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2-Piperidone

    • Product Name 2-Piperidone
    • Alias delta-Valerolactam
    • Einecs 207-119-2
    • 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

    938991

    Cas Number 675-20-7
    Iupac Name Piperidin-2-one
    Molecular Formula C5H9NO
    Molar Mass 99.13 g/mol
    Appearance White to pale yellow crystalline powder
    Melting Point 38-41 °C
    Boiling Point 245-247 °C
    Density 1.073 g/cm³
    Solubility In Water Soluble
    Synonyms 2-Oxopiperidine, 2-Piperidinone
    Smiles O=C1NCCCC1
    Inchi InChI=1S/C5H9NO/c7-5-3-1-2-4-6-5/h1-4H2,(H,6,7)
    Refractive Index 1.476
    Storage Temperature Store at 2-8 °C
    Flash Point 118 °C

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

    Packing & Storage
    Packing 2-Piperidone, 500g: Supplied in a high-density polyethylene (HDPE) bottle with tamper-evident seal and clear product labeling for safety.
    Shipping 2-Piperidone is shipped in tightly sealed containers to prevent moisture and contamination, typically under ambient conditions. The chemical must be handled according to standard hazardous material protocols, with appropriate labeling and documentation. Ensure compliance with local and international transport regulations, including UN shipping classification, to guarantee safety during transit.
    Storage 2-Piperidone should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers and acids. Avoid exposure to direct sunlight and moisture. Store at room temperature, preferably between 15–25°C (59–77°F), and ensure that all containers are clearly labeled to prevent accidental misuse or contamination.
    Application of 2-Piperidone

    Applications of 2-Piperidone in Industrial Manufacturing

    We manufacture 2-Piperidone for diverse downstream applications in the chemical and pharmaceutical value chain. This specialty raw material forms a critical intermediate in several high-value synthesis routes. Below we detail real industrial use cases, compliance frameworks, process stages, and the targets of each application path.

    1. Key Intermediate in Active Pharmaceutical Ingredient (API) Synthesis

    Pharmaceutical companies utilize 2-Piperidone as an essential precursor in the production of several APIs, particularly anticonvulsants and nootropic agents. In this context, strict quality control and regulatory traceability are required from initial batching through to final crystallization. Large-scale API manufacturers integrate the material during their advanced intermediate stages, conducting subsequent cyclization or acylation based on the target compound pathway.

    Industry compliance standards

    • Current Good Manufacturing Practice (cGMP) – ICH Q7
    • United States Pharmacopeia (USP) specifications for intermediates
    • European Pharmacopeia (Ph. Eur.) monographs for related APIs
    • FDA CFR Title 21 Parts 210/211 (for API production)

    Typical usage ratio

    • Applied at 0.95–1.2 mol equivalents relative to downstream reactant in API synthesis routes, adjusted for stoichiometric yield optimization and impurity control

    Downstream process integration

    • Charged as the primary reactant in stepwise intermediate reactions, often following a controlled hydrogenation or amidation
    • Incorporated during scale-up pilot lots for validation and registration batches

    Final product types

    • Levetiracetam (anticonvulsant API)
    • 2-Pyrrolidone derivatives (nootropics, CNS drugs)
    • Pharmaceutical building blocks and intermediates

    2. Precursor in Agrochemical Synthesis

    Agricultural chemical manufacturers employ 2-Piperidone as an intermediate in the synthesis of certain fungicides, plant growth regulators, and pesticide products. Process engineers commonly introduce the material during early-stage heterocyclic compound construction, often through acylation, subsequent ring formation, or as part of a sequence leading to substituted piperidine products.

    Industry compliance standards

    • ISO 9001:2015 (Quality Management for agrochemical ingredients)
    • FAO/WHO specifications for agrochemical technicals
    • REACH Regulation (EC) No 1907/2006 for European downstream distribution
    • EPA requirements for inert ingredient registrations (USA)

    Typical usage ratio

    • Used at 1.0–1.4 molar equivalents in multistep synthesis, varying by the specific heterocycle or substituted amide formed

    Downstream process integration

    • Introduced in batch reactors as the principal nitrogenous ring precursor
    • Employed in pilot and commercial runs for key structural intermediates

    Final product types

    • Pyridine and piperidine-based fungicides
    • Plant growth regulator ingredients
    • Key intermediates for systemic pesticides

    3. Intermediate in Polyvinylpyrrolidone (PVP) Polymerization

    The production of polyvinylpyrrolidone relies on 2-Piperidone for industrial-scale polymer chain formation. Polymer and specialty chemical makers use it as a controlled monomer or monomer precursor, managing ratio and purity to ensure reproducibility in physical properties such as molecular weight and water solubility. The conversion into N-vinyl pyrrolidone and subsequent polymerization steps are tightly controlled under inert atmospheres to minimize contaminants.

    Industry compliance standards

    • ISO 9001 Quality Management for polymer manufacturing
    • Regulation (EU) No 10/2011 for food contact polymers in EU markets
    • FDA 21 CFR 177.1200 for indirect food additives (USA)
    • GMP for excipient manufacturing (EXCiPACT or equivalent)

    Typical usage ratio

    • Charged at 1.00 molar equivalent to initiate ring opening and support monomer conversion, adjusted in the range of 0.98–1.05 based on target polymer grade

    Downstream process integration

    • Fed in early reaction charge for N-vinylation step; integrated during continuous or batch polymerization
    • Controlled addition to avoid excess cyclic amide carryover in final polymer

    Final product types

    • PVP K grades for pharmaceutical and food applications
    • Cosmetic and personal care binding agents
    • PVP-based technical coatings and adhesives

    4. Intermediate for Specialty Solvent Manufacturing

    Chemical formulators use 2-Piperidone for synthesizing specialty solvents where polar aprotic properties and high boiling points are required. The compound enters at critical condensation and cyclization steps during custom amide and lactam production. Final solvents often serve as carriers in electronic materials, polymer processing, or high-performance cleaning solutions, with strict batch documentation and trace impurity monitoring.

    Industry compliance standards

    • ISO 9001:2015, Quality systems for industrial solvent production
    • Specific customer validation procedures for electronics and specialty polymer users (e.g., SEMI standards for microelectronics)
    • REACH registration for European market access

    Typical usage ratio

    • Used at 1.0–1.3 stoichiometric equivalents, depending on solvent molecular architecture and number of functional group transformations

    Downstream process integration

    • Reacted under controlled temperature for amide condensation, followed by partial hydrogenation or purification
    • Integrated into sequential reaction train for high-purity solvent synthesis

    Final product types

    • Pyrrolidone-based specialty solvents
    • Process aids for electronic material cleaning
    • High-boiling-point solvents for advanced polymerization

    5. Synthesis of Non-Ionic Surfactant Intermediates

    Manufacturers of specialty surfactants employ 2-Piperidone in the production of non-ionic surfactant intermediates with lactam-containing structures. Its introduction occurs prior to alkoxylation or amidation steps, with precise control of molecular integrity and byproduct removal. Surfactant formulators require consistent raw material quality to deliver performance in emulsification and wetting in technical, agricultural, or cleaning formulations.

    Industry compliance standards

    • ISO 9001:2015 for surfactant manufacturing
    • OECD Guidelines for Testing of Chemicals (for environmental compatibility)
    • Regulation (EC) No 648/2004 on detergents for the EU

    Typical usage ratio

    • Employed at 1.0–1.15 mol equivalents relative to alkylating/alkoxylating agent, tailored to desired HLB value and purity profile

    Downstream process integration

    • Initiates as the cyclic amide core in batch or continuous surfactant synthesis lines
    • Undergoes subsequent chain extension or functionalization for specific surface activity

    Final product types

    • Lactam-based non-ionic surfactant concentrates
    • Emulsifiers for agricultural and technical fluids
    • Specialty detergent intermediates
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    Certification & Compliance
    More Introduction

    Introducing 2-Piperidone: A Manufacturer’s Perspective

    Our Experience with 2-Piperidone in the Chemical Industry

    From our vantage as a manufacturer, 2-Piperidone stands out as more than a catalog item on a shelf. It plays an important role in the synthesis of advanced materials, pharmaceuticals, and specialty polymers. Developed in-house with decades of hands-on expertise, our 2-Piperidone fits the needs of chemists and engineers seeking high purity for research and production. Customers often walk their way through catalogs of chemical suppliers, uncertain whether what gets delivered matches the data on the label. Our responsibility goes beyond shipping a drum of crystalline powder; we incorporate years of process control and feedback from teams who transform this compound into lifelines in healthcare and innovations in material science.

    Manufacturing Quality through Batch Consistency

    Consistency begins at the raw material stage. Working closely with vetted suppliers for cyclopentanone and ammonia, we strictly manage the ring-closing steps and catalytic hydrogenation to ensure batch-to-batch reliability. Each process parameter, from temperature ramps in the high-pressure reactors to controlled cooling and purification, is based on lessons earned through continual trial and adjustment. Repeat customers often ask for minor modifications: reduced water content, mild tweaking of particle size, or more stringent control over trace amines. We’re equipped to comply—not through hopeful promises, but through tailored batch records, real-time process analytics, and hands-on troubleshooting in the plant.

    Technical demand for 2-Piperidone has gradually shifted toward higher purity levels, particularly for end uses in pharmaceutical R&D and polymer synthesis. We monitor chromatographic profiles during every run; not a single lot leaves our facilities without verification against internal reference standards. Where some others may relax standards for color or residual solvents, we know from customer feedback how a subpar batch can mean rework, wasted man-hours, and regulatory headaches. Our highest-purity grade exceeds 99.5% by GC, with moisture content well under 0.05%. For those shaping polymers—especially polyamide-4,6 and specialty elastomers—metal ion residues can make or break polymer consistency, so we test not only for organic by-products but also for trace metals via ICP-MS.

    Technical Details That Set 2-Piperidone Apart

    The model that draws most attention is our pharma and polymer-optimized grade. The product takes the form of white crystalline powder or flakes designed for easy handling with minimal dust formation. Key specifications, determined by years of customer collaboration and process innovation, revolve around purity, physical form, and shelf stability. We package the product in sealed, food-grade PE drums. For bulk users employing pneumatic transfer, tailored packaging protects material integrity during long-haul transport.

    Further downstream, research teams find our product meets rigorous standards for reactive amine and carbonyl impurities. The difference often lies in simple details: residual color. A slightly yellow tinge has, in practice, foreshadowed side-reactions in demanding pharmaceutical syntheses, especially hydrogenation and acylation steps. By dialling in process filtration, bleaching, and controlled crystallization, we minimize color and side-compounds, so workups downstream stay predictable.

    Why Customers Gravitate Toward Manufacturer Sourcing

    In our direct conversations with formulation chemists and procurement specialists, one point comes up time and again: transparency. Manufacturers shoulder the responsibility for supply chain stability, direct quality control, and process documentation. Whether a team in Europe wants a signed statement of origin or US academic labs request rapid lot certification, we maintain traceable records for every drum or bag we ship. Unlike traders or intermediaries, we keep raw process records, batch samples, and deviation logs on-site, accessible for audits or in-depth technical support.

    Reliability in delivery and transparency in testing build trust that trumps price alone. We attach batch COAs signed by in-house chemists, not copy-pasted certificates from third-party brokers. This connection, built up through repeated projects and troubleshooting, opens up honest conversations: if a client’s process shows unusual by-products or reaction rates, we dive into technical feedback rather than shifting blame elsewhere. We find customers value a manufacturer’s input because we know what goes into the vessel, every time.

    Application Fields: Pharmaceuticals and Polymers

    2-Piperidone’s value shows most clearly in demanding synthesis environments. In pharmaceuticals, researchers and production teams often prefer our material for preparation of intermediates used in sedatives, nootropics, and anti-infectives. Each customer process features its quirks: glass-lined reactors that accentuate trace iron, complex multi-step syntheses where minor contaminants propagate across intermediates, or solid-state forms that crystallize out impurities if the feedstock isn’t just right. By fielding direct feedback from process chemists, we’ve adjusted drying, recrystallization solvents, and even air-filtration routines to minimize contaminants.

    Beyond the pharma segment, engineering teams utilize 2-Piperidone as a monomer precursor for polyamide-4,6 (PA46), a high-performance polymer used in automotive, electronics, and industrial components. Here, shelf life and consistent melting points matter just as much as purity. Customers need to know their input reacts as expected, batch after batch. Over years, the only way to reach that standard is to run small pilot lots side-by-side with plant-scale batches, identifying sources of trace variability and feeding results back into the process workflow. At every stage, we keep open communication with customers—sharing results, sharing concerns, and continually improving methods.

    Lessons from Troubleshooting: Avoiding Unwanted Variability

    Few challenges illustrate the role of a dedicated manufacturer more clearly than troubleshooting a tricky batch. Periodically, a customer’s analysis reveals a spike in alkali metal content, or unusual peaks in HPLC traces. We draw from archived samples and process logs, tracking down root causes: perhaps a shift in distillation temperatures, or a subtle change in upstream ammonia quality. By dealing directly with the production process, lab, and raw material suppliers, we can address sources of variability promptly.

    These investigations have shaped our daily routines. Standard lab testing goes beyond minimum requirements: we run orthogonal methods (GC, NMR, Karl Fischer) so that if one analytic fails or gives a strange result, there’s a backup. Auditable supply chain documentation allows every lot to be traced back to source, and stored reference samples give added reassurance for customers facing long-term stability testing or regulatory challenges. This hands-on, detail-focused approach stands in contrast to the surface-level checks some traders and resellers attempt to pass off as quality assurance.

    Tailoring Products for Real-World Needs

    While a technical data sheet can list only default specifications—purity, melting point, water content—real production routines often demand more flexible standards. Some applications tolerate a little extra moisture, as the solvent-run downstream hydrolyzes it away. Others, such as polymer synthesis or medicinal chemistry workflows, demand extra stringency in controlling residual solvents or trace ionic contaminants. Through customer feedback sessions and pilot studies, we have adjusted filtration setups, adopted tighter packaging regimes, and revamped analysis protocols. In turn, research and industrial teams gain more confidence from working with a partner who adapts over time—responding not only to market standards, but to the actual obstacles encountered on the factory or lab floor.

    Adjustments rarely end with product release. As new synthetic pathways and process automation routines evolve, we receive calls for novel specifications: more granular control over particle size for continuous-feed systems, or development of easy-dosage pellets for automated material handling. These requests don’t just serve industrial convenience—they reflect growing demands for process safety, reduced waste, and increased throughput. As a manufacturer, we thrive on solving such real-world challenges, helping chemists and engineers save time, avoid rework, and push the limits of what their teams can achieve.

    Difference from Other Piperidone Products

    Over the years, we have compared feedback and technical data on a range of piperidone variants. 2-Piperidone, though chemically related to 4-piperidone and other lactam ring systems, brings unique benefits due to its structure and reactivity. Its five-membered ring with a single carbonyl opens up access to polymers overlooked by users of alternatives. For example, 4-piperidone often plays a role in agricultural or fine chemical synthesis but lacks the compatibility with specific polyamide production needs.

    In practice, customers come to us with side-by-side trials, pitting 2-piperidone against substitutes. When a synthesis requires longer chain elasticity, specific melting ranges, or particular hydrogenation outcomes, small structural differences can play a significant role in yield and purity. We support this work with batch samples and technical dossiers, not just catalog numbers. The distinction isn’t only in the molecule—it’s in how batches are brought to specification with direct feedback between lab, pilot, and full-scale runs.

    For industrial users focused on regulatory compliance and batch certification, clear documentation and open technical support make a subtle but meaningful difference. Rather than settling for generalized “intermediate” products, manufacturers need reliable access to consistently specified 2-piperidone—knowing contamination, trace by-products, and moisture remain tightly controlled from the source onward. These controls reduce the risk of revalidation, minimize end-of-line analytical headaches, and build predictability into large-scale production.

    Supporting Collaboration and Regulatory Needs

    Product quality, as we see daily, is only part of the puzzle. Documentation, safety, and regulatory support shape the actual value offered to partners in pharmaceuticals, agrochemicals, and material science. We maintain full traceability of each lot, supporting technical due diligence whether a customer seeks material for a one-time R&D project or ongoing GMP-compliant manufacture.

    GMP, though not legally binding for every industrial user, informs our internal protocols: validated cleaning, controlled environmental monitoring, revision of analytical methods, and careful record-keeping. Regulatory reviews—whether for EU REACH or US FDA guidelines—have taught us to anticipate auditors’ requests, offer full disclosure, and prepare supporting material ranging from stability studies to impurity profiles. By keeping regulatory knowledge in-house, we reduce delays for customers, facilitating inspections and interactions with government agencies.

    Direct engagement with clients has also led us to introduce on-site support for process start-ups or troubleshooting. Chemists and process engineers feel assured knowing they can call our technical team—not a generic tech-support desk—during critical scale-ups or batch investigations. Sharing our know-how openly improves safety, speeds troubleshooting, and fosters ongoing collaboration.

    Making a Difference in Customer Outcomes

    Having supplied 2-piperidone to organizations operating under tight project timelines and stringent regulatory demands, we understand that a manufacturer’s dedication influences more than paperwork. Reliable processes, rapid adaptation to changing project needs, and the experience to troubleshoot complex syntheses distinguish collaborative partnerships from transactional ones. Researchers, buyers, and technical leads find reassurance not only in the purity of the material but in the accountability and technical depth behind it.

    Long-term relationships trace back to a cycle of improvement. Customer audits reveal gaps, feedback guides laboratory upgrades, and field trials prompt process optimization. By welcoming this scrutiny, we build products that reflect actual needs, not a checkbox list of specifications. For teams in sensitive research and production, the value lies in more than what’s ordered on a purchase sheet: it’s about securing a reliable working relationship, predictability in operations, and shared expertise for the challenges ahead.

    Looking Ahead: Innovation and Industry Responsibility

    Continuous improvement shapes every stage of the manufacturing process. As the chemical industry shifts toward increased sustainability, reduced emissions, and greener synthesis, we invest directly in process modernization: upgrading solvent recovery, introducing closed-loop purification, and exploring bio-sourced feedstocks for future batches. Although such advances rarely grab the headlines, they matter greatly for our partners seeking long-term security and positive environmental impact.

    Our experience confirms that responsible manufacturing includes every stage, from safe raw material sourcing to careful shipment. For teams advancing new research, regulatory compliance, or industrial scale-up, we offer more than a line item. We support every batch with transparency, technical engagement, and a shared goal of superior results—earned not through shortcuts, but through a daily commitment to quality and partnership.