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HS Code |
566397 |
| Chemical Name | Vinyltrichlorosilane |
| Synonyms | Trichloro(ethenyl)silane; Trichlorovinylsilane |
| Cas Number | 75-94-5 |
| Molecular Formula | C2H3Cl3Si |
| Molar Mass | 161.49 g/mol |
| Appearance | Colorless to yellowish liquid |
| Boiling Point | 91-92°C |
| Density | 1.176 g/mL at 25°C |
| Flammability | Highly flammable |
| Solubility | Reacts violently with water |
| Refractive Index | 1.421-1.425 |
| Vapor Pressure | 98 mmHg at 25°C |
| Stability | Stabilized to inhibit polymerization |
As an accredited Vinyltrichlorosilane [Stabilized] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Vinyltrichlorosilane [Stabilized], 500 mL, is packaged in a dark amber glass bottle with a secure, leak-proof cap. |
| Shipping | Vinyltrichlorosilane [Stabilized] should be shipped in tightly sealed containers under dry, inert conditions to prevent contact with moisture. It is classified as a hazardous material; comply with regulations for flammable liquids and corrosives. Use appropriate labeling, secondary containment, and ensure ventilation during transport to minimize risk of exposure or reaction. |
| Storage | Vinyltrichlorosilane [Stabilized] should be stored in a cool, dry, well-ventilated area away from moisture and incompatible substances such as strong oxidizers and acids. Keep the container tightly closed and clearly labeled. Store away from heat, sparks, and open flames. Use only approved containers and keep away from direct sunlight. Handle under inert atmosphere if possible to prevent hydrolysis and hazardous reactions. |
Applications of Vinyltrichlorosilane [Stabilized] in Industrial ManufacturingVinyltrichlorosilane [Stabilized] plays a crucial role as a specialty silane in a range of industrial manufacturing sectors, where its vinyl and trichlorosilyl reactivity delivers process-specific performance improvements. As a direct producer, we supply material grades that meet the high regulatory expectations and functional requirements of these specialized applications, supporting advanced production methods and consistent end-use product quality. 1. Cross-linking Agent for Silicone Rubber CompoundingDownstream silicone elastomer manufacturers utilize Vinyltrichlorosilane [Stabilized] to promote cross-linking reactions during peroxide or platinum-catalyzed curing, increasing mechanical strength and heat resistance in molded and extruded silicone parts. The silane’s ability to react with both silicone polymer chains and inorganic fillers is integral for achieving target performance profiles in technical rubber goods. Industry compliance standards
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2. Surface Modification for Glass Fiber ReinforcementGlass fiber producers incorporate Vinyltrichlorosilane [Stabilized] in the fiber sizing process to modify the surface, introducing reactive vinyl groups that covalently bond with thermoset resin matrices during composite fabrication. This silane treatment directly improves fiber-matrix adhesion, producing higher tensile, interfacial, and impact properties in finished composite materials used in demanding structural applications. Industry compliance standards
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3. Precursor for Sol-Gel Functional CoatingsCoatings formulators incorporate Vinyltrichlorosilane [Stabilized] as a reactive silane precursor in sol-gel synthesis processes, enabling controlled network formation of siloxane-based protective coatings on metal, glass, ceramic, or polymer surfaces. The silane’s hydrolyzable chloride groups translate to strong chemical anchoring and tunable cross-linking density, vital for durable, abrasion-resistant, or hydrophobic functional layers. Industry compliance standards
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4. Silyl-Functional Resin Synthesis for Adhesives & SealantsSpecialty adhesive and sealant manufacturers use Vinyltrichlorosilane [Stabilized] as a silane monomer to synthesize silylated polymers and resins. These resins set via moisture-curing mechanisms, where the vinyl and trichlorosilyl groups enable cross-link formation and adhesion to mineral surfaces, making the silane an essential component for formulating high-performance construction and industrial adhesives. Industry compliance standards
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5. Modifier for Diverse Organosilicon Intermediate SynthesisChemical synthesis plants deploy Vinyltrichlorosilane [Stabilized] as a key organosilicon intermediate in the manufacture of functional silane coupling agents and customized silicone monomers. The raw material’s combination of vinyl reactivity and trichlorosilyl hydrolyzability supports downstream modification steps — including hydrosilylation, co-polymerization, and controlled hydrolysis — for advanced compound production serving diverse technologies. Industry compliance standards
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Producing vinyltrichlorosilane [stabilized] at scale takes careful control at every step because chlorine-based silanes aren’t known for a forgiving temperament. In large-volume manufacturing, even a small mistake can leave you with a batch that won’t meet downstream specs or, worse, risks unwanted reactivity. From our many years working with chlorosilanes, this vinyl-functional variety repeatedly proves itself for its ability to bond organic and inorganic worlds, serving as a building block for hundreds of more complex silicone and polymer applications.
We run a model that strikes the right balance of reactivity and shelf stability. The stabilized grade offers added shipment and storage security thanks to the presence of a chemical stabilizer that helps manage hydrolysis and premature degradation. Water, even in trace amounts, remains the enemy; we run tight moisture control in every vessel and keep transfer lines dry to preserve vinyltrichlorosilane’s character. What results is a product clear in color, near the density of other light chlorosilanes, and carries a purity above 97 percent—so you can use it in demanding synthesis scenarios without worrying about side reactions from contaminants.
Spec sheets on paper rarely capture how easily you can lose value in silane purification and isolation. We keep impurities in check by distilling under inert gas and limiting storage time. Experience teaches that storage tanks lined with certain alloys last longer, reducing iron-related impurities and halting polymerization hot spots. These are small tweaks that take years to optimize—a benefit apparent in our reproducible batch results.
Vinyltrichlorosilane [stabilized] gets its appeal from the combination of a vinyl group and a trichlorosilane core. The trichlorosilane fragment reacts rapidly with nucleophiles—hydroxyl-rich surfaces or water. This allows it to anchor covalently to glass, ceramics, metals, and even natural materials, creating ultra-thin adhesion layers. The vinyl handle remains available for grafting new organic groups, turning this molecule into a bridge for advanced siloxane networks, resins, and composites.
In the field, our customers apply it to help build up custom coatings that resist wear or impart hydrophobic behavior to equipment, parts, or fabrics. It supports advancements in electronics where insulation and thermal stability matter, helping assemble next-generation circuit materials with lower failure rates. Research groups favor the stabilized grade because it tolerates preparatory delays, holding up without yellowing or losing critical functionality, especially under lighting or moderate heat conditions.
A stabilized chlorosilane holds up in transit better than unstabilized versions, especially across variable climates. That doesn’t mean it’s safe to handle casually: fumes are still irritating and any hint of water in lines, containers, or pumps wastes product. We fill containers under dry nitrogen and seal drums promptly. Decades of chemical engineering have gone into minimizing emissions during filling and blending.
Not all stabilizers work equally. Some bring down reactivity too far, which can stymie polymerization reactions or slow surface modification steps. We select our stabilization package for minimal interference in end-use processes but enough protection to prevent runaway hydrogen chloride evolution during transfer and bottling. Shipping stabilized vinyltrichlorosilane reduces end-user risk and lessens reject rates when opening delivered lots.
Compared to the simpler methyltrichlorosilane, the vinyl variant brings a double bond into play. Those double bonds open new polymer and cross-linking routes, giving chemists and engineers more design versatility. In blending labs, users can attach custom anchors, reinforcing groups, or performance additives to the vinyl moiety using standard free-radical, cationic, or hydrosilylation conditions. This flexibility speeds up R&D cycles, letting innovators test functionalized surfaces or specialty elastomers in quick succession.
We have produced both stabilized and non-stabilized silane grades for decades. Non-stabilized products move faster in direct addition reactions but sacrifice shelf life—requiring just-in-time logistics or immediate use after receipt. Stabilized forms prevent caking and low-level gassing in storage, leading to higher safe yields and eliminating as many off-spec batches. For those scaling up from grams to tons, or for customers with unpredictable consumption cycles, stabilized grades often represent the clearest path to steady results.
Our first years making this silane were no smooth ride. Early on, batches stored under unlined steel led to browning and rapid gel formation. Unfiltered nitrogen introduced microscopic water droplets, promoting silent hydrolysis each time a drum was filled. Minor recurrent deviations cost entire lots, and those lessons still guide every tank and pipe we build.
Routine moisture mapping—checked every shift—still protects production. During every scaling run, we purge lines with dry inert gas and monitor vapor-phase water. Our best batches consistently hit chemical and visual purity targets because we impose no shortcuts, even when economic pressures mount. It pays off when feedback returns: users process our vinyltrichlorosilane [stabilized] with less fuss, reporting clockwork reaction rates and reliable downstream yields.
Our facility sits near key sources for silicon, chlorine, and vinyl precursors, supporting uninterrupted output. Long-term supplier agreements and close coordination with logistics help keep stock available, even during raw material slowdowns. Sudden demand spikes prove less disruptive because our forward planning covers not only inventory, but also the technical support for packing, labeling, and specialist transport.
Some specifiers in the coatings and advanced composites industries demand documentation going back through every precursor, not only for compliance but for end-user confidence. We operate sample retention and batch tracking protocols exceeding regional standards. If questions arise, technicians access production, shipment, and quality records going back years, supporting audits and new certifications worldwide.
The stabilization chemistry only serves its purpose with full staff buy-in. It’s not just a checklist step. Teams walk through warm-zone storage, test cask seals, and monitor temperature swings in holding areas. Training doesn’t end after onboarding—annual safety reviews and refresher courses reinforce the direct link between diligence and product reliability.
Compared to ethyltrichlorosilane or propyltrichlorosilane, the vinyltrichlorosilane [stabilized] brings extra synthetic flexibility. That double bond, though small by weight, lets users create advanced copolymers, cross-linked networks, and functionalized surfaces that other alkyl silanes can’t match. For large-area glass, metal, or ceramic modification, the energy barrier for vinyl group grafting is lower than for longer alkyl chains, simplifying pilot and mass production.
Some customers try swapping in cheaper methyl or ethyl grades for pilot work, only to find finished product fails accelerated aging or chemical resistance testing. Vinyltrichlorosilane's reactive group enables faster and more efficient bond formation, especially with unsaturated co-monomers or resin systems sensitive to side-chain length and polarity. The stabilized version lets research and manufacturing groups buy in larger lots without drop-off in performance, leading to lower per-unit costs over time.
In applications like silicone rubber, wire and cable coatings, specialty adhesives, or advanced ORMOCER synthesis, vinyltrichlorosilane [stabilized] supports broader performance windows and end-use conditions. Rather than settling for a standard chlorosilane’s linear reactivity, this variant offers targeted modification and custom surface properties—opening new commercial opportunities whether users pursue incremental improvements or step-change innovation.
Handling chlorinated chemicals responsibly stands as one of our core operating values. We invest significantly in closed-system transfer, fume treatment, and spent container reconditioning. Old flaring or open-drum practices no longer pass muster; we collect off-gas for neutralization, minimizing environmental footprint and protecting worker health.
Customers increasingly request details about cradle-to-grave management—from energy inputs to waste outputs. We pursue lower-waste synthesis routes when possible, participating in local and international forums to keep our environmental controls ahead of legal minimums. We also welcome customer audits—a clear sign that market standards for transparency and stewardship keep rising.
Continuous improvement extends to energy use and reusability. In the last five years, we cut process energy intensity per unit of vinyltrichlorosilane [stabilized] by optimizing distillation cycles, insulated storage, and in-line monitoring systems. This pays dividends for customers, not just as a selling point but as proof that responsible chemistry and competitive manufacturing now go hand in hand.
Many customers use this product as the key functional silane for modifying silica, quartz, or alumina fillers in plastics and rubbers. By anchoring the vinyl group to the filler surface, better compatibility with organic polymer matrices results, improving dispersion, tensile properties, and heat resistance. Electronics firms treat glass cloth, fiber, or wafer substrates with vinyltrichlorosilane [stabilized] to boost adhesion before applying next-generation resins or photoresists.
Some applications demand a tailored approach. Performance coatings for marine or energy installations see exposure to rapid cycling, salt spray, and chemical washdowns. The stabilized product resists premature gelation, even in humid production spaces, allowing batch coatings to proceed without the crop of defects that cheaper, non-stabilized import alternatives often cause. Users processing tens or hundreds of kilograms at a time praise the consistent results, especially where regulatory agency audits or long qualification cycles add pressure.
Research collaborations with universities and startups yield new uses each year—from improved anti-fog coatings on glass, to coupling agents for lithium-ion battery electrodes, to seed surface treatments in sustainable agriculture. The stabilized nature of our product gives experimenters a longer window to optimize conditions, scale up, or adjust downstream components before hardening or decomposition set in.
From our earliest batches, direct handling of chlorosilanes has shaped our training programs. Stringent PPE, active ventilation, and full staff education cut incident rates far below industry averages. Any operation running silanes needs clear procedures for spills, container leaks, or small fires. New hires see both written guides and hands-on mentoring, learning to respect not only the product but also the systems around it.
We take pride in having no lost-time incidents connected with vinyltrichlorosilane [stabilized] across thousands of man-hours. Emergency response plans get rehearsed and plenty of time goes into drills for containment, vapor handling, and communication with local responders. Staff and supervisors alike know that daily habits—a wiped flange or a properly crimped seal—make the critical difference in keeping product, people, and environment safe.
Because stabilized grades slow unwanted reactions, staff enjoys an added safety buffer. Reduced off-gassing and surface crusting translate to fewer urgent maintenance shutdowns and more predictable tank cleaning cycles. But there’s no substitute for vigilant engineering controls and a culture built around prevention. These principles shape our real-world improvements year after year.
Over the last decade, end users have grown more exacting about traceability, certification, and proof of performance. We engage in regular dialogue with formulators, QC labs, and implementation teams in related industries. This feedback shapes each cycle of process improvement: tighter moisture management, automated impurity screening, and collaborative research on improved stabilization systems.
The market no longer rewards generic or commoditized silanes. Customers want evidence that each delivered drum matches not just a minimum standard but their specific, sometimes shifting, end-use requirements. We remain available to troubleshoot reaction upsets, suggest optimized dosing or mixing methods, and facilitate scale-up trials with our stabilized solution.
We also keep a close eye on emerging regulations governing chlorosilane shipping, labeling, and emergency planning. By maintaining open lines to peers, scientific institutions, and regulatory consultants, we spot changes early and move to adjust processes before they become last resorts. Our team attends and presents at both regional and global trade meetings, staying sharp on scientific, technical, and compliance changes.
We view every drum leaving our gates not as a mere commodity, but as the output of hundreds of hours of skilled labor, continuous learning, and stepwise technical evolution. Each user relies not just on our chemistry, but on our commitment to ongoing training, transparency, and customer collaboration. In practice, the stabilized solution saves time, reduces process interruptions, and supports demanding new R&D projects, whether in electronics, coatings, plastics, or surface science.
Producing vinyltrichlorosilane [stabilized] at reliable quality and scale doesn’t come from luck. It grows from perseverance, continual field learning, support for employee expertise, and a willingness to invest when others might cut corners. This approach shapes every batch, every improvement, and every partnership we create in the extended network of modern silicon chemistry.
Those who work with chlorosilanes know there are no shortcuts to consistent performance. We remain committed to delivering a stabilized vinyltrichlorosilane that helps innovators and established manufacturers alike push the boundaries of their fields. Feedback, shared discoveries, and a relentless drive for betterment steer us forward. We welcome every challenge—and every opportunity—to prove our product’s worth and our team’s dependability year after year.