|
HS Code |
747628 |
| Chemical Name | Methylal |
| Iupac Name | Dimethoxymethane |
| Cas Number | 109-87-5 |
| Molecular Formula | C3H8O2 |
| Molar Mass | 76.09 g/mol |
| Appearance | Colorless liquid |
| Odor | Ethereal, pleasant |
| Boiling Point Celsius | 42 °C |
| Melting Point Celsius | -97 °C |
| Density G Per Cm3 | 0.823 |
| Solubility In Water | Miscible |
| Flash Point Celsius | -1 °C |
| Refractive Index | 1.352 |
As an accredited Methylal factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Methylal is typically packaged in a 200-liter blue HDPE drum, clearly labeled with hazard symbols and product identification details. |
| Container Loading (20′ FCL) | Methylal is loaded into a 20′ FCL drum, 16 metric tons per container, safely sealed to prevent leakage and contamination. |
| Shipping | Methylal (Dimethoxymethane) should be shipped in tightly sealed containers, protected from heat, sparks, and open flames, as it is highly flammable. Label containers with appropriate hazard warnings. Transport according to local, national, and international regulations for flammable liquids, typically as UN 1230, Class 3, Packing Group II. Use proper personal protective equipment. |
| Storage | Methylal should be stored in a cool, well-ventilated area away from sources of ignition, heat, and direct sunlight. Keep containers tightly closed and properly labeled. Store away from oxidizing agents, acids, and moisture. Use approved containers, and ensure proper grounding to prevent static discharge. Always follow relevant local, state, and federal regulations for the safe storage of flammable liquids. |
| Shelf Life | Methylal typically has a shelf life of 12-24 months when stored in tightly sealed containers under cool, dry, and well-ventilated conditions. |
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Purity 99.5%: Methylal with a purity of 99.5% is used in pharmaceutical intermediate synthesis, where it ensures high product yield and low by-product formation. Boiling Point 42°C: Methylal with a boiling point of 42°C is used in quick-drying coatings, where it provides rapid solvent evaporation and smooth surface finish. Low Viscosity Grade: Methylal with low viscosity grade is used in specialty ink formulations, where it enhances pigment dispersion and print resolution. Water Solubility 19g/100ml: Methylal with water solubility of 19g/100ml is used in cleaning agent blends, where it improves solvency and cleaning efficiency. Stability Temperature up to 60°C: Methylal with stability temperature up to 60°C is used in heat-sensitive resin processing, where it prevents thermal degradation during production. Molecular Weight 76.09 g/mol: Methylal with molecular weight of 76.09 g/mol is used in polyurethane foam production, where it acts as a blowing agent and controls pore structure. Refractive Index 1.345: Methylal with refractive index of 1.345 is used in optical adhesive formulations, where it contributes to clarity and minimizes light distortion. Flash Point -3°C: Methylal with flash point of -3°C is used in aerosol formulations, where it enables fast vaporization and controlled delivery. Density 0.823 g/cm³: Methylal with a density of 0.823 g/cm³ is used in fuel additive applications, where it ensures uniform blending and improved combustion characteristics. Acidity <0.01%: Methylal with acidity less than 0.01% is used in electronic cleaning fluids, where it reduces corrosion risk and maintains component integrity. |
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Working daily with Methylal sheds light on why this compound has become a cornerstone in many of today’s chemical processes. As a team rooted in factory floors and R&D benches, our focus has always been straightforward: deliver performance and consistency to industries that demand nothing less. Methylal, or dimethoxymethane, answers those demands—not through marketing slogans, but through tangible reliability and flexibility across applications.
You’ll often hear people describe solvents and intermediates using textbook properties. Those descriptions hardly touch on the reality of handling barrel after barrel, or tuning reactors to suit complex syntheses. In hands-on manufacture and quality assurance, Methylal consistently stands out for its stability, purity, and adaptability. We’ve pushed the distillation units, tested various raw materials, monitored batch quality, and developed a model—Methylal-995—that minimizes water, formaldehyde, and acid content, no matter the demand cycle or scale. With a chemical formula of C3H8O2 and a molecular weight of 76.09, every drum and tanker that leaves our site comes with a certificate you can verify by instrument, not just on paper.
Emerging from hundreds of production runs, feedback from downstream users, and rigorous internal standards, we settled on one dominant product: Methylal with assay over 99.5%. Achieving this benchmark required investing in improved distillation, sealed transfer lines, and batch records that tie back every container to its source. Working with colleagues in QA and logistics, we long ago moved beyond minimum specs. We run GC analyses on every tank, check moisture with Karl Fischer titration, and confirm distillation range—so every shipment fits tightly within 97°C to 98°C when measured under atmospheric pressure.
Low water content matters—especially when customers use Methylal in pharmaceuticals, electronics, or other high-purity contexts. That’s why our Methylal typically shows water content under 0.05%, verified not just by quick spot checks, but by systematic laboratory protocol before loading and closing any lot for shipment. Besides purity, we also watch for acidity, tested as HCOOH, and make sure it remains below 0.003%. Every extra percent we shave off contaminants can mean less downtime and better product for anyone downstream.
Many solvent buyers think in terms of price and supply. Those are real concerns—no question. But plant engineers, process chemists, and production managers know the headaches that small shifts in impurity or moisture can bring. In our own experience, if Methylal contains excess moisture, it not only reduces extraction efficiency but also risks side reactions in sensitive syntheses. That drives up costs through rework and waste treatment. Over the years, especially as electronics manufacturers turned local and environmental standards rose, we found that delivering genuine low-impurity Methylal was one place we could set ourselves apart.
Years ago, in the adhesives and coatings sector, customers reported increasing failures caused by formaldehyde traces or acid residues. After a series of joint investigations, we upgraded our monitoring and swapped out materials in vulnerable production lines. The difference in their product yield spoke volumes. That experience led us to maintain a steady focus on not just headline properties but on details like storage, handling, and real-world application issues.
Folks often ask about the range of uses for Methylal. There’s a reason it crops up across such a wide swath of industries: few solvents balance volatility, polarity, and mild odor so effectively. We see regular orders for Methylal in adhesives, especially as a quick-drying, low-residue solvent that helps set the right viscosity in both specialty and bulk products. In paints and coatings, Methylal serves as an effective diluent and cleansing agent—offering easy evaporation and little carry-over of undesirable odors.
On the pharmaceutical side, many labs and bulk producers reach for Methylal due to its compatibility with active ingredient syntheses and extraction procedures. It remains gentle on sensitive APIs, easy to remove during purging, and plays gently with glassware and stainless steels—meaning less long-term equipment wear. Electronic component cleaning, photographic film processing, and engineered resin production round out a longer list of areas where precision matters more than marketing brochures suggest.
As a producer, certain details become second nature. Bulk Methylal doesn’t yellow over time if you take care of exposure to light and air. Its slight sweet smell makes it easier to work around than many harsher alternatives in the solvent market. It pours easily, mixes uniformly, and doesn’t gum up feed lines, whether running at lab scale or through multi-ton transfer pumps in bulk operations.
We keep tanks nitrogen-blanketed, and we recommend the same to industrial users—oxygen exposure risks both peroxide formation and unwanted acidity. Methylal’s boiling and flash points also make it easier to recover via distillation than many glycol ethers or higher alcohols. Tanker and drum returns show minimal residue and no clogging, so long as best practices are followed on both sides.
In the daily reality of manufacturing, the biggest differences between Methylal and other common solvents—acetone, methanol, or methyl ethyl ketone—show up in routine plant operations and safety paperwork. Acetone flashes off quickly but carries a sharp, lingering smell. Methanol’s toxicity and regulatory burden keep applications on a tight leash in most regions. Methyl ethyl ketone brings concerns about peroxide formation and stronger skin defatting.
Methylal answers with a profile that blends moderate evaporation with low surface tension, creating an effective flux for cleaning and prepping surfaces without the same “bite” on plastics or seals. While Methylal is less polar than dimethyl sulfoxide or acetonitrile, it tracks close enough to serve in many polar extractions and blends. Its miscibility with water and a broad mix of organic solvents reduces blending headaches for compounders developing new formulations or scaleups.
Long-term health and safety records matter on the production line. Methylal remains less hazardous to handle than halogenated solvents or aromatic hydrocarbons—though as with any volatile organic, adequate ventilation and PPE remain essential. Sustainability also creeps up in regulations and customer inquiries. Methylal’s ready biodegradability opens up cleaner compliance when compared with more persistent solvents, keeping wastewater systems and air emissions within tighter bounds. Recent investments in closed-loop capture and recycling at our own facility have driven down solvent loss rates and reduced the waste burden for both ourselves and partners downstream.
Formulators and innovation teams have taught us a lot about Methylal’s versatility. Specialty ink developers use it to fine-tune drying rates and manage pigment dispersion without clumping or film defects. Polyurethane foam makers seek out the compound to craft low-VOC, fast-reacting blowing agent blends. The research teams tackling lithium-ion battery advances experiment with Methylal as a low-residue cleaning agent and potential electrolyte co-solvent, thanks to its balance of volatility and solubility.
We set up application labs years ago not as a marketing ploy, but to partner with customers looking for reliable pilot scale-up and production transfer. Those projects exposed us to real-world hurdles, including batch variability, scaling artifacts, and shelf-life issues under unpredictable storage conditions. Our insights from those pilot lines circle back into core manufacturing strategy, sharpening not just how we produce, but also how we support next-generation users.
Shipping Methylal in bulk or smaller lots comes with its own challenges. Early on, we saw how ambient temperature swings and long wait times at harbors impact quality if containers aren’t properly sealed. These lessons led us to invest in dedicated stainless tanks, vapor recovery on truck filling, and mandatory pre-shipment vessel checks. We learned the hard way that even a little free water in storage tanks can set off a cascade of batch rejections down the line.
Logistics teams face a balancing act. Keeping pace with increasingly strict global and regional transport codes—flammable liquids, VOC caps, and evolving environmental requirements—often means extra layers of documentation and relay with port authorities. To support our customers, we issue full batch and safety data on every load, organizing records so corrective actions can happen in hours, not days, when rare issues arise. We also observed an uptick in requests for customized packaging and labeling as regulations changed, so our operation accommodates both standard drum sizes and custom IBCs or tank logistics, depending on both volume and local needs.
No manufacturer operates in a vacuum. We watch as regulations tighten, environmental standards evolve, and customer preferences shift. Methylal production now faces scrutiny on carbon intensity, wastewater generation, and trace contaminant reporting—not just on plant results, but all the way through the product lifecycle. Our own environmental teams work with engineers to optimize energy usage, capture off-gasing, and reduce total benzene, toluene, and xylene readings in output streams. We track incoming raw material sources for sustainability, and recalibrate as supply chains change. This ongoing refinement becomes part of the value our Methylal brings, far more than a statement for annual reports.
More buyers now ask about everything from the greenhouse gas footprint of each ton produced to closed-loop recycling and reclamation. Many of our largest customers invite us for joint audits or monthly review sessions, and we find those as valuable as our own internal quality roundtables. The push for safer, greener products has sparked a cycle of learning and reinvestment—improving how we clean, separate, and pack every product batch that ships out.
As a manufacturer, feedback from the field stays front and center. End-users in coatings, resins, inks, and pharmaceutical labs bring up issues we weren’t expecting: residue on seals, subtle yellowing in long-term storage, unexpected odor profiles under certain blends. Each of these prompts targeted tests or production tweaks. We follow up with samples, run confirmatory analysis, and occasionally, alter the design of our own process units. Those details don’t always show in grade sheets, but do make results better for everyone handling our product through its lifecycle.
Some customers want zero-acid, ultra-pure Methylal intended for electronic manufacturing or as high-purity extraction medium. Others prioritize consistent fill volumes and leak-proof packaging. Our team logs every recurring request and rare complaint, regularly circling feedback back to maintenance, loading, and lab ops. This information-sharing helps stop small issues from becoming bigger ones, whether related to product grade or downstream performance hiccups.
Production never stands still. As demand for consistent, high-quality solvents grows in China, India, the Americas, and the EU, our processes continue to evolve. On-site energy recovery, emission capture, and real-time batch monitoring via integrated sensors let us spot deviations long before product hits loading docks. Digital batch tracking, QR-verified certificates, and on-call chemists all help smooth transactions and support. Industry players with seasonal production shifts or sudden demand spikes benefit the most from our flexibility and willingness to tweak production cycles or blend ratios to fit end-use requirements.
By focusing on measurable, verifiable chemical quality and adapting production to real customer challenges, we see Methylal keeping a central role not just in legacy applications, but in emerging tech as well. As competition pressures all manufacturers to lower environmental impact and increase effectiveness, the lessons we’ve picked up across thousands of metric tons—tight QC, field-driven innovation, and fast response to feedback—shape every next batch as much as the last.
Methylal succeeds where it proves reliable over countless runs—filtering into every corner of industrial chemistry, steady and unassuming. Behind the data sheets, you’ll find hands-on involvement at every point of the production line, continual re-investment in plant and people, and a real commitment to safety, quality, and sustainable growth. Every lot of Methylal that leaves our facility carries the stamp of that experience, not just a regulation-driven checklist but a sense of pride built on years of real use.
We look forward to shaping the next generation of reliable chemical supply—and to continuing the tradition of openness and improvement that keeps Methylal an essential tool for those who value safety, purity, and consistency.