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Tetramethylsilane

    • Product Name Tetramethylsilane
    • Alias TMS
    • Einecs 203-807-8
    • 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
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    Specifications

    HS Code

    263819

    Chemicalname Tetramethylsilane
    Molecularformula C4H12Si
    Molarmass 88.22 g/mol
    Casnumber 75-76-3
    Appearance Colorless liquid
    Boilingpoint 26.5 °C
    Meltingpoint -99 °C
    Density 0.648 g/cm³ at 20°C
    Flashpoint -18 °C
    Refractiveindex 1.369 at 20°C
    Vaporpressure 833 mmHg at 25°C
    Solubilityinwater Insoluble
    Odor Ether-like
    Structure Tetrahedral
    Ecnumber 200-899-1

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

    Packing & Storage
    Packing Tetramethylsilane is packaged in a 100 mL amber glass bottle with a secure screw cap, labeled with hazard and identity information.
    Shipping Tetramethylsilane should be shipped in tightly sealed containers under an inert atmosphere, away from heat, sparks, or open flames. It is classified as a flammable liquid (UN1993) and must be handled according to hazardous material regulations. Appropriate labeling and documentation are required. Store and transport in a cool, well-ventilated area.
    Storage Tetramethylsilane should be stored in a tightly closed container in a cool, dry, and well-ventilated area away from heat, sparks, open flames, and incompatible materials such as oxidizing agents. The storage area should be equipped with spill containment to prevent environmental contamination, and containers must be clearly labeled. Protect from moisture and direct sunlight. Store under an inert atmosphere if possible.
    Application of Tetramethylsilane

    Applications of Tetramethylsilane in Industrial Manufacturing

    Tetramethylsilane is a high-purity organosilicon compound with targeted uses across multiple precision-driven industries. As a producer, we supply bulk and custom pack options to customers in markets where traceability, specification alignment, and tight process control are essential throughout synthesis and downstream transformation steps.

    1. Semiconductor Thin Film Deposition (CVD & PECVD)

    In microelectronics manufacturing, Tetramethylsilane serves as a controlled silicon source for depositing silicon carbide and silicon dioxide thin films using chemical vapor deposition (CVD) and plasma-enhanced CVD (PECVD). Major wafer foundries rely on consistent purity profiles to minimize device defects. Our material meets ultra-low metal contaminant specifications, supporting advanced node logic and memory fabrication. Silicon incorporation rates and reactor stability depend on precise vapor delivery and real-time gas flow tuning, enabling users to align film properties with each technology generation’s electrical and dimensional targets.

    Industry compliance standards

    • SEMI C3 Standard for Gaseous Materials
    • IEC 60747-1 for Semiconductor Devices
    • QS-9000 and ISO 9001:2015 Quality Management Systems
    • Local EHS guidelines for cleanroom chemical handling

    Typical usage ratio

    • 10–50 sccm gas flow per chamber, adjusted per process node and film thickness
    • Gas ratio to carrier (argon, hydrogen, or nitrogen) from 1:10 up to 1:100 depending on deposition rate and target stoichiometry

    Downstream process integration

    • Introduction into precursor manifold immediately before showerhead or injection point
    • Inline DSC or RGA analysis for contaminant detection prior to film growth
    • Direct coupling with vacuum system control and abatement for off-gas management

    Final product types

    • Logic and memory wafers with high-quality interlayer dielectric
    • Power device substrates with tailored silicon carbide coatings
    • Microelectromechanical systems (MEMS) sensors
    • Photonic ICs and optoelectronic device layers

    2. NMR Spectroscopy Standard Preparation

    Tetramethylsilane is the reference compound in proton and carbon nuclear magnetic resonance (NMR) instrument calibration. Industrial chemical and pharmaceutical QC laboratories use it to set the zero-ppm scale for both routine analysis and device validation. High volatility and complete signal isolation make it ideal for accurate chemical shift measurements. We maintain solvent-grade purity, low water content, and consistent batch-to-batch performance to support reliable calibration and reproducibility across varied matrices.

    Industry compliance standards

    • United States Pharmacopeia USP-NF General Chapters <761> NMR Spectroscopy
    • European Pharmacopoeia 2.2.33 (NMR Calibration)
    • GMP/GLP environment documentation practices
    • ISO 17025 Laboratory Accreditation Requirements

    Typical usage ratio

    • 0.03–0.1% v/v in the deuterated solvent for reference calibration
    • Precise concentration depends on nucleus and probe sensitivity, typically 0.2–2 mg per 0.5 mL sample

    Downstream process integration

    • Manual or robotic spiking into sample vials prior to automated NMR analysis
    • Verification and documentation during analytical method validation and system suitability checks
    • Direct impact on R&D, QC release, and regulatory filing data integrity

    Final product types

    • Pharmaceutical API characterization reports
    • Polymer and specialty chemical identity certificates
    • Industrial quality release batches based on NMR-confirmed purity
    • Research-grade structure elucidation datasets

    3. Precursor for Organosilicon Synthesis

    Industrial silicone producers use Tetramethylsilane as a tailored intermediate for specialty siloxane synthesis. It enters controlled hydrolysis or redistribution reactions to control the methylation pattern and chain length of downstream siloxanes and silicon-based fluids. Ratio selection and addition order directly influence product attributes like viscosity, volatility, and downstream cross-linking potential. Our plant capabilities allow custom isomer content and targeted impurity control, supporting global automotive, insulation, and release agent manufacturing.

    Industry compliance standards

    • ISO 9001:2015 Quality Management for Chemical Intermediates
    • REACH Registration for Organosilicon Compounds (EC/1907/2006)
    • TSCA Inventory (United States)
    • Japanese Chemical Control Law (CSCL) confirmation

    Typical usage ratio

    • 5–25% molar feed in multi-component hydrolysis or alkoxylation batches
    • Ratio varies according to target molecular weight, degree of branching, and functionalization

    Downstream process integration

    • Direct metering to reactor vessel under inert gas using mass flow controllers
    • Real-time adjustment during continuous or batch synthesis based on in-process GC monitoring
    • Sequential feed strategy to minimize exotherm and side-reactions

    Final product types

    • Silicone fluids and oils for automotive and industrial use
    • Siloxane-based binders for construction sealants
    • Release agents for plastics processing
    • Waterproofing additives for building materials

    4. Functional Surface Treatment Agent (Silylation Reagent)

    Tetramethylsilane is a recognized silylation agent for imparting hydrophobic properties to inorganic surfaces in glass fiber production and ceramics. Surface engineers integrate it to generate a dense methylsilane layer, modifying surface tension and improving downstream resin compatibility. Treatment uniformity and batch repeatability link closely to pretreated substrate moisture level, temperature, and gas-vapor distribution. We offer trace moisture-controlled grades and scalable supply for continuous and batch coating operations.

    Industry compliance standards

    • ASTM C1569 for Glass Fiber Sizing and Surface Treatment
    • ISO 1043–4 for Silylated Material Identification in Composites
    • OSHA regulations for vapor handling and workplace exposure (29 CFR 1910)
    • RoHS compliance for downstream electronic applications

    Typical usage ratio

    • Concentration 2–10% by volume in carrier gas for inline vapor deposition
    • Adjust process time and precursor loading according to required contact angle and glass or ceramic batch size

    Downstream process integration

    • Incorporation in offline or conveyorized vapor treatment chambers before composite molding or polymer impregnation
    • Application via automated fume hoods, spray towers, or roll-to-roll coating lines
    • QC validation by surface wettability and chromatographic silane quantification

    Final product types

    • Hydrophobic glass fiber mats for resin-reinforced composites
    • Silyl-functionalized ceramic substrates for specialty filter media
    • Anti-corrosive coatings for construction-grade steel
    • Surface-modified fillers for high-voltage electrical insulation
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    Certification & Compliance
    More Introduction

    Tetramethylsilane: Crafted at the Heart of Precision Chemical Manufacturing

    Understanding Tetramethylsilane from a Manufacturer’s Workbench

    Every batch of Tetramethylsilane that leaves our facility reflects not just a chemical formula, but years of refinement in silicon-based synthesis. As direct manufacturers, we know the chain of hands rarely matters as much to customers as the actual process integrity inside our walls, but understanding how TMS comes together reveals why quality gaps emerge between sources. Our daily responsibility includes calibrating every blend, monitoring the most minor impurities, and ensuring the gas phase consistency remains reliable for NMR users worldwide.

    TMS, with its molecular structure—one silicon center and four methyl groups—delivers a unique volatility and inertness. We keep the methyl-silicon environment pristine, as even trace contaminants disrupt analytical accuracy. Many researchers see Tetramethylsilane simply as an NMR reference; we see the labor that goes into ensuring every lot delivers the same sharp, single peak in proton NMR, batch after batch. Customers expect nothing less when downstream results rest on our upstream diligence.

    Specification Details Shaped by Practical Lab Needs

    The market often sees model numbers and grades presented without context. In practice, we pursue both high-purity and stability, which shape our offering. Typically, for NMR internal referencing, Tetramethylsilane needs a purity above 99.9%. We run GC and NMR checks batchwise—not out of marketing habit, but because organic trace levels shift with handling or storage. TMS absorbs moisture quickly; even a small lapse in bottling protocol affects downstream chemistry. Our teams analyze headspace gases, check for non-volatile residue, and make sure every container seals with minimal atmospheric exchange.

    It’s tempting for intermediaries to treat TMS as a commodity, but in practice, storage history changes product behavior just as sharply as original assay. If the chain of custody includes unnecessary temperature cycling, the final liquid can include silanol or higher polysiloxanes—awful for spectrum clarity. As manufacturers, we keep a rigorous chain log and active monitoring until the cap closes on the shipping line. That’s the difference between straight-from-factory experience and a warehouse shuffle.

    We manufacture Tetramethylsilane in several packaging options, most commonly in stainless steel cylinders and amber glass to minimize decomposition under light and environmental humidity. Volume offerings usually start at milliliter scale for lab consumption but scale up to larger drums under nitrogen for larger industrial applications. Each vessel goes through pressure, leak, and purity checks. Experience teaches us that a single unnoticed minute leak in TMS, especially in a hot or humid zone, ruins whole shipments.

    How Practical Uses Shape Manufacturing Decisions

    Most people meet Tetramethylsilane during NMR analysis, not at the production site. Yet our work affects every measured shift in a laboratory. The zero point on the NMR spectrum isn't just a chemical property, it's a record of how cleanly and confidently we can deliver the compound. If there’s background noise, it traces back to how we separated, purified, and handled the TMS—not to luck.

    Our major customers operate analytical labs, research bodies, or industrial facilities needing extreme reference reproducibility. If a batch of TMS slips below threshold purity or includes hint-level acidic impurities, it skews spectra and whittles away the trust chemists put in core measurements. We've seen how one compromised delivery can disrupt weeks of research, or invalidate quality control in pharmaceuticals. Manufacturing Tetramethylsilane means knowing each lot affects dozens or hundreds of downstream results. Our in-house analytics go beyond public quality standards because we've seen how small lapses ripple through a supply chain.

    Beyond NMR, some clients use TMS in silicon-based material research, as a silicon source for specialty coatings, or as a precursor for plasma processes. Each application brings a specific sensitivity: coating researchers care about volatility and combustion byproducts, plasma users track decomposition residues. Whenever a new application lands on our desks, we work directly with engineers or chemists to tweak lot attributes—tuning storage, shipment atmosphere, or adding handling precautions not listed in generic data sheets.

    Close relationships only develop from repeated cycles of feedback and improvement. We don’t just take orders; we host plant visits, share real analytics, and invite researchers into our labs. Sometimes this means holding off on shipping a lot because we see a pressure drift or a color shift under UV that might signal an out-of-norm product. The practical use cases tell us where to reinforce quality, and ongoing conversations with users push us to raise internal standards.

    What Sets Manufacturing Direct Apart from Trading Sourcing

    We’ve fielded many questions from customers who’ve encountered inconsistency or performance issues with Tetramethylsilane from other sources. As factory staff, we’ve noticed the difference comes down to the relationship with the original chemist. Bulk traders and third-party resellers often source from multiple plants, sometimes mixing lots or re-bottling without full reagent monitoring. We draw clear lines against this approach in our process.

    Instead, our operators manage a closed loop. Synthesis runs happen in dedicated reactors—never as a side product of polysiloxane synthesis, so we avoid residue and cross-contamination. Tank cleaning logs and dedicated filling lines let us isolate every batch’s history. This isn’t just for paperwork; one stray batch of hexamethyldisiloxane in the system sets pure TMS off-track. Every single time we catch a customer mentioning odd boiling points or spectrum noise tied to outside product, our past records suggest upstream blending or improper cleaning.

    The sense of accountability tightens when you realize a missed impurity puts your entire brand, and that of your customer, on the line. That’s why our staff stay invested all the way through tank washing, distillation, and final packaging.

    We often get asked why the “same” grade TMS can show different shelf behavior shipped from a distributor versus directly from a manufacturer. Experience tells us the culprit is almost always the handling between synthesis and end-use. While a centralized chemical warehouse may offer lower up-front costs, that location rarely handles or stores TMS in the high-pressure, carefully-dried environment needed to keep moisture out. We ship under nitrogen, lock transport temperature parameters, and track handling times tightly, because any missed variable shows up downstream as haze, clouding, or unwanted reactivity.

    The difference in model or lot numbers is not just paperwork. Each series denotes tracked process conditions. A change in catalyst, material source, or storage duration blocks us from arbitrarily lumping together different outputs under a single order. We explain to clients that each code ties to a full run log, and if an issue ever arises—even years down the supply chain—we pinpoint origin and details with full transparency. By contrast, non-manufacturer channels rarely carry such history.

    Supporting High-Precision Industries with Tailored Tetramethylsilane

    Pharmaceutical companies, advanced material developers, and analytical chemistry labs trust manufacturers to deliver on consistency and documented control. Our facility interfaces directly with QA teams, handles regulatory audits, and sustains end-to-end supply records. The pressure is real. We bear responsibility not only for every molecule synthesized but for how those molecules contribute to clinical data accuracy, regulatory filing, and new material development.

    Each customer faces different environmental, regulatory, and analytical demands. Some require extended shelf life under dry atmosphere, others need expanded certificate of analysis details or assurance of residue-free packaging. We adjust synthesis cycles and packaging protocols to meet those requirements, sometimes running additional drying or higher vacuum distillation when a particular project demands higher assurance. Decades of feedback have taught us where product tweaks protect the end-use without sacrificing manufacturability or stability.

    Direct feedback from end users teaches us where product detail matters most. For example, a precision NMR laboratory working on trace-level impurities in pharmaceutical compounds cannot tolerate the faintest hint of ethanol or siloxane in TMS, even below industry-standard assay limits. Industrial scale users need consistent volatility and no batch-to-batch drift in boiling range. This means extra investment from our side, especially in high-throughput seasons, but maintaining customer trust means more than basic pass/fail tests.

    Because we work hand-in-glove with industrial quality teams, we approach every complaint and suggestion as a route to long-term improvement. Solving one site’s detection of low-level impurity leads to new protocols, which then improve product for the wider market. We recognize “good enough” only goes so far—the highest standards set by one customer often become tomorrow’s default for the industry.

    Troubleshooting and Solving Practical Problems with Tetramethylsilane

    Years on the manufacturing floor taught us that the devil lies in the details—the sound of vacuum pumps during distillation, the clarity of finished product under bulb inspection, and the response of an analytical sample to storage humidity. Sometimes a lot that looks perfect by certificate reveals faults in field use, whether by errant reactivity or imperfect volatility. We investigate root causes in person, bringing batches back for review and actively retooling equipment schedule if issues re-emerge.

    Customers occasionally relay shelf life concerns or find subtle contamination that evades basic in-plant testing. We respond by ramping up internal monitoring, sometimes running small scale simulated shipments and storage to recreate client storage error pathways. By keeping open communication with researchers and industrial technicians, we catch problems before they spiral into costly shutdowns or missed project deadlines.

    Often, end users ask us to supply custom documentation or adopt new packaging to fit automated laboratory workflows. We respond by working side-by-side with automation engineers, ensuring valves, caps, and vessel dimensions fit automated handlers or robotic pipetting arms. This approach limits handling error risks and boosts analytic accuracy, since TMS is notoriously sensitive to cross-contamination when dispensed by hand.

    We never underestimate the value of real-world testing. Our own R&D group keeps a steady flow of Tetramethylsilane into ongoing in-house projects. These continuous trial runs reveal subtle flaws before large-scale customers ever see a problem in production. Our culture prizes the voices raising early warning signs, and we allocate resources to implement fixes swiftly rather than waiting for consensus.

    The Commitment Required to Maintain Top-Level Tetramethylsilane Quality

    Our approach to manufacturing Tetramethylsilane isn’t hands-off. Each team member, from shift chemists to logistics coordinators, knows that what leaves the plant must outperform generic competitors in every aspect—purity, stability, documentation, and safety. This compels us to adopt a mindset of continuous scrutiny: new impurity peaks, small physical changes, or storage event logs all trigger internal review cycles.

    We’ve learned from years of customer audits and regulatory visits that transparency isn’t a burden; it’s a resource. Sharing detailed batch records, making plant operations open to inspection, and acknowledging trouble spots has deepened our customer relationships instead of weakening them. Many of the longest-running collaborations we’ve formed started from a problem shared honestly and fixed with urgency and shared focus.

    Tetramethylsilane, for all its apparent simplicity as an NMR reference or silicon source, exposes limitations in chemical plant operation rigor, traceability, and flexibility. Our experience shows that manufacturing quality begins with robust planning but lives or dies in the steady execution of protocols and workflow discipline. Small decisions—like the grade of nitrogen used in blanketing tanks or turning away lots that nearly, but not quite, meet target purity—add up over the long haul.

    We back our Tetramethylsilane not just with internal benchmarks but with a motivation to deliver traceable, improvement-driven product every time. Technical support and analytical guidance pick up where plant operations leave off. When a customer signals a change in their own protocols, or faces a regulatory shift, we treat such developments not as interruptions, but as vital feedback. Every new regulatory update, analytical method advancement, or safety insight cycles back into our production and QA processes.

    Charting TMS Solutions for a Changing Chemical Landscape

    Global R&D does not stand still. As new analytical tools appear, and regulatory frameworks grow tougher about impurities and traceability, the expectations for even “routine” chemicals like Tetramethylsilane keep rising. Our lab has adapted over time to sharper impurity testing, finer batch control, and more rigorous container cleanliness. End-to-end dependability means more than just keeping assay above a published minimum—it reaches into after-sale guidance, documentation, and collaborative development with customers.

    Environmentally, TMS presents unique challenges—its volatility poses handling hazards, and its sensitivity to atmospheric moisture calls for smarter containment. Many up-and-coming researchers look to us not just to provide the compound, but also to advise on safe handling, waste management, and alternative packaging options that reduce workplace risk. Through partnership with academic and industrial labs alike, we refine not only our own processes but best practices for global deployment.

    Potential solutions to today’s practical challenges reflect methods honed in actual production. Shortening supply chains by supporting direct customer engagement cuts down storage and handling lapses. Investing in better pressure-controlled packaging, refining vacuum protocols, and doubling down on in-house analytics pays dividends in customer satisfaction and research outcomes. We invest in plant upgrades, new drying agents, and digital tracking to prevent errors before they touch product—a proactive path shaped by years of field experience.

    Reflections on Tetramethylsilane’s Place in Modern Chemistry

    Working directly with Tetramethylsilane connects our team to the day-to-day reality of researchers and industry innovators. We share the load of precise measurement, analytical clarity, and the push to outpace yesterday’s limits. Every successful shipment and every resolved hiccup strengthens the network of trust between manufacturers and end users.

    So, as a chemical manufacturer, we never view TMS as just a product or an order to fill. Each molecule represents responsibility—carried through lab benches, industrial plants, and regulatory desks the world over. Our business stands on the results our customers achieve and on the confidence we build lot-by-lot. Only with that outlook can we expect to set the standards that move chemistry forward.