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HS Code |
839782 |
| Chemical Name | Tetronic Acid |
| Iupac Name | 4-hydroxy-2,5-dihydrofuran-2-one |
| Molecular Formula | C4H4O3 |
| Molar Mass | 100.07 g/mol |
| Cas Number | 497-18-7 |
| Appearance | White to off-white powder |
| Melting Point | 178-182 °C |
| Solubility In Water | Soluble |
| Boiling Point | Decomposes before boiling |
| Density | 1.615 g/cm³ |
| Pka | 2.64 |
| Synonyms | 2,4-Hydroxy-2(5H)-furanone |
As an accredited Tetronic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Tetronic Acid is supplied in a 25g amber glass bottle with a tamper-evident cap and labeled with hazard information. |
| Shipping | Tetronic Acid should be shipped in tightly sealed containers, protected from moisture and light. Store and transport under cool, dry conditions. Ensure compliance with relevant chemical transport regulations. Handle with appropriate safety measures, including labeling as an irritant. Avoid contact with incompatible substances. Consult the Safety Data Sheet (SDS) for specific shipping and handling guidelines. |
| Storage | Tetronic Acid should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from direct sunlight, heat, and sources of ignition. Avoid exposure to moisture and incompatible substances such as strong oxidizing agents. Properly label storage containers and keep away from food and drink. Use secondary containment to prevent accidental spills or leaks. |
Applications of Tetronic Acid in Industrial ManufacturingAs a dedicated manufacturer of Tetronic Acid, we supply this specialty intermediate to global industries with strict quality oversight and traceable sourcing. Our expertise covers every stage, from custom synthesis to technical support for customer formulations. Below, we present practical industrial applications where Tetronic Acid plays a proven and integral role, outlining relevant standards, process insights, formulation parameters, and end-use references. 1. Organic Pigment Synthesis for Automotive CoatingsTetronic Acid functions as a key raw material in the synthesis of high-performance azo and anthraquinone pigments used in automotive OEM and refinish coatings. During pigment manufacturing, it enables stable chromophore formation, supporting precise color matching and maintaining weatherability under automotive application demands. Integration focuses on fine-tuned yield and purity control, directly impacting coating uniformity in downstream paint production. Industry compliance standards
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2. API Intermediate for Cephalosporin Antibiotic SynthesisTetronic Acid is widely used by advanced pharmaceutical manufacturers as an intermediate in cephalosporin antibiotic synthesis, especially for the preparation of key side chains that impart bioactivity and stability. Its controlled introduction at the precursor modification stage allows for high batch reliability and compliance with global pharmacopoeia specifications. Downstream users rely on process validation to ensure trace-level control of related substances. Industry compliance standards
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3. Agrochemical Synthesis for Selective Herbicide ActivesTechnical-grade Tetronic Acid supports the fine chemical production of heterocyclic intermediates essential for modern selective herbicide molecules. By entering multi-stage synthesis of heteroaryl moieties, it achieves high pathway selectivity and consistency in yield, which are pivotal for agrochemical efficacy and regulatory approval processes. Strong batch monitoring ensures food-chain traceability in later application. Industry compliance standards
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4. Polymer Crosslinking for Ion-Exchange Resin ManufacturingProducers of ion-exchange resins exploit Tetronic Acid as a functional crosslinker, enhancing stability and selective ion affinity in resin bead production. The acid is introduced during co-polymerization of styrene-divinylbenzene or acrylic matrices, where it forms chelating sites tailored for water treatment and chemical process applications. Downstream optimization requires balancing crosslink density and porosity to meet industries’ flow and exchange performance targets. Industry compliance standards
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5. Fine Chemical Synthesis for Photographic Dye ProductionFine chemical manufacturers utilize Tetronic Acid to build stable quinoid cores in high-purity photographic dyes. These dyes demand exceptional purity and spectral properties for application in professional imaging and printing solutions. The material enters precisely controlled syntheses, followed by column chromatography purification, ensuring downstream users maintain batch-to-batch reproducibility and color consistency in sensitive imaging applications. Industry compliance standards
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With over two decades in chemical manufacturing, our team has seen how precision and process control shape the consistency and dependability of Tetronic Acid. This compound stands as a vital intermediate in pharmaceutical development, agrochemical synthesis, and specialty material applications. Our plant runs on a continuous commitment to purity, batch-to-batch repeatability, and strict adherence to safety standards—attributes that have never been more important across both small- and large-scale production.
Tetronic Acid is a heterocyclic compound, recognized in the chemical community by its 4-hydroxy-2(5H)-furanone backbone. Our standard offering features a purity level above 99%, measured by HPLC and further confirmed by NMR analysis. Through years of investment in reactor design and process optimization, we have made sure that moisture and trace impurity controls meet modern compliance requirements for research and industrial use alike.
As seasoned producers, we have watched the field’s shift toward specialty synthesis—fewer bulk orders, more tailored demands. One consistent request: Isomeric purity. The precise synthesis route and highly sterile environment in our line reduce risk of off-isomers. Our approach avoids cross-contamination, thanks to custom glass-lined vessels and isolated process streams. This commitment directly improves downstream process yields for our customers, especially those in pharmaceutical research who rely on predictable reaction pathways.
Every time we prepare a new batch, we revisit our methodology. Raw materials undergo third-party analytical screening before they even reach our main process hall. We avoid shortcuts in filtration, sticking with pressure-driven ceramic membranes for optimal particle separation, and track critical parameters by inline quantification instruments—not old-style grab sampling that often produces mixed results.
It took years to refine the acid’s isolation step. Early on, we found that crystallization temperatures swing more than they should when relying on traditional jacketed vessels. Through careful data logging, we observed even minor pressure fluctuations could reduce crystalline uniformity, so our control systems now respond in real time to pressure feedback, ensuring sharp precipitation cutoffs. Our best yields stem from following these controls without exception, especially as Tetronic Acid reacts strongly to pH drifts and residual moisture.
End users tell us they count on our batches for challenging organometallic couplings and as chiral synthons, since downstream reactions depend on trace impurity minimization. In the broader market, some producers shortcut quality controls to speed up output, but we have experienced the setbacks this brings: lower product shelf-life, failed reactions in customer processes, and wasted time all around.
In practice, Tetronic Acid stands apart because it plays a unique role in forming pyranone scaffolds, widely used in new pharmaceutical candidates. Its reactive nature, especially the active methylene unit, supports several kinds of transformation—Michael additions, condensation, and cyclization—each with their own demands for high-purity feeder stocks.
One of our regular customers, focused on green crop protection products, shared a story where a minor contaminant in their input acid caused unexpected byproducts, driving up purification costs. Through a joint production audit, we tracked the culprit to off-brand Tetronic Acid sourced from a secondary vendor, with persistent UV-absorbing side fractions. Our internal lab matched the spectroscopic fingerprint and built tracking IDs for each lot. We now share this documentation with every shipment, empowering their QA team to block non-compliant intermediates before they enter the pilot reactor.
Over the years, we learned that researchers prefer to work with an acid that dissolves cleanly, in both protic and aprotic solvents, without ‘ghosting’ residuals. We control our salt and water content to less than 0.1% by Karl Fischer titration, documenting each moisture profile. Every month, our process chemists conduct trial runs in actual lab-scale reactions with pulled production samples, logging any deviations to maintain a steady feedback loop from application to source.
If you’ve ever tried synthesizing Tetronic Acid in-house, you probably know that the route from maleic anhydride or furfural often brings erratic yields and inconsistent quality. By pooling our decades of process data, we removed a number of these bottlenecks. We designed our system for fine control of condensation times and introduced in-line degassing that pulls dissolved gases prior to the ring-closure step, reducing the chance of batch-to-batch variation.
You can find plenty of Tetronic Acid vendors online, often with vague product information or missing data integrity checks. Our approach always starts with transparency. Each batch comes with a complete analytic suite: HPLC profiles, water-content logs, melting point ranges, and impurity maps. We’re not pushing powder across a spreadsheet—we manufacture, qualify, and test it right at our own forty-thousand-square-foot facility.
One key difference in our product comes from the hands-on adjustments made by experienced process supervisors. Newer producers sometimes overlook the acid’s sensitivity to exposure during the drying stage. We use a combination of inert-gas sweep ovens and automated tray lifting to reduce oxidation risk. This isn’t theoretical—the difference shows in the color and flow of the final product, with our material showing bright, uniform granules free from caking or hotspots.
Logistics also tests the mettle of a true manufacturer. Many so-called suppliers simply forward someone else’s stock, so they have no control when a transit delay or thermal excursion damages a batch. Because we produce and warehouse all material on-site, we guarantee prompt and protected shipping. Shipments travel in moisture-barrier, dual-sealed containers with full chain-of-custody records. These details matter, not only for compliance or resale value, but directly for lab throughput and reaction performance in the field.
Our acid has demonstrated stable reactivity across hundreds of published protocols. Medicinal chemists, scale-up teams, and agro-innovation firms all report greater reproducibility with our product than with alternatives sourced from repackagers. In my own early days running kilo experiments, I fought batch failures caused by inconsistent raw material specs. That practical frustration taught me: reliable outcomes start with honest, traceable production.
We keep things simple and transparent. Our standard model runs as a white to off-white crystalline powder, with purity regularly exceeding 99% HPLC, typically around 101–104°C melting point. We test saponification numbers on demand to meet specialty requests, especially for those developing new ester derivatives.
Particle sizing, too, matters more than most producers admit. Several downstream pharmaceutical customers rely on uniform blendability, so we invest in automated screening and ultrasonic deagglomeration technology. We flag and separate oversized or undersized fractions on every run. Ask any process chemist: oversize crystals can jump out of solution during critical transformations, throwing off stoichiometry. We keep this bottleneck from happening in the first place.
What drives these unique workflow choices? Feedback from decades of partnering with research managers, plant supervisors, and regulatory inspectors. We don’t silo off manufacturing from the end-user. Our R&D team regularly participates in customer pilot trials and field visits, turning industry feedback into workflow improvements.
We do not offer a broad portfolio of half-finished synthetics or rely on flash-in-the-pan seasonal stocks. Instead, we focus on depth rather than breadth—offering a single, meticulously controlled product line so we know every input and every checkpoint. Customers exploring derivative pathways, including Tetronic Acid chlorination and glycosylation, can access technical insights straight from our production notebooks.
Sometimes buyers compare Tetronic Acid to barbituric acid, uracil, or even malonic acid for reactive intermediate work. We have tried all these alternatives in our own pilot syntheses. In practice, Tetronic Acid provides distinctly different nucleophilicity and tautomeric balance. Barbituric acid, by contrast, sits in a more stable state, offering less control over condensation and ring formation in custom syntheses. Uracil, with its rigid pyrimidine core, simply does not provide the same flexibility or reactivity profile. Tetronic Acid’s open-chain potential sets it up for a much broader series of modifications—something we confirmed over dozens of customer co-development projects.
Synthetic chemists often ask about precursors. For some processes, furfural is a common building block, but direct substitution rarely provides the same outcome as with Tetronic Acid. We’ve reviewed published accounts and supplemented with our own side-by-side process runs: Tetronic Acid maintains better conversion rates and product purity for pyranone scaffold construction. It offers a clear advantage where downstream purification costs or yields drive the research budget.
Every producer bears responsibility for worker safety, regulatory tracking, and environmental impact. We do not skimp on fume extraction or safety protocols, because two decades on the floor taught us the cost of workplace shortcuts. All raw material handling runs in sealed, negative-pressure pods. Air samples are checked daily for fugitive emissions. Staff begin their day running through safety drills—not as an afterthought, but as a routine.
Disposal of Tetronic Acid byproducts poses significant challenges for some manufacturers. Our solution—integrated closed-loop wash systems—collects and neutralizes waste streams before release. Effluents pass through secondary organic-carbon scrubbers. Final discharge water regularly meets local environmental emission guidelines, a level we back up with certified assay reports available for customer review. We know some producers cut costs by offloading untreated rinse waste, yet this only amplifies regulatory risk and community impact. Commitment to sustainable production does not end at the loading dock.
Our sustainability team continues seeking ways to further reduce our sector’s carbon footprint. Onsite recovery of solvents, energy-saving batch reactors, and upstream engagement with green chemical suppliers all play a part. We don’t claim to have solved every issue yet, but our progress is measurable and ongoing.
Customers depend less on vague assurances and more on demonstrated reliability. Our support team tracks every order from synthesized batch to outgoing shipment, available for direct troubleshooting during customer process development. Our production managers stay accessible for questions about lot characterization, impurity tracing, or application-specific technical hurdles.
True partnership grows out of shared learning. We regularly host industry workshops and invite clients to our facility to watch the production floor in action. Regulatory inspectors comment on our documentation standards, and several process chemists now collaborate directly on research efforts, leveraging deeper insight into the properties and utility of Tetronic Acid. We don’t just fill orders—we help shape the methods and improvements that laboratories rely on in their daily work.
Experienced hands know that a product’s reputation depends less on marketing and more on the evidence it delivers. Tetronic Acid remains an example where transparency, integrated process control, and knowledge transfer shape market-leading performance every day. Every batch stands behind not only our technical standards but also the pride of a manufacturing team who understand the reality of work at the bench and in the field. This has kept us at the forefront of fine chemical manufacturing for years, serving researchers, process engineers, and innovators who share our commitment to quality and continual improvement.