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(Methoxymethyl)Trimethylsilane

    • Product Name (Methoxymethyl)Trimethylsilane
    • Alias MOM-TMS
    • Einecs 252-506-0
    • 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
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    Specifications

    HS Code

    695889

    Chemical Name (Methoxymethyl)Trimethylsilane
    Molecular Formula C5H14OSi
    Molecular Weight 118.25 g/mol
    Cas Number 18293-54-4
    Appearance Colorless liquid
    Boiling Point 101-104 °C
    Density 0.828 g/mL at 25 °C
    Refractive Index 1.399-1.401
    Flash Point 15 °C (closed cup)
    Purity Typically ≥97%
    Solubility Insoluble in water; soluble in organic solvents
    Storage Conditions Store under inert atmosphere, away from moisture

    As an accredited (Methoxymethyl)Trimethylsilane factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing (Methoxymethyl)trimethylsilane, 100 mL, is supplied in a clear glass bottle with a secure screw cap and detailed hazard labeling.
    Shipping (Methoxymethyl)trimethylsilane should be shipped in tightly sealed containers under an inert atmosphere, such as nitrogen or argon, to prevent moisture or air exposure. It must be labeled as a flammable liquid and handled according to relevant regulations. Avoid heat, sparks, and open flames during transport. Store in a cool, dry place.
    Storage (Methoxymethyl)trimethylsilane should be stored in a tightly sealed container under an inert atmosphere, such as nitrogen or argon, to prevent moisture and air exposure. Store in a cool, dry, and well-ventilated area away from heat sources, open flames, and incompatible substances, such as oxidizers and acids. Keep away from direct sunlight and ensure proper labeling to avoid accidental misuse.
    Application of (Methoxymethyl)Trimethylsilane

    Applications of (Methoxymethyl)Trimethylsilane in Industrial Manufacturing

    Our production of (Methoxymethyl)Trimethylsilane serves specialized sectors that require precise performance parameters, interface control, and dedicated compliance to international standards. Below, we detail real downstream application areas where our material supports advanced manufacturing from formulation to finished product, with attention to process integration and regulatory demands.

    1. Silicon-Based Intermediate for Pharmaceutical Synthesis

    As a silylating agent in the synthesis of active pharmaceutical ingredients, (Methoxymethyl)Trimethylsilane enables the temporary protection of hydroxyl and amino functionalities. Chemists use this intermediate during key steps to prevent side-reactions, supporting the scalable production of pharmaceutically relevant compounds. Its use is tailored to high-purity environments where strict adherence to contamination limits and trace residual levels is critical.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • United States Pharmacopeia (USP)
    • European Pharmacopoeia (Ph. Eur.)
    • Current Good Manufacturing Practice (cGMP) Regulations 21 CFR Parts 210 & 211

    Typical usage ratio

    • 0.5–2.5 equivalents per reactive functional group; precise ratio depends on substrate loading and batch process requirements

    Downstream process integration

    • Added during protection and deprotection stages in multi-step synthesis; integrated in anhydrous reaction vessels prior to main transformation step

    Final product types

    • Protected intermediate compounds for small molecule pharmaceuticals
    • API precursors requiring subsequent deprotection
    • Advanced intermediates for peptidomimetic and nucleoside-based drugs

    2. Electronic-Grade Silanization in Semiconductor Manufacturing

    Semiconductor fabricators rely on (Methoxymethyl)Trimethylsilane as a vapor-phase silanization agent for surface modification of silicon wafers and microelectronic components. This application allows manufacturers to create highly controlled organosilicon layers, enhancing dielectric properties and promoting resist adhesion with sub-nanometer precision, especially in etch and lithography processes.

    Industry compliance standards

    • SEMI Standards (E49, E54) for materials quality and gas purity
    • IPC-6012: Qualification and Performance Specification for Rigid Printed Boards
    • ISO 9001:2015 Quality Management Systems for electronic industry inputs

    Typical usage ratio

    • 0.2–0.4 mg per cm2 substrate surface area; dosage adjusted according to wafer size and desired monolayer thickness

    Downstream process integration

    • Vapor deposition in chemical vapor deposition (CVD) chambers; introduced post-cleaning step before resist spinning and etching

    Final product types

    • Microprocessors, memory chips, and integrated circuits (ICs)
    • Photolithographically patterned substrates for MEMS fabrication
    • High-k dielectric coated wafers for advanced node semiconductors

    3. Surface Treatment Agent in Specialty Coatings

    Manufacturers of industrial coatings use (Methoxymethyl)Trimethylsilane to functionalize pigments and additive particles, enhancing dispersion and hydrophobicity of high-performance coatings. It is also used for the modification of silica and alumina fillers, improving their incorporation into resins and final coating durability under heavy weathering or chemical exposure.

    Industry compliance standards

    • ISO 12944: Paints and varnishes—Corrosion protection of steel structures by protective paint systems
    • ASTM D4828: Standard Test Methods for Practical Washability of Organic Coatings
    • REACH Regulation (EC) No 1907/2006 on chemical safety
    • RoHS Directive 2011/65/EU for restricted substances

    Typical usage ratio

    • 0.1–0.5 % by weight relative to total pigment or filler phase; determined on the basis of surface area and desired hydrophobic modification

    Downstream process integration

    • Introduced during pigment or filler pre-treatment; either in liquid blending tanks for batch production or inline dosing systems in continuous mixers

    Final product types

    • Industrial anticorrosive coatings (epoxy, polyurethane, fluoropolymer systems)
    • Protective coatings for construction and infrastructure
    • High-durability architectural finishes

    4. Silanization Reagent in Chromatography Packing Material Production

    Manufacturers of high-performance liquid chromatography (HPLC) and solid-phase extraction (SPE) columns utilize (Methoxymethyl)Trimethylsilane for end-capping silica gel particles. This process renders residual silanol groups non-polar, minimizing peak tailing and enhancing the reproducibility and inertness of column packing materials used for pharmaceutical quality control, environmental, and food safety testing.

    Industry compliance standards

    • USP <621> Chromatography (guidelines for column performance)
    • ISO 17025 Laboratory Testing and Calibration Competency
    • FDA 21 CFR Part 820 – Quality System Regulation for analytical devices

    Typical usage ratio

    • 5–20% molar excess relative to available silanol groups on silica; calculated based on surface area and pore structure, with automation for reproducible dosing

    Downstream process integration

    • Fed to silica slurries in solvent reactors for chemical end-capping; followed by washing and drying before column packing

    Final product types

    • Reversed-phase C18 and C8 chromatography columns
    • SPE cartridges for sample clean-up
    • Analytical columns for food and drug analysis workflows

    5. Chemical Intermediate for Crosslinked Silicone Elastomers

    The silicone elastomer sector employs (Methoxymethyl)Trimethylsilane as a crosslinking or end-capping agent to modify siloxane molecular weight and achieve target physical properties. Its incorporation allows processors to fine-tune mechanical flexibility, chemical inertness, and service temperature range by precise regulation of siloxane network formation, especially in applications demanding long-term performance stability.

    Industry compliance standards

    • ISO 10993-10 for biological evaluation of medical devices (skin contact elastomers)
    • UL 94 Flammability Standard for Plastic Materials
    • FDA 21 CFR 177.2600 for indirect food additive safety (elastomer applications)

    Typical usage ratio

    • 0.5–2.0% by weight of siloxane base polymer; level established through pilot compounding tests to meet elongation and modulus specifications

    Downstream process integration

    • Metered into two-part or addition-cure silicone formulations prior to catalyst addition; integrated using high-shear mixing equipment for uniform reaction

    Final product types

    • Medical-grade silicone elastomer tubing and seals
    • Automotive engine gaskets and connectors
    • Consumer kitchenware subject to heat exposure
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    Certification & Compliance
    More Introduction

    Introducing (Methoxymethyl)Trimethylsilane: Reliability Backed by Practical Experience

    Distinct Substance Crafted With Purpose

    Our direct work with (Methoxymethyl)Trimethylsilane over the years has shown us how chemistry at its best can save time, improve reliability, and unlock options that aren’t accessible through more basic silylation reagents. Chemists looking for efficient and selective methylation often set their expectations on predictable performance and practical handling, not just on theoretical capability. Here on the production line, we see firsthand what it takes to deliver a consistent batch—clear colorless liquid, kept pure at controlled temperatures, always shipped airtight.

    With the model number C5H14OSi—CAS 14649-48-6—(Methoxymethyl)Trimethylsilane doesn’t sit in a crowded field. This is a specialty reagent. You find it applied almost exclusively where methylation must be both mild and selective. Our colleagues in research, pharmaceuticals, and the electronics sector recognize this difference. Instead of going for rough, broad strokes, this material lets you draw a precise line during synthesis, so less gets wasted, and fewer byproducts challenge downstream purification.

    Behind Every Drum: What Quality Looks Like

    We have never believed in cheapening process for the sake of output. Tight batch controls hold our consistency to a high standard. We rely on gas chromatography to verify every lot before it leaves our gates, so you aren’t left gambling on reactivity. Moisture content—always a concern with reactive silanes—goes below 100 ppm. Our tanks and lines all use inert handling. This discipline keeps hydrolysis away and protects the methoxymethyl group from degrading before you get your shipment.

    The annual average output currently hovers in the hundreds of kilograms—just enough to meet consistently specialized requests from labs and manufacturers. We don’t flood a warehouse; instead, we focus on prompt, customized dispatch. Our regulars tell us they need a product that reacts as expected, without fighting repeated purification or batch variation. They don’t want a leaky cap or a yellow tinge—they want confidence that the silylation step will proceed without delay.

    Where (Methoxymethyl)Trimethylsilane Earns Its Place

    The value in this molecule stems from its ability to act selectively. Traditional methylating agents like methyl iodide or dimethyl sulfate can blanket a substrate with methyl groups, often at the expense of site specificity and lower yields on delicate molecules. Our (Methoxymethyl)Trimethylsilane addresses a narrower set of challenges. Synthetic chemists reach for it when they require gentle activation or subtle group protection. Tuning reaction conditions gives them leverage over orthogonality. So, unlike broad-use methyl donors, this compound lets them maintain structural complexity or functional group integrity through longer routes.

    We have seen early-stage drug discovery teams handle costly intermediates with care, turning to this reagent because typical silyl ethers would introduce too much steric bulk or fail to release downstream. These teams count on the (methoxymethyl) group both for protection and for subsequent mild removal. A good process route can mean significant cost savings, especially if it avoids recasting earlier steps. We have supplied batches for iterative GMP campaigns, and each time it highlights how crucial consistent purity proves.

    Reliable Shipping, Vital Safety

    We move our material only in UN-approved, airtight containers to ensure purity and safety during transit. Silanes can be moisture-sensitive, so skipped steps or poor transfer practices lead to product loss or hazardous conditions. Our operational crews are trained for the realities of handling: full-face respirators when decanting, routine leak checks on valves, nose for the subtle methoxy and silyl odors that indicate a breach. There’s no streak of abstraction in these routines—years of repetition, real chemical exposure, and honest feedback from receivers have hardened these habits.

    Transport is always in temperature-controlled loads, avoiding direct shipment alongside oxidizers or acidic cargo. Many of us started here loading steel drums or standing by the ullage port with sampling bottles. Anyone who ever had a silane vapor scare—spitting instead of running clear—learns the importance of inert gas blanketing. We send every order with traceable lot records and a real person on the other end, who knows there’s no shortcut for care when it comes to handling sensitive chemicals.

    Specifications That Reflect Real-World Demands

    All material leaves our line at a minimum purity of 99.5%, with much of it tracking even higher. Every container gets marked by batch date and lab-verified certificate, not just barcoded out of a central warehouse. We don’t chase superfluous grade upgrades or overpromise, since nearly all industrial and synthetic work depends on removing basic impurities—not squeezing out the last tenth of a percent. The few times a customer flagged a cloudiness or trace impurity, our troubleshooting always led back to secondary packaging damage or improper storage, rather than upstream synthesis weakness. Each of these mistakes has taught the whole team something lasting about logistics and varying atmospheric sensitivities.

    Our containers carry clear volume labels, often in multiples of five or ten liters; we rarely bottle in smaller laboratory ampoules because most of our buyers repackage for their own workflows on arrival. Still, certain biotech or specialty fragrance labs ask for a few one-liter jugs when piloting a new process, and we answer those needs without delay. The product’s stability at ambient storage, provided strict dryness remains, means customers don’t lose reagent or scramble for last-minute replacements just because production schedules shift.

    Process Advantages Over Other Methyl Donors or Silylating Agents

    Over the years, requests have come in comparing (Methoxymethyl)Trimethylsilane to better-known methylating agents, or even to standard trimethylsilyl derivatives. We’ve always been forthright: this molecule finds its advantage where subtlety, not brute force, determines success. Dimethyl sulfate and methyl iodide offer stronger methylation, but carry higher toxic risk, can overreact, and frequently force complex remediation in post-synthesis washes. By contrast, (Methoxymethyl)Trimethylsilane allows for cleaner transformations, making it easier to filter, extract, or distill target products.

    In electronics and surface modification, we find that clients use this compound to introduce silicon-organic layers without building thickness that interferes with conductivity. Trimethylsilyl-based reagents can lay a coating thick and fast, but often veer wide of micron-scale demands. Several semiconductor firms have found success using our product during fabrications for sensors or in trace analysis, attributing fewer signal aberrations and smoother device performance to the finer molecular film produced. We’ve had requests to scale batches for these applications, prioritizing packaging and scheduling to keep up with the rigorous pace of tech R&D.

    Sustainable Improvements and Safety Initiatives

    Our dedication to workplace safety never springs from compliance checklists—it comes from lived experience on the floor. Every technician here has handled methylsilanes since before most specialty chemical distribution sites listed them online. We know which solvents trigger instability and which tank materials help maintain purity. Digging deeper into energy use, we switched over to a closed-loop distillation system five years ago, reducing emissions and solvent losses by one-quarter. Process waste gets routed through a solvent recovery unit, and our air handling removes volatile siloxanes before they drift anywhere near property lines.

    We’ve also tackled hazards at the source, subbing in secondary containment where persistent leaks or spills posed risk to forklifts and operators. Every new hire starts in pairs with an experienced handler, logging actual observations and asking the kinds of questions that keep everyone aware of dangers not found in a training manual. As demand grows, we work closely with neighboring manufacturers and local regulators to address concerns about emissions, especially with methyl ethers and silanes counted as high-priority VOC candidates.

    Applications Set by Real-World Demands

    Methylation with minimal impact on frame or stereochemistry draws most of our regular users. These are not one-off jobs or speculative trial runs: researchers and manufacturers want process routes they can tweak and rely on through many cycles. Organic chemists use our product in regioselective modifications, protecting sensitive phenols or amines before subsequent transformations. It has also proven itself stable enough for microelectronic device manufacturing, contributing to the long-term moisture barriers or selective dielectric modifications that keep devices running longer on the job.

    Our relationship with pharmaceutical process teams has us regularly testing incoming and outgoing materials against strict release specs, where even a slight contamination can throw off a whole synthesis cycle. (Methoxymethyl)Trimethylsilane rarely leads to extraneous byproducts or scrambling that bogs down purification. This makes it a favorite for small molecule library synthesis, protecting functional groups where later transformations need the temporary shield of a methyl or silyl ether instead of exposure to harsher methylating conditions.

    Well-made silanes like ours retain their qualities over extended storage when kept moisture-free. Epoxy and resin manufacturers sometimes use this compound to create intermediates for specialized polymers, looking to design-in hydrophobicity or controlled crosslink density. The (methoxymethyl) functionality—while less common than simple alkoxysilanes—offers new avenues for material design. No pretense here: we encourage any buyer planning new applications to consult with our technical staff, since prepping a pilot batch can guide both expectations and process refinements.

    Personal Perspective: Navigating Challenges in Real Production

    Producing (Methoxymethyl)Trimethylsilane isn’t a back-office task. Facility humidity, local climate, and sourcing of base materials play out like chess moves on every order. We’ve seen certain lots of sodium methoxide or trimethylchlorosilane bring in unforeseen impurities, and it’s up to us to catch this early. Reaction temperatures and mixing rates matter more than sales brochures can explain: a few degrees off-target, and you lose fraction or destabilize storage potential. People often ask why we don’t scale up by automation alone—it pays to remember that a skilled technician can spot subtle issues that slip past mass sensors or computer controls.

    There’s pride among our staff for each safe and compliant shipment to a long-term customer. Stories get shared about frustrating batches, weather delays, and emergency late-night drum fills that rescued a customer’s running process plant. We’re not insulated from market shocks, sourcing shortages, or labor swings. Every victory—whether a certification, a spotless batch delivery, or just an on-time truck into a blizzard—comes from grit and direct interaction with the chemistry.

    Continuous Feedback Cycle With Our Customers

    We see the feedback loop with users as an edge. Labs often dial in conditions for silane additions, and their practical insight sometimes finds issues before we do. They point out if a drum runs warm, if a cap feels loose, or if a reaction profile shifts batch to batch. We log every detail: barcode scan, shipment date, pressure data, and downstream results, so future tweaks can reach back to the precise point where a variable crept in. The most memorable advances come from these back-and-forths: a customer uses the product under vapor phase instead of liquid addition, or runs a new substrate and uncovers a trace impurity unrelated to the usual suspects.

    These interactions drive our incremental improvements. If a user succeeds with a new application—maybe a peptide side-chain protection or an improved organic solar cell layer—we talk openly about that process, with appropriate respect for their confidential IP of course, and see if wider lessons apply. We never treat the sale as the end of the story; we chase the data until we see gains in yield or reproducibility reflected in our own process data and site reports.

    Commitment to Transparency and Responsible Sourcing

    Our reputation stands on more than just product quality. We keep full audit trails on base chemical sourcing, batch histories, and packaging runs. New customers from outside established research consortia occasionally ask about regulatory records or ethical sourcing. We invite site visits, supply chain walk-throughs, and time in the lab with our operators. Our own experience with regulatory inspectors taught us that openness comes easier than arm-waving after the fact. Those who visit our plant get a front seat for what goes into every drum—no pitched sales talk or evasive answers.

    (Methoxymethyl)Trimethylsilane: The Right Fit For Targeted Needs

    Synthetic chemistry, electronics, and polymer science keep evolving, but the needs at the bench and on the floor stay grounded. People want a methylating and silylating agent that reacts consistently, handles safely, and simplifies the post-reaction cleanup. Price remains important, but nobody sticks with a supplier if the product can’t be trusted to do its job cleanly, or if last-minute surprises shut down a production line. We see returning buyers because our process welcomes changes, incorporates feedback, and recognizes that there’s always one more improvement waiting to be found.

    What sets (Methoxymethyl)Trimethylsilane apart? Purity above all, supported by trained handling and shipping that don’t gamble with contamination. Specialty application users—whether guiding high-value pharma intermediates or laying down precision electronic films—appreciate the margin for error this compound affords compared to blunt competitors. Our production may not be the largest, but we value depth and dependability over scale. Between the hands of our technicians and the input of end users, we keep this product tuned to the needs of ever-shifting real-world chemistry, and invite new partners to join us in improving every ton or liter yet to ship.