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HS Code |
339184 |
| Chemicalname | Methylal |
| Casnumber | 109-87-5 |
| Purity | 99% |
| Molecularformula | C3H8O2 |
| Molarmass | 76.09 g/mol |
| Appearance | Colorless liquid |
| Boilingpoint | 42°C |
| Meltingpoint | -97°C |
| Density | 0.823 g/cm3 (20°C) |
| Solubilityinwater | Miscible |
| Vaporpressure | 460 mmHg (20°C) |
| Flashpoint | -1°C (closed cup) |
| Odor | Pleasant, ether-like |
| Refractiveindex | 1.344 (20°C) |
| Synonyms | Dimethoxymethane |
As an accredited Methylal 99% factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
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Solvent: Methylal 99% solvent is used in coatings formulation, where it ensures rapid evaporation and smooth film formation. Purity: Methylal 99% purity is used in pharmaceutical synthesis, where it guarantees high reaction efficiency and minimal impurities. Volatility: Methylal 99% volatility is used in ink manufacturing, where it provides fast drying and reduced residue. Density: Methylal 99% density is used in fuel additive blending, where it facilitates homogeneous mixing and improved combustion. Flash Point: Methylal 99% low flash point is used in cleaning solvent applications, where it promotes quick evaporation and residue-free surfaces. Stability: Methylal 99% stability is used in electronic component cleaning, where it maintains solvent integrity under storage and use conditions. Viscosity: Methylal 99% low viscosity is used in adhesive formulations, where it enhances flow and substrate wetting. Boiling Point: Methylal 99% controlled boiling point is used in paint stripping products, where it allows precise removal rates without substrate damage. Azeotrope Formation: Methylal 99% azeotrope formation is used in azeotropic drying processes, where it enables efficient water removal from organic phases. Solubility: Methylal 99% high solubility is used in resin dissolution, where it ensures complete dissolution and uniform mixture quality. |
| Packing | Methylal 99% is packaged in a 200-liter blue HDPE drum with secure sealing, labeled with hazard and handling information. |
| Container Loading (20′ FCL) | Container loading (20′ FCL) for Methylal 99% typically carries around 160-165 drums, totaling approximately 12-13 metric tons per container. |
| Shipping | Methylal 99% is shipped in tightly sealed, chemical-resistant containers, typically drums or barrels, to prevent leaks and contamination. It is classified as a flammable liquid and must comply with ADR, IMDG, and IATA transport regulations. Ship in a cool, well-ventilated area away from sources of ignition and incompatible substances. |
| Storage | Methylal 99% should be stored in a cool, dry, and 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 appropriate grounding and bonding to prevent static discharge. Ensure all handling and storage areas comply with relevant safety regulations. |
| Shelf Life | Methylal 99% typically has a shelf life of 12-24 months when stored in tightly sealed containers, away from heat and moisture. |
Competitive Methylal 99% prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to sales3@ascent-chem.com.
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Tel: +8615365186327
Email: sales3@ascent-chem.com
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Every batch of Methylal 99% that leaves our facility reflects a quiet but significant commitment: precise chemistry aligned with practical industry needs. For decades, we have faced the ever-changing expectations of solvents and chemical intermediates, and this product—also called dimethoxymethane—holds a steady place in our manufacturing line-up for a reason.
Over the years, our process engineers and quality teams have taken note of where generic products miss the mark. A consistent purity level of 99% is not just a label; it is the difference between predictable reactions and wasted time on troubleshooting downstream processes. When customers request methylal with this grade, they often do so out of direct necessity, aiming to meet performance benchmarks in sectors like fine chemicals, pharmaceuticals, or specialty coatings.
A lot of chatter fills the market about solvent grades and technical specifications, but real-world users seldom see the day-to-day hurdles in bringing purity above 99%. Technicians on our production floor do not accept off-the-shelf results or shortcuts. They monitor not just storage temperatures and distillation rates, but also the details most overlook—reflux adjustments, demisting operations, and post-process sampling. Each test on outgoing product checks for moisture content, acidity, and the presence of related ethers or formaldehyde. If the sample deviates, it gets reprocessed; there are no shortcuts here, because each deviation means more rework and, ultimately, less trust from our partners.
Our storage and filling systems avoid cross-contamination with non-compatible organics—a challenge for plants with broader solvent lines. Dedicated tanks, routine line purging, and staff training drive reliable outcomes. We also keep feedback channels with users open, letting us fine-tune processes to real usage conditions. We help teams avoid fouling, product instability, or surprises in downstream distillation by supplying a material that stays predictable from the first drop to the last.
With a minimum purity of 99%, our methylal meets the needs of demanding applications. The water content typically tests below 0.1%, avoiding problems like catalyst poisoning in resin production. Unwanted ethers, aldehydes, and acidic impurities remain at trace levels, thanks to refined distillation and filtration designed after years of troubleshooting. We monitor density, color, and refractive index to make the product’s condition transparent to buyers, not just hidden in a specification sheet.
We offer packaging in both steel drums and bulk ISO tanks, designed to mitigate product degradation through light or moisture exposure. Our plant teams maintain systems so that product from the first barrel to the last in a batch shows the same composition. Testing, batch certification, and ongoing customer dialogue drive every decision.
We know that laboratory results make a difference. If a research chemist reports an unexpected result, one of our engineers digs deeper, checking not just product tanks but also the possible effect of minor contaminants arising from process side-reactions or storage mishaps.
Customers select Methylal 99% for reasons rooted in lived experience: it is a fast-evaporating solvent with low viscosity that can clean, dissolve, or thin a variety of mixtures. In the coatings sector, high-purity methylal helps to create clear, defect-free finishes because it leaves behind no oily residues or unstable byproducts. The electronics segment demands a solvent that vaporizes quickly and completely, minimizing trace residues in cleaning or degreasing steps. In pharmaceutical synthesis, a product with this purity avoids false positives in trace analysis or product registration.
Because methylal has a relatively low boiling point (about 42 °C), it evaporates rapidly, making it suited to precision cleaning or fast-drying coatings. Unlike heavier ethers or alcohols, it introduces little risk of sticky residues, and its neutral smell aids workplaces trying to maintain tolerable environments for staff. Feedback from paint technicians emphasizes that lower-purity grades can add contaminants that compromise clarity or gloss, which makes paying for extra purification justified.
In polyurethane and resin manufacturing, side-products or water in the solvent can interfere with catalysis or polymerization. Our higher-purity material acts as a reliable diluent, carrier, or process aid, making the reaction proceed as designed. Regulatory bodies sometimes press for tighter impurity profiles, so we keep records and backup retained samples from every batch—helping both us and our customers demonstrate compliance if questions come up months after delivery.
A shopper in the market may see a price difference between methylal grades and ask whether the extra cost brings anything tangible. From our side of the production line, the answer is experience-based: higher purity means less rework downstream, fewer rejected lots, and less guesswork in troubleshooting. Lower-purity or technical grades often introduce more water, aldehydes, or heavier byproducts. These small differences, barely picked up in a casual review of certificates, can create much larger headaches in sensitive operations.
For example, simpler grades may work in aggressive degreasing, but residual water or non-volatile impurities can cause recurring haze or even corrosion in electronics cleaning. Teams producing pharmaceutical intermediates trust the 99% grade because the fate of product registration or batch consistency hangs on minute details. Fewer unknowns in the solvent translate to fewer surprises in the final application.
Some customers ask whether methylal can stand in for more traditional solvents like acetone, methanol, or diethyl ether. Our experience tells us methylal delivers faster drying and higher solvency for certain resins, while its relatively low hazard profile makes storage less complex. Its flammability still requires careful handling, so safety planning aligns with regular training and robust equipment maintenance.
Other ethers might suffice in less critical uses, but the fine margin between a clean, effective final product and weeks of chasing mystery defects lies with details such as water content, trace formaldehyde, or unanticipated acid numbers. Our production history is marked by learning where lesser grades fall short—and why customers eventually seek out a supplier who sticks with their commitments to quality, batch after batch.
Many times, customers have brought us stories from the field: batches where a minor impurity in methylal from another source forced a week’s worth of troubleshooting, or a packaging glitch resulted in product degradation. For the people mixing batches or running distillation columns, these daily frustrations create real consequences—delays, scrap, and uncertainty that erodes both profit and trust. Our plant crews work close to the actual outcomes that matter: packaging integrity, steady composition, and accurate shipment logs.
Site managers have told us how important it is to receive solvent that does not vary from barrel to barrel. Variable quality at the source can introduce subtle problems that run through an entire shift; for example, a shift in water or aldehyde content can affect curing speeds, color development, or shelf life. These issues do not always show up in standard reporting—you have to look at ongoing performance, both in the plant and in the laboratory.
As the people who operate distillation and filtration lines daily, we have seen the direct benefit in scrapping and recharging only when something genuinely falls outside tight specifications. This is not just a matter of pride, but real-world economics: lost time, wasted energy, and lost customer confidence can add up quickly. By running tighter controls and keeping rigorous records, we offer a product that operators know they can blend, store, and use without hesitation.
For those manufacturing adhesives, inks, or cleaning agents, consistency means keeping production on track and end-users happy. Downtime for decontamination or drawn-out QC disputes does not just hit the bottom line—it creates stress for both production teams and their customers, rippling out in ways rarely noticed by upper management or outside suppliers.
The reactivity and volatility of methylal mean that even small mishandling can lead to storage losses or safety incidents. We use sealed and inerted containers, keeping both air and light exposure at bay to extend shelf life and prevent hydrolysis. Every operator, from synthesis to warehouse, receives specialist training in spill control, fire risk, and PPE use.
Methylal’s lower flash point, compared to more common solvents, raises risks many general chemical handlers are not always attuned to. In our experience, detailed job risk assessments, early-response drills, and real MSDS training separate safe plants from those that simply hope for the best. Because smaller plants often lack onsite GC analysis for airborne or liquid-phase impurities, our testing and documentation provide an added margin of safety and reliability.
Where users need detailed certificates and batch samples to cross-check historical quality, we support traceable documentation. Safety audits and repeat delivery feedback let our teams spot and solve issues before they have a chance to ramify into bigger incidents. Closely managed inventory and frequent stock rotation keep product aging in storage to a minimum, avoiding degradation.
Handling volatile organic compounds comes with both regulatory responsibilities and a commitment to stewardship. We engineer our emissions controls to limit vent losses during both processing and transfer, not just for compliance, but out of respect for the local community. Monitoring systems and routine inspections help clamp down on fugitive emissions.
Our waste stream management program captures off-spec material and recycles or disposes of it in line with current regulations. By tracking chemical lifecycle from raw material input to final dispatch, we avoid “orphan” byproduct buildups that have surprised some in the industry. Working with auditors and consultants, we adapt as needed when authorities shift compliance targets, always aiming for reliable and safe operations.
Customers in export markets frequently request compliance documentation for REACH, EPA, and other major regulatory frameworks. Our supply chain transparency, paired with clean batch traceability, streamlines customer reporting obligations. We stay ready with third-party audit support, and update our systems each time a new global regulation affects how solvents ship, store, or label in different markets.
The industries that rely on methylal continue to evolve, with ever-longer lists of restricted impurities and increasing focus on process sustainability. Demands shift fast—from the automotive industry’s new finish requirements, to electronics assembly’s push for even purer solvents. We convert direct feedback into process improvements, such as moving from standard condenser systems to high-efficiency fractionating columns, or upgrading final filtration equipment.
Shifts in demand also create supply risks. Sharp moves in raw material pricing or logistics disruptions mean we need to buffer inventories, maintain strategic supplier partnerships, and keep internal benchmarking up to date. Customers appreciate not just product on time, but frank communication about possible delays or changes in regulation—honesty matters as much as technical proficiency.
Some users experiment with new applications: replacing chlorinated solvents in degreasing, blending in eco-friendly formulations, or trialing what were once considered specialty uses in scalable production. As a primary manufacturer, we sometimes work directly with laboratory and R&D teams, running pilot batches or stability tests to fit specific requirements. This sort of engagement reveals both potential and limits—a wider field of opportunity, balanced by grounded technical realism.
Every year, new challenges test our experience. Shipping methylal in the wet season challenges even the best-sealed drums and containers, pushing us to review logistics and work with carriers who understand the need for dry, stable chains of custody. Maintaining purity in the summer means added vigilance against temperature-driven degradation, while cold weather transportation brings risks of condensation and ingress that we answered with improved insulation and packing.
Handling customer complaints or returns always teaches us something new. Early on, some batches drew criticism for slightly elevated acid values traced to line residue—a lesson that led to more frequent changeovers and plant cleanouts. In other cases, we encountered unexpected interactions between packaging liners and solvent during long-haul transit. Each feedback cycle led to a review, corrective action, and explicit updates to SOPs and staff training.
Partnership with end-users often uncovers value in simple things: getting drums clearly labeled, or providing guidance on shelf life in both hot and cold climates. Operators ask for basics like easy-to-read batch numbers or support for waste minimization. Rather than just shipping a product, we see ourselves as facilitators of a process—the bridge between proven chemistry and day-to-day productivity.
Investing in automation and in-line monitoring pays dividends, cutting response time for deviations and giving more confidence both to our team and customers. Over time, our culture hardened around the notion that products are only as good as the last batch, and each shipment must match historic performance.
Staying in business, year after year, means developing reliable intuition for each product and each process. We learned where hidden risks lurk in raw material stocks, how subtle shifts in ambient humidity can creep into condensate lines, and why older equipment must either be upgraded or retired before it risks downgrading lot quality.
Long ago, we realized competing only on price cuts corners that end up costing far more—lost business, plant downtime, or even safety compromises. So we focused on where our experience gives an edge: batch-to-batch consistency, technical support, and an honest, responsive supply chain. Success for us does not look like a race to the bottom, but a steady, disciplined improvement based on what real users need.
Staff development makes a difference. We build production teams that learn not just technical skills, but also the logic behind each SOP. New hires quickly see why deviation from proven protocols means not just a possible complaint, but greater safety risk and the loss of trust built over years.
We see lasting value in customer partnerships—whether that is sharing lab results to debug a process hiccup, or keeping extra inventory in hand during outage season. The respect won over decades does not come from flashy marketing or hollow guarantees, but day-in, day-out reliability.
As regulatory pressure builds and technical demands rise, our approach to production and supply of methylal will keep adapting. New markets will likely want even tighter impurity control, and energy efficiency in plant operations will become more important as sustainability targets loom larger.
We invest in plant upgrades and sustainable practices, not because they offer quick returns, but because they protect our ability to deliver for years to come. Staying close to our customers, listening to both praise and complaint, gives us the data and context we need to keep improving.
The story of Methylal 99% at our company was never about hitting a specification and stopping there. It is about what happens before and after those numbers get printed, how they stand up under real-world use, and how every member of our team contributes to making something dependable. Each drum or tank we send out carries not just chemical contents, but also years of hard-earned experience, and a stake in our customer’s own success.