to construct active moieties

    Final product types

    • Pyridine-based herbicide intermediates
    • Nitrile-derived insecticides
    • Systemic fungicide precursors
    • Seed treatment formulation components

    3. Specialty Fragrance Intermediate Manufacture

    Producers of synthetic aroma chemicals utilize Cyclopentanone-2-Carbonitrile for creating unique cyclic ketone derivatives that serve as high-value fragrance ingredients. The compound's structure enables targeted modifications in perfumery aldehydes and musks. All manufacturing steps require compliance with international fragrance association purity criteria and allergen content monitoring, as formulations reach regulated markets.

    Industry compliance standards

    • IFRA (International Fragrance Association) Code of Practice
    • REACH Annex XVII Restrictions (EU)
    • ISO 22716 (Cosmetic GMP)
    • Ecocert / Cosmos standards for raw material acceptability (where applicable)

    Typical usage ratio

    • 0.5–1.0 molar equivalents, depending on target esterification or reduction transformation; adjusted to minimize odor impurities in the final concentrate

    Downstream process integration

    • Introduced in batch-run reactors with temperature control prior to acid/base catalyzed transformations for musk and ketonic fragrance synthesis

    Final product types

    • Musk ketone analogues
    • Cyclopentane-derived fixatives
    • Base notes for fine fragrances
    • Encapsulated aroma releases for air care

    4. Custom Polymer Modifier and Chain-Stopper Production

    Cyclopentanone-2-Carbonitrile serves in the advanced polymer industry as a reactive modifier and chain-stopper for synthesizing specialty copolymers. Commercial resin producers integrate this intermediate into controlled anionic or free-radical polymerization to adjust molecular weight and end-group functionality. Its use is regulated by polymer sector additive guidelines, requiring a robust analytical verification for trace contaminants in high-performance plastics and coatings.

    Industry compliance standards

    • EN ISO 9001 Quality Management for Polymer Manufacturing
    • ASTM D638 / D883 polymer testing standards
    • FDA 21 CFR 177.1680 (for indirect food contact polymers, where applicable)
    • China GB 4806.6 National Food Safety Standard for Resins (if produced for certain Asian markets)

    Typical usage ratio

    • 0.1–2.0 wt% of total polymer batch; level assigned based on desired chain length, melt flow, and final application (films, coatings, adhesives)

    Downstream process integration

    • Added at the polymerization propagation or termination stage, ensuring efficient capping of growing polymer chains or modulation of copolymer architecture

    Final product types

    • Modified engineering plastics
    • Specialty polymer coatings
    • High-molecular weight adhesives
    • Custom copolymer elastomers
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    Certification & Compliance
    More Introduction

    Cyclopentanone-2-Carbonitrile: A Manufacturer’s Perspective

    Understanding the Chemistry

    In the world of fine chemicals, Cyclopentanone-2-Carbonitrile stands out for its unique structure and functionality. Over years of running chemical reactors and refining processes, I’ve seen how the five-membered ring backbone coupled with a nitrile group offers pathways to molecules with serious application potential. The underlying chemistry gives it robustness against many reaction conditions, which means fewer headaches on process lines and more predictable results for downstream applications.

    A practical understanding of this compound’s stability and reactivity matters more than theoretical charts. From a production standpoint, our control of the moisture content, trace impurities, and residual solvents makes a difference in batch-to-batch consistency, especially when end-users demand reliability. The specification for purity aligns with the high demands of pharmaceutical and agrochemical intermediates. Typical purity reaches at least 98%, with low water content, because application performance suffers if these criteria slip. One spoiled batch in a finished product, whether in a drug intermediate or a specialty polymer, means not just wasted materials but also lost production hours, customer trust, and unnecessary costs.

    How Cyclopentanone-2-Carbonitrile Works in Application

    Research and development teams continually seek intermediates that help streamline synthesis routes. Cyclopentanone-2-Carbonitrile’s structure allows nucleophilic additions, condensation, and reduction reactions, which means chemists save steps during total synthesis. This not only shortens production timelines, but it also improves overall yield and margin for each kilogram produced.

    In the pharmaceutical sector, time to market for new molecules makes all the difference. Chemists gravitate toward intermediates that offer flexibility. Cyclopentanone-2-Carbonitrile’s balance between reactivity and stability means new ideas can progress from bench tests to scale-up feeds without significant reformulation. This is not theory — it’s experience speaking, having watched projects falter over unstable or impure intermediates, which throw an entire process off track.

    More than once, we’ve seen how minor structural changes in core intermediates ripple outward. Transforming a substituent or ring configuration can introduce regulatory hurdles, patent issues, or synthesis headaches. By maintaining narrow controls over the molecular structure and impurity profile, we help researchers avoid such surprises and keep their focus on innovation rather than troubleshooting.

    End-Use Case Studies and Unmatched Versatility

    A few years ago, we worked closely with a specialty materials company seeking a novel precursor for functionalized polymers. Their chemists struggled with ring-opening and cross-coupling reactions using cheaper starting materials; yields kept dropping and side products piled up. Introducing Cyclopentanone-2-Carbonitrile into their route lifted yields by almost 15%. Over a production campaign, that gain brought six figures to their bottom line. Just as important, it reduced the waste stream, cutting post-processing costs and simplifying disposal compliance.

    We also support contract manufacturers making custom substances for crop protection agents. Their synthesis process often demands high selectivity for introducing nitrogen functions into cyclic structures. Cyclopentanone-2-Carbonitrile fits into these schemes without the byproduct headaches associated with simpler nitriles or more volatile cyclic ketones. One customer reported that the switch shaved two process steps from their old method, lowering both their energy use and cycle time.

    Several academic labs have approached us for small batches, aiming to push chemical frontiers in pharmaceutical research. Their feedback points to the value of consistent, high-purity batches so their experiments track properly week to week. Making small quantities at the same spec as production-scale lots carries a cost, but getting meaningful, reproducible data justifies the attention to detail.

    How This Product Differs from Related Chemicals

    It’s common for buyers new to the field to ask about differences between Cyclopentanone-2-Carbonitrile and similar intermediates — alpha-substituted nitriles, open-chain ketone nitriles, and even structurally similar cyclohexanone derivatives. The cyclopentanone core, compared to a cyclohexanone, brings ring strain effects that actually increase some reaction rates, depending on the transformation. We’ve seen nucleophilic attack occur with fewer side reactions, which allows for easier purification of the target molecule after the key synthetic step.

    Many less-experienced buyers don’t realize that open-chain analogues, while seemingly easier to make, break down under conditions that Cyclopentanone-2-Carbonitrile handles without a hitch. Real-world process chemists appreciate this difference. Reduced breakdown during reaction runs means lower per-batch costs and improved safety — runaway reactions or off-gassing can grind a line to a halt. Our own plant has seen the value firsthand, especially on longer campaigns where downtime equals real dollars lost.

    Beyond structure, another critical difference involves physical properties. Cyclopentanone-2-Carbonitrile flows and dissolves better in common organic solvents than some of the bulkier or more polar nitriles flaunted in catalogs. This translates to shorter mixing times and more even heat distribution in reactors — something any process operator will appreciate when trying to hold a reaction at steady-state through long shifts. Many competitors overlook these handling nuances until late in process development, often after running into production snags.

    Managing Quality in Everyday Production

    At the manufacturing level, consistency doesn’t come from luck. We monitor starting material quality, run frequent in-process controls, and invest in analytical tools that some might call overkill. Having installed redundant GC-MS and HPLC systems, we catch even the faint presence of impurities before releasing batches. In a world of tight regulatory controls — especially for pharmaceutical and agrochemical supplies — this vigilance pays dividends. Recalls, customer complaints, or regulatory snags erode trust fast. We stick by the principle: get it right up front, and the rest follows.

    Raw material costs and availability always present challenges. COVID-era disruptions proved this all too clearly, as overseas logistics slowed to a crawl and basic building blocks for nitrile chemistry started fluctuating daily. We responded the only way that makes sense: tightening relationships with upstream suppliers, dual-sourcing critical items, and running extra stock for high-trust customers. The outcome was fewer delays for our partners, even when competitors couldn’t deliver. Years later, those relationships keep us at the top of supplier lists for companies needing Cyclopentanone-2-Carbonitrile fast, with no compromises on grade.

    Worker safety and environmental compliance guide every plant decision. Cyclopentanone-2-Carbonitrile requires careful handling, firm temperature controls, and attention to exhaust systems because the nitrile group presents inhalation and exposure risks. Frequent refresher training for line operators, strict PPE protocols, and well-designed ventilation prevent both incidents and costly shutdowns. Ignoring these fundamentals is not an option for a business that plans to operate beyond the short term.

    Production Know-How: Beyond the Brochure

    Unlike resellers or catalog traders, our knowledge comes from solving problems on real plant floors. Each batch brings its own wrinkles. Ambient temperature shifts can slow crystallization; slight pH swings may increase byproduct formation. Years of running reactors have taught us when to tweak agitation rates or adjust solvent volumes, and those fine-tuned controls wind up reflected in every bottle or drum we ship. End-users may never see this background work, but the effects show up in low rejection rates and stable performance from project to project.

    Batch size flexibility is a competitive factor. Pharmaceutical researchers sometimes want a few kilograms for development, while established customers need multi-ton annual supply. We run dedicated reactors and strict cleaning protocols, switching between GMP and non-GMP lines depending on the application. Each client’s priorities — whether timeline, certification paperwork, or delivery format — shape our internal process rather than the other way around. We’d rather reconfigure a vessel setup or coordinate with a freight partner than ask a customer to change their plans around what’s convenient for us.

    We faced a logistical crunch last year on a 20-ton shipment destined for South America. Port disruptions and customs changes required new packaging solutions, additional QA documentation, and off-hour response from technical teams. Rather than letting bureaucracy delay delivery, plant leaders and sales engineers worked side by side to ship on time — even running extra stability holds for challenging transit climates. This flexibility and teamwork are what customers actually remember, long after the order closes and paperwork is filed.

    Pushing R&D for Tomorrow’s Applications

    Cyclopentanone-2-Carbonitrile’s versatility continues to open doors for new applications. Emerging routes in active pharmaceutical ingredient synthesis use this molecule for more sustainable and green-chemistry transformations, with less reliance on heavy metals or corrosive reagents. Our R&D group sees steady inquiries for this intermediate in catalysis and specialty biodegradable materials. Supporting these next-generation projects means more than selling what’s already on the market — it means experimenting, taking feedback, and iterating our own recipes to help the industry move forward.

    Some development partners are looking to harness this compound in custom reactions, such as building new heterocyclic cores or bridging into complex amine structures. The ability to offer tailored deliveries — whether batch size, documentation, or custom impurities — has made us the first call for many of these research teams. By joining these collaborations early, we help both sides move faster: reducing surprises and costly failed syntheses at scale-up.

    In sustainable chemistry, users increasingly scrutinize lifecycle impacts. Cyclopentanone-2-Carbonitrile offers lower solvent burden and decreased hazardous waste volume compared with traditional nitrile precursors. We support customers seeking regulatory-compliant certificates or environmental impact documentation, recognizing that these details now factor into purchasing decisions alongside price and delivery lead time. Demonstrating this transparency keeps us at the table with firms that value responsible sourcing and clear audit trails.

    Listen to the Plant Floor: Lessons from Daily Operations

    Many of the best process improvements come straight from operators running the lines. Experience shows where a tighter filtration step or an extended drying protocol saves labor downstream. Our technicians share feedback on viscosity changes, color shifts, gas releases, and any subtle process drift. Rather than waiting for issues or audits, we update SSOPs on the fly, making production more robust and predictable. Real-time problem-solving beats “best practice” binders any day.

    We’ve learned to trust data, but only as part of a feedback loop with our workforce. Online sensors help, but nothing replaces the trained eye or nose of an experienced technician who knows what a perfect batch looks like. This human touch is what keeps our rates of out-of-spec material low, and keeps operators engaged and invested. Process stability, product quality, and workforce morale all connect on the shop floor.

    Practical Considerations for Downstream Users

    Chemists and process engineers care about more than molecular diagrams. Handling qualities — ease of pouring, compatibility with dispensing equipment, thermal stability over storage — influence the choice of intermediate as much as reactivity data. We pay attention to these physical factors, testing under real-world storage and shipping conditions, because so many formulations and reaction runs depend on trouble-free delivery. Poor flow properties, inconsistent particle size, or unexpected caking present real risks during scale-up or continuous production.

    Some customers need packed drums, others ask for sealed bottles. Regional regulations for storage and transport further layer on complexity. To stay ahead, our packaging engineers work with logisticians to preempt potential issues: liner integrity, headspace for thermal expansion, secondary containment, and secure palletization. This focus on practical delivery solutions grew out of problems faced by both us and our customers — damaged shipments, leaks, and delays that waste valuable development time.

    Building Trust Over Time

    Long-term customers return because of clear communication and reliability, not just price. The bulk chemical sector remains a world of relationships. We keep regular contact with technical teams, anticipate new requirements, and stay transparent about production schedules and lead times. When rare supply hiccups crop up, we reach out early and discuss alternate solutions or adjusted timelines rather than making excuses or ducking calls.

    Few things frustrate project chemists more than promised delivery dates that keep slipping. By investing in active supply chain monitoring, real-time production updates, and packing/shipping QA, we reduce lead time risks and keep clients updated. Mistakes occasionally happen, but how a manufacturer responds defines trust for the next contract.

    Our experience shows that credibility is built batch by batch. Consistent quality, honest timelines, willingness to troubleshoot, and a focus on worker safety all contribute to this. It’s a long game, but one that pays back in steady relationships and word-of-mouth growth.

    Conclusion: Experience at the Core of Each Batch

    Years of producing Cyclopentanone-2-Carbonitrile have reinforced that technical expertise alone isn’t enough. Real value lies in understanding customer needs, blending practical insight with rigorous manufacturing standards, and adapting to new challenges as they arise. As markets evolve and applications diversify, experience gained from plant floors, lab benches, and direct customer conversations remains the difference between an average product and a trusted solution.