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Ethanedial

    • Product Name Ethanedial
    • Alias Glyoxal
    • Einecs 203-856-5
    • 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

    666894

    ChemicalName Ethanedial
    OtherNames Glyoxal
    MolecularFormula C2H2O2
    MolarMass 58.04 g/mol
    CASNumber 107-22-2
    Appearance Yellowish liquid
    MeltingPoint 15 °C
    BoilingPoint 51 °C (decomposes)
    Density 1.26 g/cm³
    SolubilityInWater Completely miscible
    Odor Pungent
    RefractiveIndex 1.382 (at 20 °C)

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

    Packing & Storage
    Packing Ethanedial, 500g, is packaged in a sealed amber glass bottle with a secure screw cap, labeled with hazard and safety information.
    Shipping Ethanedial (glyoxal) is shipped as a liquid in tightly sealed containers, typically polyethylene drums or IBC totes, to prevent evaporation and moisture exposure. It is classified as a hazardous material and should be transported according to international regulations, including proper labeling, documentation, and handling to ensure safety during transit.
    Storage Ethanedial (glyoxal) should be stored in a tightly closed, corrosion-resistant container, in a cool, dry, and well-ventilated area. Keep it away from heat, ignition sources, and incompatible materials such as strong oxidizing agents. Avoid exposure to moisture, as it is hygroscopic. Store at ambient temperature, protected from direct sunlight, and follow all regulatory guidelines for toxic and reactive chemicals.
    Application of Ethanedial

    Applications of Ethanedial in Industrial Manufacturing

    As a direct manufacturer, we supply ethanedial (glyoxal) to leading industrial customers across several high-value downstream sectors. By controlling purity and consistency at source, we ensure reliable performance in client-specific formulations and strict compliance with industry standards. Below, we outline key application scenarios where ethanedial integrates into production lines, with focused technical details for formulators, process engineers, and quality managers.

    1. Textile Resin Crosslinking (Wrinkle-Free and Durable Press Finishes)

    Leading textile finishing facilities incorporate ethanedial as a core crosslinker for cellulose fibers, enhancing dimensional stability and wash durability in cotton, polyester-cotton blends, and viscose fabrics. The dialdehyde functional groups react with hydroxyl sites on fibers during the resin finishing stage, delivering anti-crease properties favored by garment and home textile producers. The use of polycarboxylic acid resin systems in combination with ethanedial helps meet demanding finish performance without formaldehyde release.

    Industry compliance standards

    • OEKO-TEX® Standard 100
    • ZDHC MRSL conformity (Zero Discharge of Hazardous Chemicals)
    • REACH Regulation (EC) No 1907/2006
    • ISO 3759:2011 (Textiles – Conditioning and testing for resilience)

    Typical usage ratio

    • Formulators typically dose ethanedial at 0.2%–1.5% (w/w) relative to fabric weight; adjustment depends on fiber composition and desired wrinkle-resistance rating.

    Downstream process integration

    • Enters the pad–dry–cure finishing bath, after blending with softening agents and synthetic resins; crosslinking activated in the thermal curing stenter at 150–180°C.

    Final product types

    • Crease-resistant apparel fabrics
    • Permanent press bed linens
    • Industrial workwear textiles
    • Table linen and institutional uniforms

    2. Paper Wet-Strength Resin Manufacturing

    Paper mills use ethanedial as a building block in polyamide or urea-based wet-strength resin synthesis, boosting moisture tolerance and sheet integrity. The molecule reacts with amine or urea groups under controlled pH and temperature during resin polymerization, enabling paper and tissue products to withstand water exposure without fiber disintegration. This application is essential for the performance stability of paper towels, filter papers, and certain board grades in food packaging and filtration.

    Industry compliance standards

    • FDA 21 CFR 176.170 (Components of paper/paperboard in contact with aqueous and fatty foods)
    • EN 13432 (Compostability; paper additives)
    • BfR Recommendation XXXVI (Paper and board for food contact)
    • ISO 5269-2:2004 (Wet-strength determination in laboratory sheets)

    Typical usage ratio

    • 0.05%–0.5% (dry resin % on pulp weight); batch dosage based on end-use moisture-resistance targets and regulatory limits.

    Downstream process integration

    • Incorporates during on-site wet-strength resin synthesis prior to the wet-end application on the papermachine, or directly added to pulp slurry for pre-polymerized resin systems.

    Final product types

    • Kitchen and industrial paper towels
    • Tea bag and coffee filter papers
    • Foodservice trays and molded fiber packaging
    • Medical base papers (surgical drapes, medical test strips)

    3. Leather Tanning Auxiliaries (Retanning and Crosslinking Agent)

    Leather processors employ ethanedial as a selective crosslinker in both vegetable and synthetic tanning operations, optimizing the balance between leather handle, tear strength, and color uniformity. When used in conjunction with polycarboxylic or naphthalene sulfonate-based retanning agents, the dialdehyde structure forms stable, heat-resistant linkages with collagen, reducing shrinkage and improving cut resistance. This function is particularly valued in automotive leather and fashion applications.

    Industry compliance standards

    • REACH Regulation (Annex XVII restrictions for leather chemicals)
    • ISO 17072-1:2019 (Chromium VI testing in leather)
    • LWG (Leather Working Group) Environmental Protocol
    • ZDHC MRSL for tanneries

    Typical usage ratio

    • Typically added at 0.3–1.2% (based on shaved weight); dosage refined according to leather type (full grain, corrected grain) and final application (upholstery, footwear).

    Downstream process integration

    • Metered into the retannage drum after neutralization, post-tanning and pre-dyeing, enabling covalent crosslink formation under mild thermal and mechanical agitation.

    Final product types

    • Automotive upholstery hides
    • Luxury shoe upper leather
    • Fine handbags and accessories
    • Protective workwear leather

    4. Oilfield Water Treatment (Oxygen Scavenger in Drilling and Injection Water)

    Ethanedial serves as an effective oxygen scavenger in oilfield water treatment, minimizing dissolved oxygen content to control corrosion in steel pipeline and downhole equipment. Upon injection, it chemically reduces dissolved O2 through aldehydic oxidation, preventing microbial-induced corrosion and extending infrastructure service life. Usage parameters conform to site-specific fluid characteristics and discharge restrictions required by regional water authorities.

    Industry compliance standards

    • API RP 55 (Oilfield water injection quality)
    • OCNS (Offshore Chemical Notification Scheme – UK/Europe)
    • ASTM D888 (Dissolved oxygen in water)
    • Local environmental wastewater directives

    Typical usage ratio

    • Injection rates typically from 30–150 ppm; determined by baseline oxygen levels, temperature, and residence time; higher dosages occasionally needed when high dissolved oxygen persists.

    Downstream process integration

    • Continuously dosed into make-up or produced water upstream of wellhead, prior to tubing entry or injection pumps; dosed via automated chemical feed systems.

    Final product types

    • Corrosion-protected injection water
    • Downhole waterflood systems
    • Oil recovery process waters
    • Pipeline preservation fluids

    5. Dialdehyde Starch Production for Food Packaging and Biodegradable Films

    Starch modification plants utilize ethanedial for the selective oxidation of native or pregelatinized starch under controlled pH and moisture, generating dialdehyde starch that imparts improved film-forming, barrier, and biodegradation profiles. The tailored crosslink density enables biodegradable packaging films and coatings with regulated water vapor permeability for single-use and compostable food contact materials.

    Industry compliance standards

    • FDA 21 CFR 176.170 (Starch-based coating in food packaging)
    • EN 13432 (Compostability for packaging)
    • Commission Regulation (EU) No 10/2011 (Plastic materials and articles in contact with food)
    • ISO 18604:2013 (Material recycling)

    Typical usage ratio

    • Ranges from 0.5%–2% (w/w to dry starch); actual addition based on targeted aldehyde substitution degree to achieve flexibility and strength specifications.

    Downstream process integration

    • Reacted in aqueous starch suspension at 35–60°C, neutralized, washed, and dried to prepare granules or dispersions for downstream film extrusion or coating lines.

    Final product types

    • Biodegradable flexible packaging films
    • Edible food wraps
    • Paperboard coatings for disposable tableware
    • Compostable waste bags

    6. Pharmaceutical Intermediates (API and Excipient Synthesis)

    Pharmaceutical manufacturing sites employ ethanedial as a starting aldehyde for heterocycle building blocks, including imidazoles and oxazoles, and in regioselective glycine condensation reactions. Its high purity enables strict batch traceability and reproducibility in downstream reactions during active pharmaceutical ingredient (API) and key excipient production. Reactivity must align with multi-stage GMP process controls for international regulatory compliance.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for APIs
    • Current USP/NF and Ph. Eur. Monographs for excipients and intermediates
    • 21 CFR Parts 210/211 (US FDA cGMPs)
    • EDQM CEP (Certificate of Suitability for Intermediates)

    Typical usage ratio

    • Generally introduced at stoichiometric levels (generally 1:1 aldehyde:amine for imidazole or oxazole core synthesis), adjusted for batch yield and reaction selectivity.

    Downstream process integration

    • Charged as a reactive intermediate to glass-lined or stainless reactors using controlled dosing systems, under validated synthesis protocols at defined temperatures and solvent environments.

    Final product types

    • Pharmaceutical-grade imidazole derivatives (API intermediates)
    • Mild antiseptic excipients
    • Heterocyclic building blocks for peptides
    • Bulk intermediates for regulated chemical syntheses
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    Certification & Compliance
    More Introduction

    Ethanedial: A Manufacturing Perspective

    A Fresh Look at Ethanedial

    Every day in our plant, we churn out batch after batch of ethanedial—most folks know it as glyoxal. This is a compound our industry has counted on for decades, and for good reason. Even though it’s a simple dialdehyde, we see its effects ripple across textiles, leather tanning, specialty chemical synthesis, and more. With a distinct sharp odor and strong reducing properties, it stands as a dependable workhorse among aldehydes. Our model offers a colorless to pale yellow liquid, with purity that meets or exceeds benchmarks needed for demanding manufacturing environments.

    The Heart of the Product: Chemical Identity and Quality

    Every ton of ethanedial we send out matters. Specifications mean more than ticking off boxes—they determine if a textile finish holds fast or if a paper treatment delivers the right effect. From our team’s experience, maintaining a purity above 40% by weight in aqueous solution is where consistency starts. Impurities such as glycolic acid or acetic acid demand careful monitoring. Our customers in resin manufacturing tell us that these trace impurities can alter cross-linking properties. We use high-grade feedstocks, tested at every stage, so each drum delivers what our partners expect.

    Our quality control team uses titration and gas chromatography to keep every batch on point. Over years of production, we’ve learned that even minor variations in concentration or contamination can derail downstream processes. Textile companies rely on a dependable forming agent, and paper makers look to us to provide a product that helps with wet-strength without unexpected surprises.

    Strengths in Application: What Sets Ethanedial Apart

    Most aldehydes bring reactivity to the table—ethanedial takes it further. With two aldehyde groups bridging a two-carbon backbone, its bifunctionality makes it a strong cross-linker. In the laboratory and on the shop floor, this means our material interacts well with diverse substrates. The high reactivity opens doors in textile finishing, where cross-linking cellulose fibers leads to strong, wrinkle-resistant fabrics. Instead of relying on formaldehyde-based compounds, which often come with toxicity and odor complaints, customers have found ethanedial to be a safer alternative.

    Leather processors count on ethanedial during retanning because of the even distribution it offers across hides, leading to products that stay supple and color-stable for years. We hear from our long-term customers that switching to our ethanedial helped them keep up with tighter emissions rules without compromising the character of their finished leather. In water treatment, the product plays a key role as a biocidal component. Its power comes from its ability to disrupt biomolecules at low concentrations, leaving behind few troublesome byproducts.

    Comparing Ethanedial to Other Aldehydes

    The chemical world offers plenty of choices for cross-linkers and reactants: glutaraldehyde, formaldehyde, succinaldehyde. Out in the real world, differences aren’t just numbers on a spec sheet. Formaldehyde dominates in cross-linking chemistry, but we've seen first-hand how ethanedial’s lower volatility and more predictable reaction rates make it easier to handle. Glutaraldehyde may offer stronger protein cross-linking but often brings higher cost and disposal headaches.

    Feedback we get from synthetic resin producers underscores ETHANEDIAL’s stronger reducing strength compared to monoaldehydes. The aqueous solution form helps avoid inhalation hazards. With increased workplace scrutiny and regulations tightening around exposure, workers feel safer with ethanedial-based lines. During formulation, our material integrates smoothly, offering shelf stability and ease of dosing. For certain customers, the price-to-performance ratio tilts clearly in ethanedial’s favor, especially where product purity and regulatory compliance matter as much as cost.

    Using Ethanedial in the Field: Lessons from Industry

    Over the years, we’ve supplied to dozens of segments, but the stories that stick with us often come from process engineers who faced grinding production halts before switching chemicals. In cellulose modification for paper and textile, switching to ethanedial resulted in reduced machine downtime and fewer complaints about finished goods quality. Our partners shared that before adopting our product, yellowing, uneven coating, and residue buildup plagued their lines. With ethanedial, they dialed in processes, controlled byproduct formation, and gained consistent performance.

    Every shipment leaves with clear handling instructions, because while ethanedial marks an improvement in user safety, it remains a potent compound. Spill management remains critical. Our frontline teams in the plant emphasize safe storage—temperatures between 15 to 25°C and airtight containers keep the product stable for the long haul. End users appreciate fast turn-around on technical questions because minor changes in process conditions—pH shifts or temperature changes—can alter reactivity.

    Changing Regulatory Landscape

    Modern manufacturing doesn’t operate in a vacuum. Laws on workplace exposure and effluent tightening up mean customers need products with lower toxicity and easier waste treatment. Traditional aldehydes like formaldehyde increasingly face scrutiny over carcinogenicity. Based on our ongoing monitoring of regulatory updates, ethanedial rarely appears on lists of concern for residues in consumer textiles or leathers.

    Handling protocols in our plant reflect this shift. With closed systems, vapor containment, and improved personal protective equipment, incidents have dropped sharply over the last decade. We encourage site visits and audits because transparency improves safety and trust along the supply chain.

    Meeting New Industry Needs with Improved Product Consistency

    Our team recognizes that no two industries want the same set of properties from ethanedial. A paper mill requests a standard 40% aqueous solution with minimal traces of glycolic acid, while an oilfield operator uses a bespoke blend, buffered and stabilized to prevent degradation during long-haul shipment. Close communication with end-users allows us to tweak formulation and packaging. Instead of offering a single generic product, we have developed a portfolio built from real-world feedback.

    Long-term storage stability challenges used to put a limit on batch sizes. Packaging engineers and process chemists on our team collaborated to introduce lined drums and new stabilizers, resulting in shelf life extensions by several months. Fleet operators and warehouse staff reported fewer off-odors and less frequent incidents of product gumming or crystallization. These concrete improvements translate into lower costs and make planning easier.

    Supporting Environmental Responsibility

    Sustainability is more than a buzzword at our plant. Every day, we look for ways to reduce the environmental load from ethanedial production and application. Switching some of our feedstock sources to renewables has shrunk our carbon footprint, and we continue evaluating water usage and recycling. In treatment facilities and during disposal at customer sites, the breakdown products from ethanedial are less of a worry compared to other aldehydes. Most degrade soon after use, and treatment facility records confirm low environmental persistence.

    We work closely with researchers on emerging “greener” cross-linkers, but the reality is that few match the performance of ethanedial in tough industrial settings. Where possible, we help users minimize over-application by sharing best practices on dosing and system integration. Fewer chemicals in the process flow mean less wastewater to treat and a lighter load on workers.

    From Procurement to End Use: Insights from the Supply Side

    Relationships between manufacturer and user depend on reliability. We take pride in offering supply contracts that reflect not just tonnage, but ongoing technical support and routine audits. Recurring feedback from engineers at customer sites has led us to tweak not only batch sizes and packaging, but also on-site delivery and inventory planning.

    Downtime caused by supply hiccups can’t always be solved by keeping a bigger warehouse. Our logistics and procurement specialists work hand-in-hand with production, ensuring raw materials come from sources that meet not just physical quality but also social and ethical standards. Users in the textile and cosmetic ingredient sectors have flagged increasing attention to responsible chemical sourcing. We provide full traceability down to the batch level.

    Continued Product Evolution Driven by Real-World Demands

    Requests for high-purity ethanedial solutions in electronics processing have pushed us to invest in new distillation and filtration equipment. The lessons learned from scaled-up batches have rippled into all aspects of plant operation. For certain sensitive applications, like optical coatings, even a hint of metallic contamination or organic residue may lead to rejection of entire lots of finished product. As a result, our analytical testing has grown more rigorous—heavy metals and trace organic compound checks now constitute a routine part of our quality control cycle.

    Old hands in the industry remember days where effluent standards were less demanding, yet market forces now reward suppliers like us who can document low residuals and provide robust technical support. We offer flexible lot sizes and shipping formats, and customers point to our responsiveness as a key factor in their vendor evaluation.

    Why Product Knowledge Makes a Difference

    New users of ethanedial often come with specific questions—why choose this over glutaraldehyde or formaldehyde in a particular resin, or what downstream effects should they expect in cross-linked polymers? In our experience, product knowledge becomes a win-win in situations like this. Our technical advisors, engineers at heart, show users where ethanedial’s dual aldehyde functions boost the efficiency of their processes.

    These aren’t theoretical benefits. For example, in nonwovens production, ethanedial increases web strength with less process heat, reducing energy costs. In certain protein-based adhesives, clients have measured increases in both tack and drying speed. Unbiased performance data from pilot trials at customer sites help drive these choices, not just salesperson promises or manufacturer claims.

    Tackling Challenges Head-On

    Every product comes with learning curves. Ethanedial’s high reactivity can cause side-reactions if pH isn’t carefully managed. Process water with metallic impurity spikes will sometimes trigger unwanted precipitation, forming stubborn deposits. Years of troubleshooting these issues taught us to emphasize customer training and upfront process evaluation. Site visits and collaborative process audits bring problems to light early, before small inconsistencies in dosing or environmental control become big setbacks on the production line.

    Seasonal changes in shipping and storage conditions sometimes lead to customers reporting cloudiness or phase separation. In response, our plant managers have tightened controls on tank farms, temperature monitors, and winterized transport. Real-time monitoring—and quick response to field calls—makes sure product quality doesn’t drop during transit.

    Looking Forward: Trends and Expectations

    Requests for bio-based and food-grade ethanedial are coming more frequently. While our primary focus remains industrial supply, we invest time in research initiatives exploring purification methods that could unlock new markets. End-user industries should expect ongoing improvements in both purity and process feedback, as more sectors demand safe and reliable cross-linking without legacy health or environmental concerns.

    As makers, we don’t see ethanedial as a static commodity. Research in applications like diagnostic reagents, advanced textiles, and specialty monomers keeps us on our toes. With collaborative customers and rigorous post-market surveillance, our facility stays ready to adapt to rising demand and evolving expectations.

    Final Thoughts: Manufacturing Confidence in Ethanedial

    From raw material procurement to finished shipment, our hands guide ethanedial through each step. Year-on-year, we’ve built trust not just by selling a staple chemical, but by supporting the people who put it to work. In today’s market, reliability and performance must come bundled with transparency and support. Based on hard-earned experience, we know that careful attention to specification, quality assurance, regulatory trends, and environmental responsibility brings customers back.

    Every tank, drum, and shipment tells the story of a manufacturer embedded in the evolution of ethanedial. As industries change, we keep refining—not just to meet current specs, but to deliver solutions that match today’s challenges and tomorrow’s possibilities.