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Benzyltrimethylsilane

    • Product Name Benzyltrimethylsilane
    • Alias Benzyltrimethylsilane
    • Einecs 241-196-6
    • 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

    221736

    Chemicalname Benzyltrimethylsilane
    Casnumber 768-33-2
    Molecularformula C10H16Si
    Molecularweight 164.32 g/mol
    Appearance Colorless liquid
    Density 0.854 g/cm³
    Boilingpoint 196-198 °C
    Meltingpoint -54 °C
    Flashpoint 68 °C
    Refractiveindex 1.500
    Solubility Insoluble in water
    Smiles C[Si](C)(C)Cc1ccccc1

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

    Packing & Storage
    Packing Benzyltrimethylsilane is supplied in a 25-gram amber glass bottle with a blue screw cap and tamper-evident seal, labeled clearly.
    Shipping Benzyltrimethylsilane should be shipped in tightly sealed containers under an inert atmosphere, such as nitrogen, to prevent hydrolysis or oxidation. Package in accordance with local and international regulations for the transportation of chemicals. Handle with care, avoiding exposure to moisture, heat, and incompatible substances during transit to ensure safety and material integrity.
    Storage Benzyltrimethylsilane should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as oxidizers and acids. Keep the container tightly closed and protect it from moisture and direct sunlight. Use a chemical storage cabinet if available, and ensure proper labeling. Follow all relevant safety regulations for flammable organic compounds.
    Application of Benzyltrimethylsilane

    Applications of Benzyltrimethylsilane in Industrial Manufacturing

    Benzyltrimethylsilane serves as a high-value intermediate and functional additive in specialized industrial sectors. Our manufacturing expertise ensures the delivery of consistent, high-purity material for advanced production workflows. Below are core downstream applications where this compound has established technical and commercial adoption.

    1. Electronic-Grade Silicon Precursor for Semiconductor Fabrication

    Benzyltrimethylsilane is used as an organosilicon precursor in advanced semiconductor manufacturing, contributing silicon content during chemical vapor deposition (CVD) and atomic layer deposition (ALD) of dielectric and barrier layers. Its controlled decomposition and low carbon contamination profile suit sub-10 nm node production, enabling precise film engineering by device foundries. Integration occurs in high-vacuum, cleanroom environments where minimal impurities determine electronic yield.

    Industry compliance standards

    • SEMI C58-0611 (Specifications for Silicon Precursors)
    • IPC-6012F (Qualification and Performance for Printed Boards)
    • ISO 14644-1 (Cleanroom Classification)
    • RoHS Directive (2011/65/EU) for hazardous substances

    Typical usage ratio

    • Utilized in feed gas mixtures with a partial pressure ratio of 0.5–2% relative to carrier inert gases, precisely adjusted depending on target film thickness and device architecture.

    Downstream process integration

    • Introduced in the precursor delivery system for LPCVD/ALD chambers; controlled flow assures uniform silicon incorporation during thin film deposition on wafer surfaces.

    Final product types

    • High-density integrated circuits (ICs)
    • Microelectromechanical systems (MEMS) devices
    • Advanced logic and memory chips
    • Semiconductor sensors

    2. Custom Organosilicon Synthesis for Pharmaceutical Research

    Medicinal chemistry labs use benzyltrimethylsilane as an organosilicon building block, particularly for introducing the trimethylsilyl group via nucleophilic substitution or palladium-catalyzed coupling. Its reactivity profile allows the generation of silylated precursors, which enhance stability and modulate pharmacokinetic properties prior to further derivatization or deprotection steps in API development. Strict quality and documentation requirements apply throughout synthesis routes.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • 21 CFR Part 210/211 (US FDA cGMP)
    • Ph. Eur. 5.10 (Contaminants and Impurities)
    • USP General Chapter <461> (Organic Volatile Impurities)

    Typical usage ratio

    • 0.1–2.0 equivalents per desired silylation reaction, often adjusted up to stoichiometric excess in moisture-sensitive or large-scale pilot runs for improved conversion yield.

    Downstream process integration

    • Added during early-stage organosilicon intermediate synthesis—reaction monitored and controlled via in-process QC for residual silane, with subsequent removal downstream as required.

    Final product types

    • Research-scale active pharmaceutical ingredient (API) intermediates
    • Silyl-protected bioactive molecules
    • Reference standards for structure-activity relationship (SAR) studies
    • Custom reagents for clinical candidate development

    3. Hydrophobic Surface Modifier in Silicone Resin Composites

    Benzyltrimethylsilane functions as a hydrophobic end-capper and surface modifier in advanced silicone resin formulations. When incorporated during the polymer end-capping stage, it introduces stable, non-polar trimethylsilyl groups enhancing water repellency and anti-soiling performance. Industrial users configure silane addition according to polymer chain reactivity and final coating properties for electronics potting, conformal coatings, and weather-resistant composites.

    Industry compliance standards

    • UL 94 (Flammability Testing of Plastic Materials)
    • IEC 61249-2-21 (Halogen-Free Materials Specification)
    • ISO 9001 (Quality Management for Production Processes)
    • REACH Regulation (EC) No 1907/2006 (Chemical Safety in EU)

    Typical usage ratio

    • 0.05–0.3% by weight relative to siloxane backbone; exact proportion varies based on polymer molecular weight and targeted hydrophobicity measured by contact angle tests.

    Downstream process integration

    • Blended into silicone resin mixture at the end-capping step under inert and moisture-controlled conditions, followed by thermal curing and crosslinking in composite casting or coating lines.

    Final product types

    • Electronics conformal coatings
    • Protective potting materials for sensitive circuits
    • Weather-resistant industrial sealants
    • Hydrophobic treated plastics and laminates

    4. Synthetic Route Intermediate for Advanced Agrochemical Discovery

    Chemical developers utilize benzyltrimethylsilane as a niche synthon for preparing silicon-containing heterocycles and protective groups in agrochemical active ingredient synthesis. Stable silyl intermediates facilitate complex multi-step transformations by providing temporary protection for sensitive functional groups or enabling silicon-directed organic transformations. All operations are documented to meet agrochemical approval frameworks for environmental and worker safety.

    Industry compliance standards

    • OECD Principles of Good Laboratory Practice (GLP)
    • ISO 17025 (Requirements for Testing and Calibration Laboratories)
    • FAO Specifications for Pesticide Technical Material
    • EPA 40 CFR Part 160 (US GLP Standards for Pesticide Chemicals)

    Typical usage ratio

    • Applied at 0.5–1.5 molar equivalents as required in target synthetic steps; excess may be used to drive full conversion in protection–deprotection workflows.

    Downstream process integration

    • Incorporated selectively in the early or intermediate phases of agrochemical R&D synthesis, with product isolation via chromatography and subsequent hydrolysis or transformation as prescribed for the end compound.

    Final product types

    • Silicon-modified herbicide candidates
    • Protected intermediates for pest-control actives
    • Reference compounds for regulatory toxicology datasets
    • Analytical standards for process optimization in agrochemical labs

    5. Functional Group Introduction in Optoelectronic Polymer Manufacturing

    Benzyltrimethylsilane is selected for controlled silylation of aromatic and heteroaromatic systems in optoelectronic polymer precursor synthesis. Its non-polar character and reliable reactivity under mild conditions allow tuning of polymer backbone solubility, glass transition temperature, and film-forming behavior used for organic LEDs (OLEDs) and photonic coatings. All procedures comply with electronic-grade cleanliness requirements to minimize electronic trap densities.

    Industry compliance standards

    • JEDEC JESD625 (Handling of Electrostatic Discharge Sensitive Devices)
    • IPC-4101D (Specification for Base Materials for Printed Boards)
    • ISO 9001 (Quality Management in Electronic Manufacturing)
    • IECQ QC 080000 (Hazardous Substance Process Management System)

    Typical usage ratio

    • Employed within 0.1–0.8 mmol per 1 mmol of functional monomer, tailored to desired degree of substitution and polymer end-use requirements.

    Downstream process integration

    • Introduced at the silylation step of monomer synthesis, followed by polymerization under anhydrous conditions; final material processed into thin films by solution casting or spin-coating in ESD-controlled environments.

    Final product types

    • Organic light-emitting diode (OLED) materials
    • Photonic polymer waveguides
    • Flexible optoelectronic devices
    • Printable electronic inks
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    Certification & Compliance
    More Introduction

    Benzyltrimethylsilane: Manufacturing Perspective on a Versatile Organosilicon Compound

    Shaping Reliable Organic Synthesis with Benzyltrimethylsilane

    Benzyltrimethylsilane, recognized among chemists for its clear liquid form and characteristic organosilicon structure, brings consistent value to modern synthetic chemistry. Over the years in production, I have observed both excitement and challenges surrounding this compound, especially as organic synthesis demands greater selectivity and control. At the plant, each batch receives close attention from skilled operators. The signature structure—a benzyl group tethered to a silicon atom tri-substituted with methyl groups—sets this product apart from common trialkylsilanes or benzyl silanes with bulkier chains. Our process delivers a compound with high purity, limiting secondary silanization and unwanted by-products.

    Technical Profile Rooted in Experience

    Managing the upstream reaction, we prioritize controlled methylation using clean reagents and moisture exclusion. Moisture, even in trace amounts, disrupts the product and complicates handling for research chemists and manufacturers. We engineer each step—purify intermediates, monitor catalyst uptake, and distill the final product—so the silane remains clear and free from discoloration. Appearance matters, as customers rightfully associate clarity with quality and reliable product behavior.

    Years producing benzyltrimethylsilane reveal how subtle variations in elemental composition or storage conditions translate into downstream headaches: sluggish reactions, inconsistent yields, or impurities at scale-ups. Many newcomers overlook storage sensitivity; direct sunlight or a warm process bay can degrade organosilicon compounds. We focus on producing a robust product ready for diverse organic transformations, especially those relying on the clean transfer of the benzyl group, with silicon acting as a gentle yet effective leaving group.

    Why Benzyltrimethylsilane Matters in Synthesis

    Our customers run the spectrum: pharmaceutical researchers searching for clean protecting group strategies, agrochemical developers synthesizing novel intermediates, and materials scientists seeking unique surface modifications. In each case, the performance of benzyltrimethylsilane draws on the subtle balance between the reactive benzyl group and the steric protection offered by the three methyls. This combination allows selective transfer to electrophiles or engagement in cross-coupling without the aggressive reactivity—or instability—seen in some trimethylsilyl derivates.

    Synthetic teams in pharmaceutical labs often face molecules with multiple reactive sites. We have fielded requests to adapt our product for custom reactivity profiles—sometimes narrowing specifications or modifying batch scales to meet high-throughput demands. Our intimate knowledge of benzyltrimethylsilane’s behavior—thanks to hundreds of scale-ups under variable humidity and temperature—lets us offer guidance based on real failures and successes.

    Handling and Application: More Than Just a Reagent

    Handling benzyltrimethylsilane safely and efficiently requires respect for its low moisture tolerance and volatility. Our facilities invest in air-free handling and specialized containers. We’ve seen the cost of short cuts—oxidation or hydrolysis converts valuable product into a mixture impossible to purify at scale. Customers occasionally attempt repurposing generic containers, leading to contamination and unpredictable yield. This highlights the importance of fit-for-purpose packaging. The manufacturing floor keeps a sharp focus on cleanliness: we purge lines with inert gas, preheat vessels, and track each batch from raw material to delivery.

    Unlike larger silanes, benzyltrimethylsilane brings a unique footprint to bench chemistry and industrial flow. Its relative lack of bulk means it slips through compact spaces—ideal for reactions sensitive to steric hindrance. Researchers appreciate the straightforward downstream removal, as the silane group often departs cleanly, leaving behind minimal residue compared to heavier substituents like triphenylsilyl. In our experience, we consistently measure less by-product and tar formation—a notable advantage for any process engineer scaling up novel benzylic transformations.

    Comparisons in the Marketplace: Addressing Confusion and Clarity

    It’s easy to lump benzyltrimethylsilane in with other silylated reagents. Not all silyl groups behave in the same way. Bulkier variants block reaction sites, delaying couplings or driving unwanted isomerization. More reactive trimethylsilyl reagents release their fragments too easily under lab conditions, risking over-reaction or side-product formation. Benzyltrimethylsilane carves its niche with balanced reactivity: stable on the shelf, yet responsive under standard Lewis acid promotion or transition metal catalysis.

    As a manufacturer, the largest distinction from products like benzyltriethylsilane or benzyldimethylphenylsilane appears under process stress. Trimethyl groups offer less steric interference, so cleaner reactions become accessible. Reactions involving benzyltrimethylsilane yield simpler workups, reducing labor and solvent use. Customers interrogate this benefit most sharply during late-stage synthesis, where unexpected complexity inflates both development timelines and cost. Supply teams return for re-orders precisely because our process stability results in fewer surprises across different applications.

    We monitor structural analogs from other producers and field candid customer feedback. Time after time, practitioners mention less post-reaction clean-up and reproducible insertion of the benzyl motif. The combination of manageable reactivity and reliable clean-up matters deeply to those balancing regulatory filings and time-sensitive campaigns. We take pride in producing a silane that doesn’t act unpredictably across scales—from gram-scale medicinal chemistry to pilot production.

    Tangible Process Advantages

    Repeat customers value more than just paperwork conformity. They grow to trust a product when it consistently supports high-yield transformations. In the real world, bench chemists and process engineers rarely have the luxury of infinite optimization. Every hour spent troubleshooting means lost momentum and budget. Benzyltrimethylsilane, by virtue of its tailored manufacturing, helps reduce such risk. Its manageable boiling point suits standard distillation columns. Quality control teams chalk up fewer out-of-spec notifications. Transport teams spend less time with special handling, since our packaging protocols limit atmospheric exposure.

    One overlooked advantage—the limited olfactory footprint of benzyltrimethylsilane compared with some analogs—matters for personnel safety and satisfaction, especially during larger solvent extractions. Reduced residual flavor on surfaces and glassware also speeds up equipment turnaround, demonstrated repeatedly in our campaign operations. Indian and Chinese partners, working in harsher climates or with fluctuating utilities, report our material remains steadfast, a testament to both product consistency and our shipping procedures.

    Customers with downstream hydrogenolysis or cross-coupling routines gain improvement by selecting the right silane. Incorporating benzyltrimethylsilane allows more predictable removal of the silyl group when employing fluoride sources, acid, or transition metals. We’ve tracked increased throughput by switching from alternative silylating agents, especially in multi-step processes where bottlenecks spawn from incomplete desilylation or contamination with silicon oils.

    Regulatory, Environmental, and Safety Insights

    Meeting environmental standards and minimizing worker exposure cannot be side projects. Our compliance team works closely with production chemists to align every batch with the latest regulatory expectations. Benzyltrimethylsilane, being less volatile and toxic than many silicon analogs, rarely triggers workplace complaints or incident reports. In manufacturing, familiarity with behavior under fire—and in containment emergencies—makes site safety easier to maintain. Our emergency plans factor in real histories, like rare leaks or overfilled drums, minimizing risk for both staff and community neighbors.

    Years tackling waste stream management reveal benzyltrimethylsilane residues break down more cleanly during chemical incineration or solvent reclamation than agents based on longer or aromatic silane chains. This advantage translates into easier compliance, lower operational costs, and increased peace of mind for site managers. Customer sustainability surveys show a strong preference for materials with this proven behavior across disposal routes.

    The distinct absence of stubborn tar or gummy residues from our benzyltrimethylsilane simplifies equipment cleaning, letting us minimize aggressive solvents or high-energy mechanical scrubbing. Crews finish cleaning cycles faster, reducing downtime and secondary waste creation. The wider environmental push for greener chemistry aligns naturally with a compound that leaves a smaller operational footprint.

    Supporting Diverse End Uses—From Discovery to Scale-Up

    Customer feedback shapes our approach to continuous improvement. Researchers in life sciences often mention how our product enables gentle benzyl transfers onto heteroatoms—think oxygen, nitrogen, or sulfur—without damaging delicate frameworks. Such transformations underpin everything from advanced API intermediates to new agricultural actives. On the fine chemicals front, we see demand for robust silanes that deliver the same results at research and process scale—a difficult feat when working with nuanced surface chemistry.

    Our own R&D group harnesses benzyltrimethylsilane in trials for streamlined syntheses, stress-testing it against the alternatives. Lab notebooks fill with yields, workup ease, and chromatographic data, shaping each tweak in the production process. Failures prove just as instructive: early efforts to substitute triethyl variants, for instance, led to sluggish transformations and greater polymeric side-products. Every improvement reflects that hard-earned practical knowledge—insights unavailable in textbooks or spec sheets.

    Customers often require support integrating benzyltrimethylsilane into automated systems, or navigating scale-up from bench to pilot. Our technical partners consult regularly, sharing first-hand tips on dosing, mixing, and waste minimization. Collaborative troubleshooting becomes central: batch processors offer logistics views; purification specialists feed back on optimal solvent choices. Clear, candid dialog—grounded in real production events—bolsters mutual confidence and efficient problem-solving across company boundaries.

    The Business of Reliability

    Selling benzyltrimethylsilane isn’t just filling a market slot; it’s building long-term relationships based on trust, technical merit, and consistent performance. Our philosophy centers on tangible process knowledge. Somebody on the floor has likely pulled last-minute overnight shifts to troubleshoot crystallization, repack batch material, or recalibrate aging reactors.

    We respond to real frustrations—missed delivery windows, last-minute formulations, and unexpected impurities. These experiences shape our production milestones: frequent internal communication, tight-run batch records, and success sharing. Feedback loops run both directions. We flag questions if a returning customer needs new volumes, different packaging, or tailored shipment timelines.

    Every sales or support conversation rests on our day-to-day manufacturing familiarity. Rather than racing to undercut on price, we own responsibility for quality and reliability. That includes seasonally cross-checking raw materials, scheduling targeted preventive maintenance on critical pumps and columns, and pulling in external labs where special impurity profiles require deeper investigation. Our commitment keeps both production and R&D on track.

    Why Choice of Silane Truly Matters

    Benzyltrimethylsilane rarely commands headlines, but it quietly enables complex chemistry and routine manufacturing worldwide. Price per kilo matters, but repeat efficiency, regulatory harmony, and operational simplicity count for more in the long run. In the hands of practiced chemists, benzyltrimethylsilane supports transformations that heavier or more labile silanes complicate: it fits market needs where fine-tuned selectivity overrides brute reactivity.

    Process innovation constantly reshapes how benzyltrimethylsilane gets used—from continuous-flow reactors to micro-scale screening panels. Over the years, I have watched the industry shift: older, less benign silanes phased out, and more sustainable, user-friendly options like ours becoming standard. This evolution reflects not just chemical advances, but decisions made pipe-side, in R&D pilot lines, and in close consultation between the manufacturer and its community of users.

    Moving Forward Through Shared Progress

    Investment in skilled personnel, robust infrastructure, and agile communication networks pays continual dividends. Benzyltrimethylsilane users don’t just purchase a drum of liquid, they tap into a whole ecosystem—one that includes analytical resources, troubleshooting experience, and upstream-downstream logistics management. Our production team takes pride in their craft, still learning with every challenging order and custom solution.

    Sustainable chemistry isn’t built on wishful thinking; it depends on a relentless focus on detail and iterative improvement. Each batch brings new understanding. Our plant, shaped by a culture of safety, openness, and constant training, stands behind every shipment with a record of reliability and hard-earned expertise. This direct commitment to real-world results differentiates us, whether supplying gram quantities for academic projects or multi-ton shipments for pharmaceutical intermediates.

    Benzyltrimethylsilane’s value grows from such practical roots. As manufacturing science evolves, we will keep adapting, refining, and sharing knowledge with those driving chemical innovation in all sectors—never forgetting that every success starts with the integrity of our own process and our determination to meet real-world demands.