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2-Acetylcyclopentanone

    • Product Name 2-Acetylcyclopentanone
    • Alias ACCP
    • Einecs 207-526-8
    • 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

    404052

    Chemical Name 2-Acetylcyclopentanone
    Cas Number 695-06-7
    Molecular Formula C7H10O2
    Molecular Weight 126.15
    Appearance Colorless to pale yellow liquid
    Boiling Point 218-220 °C
    Melting Point 9-11 °C
    Density 1.079 g/cm3
    Refractive Index 1.479-1.481
    Flash Point 93 °C
    Solubility In Water Slightly soluble
    Odor Characteristic, fruity
    Purity Typically ≥ 98%
    Storage Temperature Keep below 25 °C
    Synonyms 2-Acetyl-1-cyclopentanone

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

    Packing & Storage
    Packing Brown glass bottle, screw cap, 100 grams label, safety symbols, chemical name and formula, supplier details, and hazard warnings displayed.
    Shipping **2-Acetylcyclopentanone** is shipped in tightly sealed containers to prevent leakage and contamination. It should be protected from light, heat, and moisture, and stored in a cool, well-ventilated location. Proper hazard labeling is required, and shipping must comply with relevant chemical transport regulations, including documentation for flammable or irritant materials.
    Storage 2-Acetylcyclopentanone should be stored in a cool, dry, and well-ventilated area, away from sources of heat, ignition, and direct sunlight. Keep the container tightly closed and protected from moisture. Store separately from strong oxidizing agents and acids. Use approved safety containers to prevent leaks and ensure proper labeling. Handle with appropriate protective equipment to avoid inhalation or skin contact.
    Application of 2-Acetylcyclopentanone

    Applications of 2-Acetylcyclopentanone in Industrial Manufacturing

    As a manufacturer with dedicated production capabilities for 2-Acetylcyclopentanone, we support multiple downstream industries that require this intermediate in regulated fabrication environments. Below are the key application areas where our material integrates into actual large-scale manufacturing, highlighting specific regulatory requirements, recommended use levels, typical process points, and illustrative end-product categories.

    1. Flavors and Fragrances Synthesis

    2-Acetylcyclopentanone provides a vital cyclic ketone building block for flavor and fragrance ingredient manufacturing, especially in the development of complex aroma compounds and high-performance intermediates. Its nuanced profile supports creation of tobacco notes and sweet, woody base compounds for compounded flavors and perfumery, complying with strict international standards. Accurate dosing and controlled reaction with aldehydes or alcohols are essential in these synthesis steps, requiring validated process documentation and full traceability for consumer safety.

    Industry compliance standards

    • IFRA (International Fragrance Association) Standards
    • EU Regulation (EC) No 1334/2008 on Flavourings
    • US FDA 21 CFR Part 172 (Food Additives Permitted for Direct Addition to Food)
    • ISO 9235:2013 (Aromatic Natural Raw Materials—Vocabulary)

    Typical usage ratio

    • 0.05%–0.5% of total flavor/fragrance concentrate; adjusted based on target aromatic profile and intended end-use application

    Downstream process integration

    • Introduced at initial condensation or cyclization stages in aroma compound synthesis
    • Often combined with core ketones and aldehydes in perfumery ingredient blending steps
    • Requires strict temperature and reaction time control for desired isomer purity

    Final product types

    • Food-safe compounded flavor bases for beverages, confectionery, and baked goods
    • Tobacco flavoring agents in reconstituted leaf products
    • Fine fragrances and base notes for luxury perfumes and deodorants

    2. Pharmaceutical Intermediate Synthesis

    Pharmaceutical manufacturers use 2-Acetylcyclopentanone as a cyclopentanone core for active pharmaceutical ingredient (API) synthesis, notably in steroid intermediates and analgesic precursors. Its role is especially pertinent for customized heterocyclic pathways where rigid compliance with pharmacopeial specifications, impurity control, and GMP batch records are paramount, and addition protocols often require tailored validation per synthetic step.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP/NF (United States Pharmacopeia/National Formulary)
    • European Pharmacopoeia (Ph. Eur.)
    • China Pharmacopoeia (ChP) when used for China market-bound APIs

    Typical usage ratio

    • Dependent on pathway: 1–10% by weight in intermediate bond-forming reactions, with scale-up adjusted to process yield and final purity specifications

    Downstream process integration

    • Introduced as a raw intermediate in enolate or Michael addition reactions for steroidal frameworks
    • Reacted under controlled pH and temperature for heterocycle ring formation and extension
    • Critical in impurity profiling and trace organics management at the initial synthesis stage

    Final product types

    • Steroidal active ingredients for anti-inflammatory and hormonal pharmaceuticals
    • Pain management drug intermediates (e.g., for cyclopentanone-based NSAIDs)
    • Research compounds for medicinal chemistry development programs

    3. Agrochemical Intermediate Production

    Major agrochemical manufacturers utilize this ketone intermediate in the synthesis of crop protection precursors, particularly for selective herbicide design and advanced fungicidal actives. Stringent national and multinational standards mandate all inputs be documented under agricultural chemical regulation, and the addition ratio directly influences downstream efficacy and residue management. Our facilitated supply supports compliant, scale-appropriate processing in R&D and production environments.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 Quality Management for Agrochemicals
    • REACH Regulation (EC) No 1907/2006—Agrochemical Compliance
    • US EPA Registration & Tolerances

    Typical usage ratio

    • 0.1%–2% in pre-final formulation reactions, with actual rate dependent on target compound synthesis pathway and purity requirements of final active ingredient

    Downstream process integration

    • Reacted into backbone structure during condensation or cyclization synthesis steps
    • Integrated during pilot-scale optimization of novel herbicidal or plant growth regulator molecules
    • Subject to stringent residual and byproduct control during synthesis before formulation

    Final product types

    • Active ingredient intermediates for herbicides (e.g., cyclopentanone-based selectivity enhancers)
    • Precursors for fungicides and seed treatment chemicals
    • Specialty agrochemical formulations for IPM (Integrated Pest Management) applications

    4. Specialty Fine Chemicals Manufacturing

    Manufacturers in the fine and specialty chemical sector apply 2-Acetylcyclopentanone as a unique cyclic building block in the design of advanced materials, including specialty polymers, photoinitiators, and custom resins where regulatory registration and traceability are required for industrial and consumer compliance audits. Selection of addition point and ratio depends on polymer chain design and targeted molecular weight, and process documentation must support traceability for high-value, application-driven synthesis.

    Industry compliance standards

    • GHS (Globally Harmonised System of Classification and Labelling of Chemicals)
    • ISO 14001:2015 (Environmental Management in Chemical Processes)
    • TSCA (Toxic Substances Control Act) for US chemical manufacturing
    • EU REACH Registration for New Chemical Entities

    Typical usage ratio

    • Range from 0.2%–5% of the polymer or resin feedstock, adjusted by molecular design and processing route

    Downstream process integration

    • Added to monomer feed during controlled polymerization or resin synthesis set-up
    • Introduced into functional group integration steps, often for crosslinking or photoreactive additive synthesis
    • Incorporated under inert gas or vacuum conditions to safeguard against side-reactions

    Final product types

    • Photoresist materials for electronics and PCB manufacturing
    • Custom photoinitiators for UV-curable coatings and inks
    • Specialty adhesives and advanced polymer resins for industrial or consumer applications
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    Certification & Compliance
    More Introduction

    2-Acetylcyclopentanone: Product Introduction from a Manufacturer’s Perspective

    Genuine Experience with 2-Acetylcyclopentanone

    From the factory floor to the quality control lab, the story of 2-acetylcyclopentanone always begins with its clean, faintly sweet aroma. As a manufacturer, we know this chemical best from firsthand involvement in its production. The process of making 2-acetylcyclopentanone, sometimes known as 2-ACP, involves a specific cyclization method that determines both its purity and suitability for demanding applications. The batches we produce strictly meet standards developed through years of technical improvement, mostly driven by requests from customers who rely on consistency and reliability.

    Each lot of 2-acetylcyclopentanone leaves our site after a set of checks: we monitor assay values, moisture contents, and possible traces of side products. Typical assay readings hover above 98%. Water content directly affects product performance, particularly for fine fragrances or advanced pharmaceutical synthesis, where excess moisture can spoil downstream chemistry or complicate process steps. Our operators adjust drying times and filtration cycles based on GC analysis, always pushing toward the dryest, cleanest material possible.

    Physical Profile and Standards

    After years of observing batches, the appearance and physical profile of 2-acetylcyclopentanone have become familiar details. This material presents as a light-yellow liquid at room temperature, clear and mobile, with no suspended matter. The color can tell us plenty; slight darkening signals exposure to air or excess heat during storage. The boiling point, measured in every run, lines up near 205°C, a figure confirmed by gas chromatography and essential for refining distillation steps. Impurity profiles matter just as much as the main product: trace aldehydes, ketones, or heavier cyclic byproducts can all affect usability in performance-critical end uses.

    Our testing teams keep a close watch for solvents, residual acids, or any by-products from upstream processes. Years ago, we learned that even small traces left over from the precursor ketone may pass into the final product and cause complaints from our fragrance customers, whose formulations highlight minute notes that challenge even the best quality controls. By working on upstream improvements, tighter column operation, and using specially treated glassware, we now produce batches with consistent clarity and aroma.

    Major Applications and the Market’s Demands

    Manufacturers like us feel the pressure of meeting specific needs in several industries. 2-acetylcyclopentanone finds its primary uses as an intermediate in fine chemicals synthesis, fragrances, and sometimes in pharmaceutical research. Large perfumery companies source our material not only for its own olfactory profile but because it serves as a valuable building block for further chemical modification. The cyclic ketone structure offers a unique pathway to both sweet and tobacco-like flavor undertones, a characteristic sought after for niche formulations. Customers share feedback directly from their mixing rooms, pointing out lot-to-lot differences that sometimes escape technical sheets but immediately show up in blends or after dilution.

    Pharmaceutical synthesis labs turn to this material for its role in the construction of highly functionalized intermediates. Scalability often poses a challenge, particularly when moving from kilo- to ton-scale for preclinical or pilot-scale production. Many have told us that inconsistent physical properties from other sources lead to batch failures downstream, where strict trace impurity limits make or break the viability of the overall synthesis. As a direct manufacturer, our commitment focuses on both reproducibility and transparency. Customers often ask for specific analytical data or traceability—two requests we have grown to accommodate as a matter of practice.

    Color developers and pigment manufacturers use 2-acetylcyclopentanone for its reactivity profile. In specialty pigment synthesis, this compound serves as a controlled donor for specific ring structures. Lab research constantly pushes our production team to adjust reaction conditions, solvent management, or even packaging techniques to solve for changing requirements and optimize yields.

    Advantages Over Analog Products

    Through direct dialogue with process engineers, we have assembled a long list of differences between 2-acetylcyclopentanone and similar cyclic ketones. This compound’s molecular structure, featuring both a ketone and acetyl group on the same five-membered ring, gives it both reactivity and selectivity advantages in controlled reactions. Traditional cyclopentanones or related lactones, often used as solvents or starting materials, cannot deliver the same nuanced reactivity, especially in targeted synthesis.

    Suppliers with only experience in selling can easily mistake the impact such structural features have in downstream work. In practical terms, 2-acetylcyclopentanone’s reactivity profile reduces side product formation during alkylation or acylation steps. In fragrance blending, it offers more persistent background notes and provides unexpected stability in complex mixtures. Our labs routinely run panel evaluations that track scent evolution over days—data resellers and traders rarely possess.

    We have witnessed the limitations of more basic cyclopentanones: higher volatility, lower performance in scent retention, and less refined color outcomes in pigment use. Our end users repeatedly report that alternative products need extra purification, higher dosage, or risk introducing more significant impurities into finished goods. Working as a direct producer, we compulsively tighten our own process because we see how even tiny shifts in impurity profiles can upend a customer’s whole batch.

    Reliable Supply: Learning from Experience

    Working as a manufacturer, we have weathered the market swings that disrupt consistent supply. Downturns in acetyl precursor markets, energy crises, or transport hurdles have all left their mark over the years. For us, stockouts or quality complaints bring operational headaches—not just lost orders. Customer trust, built over repeat shipments and consistent quality, grows by open communication and readiness to address setbacks quickly.

    We keep buffer stock at levels aligned to the realities of global shipping and regulatory inspections. Years spent working with customs authorities, port inspectors, and raw material vendors taught us that proper documentation, transparency in chain of custody, and up-to-date analytical data all mean smoother border crossings and less risk for everyone downstream. When sector demand shoots up due to regulatory changes or a blockbuster new scent, we bring more feedstock online and stagger maintenance of key reactors to avoid bottlenecks.

    Even minor storage issues can trigger product degradation. Our production teams choose container linings and drum materials with the long-term profile of 2-acetylcyclopentanone in mind, aiming to hold color and purity stable. Feedback from the field—whether laboratory researchers or mass-market scent blenders—has shaped these improvements. The details of drum closures, temperature monitoring, and quick responses to transportation shocks all come from hearing both complaints and compliments from those who finally open the container.

    Supporting Customer Innovation

    Factories not only push out tonnage—we are also privileged to see how customers innovate with what we make. Some produce high-end flavors. Some synthesize new molecules for medicine or specialty catalysts. The chemical flexibility of 2-acetylcyclopentanone supports these goals, provided it arrives pure and reacts predictably. As we have refined our product, we’ve often received requests for customized grades. Some need slightly higher purity, others want a tighter moisture range. On request, our technical teams develop narrow-cut lots, using additional distillation or fine-tuning extraction parameters.

    End uses can diverge quickly: food contact applications call for careful management of trace residues, while research projects sometimes demand analytical samples with extended impurity tables. As a chemical manufacturer, we answer these requests directly, using process data to validate the origins and handling of each batch. The variety of end uses keeps us learning, always questioning whether new purification steps or finer packaging details deliver commercial benefits.

    With growing demand for specialty intermediates, the need for well-characterized and reliably sourced 2-acetylcyclopentanone shows no signs of fading. Regulatory shifts, broader sustainability mandates, and the emergence of green chemistry protocols drive manufacturers to scrutinize every aspect of how this compound is made, handled, and delivered.

    Sustainability and Environmental Footprint

    Modern production calls for a closer look at each process’s environmental impact. In earlier decades, waste solvent streams or emissions from cooling towers rarely caught attention outside regulatory audits. Today, the market expects not only compliant but also proactive stewardship. We have gradually invested in solvent recovery, better emissions controls, and process optimizations that cut downstream effluent. These efforts not only meet government requirements but also yield cleaner product, less waste, and a better reputation with neighbors both up and down the supply chain.

    Green chemistry pressures now steer both process design and raw material choices. Customers who formulate consumer-facing goods increasingly ask us to disclose the carbon footprint of our 2-acetylcyclopentanone batches, and some want proof that waste handling and emissions stay well below threshold limits. Operators in our plant work with local authorities to monitor air and water emissions, report on solvent recovery rates, and keep up with best practices in handling hazardous materials. We have also run several pilot campaigns using bio-based acetyl sources, learning first-hand the tradeoffs of scaling green inputs against reliable yields and cost control.

    Safety: A Manufacturer’s Priorities

    Safety matters on every shift. Every chemical operator, supervisor, and maintenance worker in our plant deals with 2-acetylcyclopentanone’s handling in a hands-on way, sometimes for decades. Experienced operators notice the signs and smells associated with leaks, know the flash points of each intermediate, and understand how overexposure might cause irritation or more severe issues over time. Safety data guides how we design storage, personal protective equipment, and emergency measures for spills or exposure. Routine training makes a difference, especially for new staff and temporary contractors who may not have worked with cyclic ketones before.

    We work hard to minimize risks by keeping technical controls strong: ventilation, double-walled piping, properly inerted storage, and emergency response drills all form part of our regular routines. The lessons we have learned from minor incidents drive ongoing upgrades in both operating procedures and safety hardware. Customers who receive our product would notice the care taken in labeling, drum certification, and information supplied in the technical literature. The human side means that we never ignore near-misses or matters brought up by staff on the ground.

    Meeting Regulatory and Quality Standards

    Every sector using 2-acetylcyclopentanone faces a patchwork of quality, safety, and compliance requirements. As a manufacturing outfit, we bear direct responsibility for meeting or exceeding these, from handling precursor substances to managing finished good dispatch. We have invested in modern analytical equipment not just for release testing but also for ongoing validation. Our labs regularly send split samples to third-party reference labs both at home and abroad, keeping our data in line with international expectations. Certificates follow each batch, not only by regulatory obligation but also in response to direct requests from those who formulate, pack, or sell the end product.

    Occasionally, we meet requests for further method validation or new impurity characterization, particularly from global clients with unique or country-specific regulatory standards. We share traceability protocols and provide detailed breakdowns of our manufacturing flow, from batch numbering to chain-of-custody records. Our sales and technical service teams deal directly with procurement and R&D staff from customer companies, offering both technical documents and real-world production insights gained on the factory floor.

    What Sets Direct Manufacturers Apart

    One key lesson learned in supplying 2-acetylcyclopentanone comes from knowing exactly how each batch was made, handled, and shipped. Distributors and traders may offer a wide range of origins, but only manufacturers can answer for every step, every lot. From the way the reactor was charged to the packaging chosen, we document and control the outcome. Customers tell us they notice subtle differences in performance, and that reliable producers make a real difference in reducing troubleshooting time or unplanned production stops.

    Over years of shipping both domestic and export containers, we have recorded feedback from production chemists, supply chain managers, and lab testers. Distributors, resellers, and offsite repackagers sometimes miss the “why” behind a request or ignore incremental quality improvements that only direct input can support. Working from the shop floor up, we tie process choices directly to customer outcomes, constantly challenging our team to do better with each campaign. This long feedback loop ensures continual improvements, not just compliance.

    Perspectives on Industry Change

    End-to-end control gives us the perspective needed to weather technical change. The flavor and fragrance sector, responsive to creative direction from perfumers and regulatory policy shifts, keeps us alert for new demands. Pharmaceutical interest often brings new routes or scale-challenges, calling for robust documentation and tighter impurity management. Pigments and specialty polymers bring their own needs for consistent performance at scale.

    Being rooted in manufacturing, we have seen how technical and commercial specifications evolve, sometimes overnight. Market events—a change in available raw materials, a shift in export duties, or new butadiene routes—bring unexpected production hurdles. Our facility keeps core processes adaptable by investing in modular equipment and skilled technical staff trained in problem solving. In taking real-time feedback directly from end users, lab work, and field support, we keep our processes at the leading edge, reducing lags that would otherwise drag down innovation or delay customer timelines.

    Forward Focus

    Our daily work makes us acutely aware that 2-acetylcyclopentanone is more than a line item or a data entry. It is a chemical that unlocks practical advances in major consumer and professional goods. We approach each batch with that understanding, never treating it as an anonymous commodity but as a specialty material with genuine impact on whoever puts it to use. Technical progress will always drive us—as much as regulations and end-user feedback—to refine our product and processes. Ongoing investment in green chemistry, real-time analytics, and hands-on training form the concrete backbone of our commitment to continuous improvement.

    As long as industries require specialty cyclic ketones with exacting quality and reliability demands, direct chemical manufacturers like us will remain both a partner and a steward for every customer using 2-acetylcyclopentanone. Through shared experience and open exchange, we continue to build trust and practical value, supporting those who innovate, create, and solve with chemicals every day.