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1-Vinyl-3-Ethylimidazolium Tetrafluoroborate

    • Product Name 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate
    • Alias [VEIm][BF4]
    • Einecs 456-620-7
    • 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
    VTB
    Specifications

    HS Code

    327904

    Chemical Name 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate
    Cas Number 876474-37-4
    Molecular Formula C7H11BF4N2
    Molecular Weight 210.98
    Appearance Colorless to pale yellow liquid
    Melting Point -24 °C
    Boiling Point Decomposes before boiling
    Density 1.23 g/cm³ (at 20 °C)
    Solubility In Water Miscible
    Purity Typically ≥ 98%
    Refractive Index 1.426 (at 20 °C)
    Storage Conditions Store at room temperature, tightly closed, and protected from moisture

    As an accredited 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Sealed amber glass bottle containing 100 grams of 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate; features tamper-evident cap and safety labeling.
    Shipping 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate should be shipped in tightly sealed containers, protected from moisture and heat. It must comply with relevant chemical transport regulations, labeled as a potentially hazardous substance. Ensure the packaging prevents leaks and breakage, and include safety data sheets. Handle with proper personal protective equipment during shipping and handling.
    Storage 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate should be stored in a tightly sealed container, away from moisture and incompatible substances, in a cool, dry, and well-ventilated area. Protect from heat and direct sunlight. The storage area should be equipped to contain spills, with clearly labeled containers. Personal protective equipment should be used when handling the chemical to prevent skin and eye contact.
    Application of 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate

    Applications of 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate in Industrial Manufacturing

    1-Vinyl-3-ethylimidazolium tetrafluoroborate, a high-purity ionic liquid prepared at our facility, plays a critical role in a range of advanced manufacturing sectors. Our direct supply supports technical teams integrating this material across tailored process steps, ensuring compliance, formulation accuracy, and stable quality in industry-scale downstream workflows.

    1. Lithium Battery Electrolyte Modification

    Major lithium battery manufacturers integrate this ionic liquid as a functional electrolyte additive to improve thermal stability, electrochemical window, and cycle life. Blending occurs at the cell assembly stage, with dosing controlled by electrolyte engineering teams based on targeted conductivity and viscosity specifications for high-energy-density cells. Monitoring includes electrochemical impedance testing and accelerated aging trials to validate tolerance to elevated voltage and temperature, while maintaining safe handling and process traceability documentation for auditability.

    Industry compliance standards

    • IEC 62660-2:2018 (Secondary lithium-ion cells for the propulsion of electric road vehicles, reliability and abuse testing)
    • UN Manual of Tests and Criteria (Section 38.3, lithium batteries)
    • ISO 9001:2015 Quality Management System Certification

    Typical usage ratio

    • 5–20% w/w relative to base liquid electrolyte (EC/DMC/EMC/LiPF6 blend); adjusted by internal cell protocol, application temperature, and required voltage range

    Downstream process integration

    • Nitrogen-blanketed blending into electrolyte solution in a controlled atmosphere
    • Inline addition and mixing prior to electrolytic cell filling stage
    • Quality control via moisture, conductivity, and viscosity analysis after blending

    Final product types

    • Prismatic and pouch lithium-ion batteries
    • High-capacity cylindrical lithium-ion cells (18650, 21700)
    • Battery modules and packs for electric vehicles and stationary storage

    2. Copper Electrodeposition in Semiconductor Fabrication

    Semiconductor wafer fabs incorporate this ionic liquid in advanced copper electroplating baths to enhance metal ion solubility, suppress dendrites, and achieve extremely flat copper layers in high-aspect-ratio through-silicon vias (TSVs) and redistribution layer (RDL) applications. Real-time process tracking relies on electrolyte composition verification and bath lifetime extension studies, demanding rigorous raw material traceability and batch-specific certificate of analysis alignment with fab protocols.

    Industry compliance standards

    • SEMI F57-0912 (Specification for polymer components used in ultrapure water and liquid chemical distribution)
    • IATF 16949:2016 Automotive Quality Management Systems (for semiconductor suppliers in automotive market)
    • ISO 14001:2015 Environmental Management Systems

    Typical usage ratio

    • 2–10% v/v adjusted in mixed ionic/electrolyte baths; dosing based on via/trench dimensions and layer thickness requirements

    Downstream process integration

    • Blending into copper sulfate plating solution prior to metallization tank charging
    • Real-time dosing adjustment based on feedback from bath analysis systems
    • Filtration stages ensure no particulate contamination during application

    Final product types

    • Integrated circuit wafers featuring advanced copper interconnects
    • High-density fan-out wafer-level packages (FOWLPs)
    • Microprocessors and MEMS sensors for consumer electronics

    3. Cellulose Dissolution and Fiber Regeneration

    Leading companies producing regenerated cellulose fibers for specialty textiles and performance membranes use this ionic liquid as a direct, recyclable solvent for cellulose dissolution. The process enables low-temperature, closed-loop fiber spinning, with in-line solvent recovery systems and continuous monitoring for residuals and solvent strength. This non-derivatizing solvent route supports production of high-purity, low-residual eco-friendly fibers, drawing on comprehensive documentation for traceability and emissions compliance.

    Industry compliance standards

    • OEKO-TEX Standard 100 (Conformance for consumer safety and chemical residues in textiles)
    • ZDHC (Zero Discharge of Hazardous Chemicals) Manufacturing Restricted Substances List (MRSL)
    • ISO 9001:2015 Quality Management

    Typical usage ratio

    • 60–85% w/w as primary solvent in cellulose:solvent:water ratios (adjusted for pulp quality and viscosity targets)

    Downstream process integration

    • Charged into dissolution reactors with cellulose pulp
    • Dissolved cellulose solution (dope) extruded through spinnerets for fiber formation
    • Solvent recovery loops reclaim and purify ionic liquid after spinning

    Final product types

    • Regenerated cellulose staple fibers for high-performance textiles
    • Specialty fibers for filtration and battery separators
    • Cellulosic films for food contact and technical applications

    4. Homogeneous Catalysis for Olefin Polymerization

    Chemical synthesis operators integrate this ionic liquid as a non-volatile, non-coordinating solvent system in homogeneous catalysis, particularly for olefin polymerizations using late-transition metal catalysts. Stringent batch records track every input, and process engineers fine-tune dosing to optimize polymer chain growth and mitigate catalyst deactivation. Downstream, operators assess residual ionic liquid in final polymer product and solvent recycling rates in accordance with plant-specific process safety management plans and customer regulatory requirements.

    Industry compliance standards

    • REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals, EC 1907/2006) substance records for non-hazardous process solvents
    • ISO 9001:2015 and plant-level internal process control documentation
    • Responsible Care chemical management principles

    Typical usage ratio

    • 20–60% w/w as reaction medium relative to total charge (depending on catalyst type, monomer feed, and reactor scale)

    Downstream process integration

    • Charged directly to polymerization reactor as part or all of liquid phase
    • Supports in situ catalyst activation and polymer precipitation control
    • Recovered and purified for reuse after reaction completion

    Final product types

    • High molecular weight polyolefins with controlled architectures
    • Specialty elastomers for automotive and industrial parts
    • Block copolymers with advanced performance properties

    5. Electrochemical Device Prototyping and R&D

    Academic and industrial research laboratories select this ionic liquid for development of advanced electrochemical systems, including supercapacitors, redox flow batteries, and electrosynthesis cells. Lab-scale formulations test conductivity, electrochemical window, and viscosity under various voltage and temperature profiles. Researchers follow rigorous handling guidelines and document all raw material lot numbers for reproducibility in peer-reviewed studies and intellectual property filings.

    Industry compliance standards

    • GLP (Good Laboratory Practice) for research reproducibility
    • ISO 17025:2017 General requirements for the competence of testing and calibration laboratories
    • Lab-specific hazard communication protocols (aligned with GHS)

    Typical usage ratio

    • 10–100% v/v as primary electrolyte or in blends, depending on prototype architecture and research objectives

    Downstream process integration

    • Measured into cell assembly or test rig under controlled environment
    • Paired with electrodes and reference standards for device validation
    • Residual analysis after test cycle to evaluate decomposition products

    Final product types

    • Prototype supercapacitor and flow battery cells
    • Lab-scale electrosynthetic cells for process screening
    • Reference cell data for patent and journal submission

    6. Green Extraction of Metals from E-Waste

    Specialized recycling facilities incorporate this ionic liquid in hydrometallurgical processes for selective and environmentally responsible recovery of rare metals (Au, Ag, Pd) from printed circuit boards and other electronic scrap. Process engineers adjust solvent ratios to optimize metal dissolution and facilitate subsequent selective extraction, followed by solvent recovery and purification for economic efficiency and regulatory compliance with waste management protocols. Inline monitoring confirms purity and recovery yield during continuous flow operations.

    Industry compliance standards

    • Basel Convention norms for hazardous waste processing and recovery
    • ISO 14001:2015 Environmental Management Systems
    • National/local regulations for electronic waste streams (e.g. EU WEEE Directive, 2012/19/EU)

    Typical usage ratio

    • 30–80% w/w in aqueous-organic extraction mixtures, tailored to metal content and process scale

    Downstream process integration

    • Contacted directly with shredded e-waste material in reactor
    • Phase separation and back-extraction recover target metals
    • Ionic liquid purified after use for closed-loop operations

    Final product types

    • Refined gold, silver, and palladium bullion
    • High-purity metal salts for catalyst and electronics use
    • Processed non-hazardous residue materials compliant with landfill regulations
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    Certification & Compliance
    More Introduction

    1-Vinyl-3-Ethylimidazolium Tetrafluoroborate: Chemical Precision for Progressive Science

    Understanding Our 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate—Direct From the Manufacturing Floor

    Our experience on the production floor has taught us a lot about ionic liquids, especially 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate. Years of hands-on work have revealed just how much small differences—real differences, not abstract ones—change what a chemist gets in the final bottle. Reliability and reproducibility matter for research, and with this compound, the details in synthesis, purity, and handling make all the difference. At the most basic level, we’re looking at a clear, colorless to pale yellow liquid, viscosity and density that holds up to the application, and purity standards closely monitored every batch.

    Working with imidazolium-based ionic liquids hasn’t always been straightforward. As a manufacturer, we learned where typical problem spots hide—not just water content, but trace impurities, residual starting material, even the time and temperature for vacuum stripping that affect final quality. What sets 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate apart isn’t only its structure, but the way it’s put together and finished. Each lot here undergoes not just KF titration for water, but NMR for chemical structure confirmation—experience tells us that one without the other causes more headaches later. Our chemists demand consistency, whether they’re using it in electrochemical cells, high-temperature polymerizations, or as a green solvent for catalysis. We see these needs firsthand—purity variations can mean failed electrodes or side products that slow down pilot-scale reactions.

    Why This Compound Has a Place in Modern Chemistry

    Our team started making 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate for researchers exploring safer solvent systems and new electrolyte blends. Trends in organic synthesis and energy storage started driving demand, because this ionic liquid offers high thermal stability, low volatility, and a unique vinyl group ready for further reactions. As a manufacturer, we’ve heard from polymer scientists and battery researchers who describe their struggles with less robust materials—decomposition, evaporation, and unpredictable impurities can stall development for weeks. By supplying 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate with high chemical purity, free-flowing and moisture-controlled, we address these issues before the bottle even reaches the customer.

    We monitor the water content tightly, since ionic liquids are notorious for picking up ambient moisture, which changes conductivity and sometimes even shifts yields in subsequent chemistry. The tetrafluoroborate anion also has a track record for providing just enough stability—enough to handle harsher reaction conditions, but without adding reactive halides or larger, more unwieldy counterions that might complicate downstream separations. Over time, we found that customers value the ability to move directly from storage to synthesis without extra drying steps, and our investment in controlled-atmosphere filling and packaging reduces risks during delivery, too.

    Practical Advantages Over Related Ionic Liquids

    It’s tempting to treat all imidazolium ionic liquids as interchangeable. Practical work tells a different story. The vinyl group in 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate gives a direct handle for polymerization and derivatization, unlike basic ethyl or methyl imidazolium species that lack this reactive site. Some customers want ionic transport for batteries, others look for selective dissolution of organic and inorganic compounds. The presence of both vinyl and ethyl groups in the cation tunes viscosity and offers a unique combination of solubility and electrochemical window. It’s this blend of properties—again, grounded in what actually comes out of the synthesis tanks—that our clients rely on.

    We tried handling other ionic liquids in the same settings earlier in our manufacturing history and faced two persistent issues: increased color formation during storage, and a higher propensity to hydrolyze under stress. 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate delivers a stable salt profile, minimal color change, and doesn’t form persistent byproducts as rapidly as analogous chlorides or bromides. The tetrafluoroborate provides good ionic conductivity—critical for supercapacitor and electroplating work—while resisting the side reactions more common with PF6 or large alkyl substituents. This level of reliability matters when recipes need to scale from grams in the lab to kilograms for industrial applications.

    Particular Applications and Learning From Our Clients

    Our customers dictate the way we tune our process and packaging. Some use the liquid in controlled radical polymerizations, exploiting the double bond for incorporation into polymer backbones. Others reach for the compound in electrochemical research, taking advantage of its wide liquid range and compatibility with lithium and transition metal salts. Over the years, we’ve received feedback about its role as a solvent for difficult metathesis reactions, a matrix in spectroscopic studies, and as a medium for extracting and purifying rare earths. Each of these uses has shown us why purity really matters at the bench—trace water may look harmless, but it can change conductivity by orders of magnitude, or reduce lifetime in cycle tests for batteries.

    Rather than handling a generic, one-size-fits-all product, we instituted a process that tailors batch size and delivery form to what the research community actually does. Researchers tell us about the challenges of storing ionic liquids—absorption of atmospheric CO2 and water, risk of glass etching, contamination from plasticizers. To reduce those hazards, our lines bottle directly from an argon-filled glovebox, with containers flame-sealed or induction-sealed according to the sensitivity required. All this cuts down on the guesswork that researchers face, offering instead a ready-to-use material whose composition matches what the label promises.

    Constant Evolution in Specifications—Driven by Real-World Demands

    Specifications for product quality aren’t just words on a certificate for us. Decades ago, the drive was on mass-produced salt quality. Now, trace-level demands have moved the baseline—water content, heavy metal content, total organic impurities, and NMR confirmation of structure down to low ppm levels. We track these parameters for 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate carefully, using both vendor-verified reagents and isolation from atmospheric exposure from the first stage of synthesis onward. The choice of synthesis route also impacts residual halide and organic solvent content, so we monitor chromatography profiles, not just simple melting point or titration numbers.

    Customers in research, especially pharma and electronics, require batch-level validation—including lot-specific NMR and MS spectra upon request. Scaling up from grams to kilograms means more than just running a bigger reaction. Getting the same purity at a hundredfold scale pushed us to reengineer our drying and filtration systems and test the effect on chemical stability at every step. Our chemists rethink container compatibility every delivery cycle—glass works for most orders, but for long-term storage or highly sensitive work, we deploy fluoropolymer bottles to virtually eliminate extractables.

    Compared With Other Ionic Liquids—Real Differences, Not Just Data Sheet Rows

    The field of ionic liquids is crowded with similar-sounding materials. We know which small differences lie beneath the surface; customers have taught us by returning material with slight tints or unexpected performance dips. Compared to popular choices like 1-butyl-3-methylimidazolium tetrafluoroborate, our 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate sits in a sweet spot: lower viscosity than longer-chain variants, better handling for high-precision electrochemical analysis, and a window for further chemical modification that’s absent in non-vinyl systems. These aren’t theoretical distinctions—they show up in smoother pump operation, faster mixing during lab work, and more consistent polymerization initiations in real-world practice.

    Some researchers have tried related phosphonium or ammonium ionic liquids. Those options sometimes offer high-temperature stability, but lack the range of compatibility with organic functional groups brought by the imidazolium core. The vinyl handle on our compound not just broadens its usability, it actually increases the ability for site-specific cross-linking and tethering during advanced materials work. Over the years, we’ve tuned our process specifically to ensure that this reactive site stays available, free of capping or side products that would silently lower performance.

    The Importance of Data Integrity and Consistency—A Manufacturer’s Responsibility

    Data from our plant floor supports the real differences in performance seen by researchers and industrial users alike. Each batch is fully traceable, with documented provenance for every starting material. We learned quickly that ionic liquids attract scrutiny for purity—customers run their own tests and regularly identify inconsistencies that stem from upstream errors at other facilities. Early on, small missteps like incomplete drying or poorly controlled temperature ramps led to off-color or off-specification batches, with all the headaches and loss of trust that come from sending back material. We’ve put in redundancies: independent review of analytical results, persistent monitoring during storage, and real-time checks that water content remains within narrow bands.

    Research-grade chemicals live or die on the credibility of the data behind them. Information about specific lot analysis—NMR, HRMS, Karl Fischer titration—travels with shipments and forms a feedback loop when customer labs report anomalous results. We take that feedback seriously; event logs and trending data from reactors help us troubleshoot in real time, with immediate changes to process conditions when patterns appear. No matter how big or small the run, the goal remains absolute: every user receives the precise product they expect, with a level of transparency and technical backup that makes experimental setbacks rare.

    Logistics and Packaging—Lessons Learned With Every Shipment

    Decades shipping air-sensitive chemicals have made us obsessive about the little things: flame-sealing, double-bagging, vapor barriers, and package tracking that alerts customers before transit delays affect sensitive material. We see how shipment routes—even humidity variations on long flights—change what eventually pours into the flask. Many times, standard packaging wasn’t enough, so we redefined our protocols: argon backfilling on every lot, use of specialty liners, and clear labeling with storage recommendations. We hear from repeat customers that even small details—anti-static bottles, secondary containment, and full chain-of-custody records—save time and eliminate disruptions.

    Ionic liquids don’t play by the same rules as traditional organic solvents or salts. Our firsthand experience includes dozens of troubleshooting calls, from lid seals improperly tightened to temperature excursions in remote warehouses. As the manufacturer, we know shipment days are stressful for the labs relying on perfectly consistent supply, so we work closely with our logistics partners, anticipate customs holdups, and always keep batch reserves for immediate reshipment.

    Listening Brings Growth—Refining Through Direct Feedback

    Direct relationships with labs—not intermediaries—shape what we do next. We hear about failed reactions, unplanned delays, and even unanticipated successes using 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate in creative new syntheses. This feedback alters our batch release criteria and even leads to process improvements: extra vacuum purification, new filtration stages, alternative packaging. Each suggestion, compliment or critique updates our internal protocols and pushes consistency even further. By keeping all technical support in-house and rooted in our actual process documents, we avoid the generic, hands-off approach seen too often in commodity supply chains.

    Every manufacturing run builds on what came before. Real details accumulate: finding the best source of precursor chemicals, tracking lot-to-lot variation not only internally, but through hands-on retesting, and identifying which post-processing steps truly impact long-term stability. Custom requests come in—whether for ultra-dry, custom-labeled, or even small customizations in anion content. As the manufacturer, we welcome that chance to innovate rather than backpedal, because we know future clients are looking for not only high-purity material, but dependable support from the original source.

    Industry Trends—How 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate Meets Modern Demands

    Trends in green chemistry, sustainable solvents, and safer electrochemical systems push us to revisit every assumption from raw material choice to downstream disposal. Labs press for new standards not only in purity, but recyclability and reduced environmental impact. 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate emerges as a strong option: recyclable under many standard protocols, stable against thermal decomposition, and flowing easily even at room temperature. Its structure resists breakdown compared to more basic salts, and our plant controls each unit operation to conserve energy while preventing byproduct accumulation.

    On the user side, feedback reveals the need for quick dissolution in polar and nonpolar phases, low volatility during scale-up, and chemical inertia even in demanding environments. Our process meets these by incorporating continuous monitoring at endpoints, immediate feedback from analytical labs, and a willingness to adjust conditions mid-stream rather than only at the end of production. This manufacturer-led agility gets products into hands with less delay, reduces the need for downstream purification at the research bench, and makes rapid iteration possible for our partners.

    Responsible Stewardship—What We Owe Our Clients and the Wider Community

    Our responsibility goes beyond filling bottles and shipping barrels—traceability, transparency, and open communication form the backbone of our approach. As ionic liquids become more common, every producer faces scrutiny about the long-term safety and environmental footprint. We provide clear storage and disposal guidance for researchers and engineer every step to minimize hazard exposure without adding unnecessary regulatory barriers. We engage directly with regulators on safe transport and packaging, while sharing analytical observations that help the whole industry move forward.

    Recent years have shown that manufacturers are held to ever higher standards for quality, both in product chemistry and reliability of service. We invest in constant training, update our equipment proactively, and listen carefully for any early signals that something could be improved. Long before a researcher gets our 1-Vinyl-3-Ethylimidazolium Tetrafluoroborate, our own teams have asked every tough question, seeking not the easiest path, but the right one. Each lot reflects this hard work, this constant learning, and the deep accountability that marks effective chemical manufacturing.