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Sodium Ethoxide

    • Product Name Sodium Ethoxide
    • Alias Sodium ethylate
    • Einecs 209-573-7
    • 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
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    Specifications

    HS Code

    219009

    Chemical Name Sodium Ethoxide
    Chemical Formula C2H5ONa
    Molar Mass 68.05 g/mol
    Appearance White to yellowish powder or crystalline solid
    Odor Ethanol-like
    Density 0.868 g/cm³
    Melting Point 260°C (decomposes)
    Solubility In Water Reacts (decomposes)
    Solubility In Alcohol Freely soluble
    Cas Number 141-52-6
    Ph 1 Solution Strongly basic
    Storage Conditions Store under inert atmosphere, away from moisture
    Stability Reacts with water and carbon dioxide
    Flash Point Highly flammable (no flash point, but ignites easily)

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

    Packing & Storage
    Packing Sodium Ethoxide is packaged in a 500g amber glass bottle with a tightly sealed cap, labeled for laboratory use only.
    Shipping Sodium Ethoxide should be shipped as a hazardous material, packed in airtight, moisture-proof containers under inert atmosphere. It must be clearly labeled, kept away from water, acids, and oxidizers, and transported according to local and international regulations for flammable solids. Handle with appropriate safety precautions to prevent fire and exposure.
    Storage Sodium Ethoxide should be stored in a tightly sealed, corrosion-resistant container under an inert atmosphere, such as nitrogen or argon. Keep it in a cool, dry, and well-ventilated area away from moisture, air, acids, and oxidizing agents. Avoid exposure to heat and light. Properly label containers and handle with care to prevent accidental contact or ignition, as Sodium Ethoxide is highly reactive and flammable.
    Application of Sodium Ethoxide

    Applications of Sodium Ethoxide in Industrial Manufacturing

    As a direct manufacturer specializing in sodium ethoxide, we supply consistent quality conforming to diverse industrial protocols. This material serves as a critical reagent and process base in multiple sector-specific synthesis lines. Below, we outline key downstream application fields using sodium ethoxide, with dedicated details on sector standards, realistic formulation ratios, downstream process insertion points, and the types of end-use products derived from each area.

    1. Pharmaceutical Active Ingredient Synthesis

    Sodium ethoxide initiates and sustains crucial alkylation, condensation, transesterification, and cyclization steps in the synthesis of APIs, most notably for cardiovascular agents, antibacterials, CNS drugs, and antidiabetic medicines. Its strong basicity and nucleophilic properties make it an irreplaceable base for forming complex pharmaceutical intermediates and enabling clean high-yield transformations under cGMP conditions, while supporting batch and continuous API manufacturing.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • US Pharmacopeia (USP) and European Pharmacopoeia (EP) monographs for relevant APIs
    • FDA 21 CFR Part 210/211 GMPs
    • Chinese Pharmacopoeia (ChP) API process standards

    Typical usage ratio

    • 0.5–2.5 molar equivalents per target starting material, adjusted based on substrate reactivity, desired conversion, and impurity profile control

    Downstream process integration

    • Charged in situ into reaction vessels during condensation, ester exchange, or cyclization steps; typically used during pre-neutralization, alkylation or ring closure operations in both batch and flow reactors, with precise stoichiometry monitored by in-process controls

    Final product types

    • API intermediates (e.g., benzylpiperazine, phenylbutazone skeletons)
    • Finished drug substances for oral, injectable, and topical formulations
    • Specialty pharmaceutical building blocks (e.g., heterocyclic, enolizable moieties)

    2. Agrochemical Synthesis (Herbicides & Fungicides)

    Leading crop protection manufacturers rely on sodium ethoxide as a base catalyst in the formulation of a range of herbicides and fungicides, particularly in processes requiring transesterification or methoxylation of aromatic intermediates. This application calls for reliable quality and performance at industrial reactor scale, ensuring target compound purity and reaction throughput align with regulatory and certification schemes for crop protection substances.

    Industry compliance standards

    • Food and Agriculture Organization (FAO) specifications for pesticide active ingredients
    • ISO 9001:2015 certified quality management systems for pesticide manufacturing
    • REACH (EC 1907/2006) compliance for substance registration in the EU

    Typical usage ratio

    • 2–8% w/w based on target intermediate load or 0.8–2.0 equivalents relative to the scalable active site, with adjustment for solvent system and process temperature control

    Downstream process integration

    • Fed into jacketed reactors during early-stage or mid-stage condensation and alkoxylation steps, often followed by phase separation and distillation for purification; dosing and neutralization managed via automated DCS systems

    Final product types

    • Herbicide technical concentrates (e.g., phenoxy herbicides, ester-type selective weed killers)
    • Fungicide actives with aromatic or aliphatic ester linkages
    • Agrochemical intermediates for further downstream derivatization

    3. Biodiesel (Fatty Acid Ethyl Ester) Production

    Biodiesel plants use sodium ethoxide as a transesterification catalyst to convert natural fats, oils, and triglycerides into fatty acid ethyl esters (biodiesel). Superior yields and short reaction times characterise this base-catalysed process, minimizing soap formation and removing the need for excess methylating agents. Proper dosing and residue control are vital to ensure compliance with regional and international fuel standards.

    Industry compliance standards

    • ASTM D6751 (US biodiesel specification)
    • EN 14214 (European biodiesel quality standard)
    • ISCC EU (sustainability certification for biomass fuels)
    • National Renewable Energy Laboratory (NREL) QA protocols

    Typical usage ratio

    • 0.4–1.0% by weight relative to total oil feedstock, modified according to feedstock FFA level and water content

    Downstream process integration

    • Introduced into transesterification reactors as a pre-mixed ethanolic solution, reacting with triglycerides under controlled heating and agitation; withdrawn via automated pipelines before wash-purification and phase separation

    Final product types

    • Biodiesel (FAEE) meeting automotive or industrial use standards
    • Crude glycerol by-product for technical or pharmaceutical upgrading

    4. Manufacture of Dyes and Pigment Intermediates

    Dye and pigment producers incorporate sodium ethoxide as a critical step in the etherification, condensation, or ring-closure stages required for high-purity azo, anthraquinone, and other functional chromophores. The chemical’s high reactivity ensures reproducible shifts in spectral properties and consistent batch coloring results, vital for end-user requirements in textiles and plastics.

    Industry compliance standards

    • OEKO-TEX® Standard 100 for textile chemicals
    • ZDHC (Zero Discharge of Hazardous Chemicals) MRSL guidelines
    • ISO 9001:2015 quality management for dye and pigment manufacturing

    Typical usage ratio

    • 1–3.5 molar equivalents based on dye precursor load, optimized for batch size, color intensity required, and yield considerations

    Downstream process integration

    • Dosed during intermediate formation or coupling reaction, often under reflux or controlled cooling; involved in subsequent neutralization and filtration steps before drying or crystallization

    Final product types

    • Azo dye intermediates and finished dyes (e.g., acid yellow, reactive red grades)
    • Anthraquinone pigment precursors
    • Specialty colorants for plastics, printing inks, and textile batched

    5. Synthesis of Flavors and Fragrance Esters

    Flavor and fragrance manufacturers use sodium ethoxide to catalyse esterification and transesterification of natural and synthetic feedstocks, forming key aroma compounds. Fine process control ensures compliance with food contact and GRAS safety lists, while enabling scalable and reproducible aroma chemical output for F&F compounders and direct food additive applications.

    Industry compliance standards

    • FCC (Food Chemicals Codex) purity specifications
    • GRAS (Generally Recognized as Safe) status / FEMA GRAS list
    • ISO 22000:2018 food safety management systems

    Typical usage ratio

    • 0.2–1.0% weight-on-weight of acid/alcohol substrate, with real adjustment according to volatility, residue control, and required conversion efficiency

    Downstream process integration

    • Applied in batch esterification reactors, often under reflux and azeotropic water removal, with sampling for conversion tracking and removal post-reaction by acid neutralization and distillation

    Final product types

    • Ethyl ester flavor compounds (e.g., ethyl butyrate, ethyl hexanoate, ethyl acetate)
    • Fragrance intermediates for perfumery and personal care
    • Natural and synthetic aroma chemicals for food, beverage, and consumer applications
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    Certification & Compliance
    More Introduction

    Sodium Ethoxide: Reliable Chemistry Comes from the Manufacturer’s Workbench

    An Inside Perspective on Sodium Ethoxide Production

    From the moment sodium ethoxide leaves our reactors, every detail behind its quality comes from a manufacturing approach shaped by decades of hands-on experience. This chemical looks simple on paper—C2H5ONa, clear white to off-white powder or granular material—but the story goes beyond the formula. We’ve spent years refining our production methods to meet strict industry needs while sidestepping many pitfalls that catch less careful producers. The reason professionals choose manufacturer-sourced sodium ethoxide comes down to confidence: confidence that every package handles the real demands of pharmaceuticals, specialty chemicals, and organic synthesis.

    Model and Specifications Built for Dependability

    Talk to any process chemist about sodium ethoxide, and you’ll hear about purity first. We maintain a consistent sodium ethoxide content above 99%—sometimes verging closer to 99.5%—with impurities (sodium hydroxide, sodium carbonate, moisture) tightly controlled. Why does this tight range matter? Trace water and alcohol residues often ruin batch reliability. Discoloration hints at air or moisture taint during packaging or shipment. Here, routine in-house tests using Karl Fischer titration for water and ICP for metals ensure trustworthy readings. The granular forms handle more calmly in the plant, with less dust exposure, and that means safer working environments. Powder grades dissolve faster for liquid-phase syntheses. We learned to refine particle size to suit these needs by listening to operators who use our product every day.

    What Modern Applications Actually Demand

    Real sodium ethoxide buyers understand that lab brochure purity is only the beginning. Organic synthesis giants use our product for heterogeneous condensation and ethylation steps that run at scale, often hundreds or thousands of kilograms per batch. Here, the base strength and reactivity have to show up batch after batch. In pharmaceutical manufacturing, sodium ethoxide shines in the preparation of ethylated APIs—a step where unrecognized side-reactions destroy yield. We’ve guided many customers through root-cause analysis, checking for trace sodium carbonate that neutralizes too much acid, or spots of excess ethanol from poor drying. Custom-fit drying techniques in our lines strip out excess ethanol without creating static-laden fine powder.

    Biodiesel producers also find sodium ethoxide invaluable for transesterification reactions. Efficiency here means the product dissolves fully in methanol or ethanol, leaving minimal unreacted residue. Careful control of residual sodium hydroxide ensures downstream wash waters keep pH in the desired range, reducing soap formation and saving on post-processing costs—a fact our partners tell us regularly improves their economics at scale.

    What Sets Our Sodium Ethoxide Apart from General Suppliers’ Products

    Some users think sodium ethoxide is a commodity, but production techniques shift the dial on profitability and safety. Bulk sodium ethoxide from oversize distributors often brings in hidden water, which triggers dangerous self-ignition risks and violent hydrolysis. Even marginally sloppy packaging invites air, yellowing the product and dulling its reactivity. Unlike those cases, batch-based production and direct shipment from our plant mean minimal storage lag. Shipments go direct from packaging under dry nitrogen blanketing—an approach we implemented after field reports of spontaneous decomposition in coastal climates.

    Our standard drum packaging holds granular sodium ethoxide in heavy-duty polyethylene liners that survive repeated handling. We reinforced these inner packages after repeated real-world trials; nothing takes the place of seeing how barrels hold up in a busy warehouse, under shifting temperatures and rough delivery handling. For large-volume users, tailored packaging sizes cut back on open-air handling, shaving off time and risk for every job. Industry feedback led us to replace some standard fiber drums with UV-blocking HDPE drums in certain regions—requests born out of observed yellowing after months of storage at high altitude.

    Why Factory-Fresh Material Beats Repackaged Imports

    Distributors who never touch a reactor have a different risk tolerance from those who work in actual production. We’ve received many urgent calls from buyers who used repacked, long-stored sodium ethoxide sourced through trading firms—a gamble that backfires when batch failures eat up time and money. Product shipped direct from the manufacturer usually spends less than a week in actual transit from issuance of certificate to drum arrival. This might sound like a small edge, but it slashes hydrolysis and guarantees batch-to-batch homogeneity because all drums in a lot stay together, not mixed among leftovers from unrelated shipments.

    We don’t warehouse sodium ethoxide in vast quantities. Instead, we synchronize batches to real customer orders, which means we ship only the freshest material. It’s a strategy fine-tuned from years of handling complaints about repacked material full of unseen fines, black specs, or caked lumps. Plant visits reveal true color and texture, so operators pick up on even subtle deviations—a practice that third parties barely bother with.

    Safety Starts in the Drum, Not in the MSDS

    Safety with sodium ethoxide depends on vigilance at every stage, from reactor, to plant, to your door. Improperly produced or repacked sodium ethoxide sometimes puts workers in harm’s way, as even minor moisture leaks during shipping can accelerate decomposition. It reacts instantly with water, releasing flammable ethanol and caustic sodium hydroxide. That’s not some theoretical document risk: a tiny leak at a storage terminal in summer can trigger exothermic reactions strong enough to ignite solvents or damage facilities. Hence, our use of moisture meters at the packaging line, continuous air exclusion, and safety-trained loaders isn’t just “policy”—it’s learned the hard way, preventing losses and shutdowns many times over.

    We never shy away from discussing safety. Training customers on safe handling steps—proper unloading, controlled addition to solvents, and humidity monitoring—has prevented accidents. At a partner plant, we ran side-by-side trials showing the marked reduction in flash incidents after moving from repacked drums to complete, factory-sealed lines. The differences in outcome became self-evident, and fatal errors dropped off.

    Trusted for Pharma, Performance Chemicals, and Beyond

    Every industry uses sodium ethoxide with different expectations. Pharmaceutical manufacturers stake millions on single batches. Any trace impurities slip through the process, and a costly out-of-spec notice can follow. Our sodium ethoxide enters validated systems with those standards in mind—every parameter is double-checked for the realities of cGMP or ICH guidelines, not just theoretical min-max specs. For dye and pigment synthesis, color stability and batch brightness depend on high-purity, low-iron grades that resist unwanted color formation during processing. Feedback tells us that off-color sodium ethoxide introduces tinting problems in certain red dyes—a lesson that sent us back to the drawing board until we found a fix.

    Biodiesel operators care about cost-per-ton and worry about waste emulsions. Consistent performance in the transesterification step depends on reliable alkali content, good dissolution, and low moisture carryover into side streams. Direct conversations with biodiesel plant managers have shaped our approach: their feedback on easier drum opening, faster dilution, and cleaner residue helped us tweak product specs where it counts, not where spreadsheet buyers think it does.

    Reducing Variability by Owning the Process

    Every kilogram of sodium ethoxide we ship results from control over raw materials, process steps, and final packing—none of it left to chance or outsourced to a distant processor. Our plant sources high-purity sodium metal and dry ethanol under contract conditions; technicians maintain a controlled nitrogen atmosphere at every phase. During synthesis, automated titration and Karl Fischer analysis offer immediate data for line operators. This direct chain of control keeps variability to a minimum—an advantage real users see batch after batch.

    We manage effluent and vapor treatment with on-site scrubbers—a necessity born from tight regulations and the lessons of superior environmental stewardship, not just “compliance.” In today’s climate, environmental and quality standards walk hand-in-hand, as regulators increasingly scrutinize even minor deviations in industrial chemical supply chains.

    Lessons Learned from Field Experience

    As manufacturers, we recognize most process problems start with how chemicals are made and packaged. At customer sites, we’ve seen what happens when sodium ethoxide shows up clumped or iridescent yellow after a humid ocean passage. Blends for pharmaceuticals are even more sensitive; small changes in moisture can swing batch yields by double digits. Process engineers count on predictable, on-spec product, and we’ve been called to witness firsthand the headaches of mid-batch precipitation or unstable reaction profiles.

    Direct support bridges those gaps. Plenty of technical discussions with our buyers center on hands-on fixes: adjusting packaging sizes, walking through optimal drum-emptying setups, or offering advice on solution make-up to match specific reactors. Unlike out-of-country “brokers,” we know precisely how to scale drum to container, or when alternative blending procedures dramatically improve results. Our best improvements came from what plant floor workers describe in plain language, not what credentials or marketing slogans suggest.

    Why Purity and Consistency Drive Downstream Success

    Pharmaceutical API-makers frequently switch suppliers after encountering “inexplicable” yield drops or product off-colors. After careful analysis, the culprit nearly always ties back to sodium ethoxide’s water content or presence of trace carbonates left from poor handling. In our facility, titration and moisture readings take place at three points—post-reaction, pre-drying, and directly after final packing. Any inconsistencies send the batch back, not out to the customer. Some might call that “overkill,” yet we see the results in repeatable, high-yield performance for years.

    Color and particle size also play a bigger role than catalog descriptions admit. Granulated sodium ethoxide pours easily, reducing hand contact for safer, more ergonomic handling. In automated loading, dust levels remain low, keeping air filters and workers’ lungs clear. Choosing the right grade has impact not just on synthesis, but on workplace health and overall process efficiency. On that front, user feedback drove us to offer a range of granular and fine powder options, each independently monitored for bulk density, pourability, and flow rate.

    Direct Support Matters to Real-World Outcomes

    By staying close to both the chemistry and the customer, we capture problems as soon as they arise. We field technical service requests directly—no handoffs to third-party “experts” unfamiliar with the real product. That immediacy cuts cycle time and lets us make rapid, meaningful adjustments. For one paint manufacturer, tweaking drum size during the rainy season trimmed raw material waste by nearly 20%. In another case, a pharma client’s suggestion led to our phased rollout of inner-liner oxygen scavengers: a simple improvement that paid off in superior shelf-life and batch-to-batch reproducibility.

    Timely, practical support isn’t about “checklists” or remote emails. It happens on video calls, factory walks, and troubleshooting sessions that directly address the unique quirks every plant has. Trust comes from follow-through, and, as manufacturers, we don’t outsource that responsibility to anyone else.

    Sodium Ethoxide for Today’s Demanding Markets

    Supply chain disruption and regulatory scrutiny increase every year. Large buyers—especially those who operate in regulated industries—see how hub-and-spoke, trading-based supply strategies can let small errors balloon into massive batch failures. Our approach, grounded in hands-on manufacturing and customer-driven refinement, helps stabilize those risks. When regulations around hazardous materials shift or new environmental restrictions appear, we change practices at the manufacturing level (such as by swapping out certain drum types or rolling out stricter VOC controls), not downstream at repacking or warehousing.

    Working with a chemical manufacturer means tapping into process traceability. Every drum can be tied back to a shift, an operator, sometimes even a reactor. That visibility pays off during audits and incident investigations—two things distributors find hard to match. Several of our customers moved to direct-sourced sodium ethoxide after losing time and money to regulatory checks that could not prove origin or handling procedures.

    Future-Proofing Sodium Ethoxide Production: Next Steps

    Manufacturing sodium ethoxide safely and reliably requires constant attention. Technology shifts and regulatory standards demand new scrutiny. We’re rolling out additional in-line monitoring for trace metals and extending shelf-life studies to guide packaging improvements. Every planned update, from new drying chambers to improved weighing scales, comes with plant worker input. This way, what we supply matches real-world usage.

    As sustainability becomes more central to buyers’ decision-making, we fine-tune solvent recovery and energy efficiency schemes inside our plant. The environmental footprint of sodium ethoxide has shrunk in recent years, largely by investing in on-site ethanol recycling and minimizing air emissions. Leading operations don’t treat these measures as marketing fodder; they address them as part of daily production discipline. That discipline trickles down to each drum shipped out.

    Summary: Why True Manufacturing Experience Changes Outcomes

    Having produced and shipped thousands of tons of sodium ethoxide, we’ve learned that even straightforward chemistry demands vigilance, adaptable support, and continuous improvement. It’s no surprise that experienced end-users want direct dialogue with the manufacturer, not a repacker or intermediary. Successful chemical operations thrive on reliable connections. From process design suggestions to packing tweaks adapted for client climates, our perspective comes from practical experience, not theory.

    We don’t just make sodium ethoxide—we commit to performance, safety, and ongoing customer collaboration, every step of the way. Based on everything we’ve seen at our own site and those of our clients around the world, that’s the only way to ensure every kilogram matters. That is how sodium ethoxide should be made, and why reputable partners trust real manufacturers over convenience-driven resellers.