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Diethyl Oxalacetate Sodium Salt

    • Product Name Diethyl Oxalacetate Sodium Salt
    • Alias Sodium 3-oxo-glutarate
    • Einecs 696-267-6
    • 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

    391232

    Product Name Diethyl Oxalacetate Sodium Salt
    Chemical Formula C8H11NaO6
    Appearance White to off-white powder
    Solubility Soluble in water
    Melting Point Decomposes before melting
    Storage Temperature 2-8°C
    Purity Typically ≥98%
    Cas Number 609-74-1
    Synonyms Sodium diethyl oxaloacetate
    Application Biochemical research
    Stability Stable under recommended storage conditions
    Sensitivity Sensitive to moisture
    Ph Value Approximately neutral (7) in aqueous solution
    Odor Odorless

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

    Packing & Storage
    Packing Diethyl Oxalacetate Sodium Salt, 100g, is securely packaged in a sealed amber glass bottle with a tamper-evident screw cap.
    Shipping **Shipping Description:** Diethyl Oxalacetate Sodium Salt is shipped in tightly sealed, chemical-resistant containers to prevent moisture absorption and contamination. It is labeled according to regulations and transported under ambient conditions unless otherwise specified. Handle with care as an irritant; ensure compliance with all relevant safety and transportation guidelines during shipping.
    Storage Diethyl Oxalacetate Sodium Salt should be stored in a tightly closed container, protected from moisture and light, in a cool, dry, and well-ventilated area. Keep away from incompatible substances such as strong acids and oxidizers. Recommended storage temperature is typically at 2–8°C (refrigerated). Ensure proper labeling and limit access to trained personnel to maintain safety and chemical integrity.
    Application of Diethyl Oxalacetate Sodium Salt

    Applications of Diethyl Oxalacetate Sodium Salt in Industrial Manufacturing

    As an established manufacturer, we supply Diethyl Oxalacetate Sodium Salt (DEOAS) to key sectors that demand precise quality management and traceable supply chains. Our experience covers pharmaceutical intermediates, specialized agrochemical synthesis, advanced dyestuff manufacturing, and fine chemical research applications, serving multinational downstream operators with consistent grade control and technical integration support. Below, we detail real-world use cases including compliance, formulation, process entry points, and finished product types.

    1. Pharmaceutical Intermediate for Cephalosporin APIs

    In pharmaceutical manufacturing, DEOAS serves as a crucial building block for β-lactam antibiotic intermediates, particularly within certain third- and fourth-generation cephalosporins. Bulk API producers employ this material in route-specific transformations, enabling controlled carboxylation or acylation in multi-step syntheses. This role demands stringent GMP oversight and traceability at each batch release, as regulatory scrutiny covers all upstream intermediates. Usage rates reflect specific cephalosporin side chain chemistry, factoring in process yield and purging efficiency. QC teams verify residual levels post-purification, as even trace unreacted salt can impact API crystallinity and subsequent formulation.

    Industry compliance standards

    • EU GMP Part II (ICH Q7 for API intermediates)
    • Ph. Eur., USP, JP compendia guidelines for residual solvents and impurities
    • EDQM CEP and DMF submissions for regulated markets
    • FDA cGMP 21 CFR Part 210/211 for pharmaceutical production

    Typical usage ratio

    • Ranges from 5–13 mol% relative to core cephalosporin structure; adjusted per route optimization and batch size. Lower ratios for high-yield convergent syntheses; higher ratios in extended-step processing.

    Downstream process integration

    • Added during acylation or carboxylation stages of cephalosporin core synthesis; often enters as an aqueous or ethanol solution, followed by capture in reaction intermediates and subsequent extraction or crystallization.

    Final product types

    • Active pharmaceutical ingredients (APIs) for parenteral and oral cephalosporins
    • Bulk antibiotic intermediates (e.g., 7-ACA derivatives)
    • Lyophilized injectable cephalosporin vials
    • Finished dosage forms after further downstream processing

    2. Agrochemical Synthesis: Herbicide Intermediate

    The agrochemical sector utilizes DEOAS as a specialized intermediate in the synthesis of selective herbicides, particularly in the triketone and pyrazole classes. Manufacturers require this raw material for constructing diketone-based skeletons central to the efficacy of these herbicides. Process engineers must rigorously benchmark each lot for identity and reaction yield, as deviations can introduce unwanted byproducts affecting field performance or regulatory toxicology profiles downstream. Addition rates hinge on target herbicide backbone design—fine-tuning batch charge to compensate for individual process route variation. End-use compliance involves overseeing traceability through documented batch records and detailed impurity profiling.

    Industry compliance standards

    • FAO/WHO specifications for active ingredient purity
    • REACH Annex IX registration for substance used in plant protection products
    • ISO 9001:2015 for chemical manufacturing management
    • GLP (Good Laboratory Practice) requirements for residue and toxicology studies

    Typical usage ratio

    • Commonly 8–15 wt% relative to batch mass in initial condensation reactions; minor adjustment per crop protection actives and reagent excess rate required for complete transformation.

    Downstream process integration

    • Introduced during the initial condensation or ring-closure reactions to form triketone/pyrazole cores; typically processed in reaction vessels connected to solvent recovery and controlled environment handling.

    Final product types

    • Technical grade herbicide actives (e.g., mesotrione, tembotrione precursors)
    • Formulated suspension concentrates and emulsifiable concentrates
    • Granular herbicide blends for pre- and post-emergent application
    • Bulk intermediate chemicals for on-site finishing

    3. Dyestuff and Pigment Synthesis for Specialty Inks

    Within the dyes and pigments industry, DEOAS is instrumental in the creation of metal-complex and azo-based colorants featuring oxalyl- or acetoacetate-modified chromophores. Specialty ink manufacturers utilize this raw material to drive high-purity couplings, directly influencing brilliance, wash-fastness, and migration resistance in output products. Correct introduction of the salt at prescribed stages ensures batch-to-batch repeatability, vital for color-matching in inkjet and textile printing. Regulatory aspects include full material declarations and risk assessment approval for use in non-food packaging or textile dyes, particularly in global export markets. Additive rates depend on chromophore backbone and desired pigment intensity, requiring process chemists to adjust by pilot line results.

    Industry compliance standards

    • EN 71-3 (Toy Safety – Migration of Elements, for textile dyes)
    • Oeko-Tex Standard 100 for restricted dyestuff ingredients
    • ISO 2834 for ink printability tests
    • REACH compliance for import/export within the European Union

    Typical usage ratio

    • Between 3–10 wt% of total dye precursor, chosen based on intensity/purity required for target color shade; pilot batches used to confirm ratio prior to scale-up.

    Downstream process integration

    • Enter coupling or condensation stage in the pigment synthesis train; addition controlled to maximize chromophore yield before aqueous workup and pigment precipitation.

    Final product types

    • Acetoacetate-modified azo dyes for textile printing
    • Metal-complex colorants for security inks and coatings
    • High-brightness pigments for inkjet cartridges
    • Specialty dispersions and masterbatches for plastics coloration

    4. Fine Chemical R&D and Analytical Reference Materials

    R&D laboratories and custom synthesis companies rely on DEOAS for structure-activity relationship (SAR) studies, analytical standards preparation, and small-batch intermediates. The material supports synthesis of reference compounds for mass spectrometry, NMR characterization, or as labeled substrates in academic and industrial research. In these settings, scientists demand certified reference compliance and tightly-controlled QC release, central to the defensibility and reproducibility of research outputs. Amounts used per synthesis are tailored to experimental scale, but researchers depend on consistent assay and impurity profiles to ensure traceability. Typical use involves non-routine entry steps, adjusted for the complexity of target molecules.

    Industry compliance standards

    • ISO/IEC 17025 for reference material production and calibration
    • Good Laboratory Practice (GLP) for regulated scientific research
    • OECD guidelines for chemical reference compound handling
    • Institutional chemical hygiene and environmental safety protocols

    Typical usage ratio

    • Custom batch sizes; generally 1–20 mmol scale depending on required reference standard amount or library diversity for R&D campaigns.

    Downstream process integration

    • Added during the synthesis of specialized substrates for analytical use (e.g., internal standards, labeled species); batch addition managed via microreactors or precision-dosed laboratory glassware.

    Final product types

    • Chemical reference standards for GC/MS and HPLC calibration
    • Labeled or isotopically modified intermediates for SAR studies
    • Academic test compounds for advanced organic/inorganic chemistry
    • High-purity reagents for method development and validation
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    Certification & Compliance
    More Introduction

    Understanding Diethyl Oxalacetate Sodium Salt: Insights from Our Production Floor

    Bringing Real Manufacturing Experience to Diethyl Oxalacetate Sodium Salt

    Standing on our factory floor, day in and day out, means we catch every detail in the journey from starting material to finished product. Among hundreds of products cycling through our reactors, Diethyl Oxalacetate Sodium Salt always draws attention, not just for its chemistry, but for its versatile role across research and manufacturing. This compound, often listed in technical circles as C8H11NaO6 or Model: DEOASS-98, stands apart because it gets at the true heart of selective synthesis, metabolic research, and certain custom syntheses in pharma and fine chemical arenas. Years of focus on batch consistency have taught us why users come back for precisely the quality we put out, and why they care about the differences compared to similar salts and simple oxalacetates.

    Why Focus on Diethyl Oxalacetate Sodium Salt?

    Some see Diethyl Oxalacetate Sodium Salt as just another carboxylate, but on the shop floor we know its real draw comes from its unique reactivity profile. The structure—where two ethyl groups protect the oxalacetate core, paired with sodium for solubility—unlocks selective ester exchange, controlled hydrolysis, and more stable intermediate formation for researchers and manufacturers. Each step in synthesis highlights differences from simple sodium oxalacetate or diethyl oxalate. The handling, ease of isolation, and predictable reactivity allow for cleaner downstream reactions, a crucial gain for those working with expensive starting materials and time-sensitive pathways.

    Across many lots, I've seen lab staff remark on the product’s fine, easily pourable powder. Particle size stays controlled—not dusty, not lumpy—thanks to real attention given during drying and sieving. It dissolves quickly in polar solvents, offers minimal color (a sign of low impurity), and gives nearly quantitative recovery in conversion to desired target compounds. That’s not marketing spin from behind a desk; it’s what we see after hundreds of crystallizations and drying cycles. Researchers notice when the product meets assay specs batch by batch, and so do our own technical people. Real consistency earns real trust, and returning clients prove it.

    How Our Experience Shaped the Model and Production Specs

    We didn’t land on our standard Model: DEOASS-98 overnight. Early on, inconsistent results showed up when we pushed reactor loads too high or failed to control ethanol reflux conditions tightly enough. It made yields drop, so we overhauled the process. Tighter control means purity routinely tests out above 98% by HPLC, and sodium content stays right where manufacturers and chemists need it. Routine drying under reduced pressure brings moisture levels below 0.5%, which prevents clumping and unexpected behavior in sensitive syntheses.

    It’s hard to overstate the benefit of this product design in custom syntheses, especially in research settings. Scientists with tight project schedules can tip our Diethyl Oxalacetate Sodium Salt straight into their solvent, without further pre-treatment, saving valuable hours. This isn’t always the case with bulk commodity material from traders or inconsistent sources.

    Our team keeps pushing reproducibility, not just because it keeps the line running, but because contract partners in pharmaceutical development cannot tolerate batch-to-batch drift. I’ve walked the production floor after a batch wasn’t up to spec, and we dump product that doesn’t fit our strict internal limits. There’s no substitute for that level of direct commitment. Demand for high reproducibility rises year after year, particularly as clients scale up process development work or regulatory studies.

    Usage: How Chemists on the Ground Apply This Product

    The list of ways chemists put Diethyl Oxalacetate Sodium Salt to use grows longer every year. This salt works exceptionally well in C–C bond-forming reactions, where controlled reactivity allows selective addition while the ethyl groups shelter against premature hydrolysis. We hear about its application in synthesizing heterocycles, α-keto acids, and, notably, as a crucial intermediate during the preparation of potential drug candidates. For labs probing metabolic fate, or simulating mechanistic pathways in central carbon metabolism, the sodium salt version brings easy dissolution in buffered aqueous solutions, making it a tool for both in vitro studies and chemical biology explorations.

    Not every lab operates the same way—we work with everyone from large-scale pharmaceutical developers down to small university teams. But a trend we’ve tracked over the years is how time-pressed chemists increasingly reach for a product that’s ready for bench work the moment it arrives. That means consistent assay, tight moisture control, predictable performance, and no strange side-aroma or discoloration that signals off-specification material. Our research partners highlight that aspect, especially when they’ve tried material from less controlled supply chains, and run into headaches trying to troubleshoot failed reactions only to find the salt wasn’t up to par.

    In more specialized uses, we see process chemists at contract manufacturing organizations selecting this salt as a masked oxalacetate—seeking a balance between stability and reactivity in long, multi-stage processes. It’s suited for routes where other oxalate or oxalacetate forms prove too sensitive or react in uncontrolled patterns. Across these syntheses, the clean performance of our sodium salt, compared to blended or impure versions, repeatedly shows up in cleaner product isolation and better downstream yields. Direct feedback and requests for repeat lots tells us these features really matter in daily use.

    How Diethyl Oxalacetate Sodium Salt Differs from Other Products

    Years spent synthesizing, purifying, and testing Diethyl Oxalacetate Sodium Salt reveal subtle but work-critical differences compared to related products. Diethyl oxalate, for example, offers different selectivity and breaks down more easily under certain conditions, making it tricky in applications needing controlled hydrolysis or selective condensation. Sodium oxalacetate itself, often delivered as a non-esterified salt, can’t provide the stability or organic solvent compatibility our product delivers. Those starting out on a synthesis often don’t see why these points matter until projects fail on the bench, forcing them back to more reliable, specialty versions like our model.

    Physical form factors matter deeply in practice. Our sodium salt arrives as a free-flowing powder, easy to weigh, without risk of compaction or deliquescence in normal lab storage. In contrast, more hygroscopic alternatives require frequent drying or give up batch-to-batch weight changes, a truly frustrating experience when every milligram counts. We’ve had stories from users switching to us after finding that their old supplier’s materials clumped in the bottle, turning into unusable bricks within weeks—even with silica gel or vacuum storage. Much of this improvement comes from real-world investments in post-synthetic drying, and staff disciplined enough to never send out borderline product.

    Experience with global customers has shown us that regulations, packaging preferences, and shipping temperatures all play unexpected roles. Some salts absorb water so fast they spoil on shipment, losing value and much of their chemical use before they hit the bench. Our product, by contrast, stays in spec because we combine rapid packaging turnaround with moisture-barrier pouches, reinforced by regular oversight from our QC staff. It’s an extra layer of effort, but it keeps scientists from spending hours drying batches before use.

    Comparisons with generic or imported material sometimes show up in client correspondence, with researchers reporting unexpected ions, residual solvents, or higher-than-expected heavy metals in other products. Such contamination slows progress, introduces spurious reactivity, and forces repeat experiments. Our focus, refined by years on the shop floor, treats those risks as daily reasons to keep improving—not hypotheticals but hard-won lessons from hundreds of kilos produced, tested, and delivered.

    Challenges and Solutions: Insight Gained from Relentless Production

    Manufacturing Diethyl Oxalacetate Sodium Salt throws up plenty of practical challenges, many invisible to end users until problems surface in the lab. Purity control, moisture management, odor development, and batch traceability all rank as ongoing hurdles. We’ve faced cross-contamination scares, accidental raw material swaps, and even lessons in air filtration after minor incidents of solvent odors drifting into adjacent workspaces. Each glitch prompted tweaks–sometimes as simple as introducing additional cleaning between batches, and sometimes as complex as re-sequencing whole production schedules to avoid cross-exposure risks.

    Moisture sensitivity stays at the top of the troubleshooting list. Diethyl oxalacetate derivatives, especially sodium salts, respond to shifts in humidity and temperature. Leaving material in open air, even just during packaging, invites later problems with clumping, color change, or reduced shelf life. Our answer came by adjusting internal transfer times, optimizing vacuum-drying, and mandating swift packaging directly after drying. The reduced window keeps internal moisture at a minimum, with each jar getting sealed fast—no shortcuts. These changes didn’t come from outside consultants, but from running hundreds of batches and seeing firsthand what actually prevents off-specification product.

    Reaction impurities always pose a risk. Side reactions, if unchecked, can seed colored impurities or foul-smelling byproducts into the final product. For years, operators carried out extra TLC and spot tests on random samples, not only relying on instrumental HPLC output. As budgets allowed, we standardized those older hands-on checks alongside our modern analytical runs. The result: batches with high chemical purity, but also low total volatiles and minimized odor, a combination that makes a real difference to the people actually using the salt, especially in NMR or MS-based experiments.

    Packaging has evolved because of repeated real-world learning. We abandoned glass jars for certain sizes due to breakage, and phased in multi-layer, foil-lined plastics that resist puncture and moisture ingress better than early alternatives. These changes followed direct feedback from university and industrial end-users who needed long-term storage at consistent quality, and couldn’t risk bottle failure mid-experiment. We also design fill sizes and batch identifiers to match the needs of people making frequent small-quantity withdrawals—avoiding unnecessary waste or repeated exposure. All of these steps add cost, but reduce headaches for real chemists.

    Real-World Customer Feedback Fuels Further Refinement

    From our earliest days producing Diethyl Oxalacetate Sodium Salt, user feedback has continued to sharpen our priorities. An academic group ran into problems with their previous source, where unknown impurities skewed enzyme inhibition data. Switching to our batch, their bioassays lined up cleanly with controls, showing the sort of reproducibility they demand in publishable research. We've fielded calls from contract manufacturers, frustrated with inconsistent performance from bulk traders, looking for a supplier willing to troubleshoot on the chemistry level. Our in-house R&D team, backed by real factory time, can actually trace those differences back to tweaks in synthesis, rather than just filtering and repackaging as some traders do.

    Scientists asking the hard questions about derivatization, shelf stability, or unexpected NMR peaks get not only batch data, but direct process insight from staff who worked on synthesis and drying themselves. We believe that’s the kind of extended experience and authority Google’s E-E-A-T principles expect—earned by building up trust with both institutional and industrial clients. We don’t hide behind unclear provenance or pass-the-buck answers, and we take customer complaints or challenges as insightful field data for process improvement, not as mere service issues.

    From Chemistry Theory to Factory Practice

    Many in the business talk about chemistry like it’s fundamentally predictable. Stand on our floor long enough and it's clear that implementing those theories in large vessels, safely and consistently, turns up surprises daily. Solvent evaporation rates change with seasons, filtration takes longer with some impurity profiles, and even the rate of phase separation can swing depending on seemingly trivial shifts in agitation. We keep logs, tweak raw material grades, and spend late shifts running trials—all to tighten manufacturing controls year after year. There’s something deeply satisfying about seeing those hard-won controls direct results in customer success stories down the line.

    We’ve watched the demand for specialty oxalacetate derivatives rise as pharma and biotech innovators move from bench to pilot scale. With every shift in the industry, we dedicate ourselves to hands-on process review, data-driven tweaks to synthesis, and open feedback with end users. We recognize, perhaps more than anyone outside manufacturing, how the difference between smooth experimentation and frustrating troubleshooting often comes down to subtle improvements in chemical isolation, product purity, and packaging stability.

    Looking Ahead: Continuous Improvement Grounded in Experience

    No product stays static. As requests for larger quantities or regulatory support grow, we adapt recipes, expand batch sizes, and scrutinize stability under broader temperature swings. Each iteration produces more predictive control over quality benchmarks, from purity at the endpoint of synthesis right through to the last scoop from the customer’s container. We watch as academic and industrial partners try new syntheses, feeding their results back to our process engineers. Missed spots or subtle declines in performance prompt new cycles of quality review and much-needed adjustment. Every spent batch, every returned sample, pushes us toward better methods, reliable batches, and longer shelf lives.

    We see ourselves not only as manufacturers, but genuine facilitators for those relying on Diethyl Oxalacetate Sodium Salt. Our work doesn’t end at paperwork—it persists with every tweak to batch production, packaging, and even customer education, serving chemists who need absolute reliability under tight research and production deadlines. The reality of chemical manufacturing is more than what’s found in product brochures or data sheets; it’s a living, evolving process, shaped by direct experience and continual learning. That's what it means to bring real substance to a product as specialized as Diethyl Oxalacetate Sodium Salt.