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4,5-Dimethyl-2-Furoic Acid

    • Product Name 4,5-Dimethyl-2-Furoic Acid
    • Alias DMFA
    • Einecs 221-568-8
    • 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

    911838

    Name 4,5-Dimethyl-2-Furoic Acid
    Cas Number 527-66-2
    Molecular Formula C7H8O3
    Molecular Weight 140.14 g/mol
    Appearance White to light yellow crystalline powder
    Melting Point 107-110°C
    Solubility In Water Slightly soluble
    Density 1.23 g/cm³ (approximate)
    Smiles CC1=COC(=C1C)C(=O)O
    Inchi InChI=1S/C7H8O3/c1-4-3-10-5(2)6(4)7(8)9/h3H,1-2H3,(H,8,9)
    Pka 4.10 (estimated)
    Storage Temperature Store at room temperature

    As an accredited 4,5-Dimethyl-2-Furoic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 100g of 4,5-Dimethyl-2-Furoic Acid is supplied in a sealed amber glass bottle with a secure screw cap and safety labeling.
    Shipping 4,5-Dimethyl-2-Furoic Acid is shipped in tightly sealed containers, protected from light and moisture. It should be stored in a cool, dry place and handled in accordance with all local and international chemical shipping regulations. Appropriate hazard labelling and documentation must accompany the package to ensure safe transportation and handling.
    Storage 4,5-Dimethyl-2-furoic acid should be stored in a tightly sealed container, in a cool, dry, well-ventilated area away from moisture, heat sources, and incompatible substances such as strong oxidizers and bases. Protect from direct sunlight. Properly label the container, and keep it away from food and drink. Use secondary containment to prevent spills and ensure compliance with local chemical storage regulations.
    Application of 4,5-Dimethyl-2-Furoic Acid

    Applications of 4,5-Dimethyl-2-Furoic Acid in Industrial Manufacturing

    As a manufacturer with extensive experience in the production and quality assurance of furan carboxylic acid derivatives, we supply 4,5-Dimethyl-2-Furoic Acid for downstream sectors that demand reliable sourcing and technical consistency. This compound offers functional value in synthesis-driven industrial workflows due to its chemical stability and reactivity profiles. Below, we detail authentic application scenarios widely adopted by downstream producers in specialized markets.

    1. Pharmaceutical Intermediate for Antiviral APIs

    4,5-Dimethyl-2-Furoic Acid is routinely used as a synthetic intermediate in the multi-step synthesis of modern antiviral active pharmaceutical ingredients (APIs), particularly substituted pyrimidines and related heterocycles. Its electron-rich furan ring structure supports regioselective condensation and transformation, essential for forming core structures in certain non-nucleoside analogs. Purity and process traceability remain critical for this application, aligning closely with pharmaceutical regulatory expectations and trace element control.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP/NF and Ph. Eur. monographs for related intermediates
    • FDA cGMP part 210/211 (for drug substance manufacturing)

    Typical usage ratio

    • Ranges from 0.8 to 1.2 molar equivalents relative to primary amines or amidines in target synthesis; stoichiometry adjusted per route stage and recycling protocols.

    Downstream process integration

    • Reactant introduced during early-phase batch or semi-continuous condensation, followed by purification prior to subsequent heterocycle ring closure or substitution steps.

    Final product types

    • Active pharmaceutical ingredients for hepatitis B/C antivirals
    • Advanced pharmaceutical intermediates for synthetic drug research

    2. Specialty Food Packaging Resin Modifier

    Many food packaging resin producers utilize 4,5-Dimethyl-2-Furoic Acid as a functional monomer modifier to enhance the oxygen barrier capacity of polyester-based films. Its furanic structure imparts increased resistance to oxygen permeation, supporting the preservation of aroma and nutritional profile in packaged foods. Compliance hinges on alignment with food contact substance guidelines and migration limits under intended use.

    Industry compliance standards

    • FDA 21 CFR 177.1630 (Polyethylene Phthalate Polymers, U.S.)
    • EU Regulation No 10/2011 (Plastic Materials and Articles for Food Contact)
    • GB 4806.7-2016 (China National Food Safety Standard for food contact resin materials)

    Typical usage ratio

    • Commonly 0.3% to 1.0% by weight in resin feedstock based on required barrier property improvements; precise loading is validated through accelerated shelf-life testing and migration studies.

    Downstream process integration

    • Direct addition to melt polymerization reactors during the copolymerization of terephthalic acid and ethylene glycol, immediately prior to polycondensation and extrusion.

    Final product types

    • High-barrier multilayer PET bottles
    • Flexible food-grade film packaging laminates

    3. Performance Coatings for Electronic Components

    Electronic component coatings benefit from incorporating 4,5-Dimethyl-2-Furoic Acid as a chain-capping agent or reactive diluent in polyimide and other high-performance resin formulations. The compound’s aromatic character and methyl group substitution confer improved dielectric stability and resistance to environmental degradation under thermal cycling, both key for high-reliability electronic applications. Strict adherence to electronics raw material standards and manufacturing purity is mandatory.

    Industry compliance standards

    • IPC-4101 (Base Materials for Rigid and Multilayer Printed Boards)
    • RoHS 3 Directive 2015/863/EU (Restriction of Hazardous Substances)
    • IEC 61249-2 (Materials for Printed Boards and Other Interconnecting Structures)

    Typical usage ratio

    • Usually 0.5–2 phr (parts per hundred resin) in custom polyimide formulations; adjusted according to thermal cycling and dielectric testing requirements.

    Downstream process integration

    • Added during the imidization or esterification stage in polyimide prepolymer synthesis, allowing final viscosity and film-forming calibration prior to coating or lamination.

    Final product types

    • Protective coatings for flexible printed circuit boards
    • High-frequency chip encapsulations
    • Low-outgassing conformal coatings for mission-critical electronics

    4. Agrochemical Active Ingredient Synthesis

    Crop protection formulation manufacturers deploy 4,5-Dimethyl-2-Furoic Acid in constructing furan-based building blocks for selective fungicidal and herbicidal actives. Its predictable reactivity allows high-yield condensation with halogenated intermediates, enabling scalable processes with minimal by-product generation. Process adherence to agrochemical industry norms and environmental residue controls underpin safe and compliant agrochemical production.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • EU Regulation (EC) No 1107/2009 (Plant Protection Product Authorization)
    • EPA 40 CFR 180 (Tolerances for Pesticide Chemicals in Food; United States)

    Typical usage ratio

    • Normally 1.0–1.7 molar equivalents per key condensation or heterocycle construction step; stoichiometry may vary based on target molecule and impurity control steps.

    Downstream process integration

    • Employed during the core active synthesis in batch or continuous reactors prior to introduction of halogenated amines or aldehydes; isolated intermediates then proceed to formulation or microencapsulation.

    Final product types

    • Systemic fungicides for horticulture and field crops
    • Pre-emergent selective herbicides

    5. Polymer Crosslinking Agent in Biodegradable Plastics

    Manufacturers of next-generation biodegradable plastics use 4,5-Dimethyl-2-Furoic Acid as a crosslinking co-monomer to improve mechanical strength and hydrolytic stability in furan-based polyesters and polyurethanes. The dual methyl substitution enables a tailored, partial branching that does not hinder downstream compostability, permitting compliance with food contact and environmental safety standards specified by global regulatory bodies.

    Industry compliance standards

    • EN 13432 (Compostability of packaging materials within the EU)
    • ASTM D6400 (Standard Specification for Compostable Plastics)
    • FDA 21 CFR 177.2600 (Rubber Articles for Repeated Use, for indirect food contact)

    Typical usage ratio

    • Between 0.5% and 2.5% by total polymer mass, adjusted according to the required crosslink density and desired degradation timeline determined by application assays.

    Downstream process integration

    • Incorporated into main polycondensation reactors during the formation of biodegradable polyesters or prepolymer solution prior to polyurethane curing and extrusion into films or molded articles.

    Final product types

    • Compostable shopping bags
    • Biodegradable agricultural mulch films
    • Single-use catering ware with food contact approval
    Free Quote

    Competitive 4,5-Dimethyl-2-Furoic Acid prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Introducing 4,5-Dimethyl-2-Furoic Acid: A Closer Look at Our Specialty Product

    Proudly Manufactured from the Core

    Our daily work with furan compounds brings a steady focus to the quality and consistency required throughout the entire production line. 4,5-Dimethyl-2-Furoic Acid stands apart in our catalog. We’ve spent years refining our process—from careful sourcing of raw plant-derived sugars, right through to the unique oxidation step—ensuring a consistently pure and reliable output. Batch records show well-aligned analytical results and a robust, transparent supply trail, grounded in the best of our manufacturing discipline.

    Core Features You Can Rely On

    Every 4,5-Dimethyl-2-Furoic Acid batch we dispatch matches strict standards. The fine off-white crystalline powder runs to a molecular weight of 140.14. Each shipment meets or exceeds 99.5% HPLC purity. Water content and heavy metals sit below internationally-accepted limits, and we catch every off-spec batch in quality control. We keep typical bulk density and particle size within precise targets, supporting formula consistency for downstream users in specialty chemicals and pharmaceutical intermediates.

    How 4,5-Dimethyl-2-Furoic Acid Matters to the Lab and Plant Floor

    Time and again, our clients call out the flexibility of this compound. 4,5-Dimethyl-2-Furoic Acid shows up in research as a valuable building block—this methylated furoic acid supports a wide range of synthetic pathways. Our partners working in medicinal chemistry favor its clean reactivity, forming furan rings or extending aromatic frameworks, where other furoic acids can’t match substitution or yield. Some groups pursue novel anti-inflammatory candidates, exploiting the methyl groups for selective biochemistry. Others work in agrochemical design or fine chemical synthesis.

    The world outside the lab also has uses for this molecule. Several fragrance and flavor producers build on it as a specialty intermediate, due to the unique aromatic structure. Specific polymer projects draw on its stability, with the ring system and carboxylic group supporting rigidity or new chaining strategies in bio-based plastics.

    Standing Out from Other Furoic Acids

    Many years in the plant have taught us: the difference is always in the details. 4,5-Dimethyl-2-Furoic Acid earns its reputation with a unique structure. The methyl groups at the 4 and 5 positions don’t simply change the melting point or solubility profile—they re-shape how the molecule interacts at the reaction bench. Standard 2-furoic acid gives chemists familiar reactivity, but it can’t support the same regioselective reactions or steric demands in specialty furan chemistry.

    Customers developing proprietary routes have confirmed that standard 2-furoic or 5-methyl-2-furoic analogs fall short when the target end-product calls for that dual-methyl substitution. These groups sometimes run comparative screens on catalyst or coupling conditions, only to find that our product allows for improved yields and process efficiency, as steric interactions in the transition state can be finely tuned. For process scale-up, avoiding unreactive by-products keeps costs in check—a lesson learned in our own pilot plant during a recent solvent optimization campaign.

    Addressing Quality Concerns and Batch Consistency

    In manufacturing, consistency builds trust—end of story. We control incoming feedstock sources to avoid seasonal variation in furfural quality, a known pitfall for non-integrated suppliers. Every operator on the line follows fixed points for temperature, oxidant, and solvent ratios. Downstream filtering and purification steps cut out residual off-notes, heavy metals, and minor furan contaminants that plague less controlled sites.

    Our records show that in-house spectroscopic and chromatographic screens at both in-process and final-release points have kept rejection rates below 0.5% since the first quarter of last year. This attention to quality translates directly to customer success: controlled impurity profiles give higher downstream yield, fewer side-product issues, and smoother regulatory submissions, where relevant.

    Closer to the Source: Why Manufacturer Traceability Counts

    We frequently hear about end-users caught out by hidden supply chains, especially when resellers cannot answer tough technical or process questions. As the actual manufacturer, we keep full traceability—right down to the batch, shift, and material lot. Any time a problem arises, whether in color variation or microcontamination, our process engineers take direct responsibility for root cause analysis. This direct feedback loop shortens downtime for our customers and helps us find incremental improvements.

    A case in point: one client raised a concern over trace sulfur in a batch destined for a complex ligand synthesis. Our technical support team worked through analytic records with them, isolated the solvent system as the source, and replaced it in the next production run. That partnership mind-set only stems from hands-on process knowledge—a vital difference from distant traders or warehouse redistributors.

    Shelf-Life, Storage, and Handling: Manufacturer Suggestions

    We know warehouse conditions are far from ideal, especially where humidity and heat creep above lab scales. For best results, this furoic acid likes cool, dry storage, out of direct sunlight, with the lid tightly sealed after sampling. In practice, this slows down clumping or hydrolysis seen in exposed bins. We recommend mild desiccants over aggressive drying, as prolonged exposure to high heat or vacuum can drive microcolor shifts over several months.

    Handling is uncomplicated for teams experienced in carboxylic acids. Gloves and standard goggles suffice, while regular local extraction allows safe weighing and transfer. The dust is mildly irritating but not highly volatile; vacuum transfer has worked for several bulk users looking to reduce airborne particulates on the shop floor.

    Environmental Management and Compliance: Our Practical Lessons

    Sustainability is always in focus. We source our furfural base from renewable agricultural residues, never unreplenished timber or fossil routes. Our closed-loop oxidation process reduces chemical waste, and all process water undergoes on-site biological treatment. Downtime for compliance upgrades happens only out of absolute necessity, but avoiding legal or ethical missteps just makes practical sense. Regular third-party audits help us audit waste residuals, stack emissions, and effluent COD levels.

    Customers committing to green chemistry targets often press us for Life Cycle Analyses or carbon footprint data. We provide direct disclosures—no vague summaries. Having that primary data helps both parties demonstrate compliance against increasingly strict local or regional regulations, and simplifies ingredient registrations and safety dossier filings for downstream products.

    Pushing Technical Boundaries: Supporting Innovation

    Every technical inquiry from a customer is a chance to share our accumulated bench knowledge. Several years back a major synthesis group struggled with low-yield coupling when using a lower-purity furoic analog from another plant. We discussed their process, offered custom-milled 4,5-Dimethyl-2-Furoic Acid with target particle sizes, and helped unlock smoother reaction profiles. Success in those cases comes from deep understanding of how impurities or polymorphic forms play into scale-up risk, rather than just following textbook theory.

    The team has also supported trial orders where customers requested ultra-low metal levels, especially for electronics precursors or sensitive pharmaceutical routes. Our head of QC re-examined our filter system and swapped out metal-contact components on the high-purity line, driving down residual sodium and iron to well below detection limits. This sort of targeted process change only flows from hands-on, daily engagement with the product and full control over equipment and cleanup cycles.

    Economics and Supply Reliability—Lessons from Disruption

    One of the biggest headaches for any downstream user remains price shocks or shipment delays when supply chains stretch too thin. We’ve seen the impact of global crises—from sudden increases in freight rates to logistics bottlenecks and changes in customs rules. As the manufacturer, we hold stock at several regional hubs, and our teams keep a close eye on real demand signals. Forecasting works better from the plant floor level, not off remote market reports.

    During last year’s regional shipping crunch, several long-term buyers thanked us for maintaining on-time deliveries, even as competitors’ shipments stalled weeks at port. We learned to keep two levels of strategic raw material stockpiles and to lock in vessel slots months ahead for critical international shipments. Buffer stock sounds simple, but in practice, that’s an edge that comes only from seeing firsthand the cost of missed production windows.

    Safety in Practice: Plant Experience Speaks Louder

    Many across the sector talk about chemical safety in broad terms, but reality lives in detail. Our operators undergo recurrent, hands-on training with updated process maps and simulated incident drills. We maintain clear lines for emergency shutdown and invest in robust dust filtration to keep the work environment clean. Safety records depend not on paperwork, but on a culture of open observation: any shift worker can call a stop for unsafe conditions without blame or delay.

    In the past, lessons have come hard and fast. A small solvent spill in the blending bay led us to upgrade local containment and switch to higher-level alarm systems. Improvements are ongoing, guided by root-cause reviews and a visible commitment from management down to technical cleaning staff.

    Process Improvements and Efficiency Gains: Continuous Learning

    We’ve watched customer requirements evolve: smaller lot sizes for research, higher purity for regulatory filings, powder modifications for automated dosing, new documentation standards for audits. Recent investments in process analytic tools—NIR, real-time particle monitors—let our teams make tighter adjustments and cut batch rework rates. Adding in-line dryers and more precise temperature control keeps product appearance and reactivity at expected levels, cutting down caking and extending stable shelf-life.

    Feedback loops with R&D partners drive most of our best innovations. A new catalytic step cut waste by 15% last year, after we piloted operating data with two of our oldest customers. That sort of incremental gain is the fruit of hands-on, long-standing manufacturer relationships—not just generic process improvements.

    Comparison to Related Furoic Compounds—Practical Considerations

    Lab work supports the differences between isomeric and mono-methyl versions of furoic acid. 2-Furoic Acid and 5-Methyl-2-Furoic Acid, while structurally similar, diverge greatly in downstream application value. Those running peptide conjugates, prodrug syntheses, or advanced materials research often test all three options; our records show consistent preference for the dual-methyl version whenever steric shielding or regioselective activation is key to lowering side reactions.

    We have supplied samples of all types and have direct reports of yield and selectivity differences. Each synthetic route claims its own nuances, but the custom process runs—those optimizing every variable, from catalyst to solvent—usually gravitate back to the 4,5-dimethyl product during scale-up.

    Supporting Document and Data Needs: From Manufacturer Direct

    Clients often seek certificates of analysis and technical datasheets. Our documentation covers each batch, detailing analytic and process records, because direct access to this information is the only route to real transparency in sensitive syntheses or regulatory filings. This hands-on documentation matches what we observe and test, not what secondary suppliers might piece together after the fact.

    For those with unique specification or paperwork requests, we adjust our reporting, supporting downstream product registrations and technical submissions with original data from our own testing, not re-labeled sources or extrapolated figures.

    Closing Thoughts: The Value of Manufacturer Experience

    4,5-Dimethyl-2-Furoic Acid sits at the center of many of our operations, representing the trust our partners place in direct manufacturing. Challenges do come: supply chain upsets, evolving regulatory rules, new application pathways. Every day at the plant brings new lessons. Hands-on familiarity with synthesis, handling, troubleshooting, and customer partnership keeps our process reliable and our standards high. Delivering on specification, lot after lot, stands as our core promise.

    We welcome those who value source-level accountability, proven technical knowledge, and genuine partnership. Long-term results stem from that foundation—for research, scale-up, or full production.