Benzyl acetoacetate

    • Product Name: Benzyl acetoacetate
    • Chemical Name (IUPAC): Benzyl 3-oxobutanoate
    • CAS No.: 140-97-0
    • Chemical Formula: C11H12O3
    • Form/Physical State: Liquid
    • Factroy Site: No.968 Jiangshan Rd., Nantong ETDZ, Jiangsu, China
    • Price Inquiry: sales7@boxa-chem.com
    • Manufacturer: Nantong Acetic Acid Chemical Co., Ltd.
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    Specifications

    HS Code

    659757

    Chemical Name Benzyl acetoacetate
    Molecular Formula C11H12O3
    Molar Mass 192.21 g/mol
    Cas Number 6137-78-0
    Appearance Colorless to pale yellow liquid
    Boiling Point 282-284 °C
    Density 1.145 g/cm³
    Refractive Index 1.520-1.524
    Flash Point 138 °C
    Solubility In Water Insoluble
    Smell Fruity odor
    Melting Point -31 °C
    Pubchem Cid 12454

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

    Packing & Storage
    Packing A 500 mL amber glass bottle with a secure screw cap, labeled "Benzyl acetoacetate," featuring hazard warnings and safety data.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Benzyl acetoacetate: Typically loaded in 200 kg drums, total net weight approximately 16 metric tons per 20' FCL.
    Shipping Benzyl acetoacetate should be shipped in tightly sealed containers, away from heat, sparks, or open flames. It must be labeled as a chemical and handled according to local, national, and international regulations. Use protective packaging to prevent leaks and damage during transit. Transport according to its Safety Data Sheet recommendations.
    Storage Benzyl acetoacetate 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 properly labeled. Store away from strong oxidizing agents and acids. Ideally, keep in a chemical storage cabinet or flammable liquids cabinet, and avoid exposure to moisture or air to prevent decomposition.
    Shelf Life Benzyl acetoacetate typically has a shelf life of 2 years when stored in a tightly sealed container at cool, dry conditions.
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    Certification & Compliance
    More Introduction

    Benzyl Acetoacetate: From Reliable Production to Practical Application

    Understanding Benzyl Acetoacetate in Our Production

    Our team produces Benzyl acetoacetate through a combination of careful raw material sourcing, consistent process control, and strict attention to product purity. In the daily routine at our plant, batches flow out under a close eye for temperature and pressure so every drum coming off the line meets our own benchmarks for color, clarity, and chemical composition. This chemical, with the structure C11H12O3 and a molecular weight of 192.21 g/mol, does not leave room for shortcuts. We've watched over the years as the market called for not just more production but tighter tolerances and better-defined product specifications.

    Commonly, our Benzyl acetoacetate appears as a clear, faintly yellow liquid. The purity targets do not allow for compromise, as downstream users in synthesis notice even minor shifts. The assay usually ranges above 99% by GC, with water and residual acidity tightly controlled. Low odour, controlled specific gravity, and low moisture content support our customers’ needs, especially where further reactions—like alkylation or condensation—demand predictable starting materials.

    Importance of Consistent Benzyl Acetoacetate Quality

    Reproducibility matters in chemistry. Over the years, we've fielded questions about why batches from different suppliers behave differently in the reactor. Small impurities or variations in acidity have tripped up pilot plants and larger lines. Through years of technical troubleshooting with our customers, we have learned that benzyl acetoacetate’s purity, and the specific byproducts left from its manufacture, can affect subsequent yields—down to the percent—during fine chemical and pharmaceutical syntheses.

    Some applications call for further acetoacetate transformations: alkylation, acylation, aminolysis, and cyclizations all place their own demands on the raw material profile. Many perfumery and fragrance houses rely on our material to form building blocks for esters and other aroma intermediates. Here, our manufacturing team sees the importance of not just a generic “acetoacetate” but a consistent, easily handled product that solves the issues seen in less controlled offerings.

    Application Experience in Real-World Chemistry

    We’ve seen Benzyl acetoacetate most often used as a coupling component in fine chemical synthesis, particularly where the benzyl group provides protection or future functionalization pathways. Laboratories involved in medicinal chemistry exploit this molecule to create substituted pyridines, tetrazoles, pyrazoles, indoles, and other nitrogen heterocycles. Its role as a beta-keto ester opens routes to a broad array of heterocyclic compounds through condensation and cyclization techniques. The color stability and good solubility of our Benzyl acetoacetate make it a reliable partner for multi-step synthesis.

    Our experience does not stop at the chemist’s bench. We supply materials to both medium-scale contract manufacturing and to those working on scale-up projects, where kilograms can quickly become multi-ton lots. Our feedback channels bring us reports of how a well-controlled Benzyl acetoacetate—low water content, stable ester fraction—speeds up purification downstream, allowing larger facilities to avoid time lost on secondary distillation or repeated crystallization. The cost savings here grow year after year, as labor and utility rates rise.

    Our Manufacturing Choices Reflect Downstream Needs

    All Benzyl acetoacetate is not made the same. We purposely source our acetoacetic raw material from a single dedicated producer to avoid the variable impurity profiles seen when multiple sources enter the mix. Different synthetic pathways can leave residual starting materials that later cause issues. Over the years, we have fine-tuned the benzylation and esterification steps so that off-odor, excess acidity, and coloration stay low.

    While the chemical market sometimes provides cheap, “blend-in” quality esters, we take the approach that a clearly documented and repeatable analysis—acidity, residual solvents, and GC purity—forms the baseline for any real supply partnership. It took direct feedback from customers who mapped out the impact of impurities on their yields and product smell for us to overhaul our cleaning, distillation, and storage processes.

    Comparing Benzyl Acetoacetate with Other Beta-Keto Esters

    Manufacturing and application set Benzyl acetoacetate apart from other esters like ethyl or methyl acetoacetate. In our production process, the benzyl ester group brings increased stability during storage and handling, compared to more volatile or hydrolysis-prone methyl and ethyl analogs. The higher molecular weight creates less vapor loss. Some downstream chemists choose ethyl acetoacetate for speed or cost at scale, but the benzyl ester gives more operational headroom, especially for products sensitive to trace acidity or alcohols.

    In fragrance synthesis, for example, the sharper reactivity profile and lower volatility of Benzyl acetoacetate delivers cleaner incorporation into intermediates. For those in medicinal chemistry, the benzyl group provides a reliable “handle” for subsequent transformation—either through hydrogenolysis removal or substitution, a feature lacking in simpler esters. Processing in our plant helps avoid side products, like hydrolyzed acids or benzyl alcohol, which otherwise can complicate purification in customer’s hands.

    While ethyl and methyl acetoacetate remain popular for bulk applications where cost savings outweigh purity, our Benzyl acetoacetate stays the preferred material in syntheses demanding both structure and consistency. Over the last decade, we have seen the pharmaceutical sector push for tighter impurity profiles and low moisture, something easier to guarantee at scale with the benzyl ester than with more reactive, lower-mass analogs.

    What Matters in Benzyl Acetoacetate Selection

    Customers often ask how to evaluate different Benzyl acetoacetate suppliers. From our side, the answer lies in repeated analysis of color, odor, residual moisture, and the presence of low-level side products. We have invested in inline monitoring and regular off-line tests to ensure our product does not drift batch-to-batch. Our decades in chemical manufacturing taught us that the cost of low-quality starting material quickly eclipses the savings in hourly wages or utility costs. Reaction cleanup, wasted time, and staff overtime pile up fast when an inferior product lands in a reactor.

    We view our customer relationships as ongoing collaborations. We routinely share Certificate of Analysis findings, respond to special requests for higher purity, or, in some cases, alternative packaging options to maintain stability on larger jobs. Sometimes a new application calls for a tweak—say, a customer scaling a fragrance intermediate in a new solvent blend. Our technical team then fine-tunes wash stages and verifies the Benzyl acetoacetate won’t introduce residues or staining during their new steps.

    Industry Change, Regulation, and Operational Lessons

    Chemical manufacturing does not sit still. Regulatory pressures—especially from European and North American markets—keep coming. Recent updates in solvent residue restrictions, worker exposure guidelines, and the cleaning-validation standards all shape our daily procedures. We track allowed impurity levels closer than ever, often surpassing minimum legal requirements as a way to future-proof both our operation and customer pipelines. Compliance often looks like extra documentation, extra monitoring, and validation on both ends, but the trust it builds keeps our doors open through the product cycles.

    Global supply chain challenges have also nudged our company to keep larger safety stocks and multiple logistics routes. By holding extra Benzyl acetoacetate on hand—even at the cost of warehouse space—we buffer customers from raw material crunches. Some took up our offer of scheduled shipments, locking in both price and product for a full year, hedging against currency swings and spot-market shortages that have grown more common since recent years.

    Troubleshooting Specific Problems with Benzyl Acetoacetate

    Manufacturing is never free from problems. Power interruptions, filtration fouls, and unplanned temperature swings all threaten to undermine quality. We maintain a standing response team to spot off-spec product, sometimes scrapping entire batches when color or odor drift outside customer parameters. Over time, we assembled a catalog of common “trouble tickets” from customers: slightly hazy liquid leading to crystal deposits, acidity drift affecting downstream reactivity, trace benzyl alcohol bleeding into end products.

    Solutions often come from benchmarking and tight process records, not theory alone. We dial back on certain reactor dwell times, adjust distillation rates, and flush equipment more often than many industry peers. Learning from years of customer audits and QC investigations, we keep side-stream analysis on every shift, providing historical lot data to any client with concerns about variability in their synthesis outcomes.

    Field Experiences: Feedback to the Factory

    Much of our improvement process starts in the customer’s lab or plant. A perfumery batch runs slightly sour, or a pharmaceutical intermediate fails a color check. We take those calls seriously, dispatching samples and review logs to root out issues. Some problems, traced back to upstream raw materials outside specification, now push us to pre-screen each supplier lot, a step we had once considered an extra.

    Over the last decade, customer needs have shifted from commodity purchases to technical partnerships. For Benzyl acetoacetate, the move from catalog grade to trace-analyzed grade represented months of trialing new columns and stricter moisture controls. We also learned hard lessons about packaging: a low-reactivity, well-sealed drum keeps out ambient moisture, while even a minor lid fault invites slow hydrolysis, scuttling promised shelf lives.

    Looking Ahead in Benzyl Acetoacetate Manufacturing

    The chemical field rewards small, continuous improvements. We now keep historical trend data on all Benzyl acetoacetate key metrics—color, odor, GC purity, moisture, residual acidity—reviewed each quarter alongside feedback from our largest users. This tracking lets us catch subtle changes long before they reach someone’s process or affect a sensitive synthesis run.

    Digital monitoring systems now back up each step of Benzyl acetoacetate manufacturing, and trained production teams still walk the lines to spot anything outside the norm. Some customers running automated plants now demand process monitoring data alongside each shipment—a request we now readily meet as standard. The time and effort spent on this documentation pays for itself in daily trust and recurring orders.

    Addressing Market and Sustainability Demands

    Sustainability pressures grow with each passing year. Customers want not only product consistency but also reduced environmental impacts. Our Benzyl acetoacetate plant made the switch to lower-carbon energy and solvent-recycling loops long before these shifts became industry talking points. The ongoing reduction in process waste and improved solvent recovery now factors into each new process design discussion.

    We began sharing quarterly environmental progress with partner companies, not in response to regulation but because large-volume users—especially in pharmaceuticals and fine chemicals—require verifiable low-impact sourcing as a precondition to business. This cycle keeps us ahead of both customer expectation and upcoming compliance cycles. Regular audits, both internal and external, help us identify waste points early and benchmark them to industry progress.

    Investment in Manufacturing Talent

    People make the difference in each Benzyl acetoacetate batch. A new operator might spot a material color variance missed by automated systems, and our ongoing training programs invest in operator expertise on real-world product impact. We dedicate resources for upskilling both entry-level and long-serving staff, keeping practical knowledge circulating from laboratory through to final drum shipment.

    Regular scenario drills—how to spot early evidence of ester hydrolysis, or catch drum-seal faults—reduce failed batches and downstream issues. This hands-on, continual improvement model allows our factory team to deliver on customer expectations: rapid answers when a shipment needs review, direct troubleshooting help, and a willingness to adapt our process to fit a critical run.

    Continual Innovation to Meet Evolving Customer Needs

    Innovation does not mean upending established processes every year. Instead, we approach Benzyl acetoacetate production as a cycle of tweaks and feedback. If a fragrance producer signals a new application requiring lower residual solvents, our production group can test new purification methods, lock in performance, and document changes. If a pharmaceutical ingredient maker tightens specifications, we adjust reactor conditions, cleanout practices, and intermediate analysis.

    Often, changes ripple out to packaging and logistics. True, a more robust drum or a lined pail for export shipments might seem minor, but time after time, these operational “minor” improvements spare customers from process interruptions and unnecessary costs. Our approach means nothing is too small to study and refine.

    Why Direct-from-Manufacturer Sourcing Matters

    Sourcing Benzyl acetoacetate directly from a dedicated manufacturer brings advantages third parties cannot match. Our ability to respond to unexpected orders, troubleshoot technical issues, or adjust the process in response to customer-driven change remains a function of owning both recipe and reactor. For end-users needing tight process integration and supply-chain reliability, this manufacturer-to-user feedback link becomes essential. Having lived through product recalls and last-minute specification changes, our factory team knows that real accountability and rapid troubleshooting come with direct relationships—not mediation through layers of distribution.

    Annual contract customers benefit from this partnership model. We can share real-time production updates, anticipated turnaround on special runs, and, if a supply delay occurs, coordinate alternative batch schedules to minimize disruption. Our chemists and technical managers stay on-call for consultation—whether reviewing a remote plant’s analytical curves, troubleshooting color issues, or mapping requalification procedures. Most of all, we learn from every field report, feeding those lessons back into our Benzyl acetoacetate manufacturing plans.

    Steering the Future: Technology, Reliability, and Continuous Collaboration

    Success in Benzyl acetoacetate manufacturing comes from more than process design. It relies on tight integration across sourcing, plant operation, and downstream application awareness. Investment in technology—continuous process monitoring, process automation, and data-driven quality tracking—pairs with investment in people, the ones experienced enough to know what a “right” product looks like, both on paper and in a drum.

    We know customers depend on us for a product that starts every synthesis step on solid ground. This trust comes from years of collaboration, rigor in the factory, and support when things do not go as planned. Our ongoing goal: deliver Benzyl acetoacetate that meets not just today’s needs, but stays ahead of tomorrow’s tighter standards and process expectations. By building flexibility into our plant operations, rooting improvements in field feedback, and respecting our customer’s growing requirements, we keep the flow of chemistry moving forward—batch after batch.