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Mono-Methyl Glutarate

    • Product Name Mono-Methyl Glutarate
    • Alias Dimethyl Glutarate
    • Einecs 219-441-2
    • 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

    192813

    Chemical Name Mono-Methyl Glutarate
    Molecular Formula C6H10O4
    Molecular Weight 146.14 g/mol
    Appearance White to off-white crystalline powder
    Solubility In Water Soluble
    Melting Point 61-65°C
    Boiling Point Decomposes before boiling
    Purity Typically >98%
    Cas Number 638-16-4
    Storage Conditions Store in a cool, dry place
    Odor Odorless
    Ph Neutral (in aqueous solution)
    Density 1.28 g/cm³
    Synonyms Monomethyl glutarate; Glutaric acid monomethyl ester
    Stability Stable under recommended storage conditions

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

    Packing & Storage
    Packing Mono-Methyl Glutarate is securely packed in a 25 kg HDPE drum, featuring tamper-evident sealing and clear hazard labeling.
    Shipping Mono-Methyl Glutarate should be shipped in tightly sealed containers, protected from moisture and direct sunlight. It must be transported in compliance with local, national, and international regulations, ensuring proper labeling and handling. Avoid extreme temperatures and incompatible substances. Use appropriate protective packaging to prevent leaks, spills, or accidental exposure during transit.
    Storage Mono-Methyl Glutarate should be stored in a tightly closed container in a cool, dry, and well-ventilated area away from sources of ignition and incompatible materials such as strong oxidizers. Protect the chemical from moisture and direct sunlight. Ensure proper labeling and secure storage to prevent leaks or spills. Follow local regulations and safety guidelines for chemical storage.
    Application of Mono-Methyl Glutarate

    Applications of Mono-Methyl Glutarate in Industrial Manufacturing

    Mono-Methyl Glutarate finds steady demand across key industrial sectors, serving as a functional intermediate and performance additive. The following application scenarios reflect the downstream production environments where our material forms an essential building block, with details on compliance, formulation methods, manufacturing integration, and output specifications tailored to each industry.

    1. High-Performance Polyester Polyols for Polyurethane Systems

    As a diacid monomer alternative in specialty polyester polyol synthesis, Mono-Methyl Glutarate improves flexibility and hydrolytic resistance in polyurethane foams and elastomers for demanding environments. Polyurethane manufacturers select this raw material to fine-tune soft segment structure, targeting automotive interior, building insulation, and footwear markets, where polymer morphology directly impacts finished product lifespan and performance under variable conditions.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006
    • ISO 9001:2015 for Quality Management Systems
    • RoHS Directive 2011/65/EU for foam components in electronics
    • Automotive OEM specifications (e.g., VW TL 528/ABS 5214 for foam materials)

    Typical usage ratio

    • 5–18 wt% replacing glutaric acid or other dicarboxylic monomers; % varies by target molecular weight and flexibility in polyol recipes

    Downstream process integration

    • Added during batch polyesterification with glycols and co-acids; monitored by acid value titration and hydroxyl index adjustment prior to prepolymer formation or direct blending into one-shot polyurethane systems

    Final product types

    • Flexible and semi-rigid polyurethane foams for automotive seating and dashboards
    • Spray foams for thermal insulation panels
    • Polyurethane elastomer shoe soles and industrial rollers

    2. Synthesis of Aroma and Flavoring Esters in Food and Beverage Industry

    Flavor compound manufacturers incorporate Mono-Methyl Glutarate as a mild, stable building block for the controlled esterification of food-grade aroma components. This intermediate supports the synthesis of specialty esters that deliver fruity, buttery, or ripened taste signatures without introducing unwanted bitterness or off-notes, meeting strict purity protocols enforced by food authorities and beverage formulators worldwide.

    Industry compliance standards

    • FCC (Food Chemicals Codex)
    • EU Regulation (EC) No 1334/2008 on flavorings
    • US FDA 21 CFR 172.515 (Food Flavoring Substances Generally Recognized As Safe/G.R.A.S.)
    • ISO 22000:2018 Food Safety Management

    Typical usage ratio

    • 0.2–2.5% by weight, calculated on finished ester content; precise proportion determined by targeted molecular weight of specialty ester and mandated residual limits for unreacted precursors

    Downstream process integration

    • Charged with alcohol reactant and food-grade catalyst under vacuum or inert gas in batch or continuous reactors; monitored by GC/MS for purity and compliance with flavoring regulations prior to blending or direct application

    Final product types

    • Banana, apple, and pineapple flavoring esters for candy, bakery, and beverage use
    • Buttery-note esters for spreads and margarine
    • Savory/smoke flavor enhancers for snacks

    3. API Intermediate Production in Pharmaceutical Synthesis

    Pharmaceutical API manufacturers use Mono-Methyl Glutarate in multi-step syntheses of active intermediates or as a protecting group for carboxyl functions during the construction of complex small molecules. Its controlled reactivity and low toxicity support reliable scale-up, and strict impurity control protocols align with global pharmacopoeial guidelines for process validation and eventual registration filings.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for Active Pharmaceutical Ingredients
    • USP/NF (United States Pharmacopeia/National Formulary)
    • EP (European Pharmacopoeia)
    • Chinese Pharmacopoeia (ChP)

    Typical usage ratio

    • Varies from 3–12 mol% per reaction stage as a carboxylic acid or ester source; quantity strictly controlled according to registered process description and target impurity profile

    Downstream process integration

    • Fed at defined reaction step—often amidation, cyclization, or ester hydrolysis—monitored using HPLC for residual starting material; solvent selection and reaction temperature based on downstream API isolation and purification constraints

    Final product types

    • Key intermediates for CNS-active drugs
    • Precursors of cardiovascular agents
    • Protected carboxylic acid segments in custom synthesis for pharma R&D pipelines

    4. Specialty Solvent Additive in Waterborne Coatings

    Waterborne coatings manufacturers select Mono-Methyl Glutarate as a biodegradable co-solvent and coalescence aid to enhance film formation and leveling in low-VOC acrylic and alkyd formulations. Its measured volatility and chemical stability help formulators bridge polymer particle fusion during drying, reducing defects on metal and engineered wood surfaces commonly used in automotive, appliance, and industrial equipment finishing lines.

    Industry compliance standards

    • US EPA TSCA (Toxic Substances Control Act) compliance
    • EU CLP Regulation (EC) No 1272/2008
    • ISO 12944-6:2018 Performance Requirements for Protective Paint Systems
    • SCAQMD Rule 1113 (Southern California VOC limits for architectural coatings)

    Typical usage ratio

    • 1.5–6.0 wt% based on emulsion solids; lower end for high-gloss systems, upper end for high-build primers and water-based enamels

    Downstream process integration

    • Added post-emulsification, during pigment dispersion or let-down phase; supports film coalescence and defect control prior to packaging; QC monitored by gloss retention, block resistance, and drying rate

    Final product types

    • Automotive topcoats and primers
    • Industrial maintenance coatings for steel structures
    • Consumer wood lacquers and interior latex wall paints

    5. Biodegradable Plasticizers for Thermoplastic Processing

    Plastic compounders and masterbatch producers introduce Mono-Methyl Glutarate as a biodegradable plasticizer in polyvinyl alcohol (PVA) and thermoplastic starch blends to impart flexibility and improve processability for single-use or compostable applications. These operations focus on food packaging, mulch films, and personal care goods, where regulatory pressure drives the replacement of phthalate and citrate-based systems with safer, greener additives.

    Industry compliance standards

    • EU Regulation (EC) No 10/2011 on plastic materials and articles intended to come into contact with food
    • US FDA 21 CFR 177.1670 (Polyvinyl Alcohol Films)
    • EN 13432:2000 Requirements for packaging recoverable through composting
    • BPI Compostable Certification for plastics

    Typical usage ratio

    • 8–18 phr (parts per hundred resin), with loading adjusted for film gauge, flexibility target, and desired compost degradation rate

    Downstream process integration

    • Direct-blended during masterbatch melt mixing or dry compounding prior to extrusion or blown film processing; monitored by dynamic mechanical analysis (DMA) and plasticizer migration testing

    Final product types

    • Water-soluble detergent pods and laundry sheets
    • Biodegradable food wrapping films
    • Compostable mulch films for agriculture
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    Certification & Compliance
    More Introduction

    Mono-Methyl Glutarate: Experience from the Ground Up

    Our Experience and Responsibility Bringing Mono-Methyl Glutarate to Market

    Mono-Methyl Glutarate isn’t a chemical that garners headlines, but those in manufacturing circles know its value. Having produced this compound for over a decade, we’ve seen how it quietly powers reactions in fields ranging from pharmaceuticals to fine chemicals. Reliability, consistency, and transparency aren’t optional luxuries for us — these qualities earn the trust of our partners and customers. We face the clear challenge of keeping purity standards high, specifications transparent, and prices reasonable, even as the market shifts or supply lines tighten. Our lab teams don’t view these demands as obstacles, but as part of the daily routine. Chemists, quality control analysts, and plant operators bring experience to every batch. This page shares our perspective as a manufacturer, laying out the model, specifications, and real-world uses for Mono-Methyl Glutarate, while drawing from the lessons and practical stories we've collected.

    Specifications: How We Define and Control Quality

    Mono-Methyl Glutarate in our plant flows through tight process controls. Each batch targets a purity upwards of 99%, moisture below 0.5%, and minimal residual solvents. Our main model carries the identifier MMG-187. Buyers often ask what sets one producer apart from another. In our experience, small deviations in melting point or residual acidity can complicate downstream processing for formulators, especially in sensitive reactions. We don’t just list purity figures — every lot includes printed chromatograms and residual impurity profiles. Independent audits and internal cross-checks keep us honest. Testing equipment grows more sophisticated every year, but we don’t discard time-tested floor checks: color, smell, flow properties. In most industries, trusting a spec sheet without sampling the actual product ends up costing money and time. We encourage customers to pull samples and test our batches against their requirements. For us, traceability stands top priority. If an issue emerges, we trace it from the first raw material tank to the finished drum, using a system our team built themselves. This reduces confusion, blame, and finger-pointing.

    Raw Material Sourcing and Traceability

    Raw material matters as much as any process tweak. Our supply team once faced a sudden change in supplier, when a long-standing source altered the labeling and shipping sequences on the alpha-ketoglutarate we use upstream. Minor? Not for us—over two months, we logged a 0.4% increase in base-line impurities in finished batches. Chemical processes can hide subtle issues for weeks if one piece in the supply chain slips. We adjusted our storage and blending steps, drew more frequent retention samples, and worked with the supplier to restore original routines. This episode taught our production team how easy it is for a single link to cause a cascade.

    What Makes Mono-Methyl Glutarate Unique

    The features of Mono-Methyl Glutarate often appear subtle compared to more reactive esters, but this same stability lends strength in application. Its carboxylic ester group resists hydrolysis until subjected to deliberate lab conditions—a property vital for pharmaceutical syntheses that demand reagents stay dormant until the right moment. Mixing this compound with more labile methyl esters brings differences into focus. Mono-Methyl Glutarate doesn’t volatilize at low temperatures as some do. In hands-on experience, operators note fewer odors, lower off-gassing during warm-up, and less unwanted polymerization. Workers in the facility appreciate its relatively mild handling requirements. Accidents remain rare, but our annual safety review does not ignore the small risk of eye and skin irritation; training includes lessons drawn from real near-misses.

    Applications: More Than an Ingredient

    Mono-Methyl Glutarate serves as a building block or intermediate across diverse industries. In pharmaceutical synthesis, it acts as a protected acid group, participating in multi-step reactions where premature deprotection causes expensive losses. We field questions from R&D teams on this point every quarter — it’s not simply a matter of swapping Mono-Methyl Glutarate with another ester. Small shifts in reactivity cascade through multi-stage syntheses. We’ve seen some partners cut steps off total reaction times and increase yield by re-optimizing intermediate purifications when they switched to our material. In polymer production, Mono-Methyl Glutarate assists in controlling chain length and branching. Quality managers from our customers share data showing improvements in batch-to-batch consistency when matched with our narrow spec material. In flavors and fragrances, this ester can lend gentle, unwritten aroma notes, always masked in the final blend but noted by skilled noses during QA panels.

    Real Stories from Production and Pilot Batches

    Production doesn’t always run on rails. Several years back, our factory scheduled two pilot runs to fill a standing order for a specialty pharmaceutical customer. Batch one crystallized beautifully — matching our internal standard. Batch two, processed on a humid day after unexpected rainfall, showed slightly lower melting point and an off-white tint. We traced this shift to a minute leak in the drying section that allowed residual water vapor into the system. The change went undetected by routine spectrophotometry but showed clearly during scale-up. As a result, an in-house protocol was added: manual inspection and melt-point checks after every shift following heavy weather. The affected customer received a thorough report, and subsequent batches showed no recurrence. By naming incidents openly, we prove to customers and regulators that we see quality as a living goal, not just a number.

    Comparison with Other Products

    Customers often compare Mono-Methyl Glutarate to related esters, questioning if small savings justify a jump to a competing compound. We do not shy from such discussions. Methyl succinate and dimethyl glutarate sit close in reactivity, but Mono-Methyl Glutarate shows a steadier hydrolysis profile and slightly higher boiling point. Chemists looking for a longer-living protecting group reach for Mono-Methyl Glutarate, avoiding process headaches where stray acid catalyses would otherwise eat into yield. In conversations with product formulation experts, the biggest question centers on downstream implications: Does a switch yield the same purity through all steps? Customers usually settle on a compound after running side-by-side pilot tests, and our technical team supports these studies — sending out trial quantities with full analytical trace files.

    Reliability is Built, Not Assumed

    Reliability forms the foundation of our work. We’ve learned that paper specifications rarely capture the real, dusty, solvent-pungent reality of plant production. Each member of our team knows how variations start small—a little extra water, a slow heating ramp—before they snowball into batch deviations. Experience comes from watching, documenting, and acting on countless hours of line work. Our company documents each deviation, investigates fully, and never hides learnings, whether dealing with regulators, customers, or colleagues. This ethos keeps us honest.

    Sustainability and Waste Management

    Handling Mono-Methyl Glutarate means considering everything from feedstock selection to waste reclamation. Our industry still generates solvent-heavy effluent streams, a reality we can’t ignore. Over the last five years, we’ve analyzed our waste output, installing inline separation and recovery stages that collect methanol fractions for re-distillation and reuse. Early on, this seemed costly compared to simply contracting out waste, but solvent recycling directly lowered both disposal costs and regulatory risks. Air monitoring systems check for fugitive emissions. Occasionally, we spot process leaks faster than an onlooker by scent. The maintenance crew keeps logbooks of all leaks, and every repair feeds back into maintenance scheduling.

    Supporting Innovation in Application Development

    Chemical manufacturing proves most valuable when partnered with forward-looking customers. Our commercial team spends time working with formulation chemists, process engineers, and tech transfer groups. Together, we’ve navigated reformulation challenges, adapting Mono-Methyl Glutarate to emerging routes for pharmaceutical API production. Start-ups sometimes worry about shifting their entire process to a new source of intermediate; we’ve eased these transitions by offering plant trial quantities, extended stability data, and rapid-response technical support. Early engagement with customers enables both sides to minimize surprises, whether it’s minor impurities emerging during scale-up or subtle changes to reaction kinetics.

    Transparency and the Regulatory Landscape

    Regulatory demands shape everything we do. We adhere to established documentation practices, covering every step from raw material testing to shipping records. Inspectors review batch records in detail. Our staff trains extensively in documentation accuracy and error reporting. European and North American agencies both require strict adherence to reporting timelines. We maintain batch archival periods exceeding legal minimums, with quarterly drills to retrieve any lot on short notice. Customers, whether large pharma or newer entrants, see first-hand how rigorous documentation builds confidence through audits and product launches.

    Challenges Facing the Industry and Our Responses

    Mono-Methyl Glutarate faces its own hurdles within the specialty chemicals market. Global supply chain crunches and rising raw material costs put pressure on margins and delivery schedules. Several years ago, one of our key suppliers experienced extended downtime due to a regional power shortage. Transparent communication with affected customers helped all parties plan production runs around delays. Contingency planning paid dividends. Today, we keep months of input materials on hand and maintain alternate supplier certification. Our experience demonstrates that risk management should not stay theoretical — preparing for the unexpected remains part of everyday business.

    Value Beyond Specifications

    Anyone can provide a PDF spec sheet and a drum of chemical. The difference comes from the consistency between batches, direct access to technical expertise, and a willingness to resolve issues collaboratively. Over dozens of partner meetings and plant visits, we’ve learned where small changes in Mono-Methyl Glutarate impact real processes — never assuming that textbook answers translate seamlessly to every customer’s reactors or blending tanks. Our team keeps lines open for troubleshooting, running parallel analyses to solve issues faster. This hands-on approach has built a loyal customer base that values open dialogue as much as high-grade product.

    Looking Toward the Future

    Our daily work evolves. Automation now touches reactor controls, batch ticketing, and environmental monitoring. We don’t view new technology as a threat to jobs, but as a tool that frees staff to focus more on observation, adjustment, and collaborative problem-solving. Mono-Methyl Glutarate may not carry the glamour of bulk commodities, but its role remains secure among industries valuing precision, safety, and dependability over boastful brochures. We commit to building excellence year by year toward better product, safer work, and a cleaner environment.

    Final Thoughts as a Manufacturer

    Mono-Methyl Glutarate puts every aspect of a manufacturing operation under the microscope — not because the chemical demands headlines, but because customers do. Trust rests on decades of hard-won habits: noting small details, solving problems promptly, and never losing sight of traceability. Our work with this compound shows that careful control and open communication reap dividends far beyond the plant gates. As the field advances, we hold ourselves to the same standard we’ve expected from suppliers all along — give straight answers, back up data with proof, and stand ready to support partners, whether for the first drum or their hundredth shipment. That’s our promise, shaped by years on the plant floor and reinforced by every successful batch.