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1,2-Diformyloxyethane

    • Product Name 1,2-Diformyloxyethane
    • Alias Ethylene diformate
    • Einecs 211-076-1
    • 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

    976051

    Chemical Name 1,2-Diformyloxyethane
    Molecular Formula C4H6O4
    Molar Mass 118.09 g/mol
    Cas Number 2033-64-7
    Appearance Colorless liquid
    Boiling Point 162-164°C
    Density 1.167 g/cm³
    Melting Point -35°C
    Refractive Index 1.405
    Flash Point 64°C
    Smiles O=COCCOC=O
    Pubchem Cid 16633

    As an accredited 1,2-Diformyloxyethane factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 1,2-Diformyloxyethane is packaged in a 250 mL amber glass bottle, clearly labeled with hazard warnings and chemical information.
    Shipping 1,2-Diformyloxyethane should be shipped in tightly sealed containers to prevent leakage and moisture ingress. It must be clearly labeled and transported as a chemical substance, following all applicable regulations for flammable and potentially hazardous organic compounds. Store and handle away from strong oxidizers and ignition sources during transit.
    Storage 1,2-Diformyloxyethane should be stored in a cool, dry, and well-ventilated area away from sources of ignition and incompatible substances like strong oxidizers. Keep the container tightly closed and protected from direct sunlight. Use appropriate chemical-resistant containers and ensure clear labeling. Store at room temperature and avoid excessive heat or moisture to maintain stability and prevent hazardous decomposition.
    Application of 1,2-Diformyloxyethane

    Applications of 1,2-Diformyloxyethane in Industrial Manufacturing

    We supply 1,2-diformyloxyethane for several demanding industrial applications where specific chemical properties and process compatibility are required. This section provides a detailed overview of real downstream sectors, typical compliance requirements, dosing guidelines, process integration, and finished products relating to this specialty intermediate.

    1. Electrolyte Solvent Synthesis for Lithium-Ion Batteries

    Battery manufacturers use 1,2-diformyloxyethane as a specialty co-solvent in non-aqueous electrolyte solutions, especially to enhance the electrochemical stability and lower viscosity in high-voltage lithium-ion cells. It supports higher ionic conductivity and improved cycle performance in advanced energy storage systems. Consistent QC and stringent environment, safety, and health measures are required from raw materials through cell assembly.

    Industry compliance standards

    • IEC 62660-2:2018 (Secondary lithium-ion cells for automobile applications)
    • UN 38.3 Transport Regulations (Battery Shipping)
    • ISO 9001:2015 Quality Management Systems
    • REACH Regulation (EC 1907/2006) for chemical registration

    Typical usage ratio

    • 3–15% by weight in electrolyte formulation, adjusted for cell voltage and required viscosity

    Downstream process integration

    • Direct addition at the electrolyte blending stage, co-mixed with organic carbonates and lithium salts, followed by filtration and vacuum drying before injection into battery cells

    Final product types

    • Prismatic, cylindrical, and pouch-type lithium-ion batteries for electric vehicles and energy storage systems

    2. Intermediate in High-Temperature Polycarbonate Synthesis

    Polycarbonate resin producers incorporate 1,2-diformyloxyethane as a reactive intermediate during the transesterification/polycondensation phase. Here, it acts as a controlled source of formate groups for molecular chain modification, promoting targeted molecular weights and enhancing thermal stability. Raw material certification and traceability ensure compliance at every production batch.

    Industry compliance standards

    • ISO 19069-1:2015 (Polycarbonate thermoplastic compounds)
    • EN 71-3:2019 (Safety of toys – migration of certain elements)
    • RoHS Directive 2011/65/EU (Restriction of Hazardous Substances)
    • GMP (Good Manufacturing Practice) for polymer applications in food contact materials (EC 2023/2006)

    Typical usage ratio

    • 0.5–2.5% by weight as a functional modifier, tuned according to target polymer viscosity and required heat resistance

    Downstream process integration

    • Added to the reactor during melt-phase transesterification, typically after initial carbonate feedstock charging and directly monitored in molecular weight control steps

    Final product types

    • High-durability polycarbonate sheets and molded parts for automotive components, optical discs, and consumer electronics housings

    3. Solvent and Diluent for API Manufacturing in Pharmaceuticals

    Pharmaceutical manufacturers apply 1,2-diformyloxyethane as a high-purity, low-toxicity solvent during certain active pharmaceutical ingredient (API) synthesis steps, especially those involving organometallic reactions or N-alkylation procedures. Full documentation of trace impurity profiles and validated cleaning protocols are mandatory due to GMP requirements.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • 21 CFR Part 211 (cGMP for Finished Pharmaceuticals, US FDA)
    • European Pharmacopoeia (Ph. Eur.)
    • USP-NF Solvent Residue Guidelines

    Typical usage ratio

    • 5–30% by volume in specific reaction media; actual use tailored for solubilization capacity versus quenching requirements

    Downstream process integration

    • Charged into reaction vessels preceding the introduction of main reactants or catalysts, followed by downstream solvent removal/purging steps and validated through residual solvent analysis

    Final product types

    • High-volume small molecule APIs and intermediates for anti-infective and cardiovascular pharmaceuticals

    4. Acetalization Agent in Custom Synthesis of Fine Chemicals

    Chemical process companies employ 1,2-diformyloxyethane as a selective acetalization agent for aldehyde protection in the multi-step synthesis of aroma chemicals and specialty intermediates. The compound enables precise protection/deprotection strategies under controlled temperature and pH, meeting strict downstream purity benchmarks.

    Industry compliance standards

    • ISO 9001:2015 and ISO 14001:2015 for custom synthesis plants
    • IFRA (International Fragrance Association) Standards for aroma intermediates
    • REACH (EC 1907/2006) for chemical safety and registration
    • Hazardous Chemicals Registration under local environmental agencies

    Typical usage ratio

    • 1–10% by weight with respect to protected aldehyde; ratio set by substrate reactivity and desired acetal stability

    Downstream process integration

    • Added during the aldehyde acetalization reaction stage, then removed by aqueous workup or acid hydrolysis in the final step to unmask the target group

    Final product types

    • Protected aroma intermediates, high-purity specialty aldehyde derivatives, and advanced organic building blocks
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    Certification & Compliance
    More Introduction

    Introducing 1,2-Diformyloxyethane: A Reliable Choice Rooted in Real-World Manufacturing

    Real Expertise Behind a Trusted Compound

    After more than fifteen years in the fine chemicals business, patterns stand out. Customers who use 1,2-diformyloxyethane tend to return for the same reasons: reliability, clear consistency, and fewer headaches on the shop floor. Unlike commodity chemicals that bounce between suppliers, this compound earns loyalty from diligent R&D heads and experienced production supervisors faced with tight tolerances and evolving product lines. Calls about this compound don't come from glossy sales offices, but from labs and plants looking for technical clarity and trusted performance.

    Chemical Characteristics and Our Model

    On our line, production of 1,2-diformyloxyethane follows tight QC and lot-traceability. As a diester of ethanediol and formic acid, the molecule offers moderate polarity and a manageable boiling range. The purity specification—walked through dozens of audits and method development meetings over the years—remains no less than 99.5% by GC. Water and acid residue readings consistently meet analytical chemists’ scrutiny; experience has shown high water content rattles syntheses downstream. Our batches show a clear, colorless liquid: smells faintly acrid, no off-odors. This isn’t dressed up bulk—these are physical details that project managers verify with every shipment.

    Practical Use Cases from the Factory Floor

    We see 1,2-diformyloxyethane land in three main sectors. The battery space asks for it as a specialty solvent, especially for advanced electrolytes. Here, a consistent dielectric profile means fewer surprises with cell stability and extended cycle testing. Electrochemistry groups rely on the clarity of the material, noting that every ion pathway depends on solvents free from trace metal ions. The pharma sector, especially in custom synthesis, chooses it for tailored protection of diols or as a flexible reagent for formyl transfer. One research customer flagged that oddball impurities during a multi-step process halted a run for weeks, so routine feedback on NMR and GC traces gets a real-world workout. In high-performance coatings, the ester resists hydrolysis more than low-molecular alkyl esters, which allows for longer pot life and better finish when working with more reactive resin systems.

    Experience With Customers – Patterns That Matter

    Requests come in from all sizes: multinationals running continuous plants, mid-sized custom synthesis outfits, even university pilot lines. Veteran process engineers in coatings tell us they need zero visible residue after evaporation and a profile that won’t foul up their expensive catalysts. We’ve collected stories about competitors’ batches with trace acetic acid, leading to failed glue adhesion or yellowed films. Clean, dependable 1,2-diformyloxyethane helps avoid such pitfalls. Our tech team responds fast on spec clarifications, sometimes speaking directly with line operators—not just procurement. This saves weeks on troubleshooting and reduces the chance of costly re-blends.

    Distinctions Versus Similar Compounds

    Customers often ask about the difference between 1,2-diformyloxyethane and dialkyl ethers or common glycol esters. The key lies in the balance of polarity and hydrolytic stability. While diethylene glycol diacetate offers a similar ester structure, the formyl groups on 1,2-diformyloxyethane bring a tighter molecular footprint and distinctive reactivity in protecting group applications. For solvent applications, the lower viscosity and manageable vapor pressure bring easier handling over heavier analogues. Suppliers of low-grade product sometimes miss trace formic acid management, but our route consistently delivers below 0.02%, which production QC teams appreciate in the context of stringent process safety management.

    As opposed to simple alkyl esters, our compound does not cause the same flammability worry in high-temperature settings and shows less tendency to form peroxides. This adds a layer of operational security, particularly in pharmaceutical and battery electrolyte use, which do not allow for uncontrolled reactivity. Few products offer the same blend of chemical discipline along with authentic feedback from line supervisors and R&D leads.

    Why Purity and Traceability Shape Trust

    Every run passes through a traceable string of records. In the past, we’ve observed that minor slipups—such as mislabeled raw materials or overlooked filtration—can creep into production, so our QC checks each incoming drum for density, refractive index, and trace color. This isn’t bureaucratic; decades of detailed records allow repeatable batches and root-cause investigations, keeping customer trust intact. One international customer even required a full multi-year batch genealogy before onboarding; we provided it. Such details minimize regulatory headaches and guarantee that what leaves the plant is exactly as specified.

    We’ve held technical open days where customers see real instruments run live analyses on outgoing batches, answering difficult questions about trace impurities or spiking experiments. These experiences built technical relationships that now span years, grounded in technical candor over rigid sales presentations. Few buyers tolerate long delays on tech data or unreproducible results—especially in pharma or electronics, where downtime burns through budgets at a frightening pace.

    How Consistent Sourcing Powers Downstream Results

    As synthetic chemistry keeps growing in scope, the pressure to tighten formulations increases. Feedback from coatings clients shows that small slips in purity create off-shade products or fish-eye defects—tough issues to diagnose after the fact. In batteries, minute impurities in solvents like 1,2-diformyloxyethane can break critical passivation layers on the electrode, torpedoing a new chemistry before it reaches the pilot stage. Field failures trace back to the smallest gaps between incoming QC and batch record-keeping. Over the years, we have set up supply contracts with flexible lot sizing and quick-turn shipments, taking lessons from customer feedback on need for consistent, clear delivery and documentation.

    Engineers don’t want surprises mid-campaign, so we maintain redundant intermediate storage for critical grades, and batch retest samples sit archived as a technical backstop in case something unusual pops up. This attention to consistent performance doesn’t happen by accident; it is driven by years of plant-floor lessons learned through real customer calls, not hypothetical case studies. Late-night requests for urgent COAs or new technical packages are handled directly by chemists and plant QA—not a distant trading office. That’s how operational trust grows over time.

    Solving Pitfalls: Listening, Adapting, Delivering

    Manufacturing chemical intermediates involves a level of unpredictability—no two customer setups handle material in quite the same way. Through watching batch reactions, lingering by the filtration benches, and speaking to operators and chemists directly, we pick up the pain points. Fine droplets during distillation affected several clients until we refined our anti-foaming protocols and revamped side-stream filtration. Quality issues teach direct lessons; an instance of off-odor in an early lot circled back to a raw acid drum mishandling. Protocols got adjusted immediately—no endless chasing through generic quality statements.

    Experienced users point out real-world differences: “Your batches don’t clog my pumps after three weeks,” or “See less drift in our process titrations.” Feedback loops with technical teams taught us how different storage conditions or slight seasonal shifts in humidity impact long-term stability—a lesson missed by some who treat product formulation as a paperwork exercise. If a customer’s system changes, rapid adjustment to meet new purity or packaging needs takes precedence. Custom drum sizes, double-sealed pails, even robust tamper-evident labels—all grew out of repeated field requests, answering actual use scenarios, not just imaginary ones.

    Differences in Approach: Beyond Commodity Supply Chains

    Many requesters try to pin down price vs. quality up front, looking for a low-variance, “set it and forget it” supply. Years of hands-on production have shown that 1,2-diformyloxyethane isn’t a pure volume play; it requires close technical partnerships, particularly for advanced R&D and fine chemicals. While some outlets use spot-market blending, we follow a fixed synthetic route that leads to traceable, repeatable lots. This eliminates batch-to-batch deviation and halves customer retesting costs. Our commitment goes deeper than just clean drums; it extends to technical information sharing, on-site troubleshooting, and maintaining open data. This keeps operations running even as product demands shift.

    Several coating and pharma clients reference our independent impurity screening program, describing it as “the difference between a product that supports success and one that quietly undermines it.” These audits didn’t arise out of regulation. They came from years of working directly with teams who troubleshoot real failures and value transparency over marketing. The plant team knows the smallest details—like consistent NMR peaks or the right freeze-point—matter in long-term process reliability, so every delivery comes with full documentation and an expectation of direct feedback. We don’t keep improvement suggestions in a box for review—engineers from QA to R&D meet monthly for joint technical discussions, surfacing issues before they snowball.

    Regulatory and Safety Concerns Managed by Lived Experience

    In chemical production, compliance isn’t handled by paperwork alone. One mistake—a missed safety review, accidental exposure, or improper drum stacking—can put employees and customers at risk. Years ago, a storage mishap with a different ester led to a costly ventilation redesign. We absorbed the lesson and now maintain strict handling protocols for all shipments of 1,2-diformyloxyethane, verified by routine third-party audits and in-house chemical hygiene programs. Documentation proves necessary, but hands-on inspections and regular process hazard assessments help catch issues before they turn into problems. A culture that values feedback, both internal and external, keeps incidents to a minimum and supports customer risk mitigation plans too.

    Shared Wins Drive the Future: Collaboration in Product Development

    Much of the feedback that strengthens our process comes from end-users. Pharmaceutical synthesis shops, for instance, called for better purity guarantees tied to reaction outcomes. Through joint development projects, real-world benchmarks replaced theoretical specs. This led to our current level of declaration for trace metal screening and the inclusion of oxygen stability indices in the standard QC slip. Battery manufacturers requested more detailed vapor pressure and electrical property documentation, so we established a feedback line with regular data-sharing and site visits. Technical support isn’t just available—it’s proper collaboration. From small experimental campaigns to full-scale commercial launches, our team stands ready to iterate on product packaging, loading, shipment logistics, and even direct support during startup runs. This type of workflow, built over years of continuous contact, outlasts fast trends.

    Looking Forward: Innovation With Accountability

    Chemical manufacturing is about more than meeting the minimum bar for specification or certification. Each batch of 1,2-diformyloxyethane reflects years of sustained technical investment and direct dialog. Innovations grow out of lived experience. R&D teams flag growing needs—whether for next-generation electrolyte performance, advanced resin compatibility, or tailored reactivity for custom synthesis—and manufacturing teams respond with practical adaptation.

    A new purification column design based on real customer feedback, process digitization tied to observable improvement in batch reproducibility, and early adoption of analytical tools for trace-level impurity detection are all results of this focused approach. Only this level of engagement consistently meets real-world demands, maximizes process uptime, and protects end-products downstream.

    Choosing a Partner, Not Just a Supplier

    Every industry professional values honesty: challenges, successes, learning—all are part of the daily flow. Our manufacturing team stands out because the commitment runs from planning through shipment to follow-through. 1,2-diformyloxyethane isn’t just a chemical on a list; it’s a piece of broader operational trust between teams who depend on each other for success.

    Whether solving a one-off impurity mystery during a pharma pilot or helping a technical director re-tool battery cell assembly lines, our lessons shape a responsive, sustainable supply. Customers know exactly what arrives in every shipment and have a responsive partner to help solve new puzzles. That approach turns a basic chemical into a foundation for growth—a commitment visible in every drop.