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Silicon Tetraacetate

    • Product Name Silicon Tetraacetate
    • Alias Tetraacetoxysilane
    • Einecs 208-942-9
    • 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

    160843

    Chemicalname Silicon Tetraacetate
    Chemicalformula Si(OCOCH3)4
    Molecularweight 264.25 g/mol
    Appearance Colorless liquid
    Casnumber 4134-08-9
    Density 1.226 g/cm³
    Boilingpoint 274 °C
    Solubilityinwater Decomposes
    Refractiveindex 1.423
    Vaporpressure 0.175 mmHg at 25 °C
    Odor Pungent
    Stability Hydrolyzes in presence of water
    Flashpoint 129 °C

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

    Packing & Storage
    Packing Silicon Tetraacetate is packaged in a 100g amber glass bottle with a secure, leak-proof cap and clear hazard labeling.
    Shipping Silicon Tetraacetate should be shipped in tightly sealed containers, protected from moisture and extreme temperatures. It is classified as a hazardous material and must be handled according to relevant regulations. Transport by air, sea, or land requires appropriate labeling, safety documentation, and compliance with all applicable chemical transport guidelines.
    Storage Silicon tetraacetate should be stored in a cool, dry, and well-ventilated area, away from moisture, heat sources, and incompatible substances such as strong oxidizers or bases. Keep the container tightly closed and properly labeled. Use glass or chemically resistant containers to avoid reaction with packaging. Ensure storage is in a designated area for hazardous chemicals and follow all relevant safety protocols.
    Application of Silicon Tetraacetate

    Applications of Silicon Tetraacetate in Industrial Manufacturing

    As a direct manufacturer of silicon tetraacetate, we deliver this specialty silica precursor for precisely controlled applications in key industrial segments. The following scenarios highlight actual customer use cases, where our material drives advanced performance in downstream processes, underpinned by concrete regulatory frameworks, technical dosages, and established fabrication methods.

    1. Silica Sol–Gel Synthesis for Specialty Glasses

    Glass manufacturers utilize silicon tetraacetate as a functional silica source in sol–gel processes to achieve highly uniform, defect-minimized glass coatings and functionalized glass bodies. Technical teams select this raw material for its predictable hydrolysis and condensation profile, facilitating tight control over particle morphology and purity in applications demanding optical, electronic, or corrosion-resistant performance. Dosing and process parameters are regularly verified to comply with end-use and regional regulations.

    Industry compliance standards

    • ISO 3585 "Borosilicate Glass 3.3 – Properties"
    • ISO 9001:2015 Quality Management for Industrial Glass
    • REACH Regulation (EC) No 1907/2006 – Substances Registration
    • RoHS Directive 2011/65/EU for electronic glass products

    Typical usage ratio

    • 1–5 mol% of total silica precursor, adjusted to achieve target porosity, hydrolyzation rate, and physical homogeneity in the sol–gel matrix; technical teams modify the ratio depending on final optical clarity or mechanical strength requirements

    Downstream process integration

    • Integrated as a hydrolyzable silica monomer at the sol–gel initiation stage, usually pre-diluted with compatible solvents and catalyzed under controlled pH, preceding the aging and gelation steps

    Final product types

    • Anti-reflective glass coatings
    • Scratch-resistant architectural glass
    • Electronic substrate glass
    • Specialty optical lenses (e.g., telecommunication, laser systems)

    2. Silicate-Based Ceramic Binder Formulations

    Technical ceramics producers incorporate silicon tetraacetate as a non-aqueous, low-sodium silicate precursor for binder systems utilized in high-purity ceramic bodies and technical substrates. This approach minimizes the presence of alkali contaminants, which is critical in applications such as electronics, chemical reactors, and refractories. The addition ratio and processing conditions are tailored to achieve densification, dimensional stability, and chemical inertness, while passing independent quality audits and supplier qualification programs.

    Industry compliance standards

    • ASTM C21: Standard Test Methods for Chemical Analysis of Ceramic Whiteware Materials
    • IEC 60672: Ceramic and Glass Insulating Materials for Electrical Purposes
    • ISO/TS 16949: Quality management in automotive ceramics

    Typical usage ratio

    • Silicon tetraacetate accounts for 0.5–2.0 wt% of the total binder content, employed in formulations where contamination control takes precedence; higher loadings may be validated for dense or low-porosity components

    Downstream process integration

    • Dispersed into the binder formulation during initial mixing of ceramic slurries; undergoes subsequent thermal decomposition and silica network formation during firing, co-sintering, or hot pressing processes

    Final product types

    • Ceramic substrates for electronics and microelectronics
    • Chemical-resistant ceramic tiles
    • Specialty refractories for high-temperature processing
    • Ceramic matrix composite components

    3. Siloxane Coupling Agent Synthesis for Surface Modification

    Chemical synthesis groups and industrial formulators deploy silicon tetraacetate as a critical starting material in the production of functional siloxane coupling agents and silanization reagents. This route streamlines access to bespoke surface-active groups, such as amino, epoxy, or alkyl-modified silanes, enabling downstream manufacturers to tailor surface energy, reactivity, and adhesion characteristics of fillers, pigments, or polymer substrates. Compliance, dose, and process specifics remain central to R&D and scale-up batches for advanced material systems.

    Industry compliance standards

    • ISO 11469: Identification and Marking of Plastics Products
    • EN 13432: Packaging – Compostability of surface-modified products
    • FDA 21 CFR 177.2600 for indirect food contact (when applied as surface treatments for rubber and plastics)

    Typical usage ratio

    • Precursor concentration set at 1–10 mol% relative to the haloalkyl or amino functional compound, with final siloxane agent loading optimized by HPLC/GC analysis to support desired organofunctional density on the substrate

    Downstream process integration

    • Reacted in situ with co-reactants under controlled reflux or condensation, often utilizing base or acid catalysis; final siloxane agent is then used for post-treatment or in-line surface modification on fillers, pigments, fibrous reinforcements, or polymer pellets

    Final product types

    • Surface-treated mineral and inorganic fillers
    • Silane-crosslinked polymer resins
    • Adhesion promoters for coatings and composites
    • Functionalized glass and ceramic fibers for composites

    4. Precursors for High-Purity Silica Films in Microelectronics

    Fabrication lines in semiconductor and MEMS industries integrate silicon tetraacetate as a vapor phase or liquid precursor for controlled silica film growth by chemical vapor deposition (CVD) or atomic layer deposition (ALD). The selection of this high-purity material supports stringent criteria for film morphology, contamination control, and reproducibility at advanced feature nodes. Usage levels and supply chain qualification address both process fill targets and compliance with microelectronic material purity specifications.

    Industry compliance standards

    • SEMI C30: Specification for Silicon Dioxide Films
    • IPC-6012: Qualification and Performance Specification for Rigid Printed Boards
    • Cleanroom ISO 14644-1: Class 4 or better for integrated circuit manufacturing
    • RoHS, REACH regulations for electronic device components

    Typical usage ratio

    • Precursor volumetric flow or injection rate set at 0.1–2.0 sccm (standard cubic centimeters per minute) in CVD/ALD chamber, adjusted based on targeted film thickness, step coverage, and deposition kinetics; monitored via in-line thickness mapping and compositional analysis

    Downstream process integration

    • Introduced as a reactive feedstock during silica layer deposition in evacuated or low-pressure reactors, often co-injected with oxidizer gases; directly supports trench fill, inter-layer dielectric, or passivation stages of integrated circuit and wafer fabrication

    Final product types

    • Thin-film dielectrics for logic and memory integrated circuits
    • Wafer-level passivation coatings
    • Low-k and high-k insulator layers in advanced packaging
    • MEMS device structures with tailored surface properties

    5. Synthesis of Specialty Silica Gels for Analytical and Chromatography Applications

    Producers of high-purity silica gels for chromatographic and laboratory processes select silicon tetraacetate as a controllable silica source to fine-tune pore size distribution, surface chemistry, and particle morphology. Such specialty gels play a crucial role in preparative and analytical chromatographic separations, sample purification systems, and advanced sorbents, with rigorous batch traceability and compliance verified for each grade produced.

    Industry compliance standards

    • USP/NF (United States Pharmacopeia/National Formulary) for chromatographic supports
    • ISO 17025: General requirements for the competence of testing and calibration laboratories
    • GLP (Good Laboratory Practice) compliance for product qualification

    Typical usage ratio

    • Raw material loaded at 2–12 mol% of overall silica feed, finely tuned based on target pore size, specific surface area, and functional group density required by chromatography application; finalized via particle size and porosity testing

    Downstream process integration

    • Dosed into hydrolytic gelation vessels, followed by pH- and temperature-controlled condensation; downstream drying, calcination, and particle fractionation produce the final granular or monolithic silica gel forms

    Final product types

    • Column packing materials for HPLC or GC analysis
    • Preparative chromatography gels for fine chemicals
    • Desiccant and separation-grade adsorbents
    • Laboratory purification media for pharmaceuticals and biotech operations
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    Certification & Compliance
    More Introduction

    Introducing Silicon Tetraacetate: An Experienced Manufacturer’s Perspective

    The Role of Silicon Tetraacetate in Chemical Synthesis

    For those of us in the business of making fine chemicals, quality always starts long before glassware hits the bench. Silicon tetraacetate, produced at our facilities, proves its worth every week in the lab, pilot plant, and full-scale operations. This compound, with the formula Si(OCOCH3)4, promises predictable behavior where chemists and engineers crave reliability. Across years of production, our teams have learned which specifications and batch characteristics really matter in day-to-day application.

    Silicon tetraacetate differs from more common silicon compounds like tetraethyl orthosilicate or silicon tetrachloride. Its mild reactivity offers chemists more control during organosilicon syntheses, especially where optical clarity, uniform films, or precise hydrolysis rates make or break a run. Unlike the aggressive hydrolysis and byproducts seen in chlorosilanes, the acetate groups hydrolyze gently, reducing unwanted side reactions. This subtlety appeals not just to academic researchers but to our industrial partners who cannot afford surprises in scale-up.

    Our Approach to Manufacturing: Purity, Process, and Application Knowledge

    Day in and day out, our batch reactors and purification systems turn out silicon tetraacetate that matches the cleanest standards for analytical, electronic, and specialty coatings work. Most of our output comes in liquid form, clear and practically colorless, with minimal residual acetic acid. Analysts on our line test every batch for silicon content, water, and trace metallic impurities. These checks stem not just from paperwork but from troubleshooting real-world uses. Nothing highlights product quality quite like watching a customer’s thin-film application work in production without clogging, streaking, or haze.

    We’ve found that batch-to-batch consistency in the refractive index signals much about the integrity of the molecule. Impurities here change curing rates or compromise adhesion. There’s a direct link between trace water content and shelf life—a small point, until you’re filling dozens of high-precision ampoules for a demanding electronics customer. Our daily practice is guided by feedback, field failures, and the “what really works” experience that comes from handling kilograms at a time.

    Main Uses: From Precision Glass to Emerging Fields

    Most inquiries for silicon tetraacetate come from scientists seeking silicon dioxide films, sol-gel precursors, or specialty glass modifiers. In sol-gel chemistry, our material hydrolyzes smoothly, forming silica networks with minimal shrinkage or cracking. This means coatings emerge clear and even—one of the small satisfactions that come from weeks of careful drying and curing. In research, chemists prize the acetoxy groups for their selectivity during the synthesis of functionalized silanes. Electronics manufacturers turn to our tetraacetate when they need dense oxide layers free from alkali contamination.

    Silicon tetraacetate also finds trust among those working on optical waveguides, specialty ceramics, and surface modification of particles and fibers. Whenever high transparency across the visible spectrum is non-negotiable, this compound delivers. It leaves behind a clean silicon oxide residue and volatile acetic acid on pyrolysis—a trait that gives designers more certainty about end-use purity. Anyone fabricating gradient refractive index optics or formulating low-defect dielectric coatings sees real benefits when process reproducibility counts.

    Why Silicon Tetraacetate Over Other Silanes?

    Choosing between silanes often comes down to two things: control and byproducts. Silicon tetraacetate behaves differently from the more familiar alkoxysilanes. Methoxysilanes and ethoxysilanes, for instance, hydrolyze sharply and release alcohols that linger in the process stream. This rapid reaction suits bulk silica formation but introduces variability in coatings, electronics, and encapsulation. By contrast, our tetraacetate’s slower, predictable hydrolysis paves the way for thin films with fewer pinholes, lower internal stress, and greater adhesion to many substrates.

    The absence of halides sets silicon tetraacetate apart from silicon tetrachloride. There’s no release of hydrogen chloride, no risk of metal corrosion, and no extra purification steps to remove chloride contamination from sensitive substrates. Our technical team often works with customers who struggled for years with unpredictable byproducts or surface etching before switching. The results speak in lower failure rates and repeatable results cycle after cycle.

    Specifications That Matter Every Day

    End-users value different batch attributes based on their application needs. For those spinning fiber coatings, viscosity ensures uniform drawdown. For glass and lens manufacturers, the clarity of the precursor tells much about final haze. We produce our material with a practical range of densities and viscosities, checked for stability over time. Packaging follows strict moisture and oxygen control, down to custom-sealed ampoules and bulk drums under inert gas. Our site has solved more than one crisis where a client’s old stock failed to meet spec; shipment histories and retained samples help them trace the root cause fast.

    Our teams field regular questions about residual acetic acid, water, and trace metals. It’s common for researchers scaling up to find out too late that off-the-shelf silanes brought in alkali or transition metal contamination—throwing off sensors or laser components that respond to every ppm of impurity. In labs and on factory floors, reliable materials trim troubleshooting and production downtime. We invest in EU-compliant, REACH-certified supply chains and document every source and step. Customers across the globe have learned to ask about these details before they buy. With every batch, we show test results and batch history, not just a generic certificate.

    Process Experience: Realities of Handling and Use

    Years of shipping, storing, and dispensing silicon tetraacetate have shown us that small variations on the label add up. The liquid draws moisture from air more easily than many silanes, and we’ve seen drums degrade from tiny leaks in seals or valves. Our staff trains logistics partners face-to-face and walks facilities through labeling, handling, and shelf-life expectations. Drums and ampoules are filled in controlled rooms, and even minor design tweaks—in cap materials or liner types—came from fixing field complaints and customer returns. Shipping regulations for silicon compounds change now and then, and our safety staff stays in step to avoid late surprises or missed deadlines.

    In the lab, silicon tetraacetate’s moderate volatility surprises first-time users. Without proper ventilation or containment, fumes build up and deposit acetate residues where you don’t want them. We recommend secondary containment for bottles-in-use, and every package comes with a production run code for full traceability. Disposal questions come up often; our experts offer guidelines based on years of compliant waste management, emphasizing safe hydrolysis and neutralization.

    Supporting Advanced Research and Industry Evolution

    Customers tackling cutting-edge projects—such as silicon nanostructures, advanced dielectrics, or low-temperature processed films—bring in new challenges. Our R&D chemists collaborate directly with university labs and emerging tech entrepreneurs. Off-spec samples enable method development, while custom-packed material helps partners pilot new processes without worrying about surprise impurities or supply gaps. Our technical team treats every inquiry as an opportunity to improve, drawing on in-house knowledge of the material’s quirks and limits.

    Across specialized projects, we see genuine excitement about silicon tetraacetate’s flexibility. Teams work on printable electronics, spin-on glass, and next-generation optical assemblies all using this trusted feedstock. Its lower reactivity empowers researchers to tune sol-gel parameters at the pace dictated by data, not by pressure from runaway reactions. New applications emerge every year—from flexible displays to energy conversion—keeping us focused on ensuring consistent, transparent quality.

    Continuous Improvement: Lessons Learned on the Manufacturing Line

    We operate in a business where shortcuts don’t stay secret for long. Minor shifts in raw material sourcing, even changes between lots of acetic anhydride, can tip off sensitive applications. Every deviation triggers a review—sometimes slowing output, but always protecting trust in the marketplace. Operators and shift supervisors keep records stretching back years, including details that never make it into marketing brochures. Feedback loops with customers drive our process improvements and shape the training given to new hires.

    Quality control comes from stubborn experience more than from slides or slogans. We check viscosity and silicon content for every lot, and if any value drifts outside of our historical norms, production pauses. Ensuring reproducibility means rejecting more batches than we ever ship, but those safeguarded jobs at the lab bench and on the production line show up in the fewest customer complaints or recalls. Some of our most loyal users first found us after a rival’s shortcut forced a painful shutdown; we see that trust as something to defend with every delivery.

    Silicon Tetraacetate in Today’s Chemical World

    Global markets move quickly—supply chain disruptions, regulatory pressure, and shifting research priorities all challenge our industry. Through all this, silicon tetraacetate remains a product where reliability and transparency separate real manufacturers from speculators. Raw material traceability, verified shelf life, and on-demand technical support matter more than buzzwords or claims. Our plant runs on actual demand, not speculative warehousing. We scale production only after confirming material draws and process compatibility in customer feedback, not just sales pitches.

    Today’s end-users expect more than just paperwork; they need fast technical answers, help with regulatory filings, and confidence in every container. We back claims about our product with open test data and hands-on support, ensuring that research and manufacturing both stay productive. Every bottle and drum reflects a chain of decisions made by those with skin in the game—from raw material buyers to reactor operators and QA staff.

    Differences You Can Measure: More Than Just Price or Purity

    We know buyers face pressure to justify every purchase on price sheets, especially in large projects. Cheap substitutes sometimes look similar on spec, but real-world use tells the difference. Inferior batches can show slight color, hints of particulate, or suspiciously variable reactivity. We encourage clients to share their batch performance data, using our decades of manufacturing logs as reference points for troubleshooting or process improvement.

    Those differences often turn up only after weeks of trial work. Thin films may crack unexpectedly, surface energy might shift, or glass batches show slight haze. Consistently pure silicon tetraacetate protects against costly troubleshooting, project delays, and wasted effort. We have watched customers return after disappointing experiences elsewhere, seeking the blend of technical know-how and quality assurance they need to hit project targets.

    Supporting Responsible Manufacturing and Sustainable Use

    Environmental and occupational safety enters every decision about both production and supply. Our processes capture and recycle acetic acid and minimize emissions. Waste streams undergo in-house treatment, and spent silica is kept from landfill wherever feasible. Regulatory compliance isn’t an afterthought; it shapes day-to-day operations, right down to recordkeeping on fill lines and loading docks. By keeping batch sizes flexible and managing supply to match demand, we avoid unnecessary waste and minimize surprises.

    Safe handling information goes out with every shipment, updated as regulations or customer expectations evolve. Technical support teams work directly with procurement and HSE staff to answer questions about exposure limits, hazard communication, and preferred disposal routes—all based on our own plant’s experiences as much as the published literature. Through regular audits and staff training, we build good habits and minimize accidents.

    Commitment to Customer Success in Every Batch

    Long-term experience manufacturing silicon tetraacetate has shown us what works, what doesn’t, and how to address everyday reality on the shop floor and in scaling up research. We stand by our technical understanding, built by troubleshooting failures and sharing successes with users around the globe. Every batch sent from our site passes the scrutiny of those with years invested in making processes work, not just checking boxes. Whether the need centers on custom packaging, batch-specific testing, or simply answers to a process riddle that stumps competitors, our door remains open.

    Silicon tetraacetate continues to carve out a strong role in precision chemistry, electronics, and advanced materials innovation. Through close connection with those who use it daily, we deliver more than a product—we supply a workflow partner that justifies its place in your project at every step. That shared experience across the industry and laboratory bench drives our ongoing commitment to quality, transparency, and real-world support.