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Methyl Trioctyl Ammonium Tetrafluoroborate

    • Product Name Methyl Trioctyl Ammonium Tetrafluoroborate
    • Alias Aliquat 336 BF4
    • Einecs 620-498-7
    • 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

    674150

    Chemical Name Methyl Trioctyl Ammonium Tetrafluoroborate
    Cas Number 36879-19-7
    Molecular Formula C25H54BF4N
    Molecular Weight 475.50 g/mol
    Appearance Colorless to pale yellow liquid
    Solubility In Water Low
    Density Approximately 0.9 g/cm3
    Storage Conditions Store in a cool, dry place; keep container tightly closed
    Purity Typically ≥98%
    Synonyms Aliquat 336 BF4, Methyltrioctylammonium tetrafluoroborate
    Hazard Classification Irritant; harmful if swallowed
    Applications Phase-transfer catalyst, ionic liquid, solvent extraction
    Stability Stable under recommended storage conditions

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

    Packing & Storage
    Packing 500g of Methyl Trioctyl Ammonium Tetrafluoroborate is supplied in a sealed, amber glass bottle with tamper-evident cap and labeling.
    Shipping Methyl Trioctyl Ammonium Tetrafluoroborate is shipped in tightly sealed, chemical-resistant containers to prevent moisture and contamination. It is transported as a hazardous chemical per applicable regulations, with labeling indicating its proper chemical name and hazard classification. Protective measures are taken to avoid exposure to incompatible substances during transit.
    Storage Methyl Trioctyl Ammonium Tetrafluoroborate should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from moisture, heat, and incompatible substances such as strong oxidizers. Protect from direct sunlight and sources of ignition. Store under inert atmosphere if possible. Ensure proper labeling, and keep out of reach of unauthorized personnel.
    Application of Methyl Trioctyl Ammonium Tetrafluoroborate

    Applications of Methyl Trioctyl Ammonium Tetrafluoroborate in Industrial Manufacturing

    We supply Methyl Trioctyl Ammonium Tetrafluoroborate (MTOTFB) to several advanced industrial sectors where highly specific ion exchange and selective extraction characteristics are critical to downstream process outcomes. The following scenarios detail established end-uses, manufacturing standards, recommended dosage, integration stages, and resulting final product types in the chemical industry.

    1. Hydrometallurgical Metal Extraction for Lithium Battery Materials

    MTOTFB plays a pivotal role as a phase-transfer catalyst and extractant in the liquid-liquid extraction of transition metals such as cobalt, nickel, and rare earths vital for cathode and anode material preparation in lithium battery supply chains. Its strong affinity for boron-containing anions improves metal separation efficiency from leachates in closed-loop recycling processes, leading to higher yield and purity in battery-grade materials.

    Industry compliance standards

    • IEC 62660-2 (Lithium-ion battery safety requirements)
    • ISO 9001:2015 (Quality management for battery material manufacturing)
    • UN 38.3 (Transport of lithium cells and batteries)
    • REACH Regulation (EC 1907/2006) on chemical substance handling

    Typical usage ratio

    • Recommended 0.2–1.5% w/w relative to processed ore or leachate; dosage optimizes based on target metal concentration and competing ions such as Fe, Mn, or Al.

    Downstream process integration

    • Direct introduction into solvent extraction mixer-settlers or continuous counter-current columns following acid leaching and solids separation; essential in the selective transfer phase before electrowinning or crystallization.

    Final product types

    • Battery-grade lithium carbonate, nickel sulfate, cobalt sulfate for NMC/NCA cathode production
    • High-purity rare earth compounds for electronic applications
    • Mixed metal sulfates for precursor supply to cell manufacturers

    2. Electrochemical Synthesis of Ionic Liquids and Salts

    As a quaternary ammonium-based ionic liquid precursor, MTOTFB serves in the synthesis of task-specific ionic liquids, supporting advanced electrolytes in supercapacitors and electroplating baths. Its controlled anion and cation pairing influence conductivity, viscosity, and electrochemical window, enabling reproducible deposition and energy storage characteristics.

    Industry compliance standards

    • IEC 62805 (Electrochemical capacitors production)
    • RoHS Directive (2011/65/EU) on hazardous substances in electronics
    • ISO 18362:2016 (Electroplated coatings quality)
    • REACH Annex XVII restrictions for ionic liquid composition

    Typical usage ratio

    • Typical addition at 3–10 mol% in starting mixture for ionic liquid formation; ratio depends on product molecular weight and target electrochemical properties.

    Downstream process integration

    • Added at precursor charging or metered dosing with other ionic liquid founding agents and tetrafluoroboric acid in stainless reactors under dry, inert conditions, followed by controlled purification sequences.

    Final product types

    • Electrolyte additives for supercapacitor and battery systems
    • Electroplating bath ionic liquids for gold, copper, and silver deposition
    • Functionalized ionic liquids for separations and catalysis

    3. Phase-Transfer Catalysis in Organic Synthesis

    In fine chemical and pharmaceutical intermediate synthesis, MTOTFB operates as a powerful phase-transfer catalyst (PTC) in biphasic systems where boron-fluorine moieties are critical in pharmaceutical building blocks or specialty monomers. Its hydrophobic alkyl structure ensures optimal interfacial transfer and reactivity under controlled reaction kinetics.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients manufacturing
    • US FDA CFR Title 21 Part 211 for cGMP
    • EN ISO 9001:2015 (Pharmaceutical intermediate manufacturing)
    • Kosher/Halal certification if required by end customer

    Typical usage ratio

    • Standard range 0.05–1.0 mol% relative to limiting substrate; adjusted according to substrate solvent polarity and desired reaction turnover frequency.

    Downstream process integration

    • Direct charging into jacketed glass lines or multipurpose reactors post-charge of aqueous/organic phases. Used in controlled temperature protocols (20–80°C) during halide exchange or anion metathesis steps.

    Final product types

    • Active pharmaceutical intermediates (APIs containing BF4− anions)
    • Fluorinated specialty monomers and organoboron reagents
    • Catalyst precursors for downstream polymerization

    4. High-Performance Electrolyte Formulation for Analytical Instrumentation

    MTOTFB acts as a conductivity enhancer and stabilizing agent in the formulation of nonaqueous electrolytes for potentiometric sensors, reference electrodes, and ion chromatography eluents. Its stability and low moisture sensitivity support calibration and analytical reproducibility in laboratory and process instrumentation manufacturing.

    Industry compliance standards

    • IEC 61010-1 (Laboratory instrumentation safety)
    • ISO 17025 (Testing and calibration laboratory accreditation)
    • DIN EN 61131 (Process control instrumentation)
    • Restriction of Chemicals (REACH) for analytical reagent production

    Typical usage ratio

    • Formulation at 0.3–2.0% w/v in solvent base; dictated by target cell resistance, analyte concentration, and background ionic strength control.

    Downstream process integration

    • Blended into prepared nonaqueous solvent systems under dry-room conditions before electrode filling, sensor encapsulation, or eluent bottling; used in calibration kit assembly and final QC.

    Final product types

    • Reference electrolyte solutions for pH and ion-selective electrodes
    • Eluents for ion chromatography and laboratory analyzers
    • Calibration standards for electrochemical sensors
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    Certification & Compliance
    More Introduction

    Methyl Trioctyl Ammonium Tetrafluoroborate: A Manufacturer’s Perspective

    Introduction from the Factory Floor

    Manufacturing chemicals every day gives a person a durable sense of what works and what feels like a step forward. Chemical plants don’t run on press releases or packaging promises—they run on compounds that meet their marks. Methyl Trioctyl Ammonium Tetrafluoroborate has become a staple in our production halls not because it sounds impressive, but because it does what we build it for, shift after shift. Our team started producing this salt after hearing frustration from end-users on purity gaps, handling challenges, and delays that slow research and scale-up. When you open a drum from our line, it’s been through the same hands and eyes that keep our own processes running clean.

    What Sets This Salt Apart

    People outside the industry think all salts with big organoammonium cations and exotic anions are interchangeable. Methyl Trioctyl Ammonium Tetrafluoroborate tells another story. The blend of amphiphilicity brought by three octyl groups attached to the ammonium center, plus the methyl group, delivers a unique solubility balance. The tetrafluoroborate counterion stabilizes ionic conductivity, giving this chemical its footing in organic–inorganic interface science.

    In the plant, we’ve learned that similar salts with different anions, like chloride or hexafluorophosphate, don’t hold the same resistance to hydrolytic breakdown and volatility in demanding synthesis or separation work. Competitive products can foul up equipment faster or force you to chase water content and decomposition issues. Anyone running repeated extractions or electrosynthesis notices the tighter performance from this tetrafluoroborate derivative.

    Consistency—From Synthesis to Drum

    Every batch starts in our synthesis unit with high care paid to reagent handling—octyl amine and methyl halides, processed under nitrogen. Any slip on stoichiometry or moisture content ripples through to the final salt. Workers at the reactor pay sharp attention to pressure and temperature readings, since lesser plants have been known to cut corners during phase transfer steps, leading to misidentified byproducts showing up on the product’s NMR profile.

    Before the product ever leaves the plant, routine sampling ensures low levels of residual water and halides. The salt emerges as an off-white to pale yellow powder, shifting slightly from batch to batch, but always well within specification for purity. Our spec for this material routinely targets over 99 percent on dry weight, because customers tell us lower purities clog membranes or gum up polar organic syntheses.

    Why Purity and Process Hygiene Matter

    On the job, even a trace of impurity can derail high-value reactions or spike background noise in electrochemical cells. Peers in battery manufacturing, phase transfer catalysis, and ionic liquid synthesis have called out competitors for introducing aldehyde or amine impurities that kill selectivity. We spin up extra purification and drying steps to hold our product below 500 ppm water, because several development chemists ran live trials that showed reaction rates flatline above this number.

    This level of purity is not only about pride or paperwork. It relates directly to surface-active behavior in extraction systems—users detect a difference in phase clarity and cation transfer efficiency when they switch from a lower tier tri-octyl ammonium product. Instruments don’t lie: improved ionic conductivity in test cells isn’t just a theoretical claim, it’s the result of digging in on analytics and incorporating end-user feedback.

    Real Uses—How Customers Build with Our Salt

    Why put this material through all this effort? Most customers aren’t using it as a desk ornament but as a workhorse in organic synthesis, separation sciences, and electrochemistry. Its three octyl chains furnish solubility in nonpolar organics, while the tetrafluoroborate ion keeps ionic strength high in polar media. One R&D group shifted to our salt after months of inconsistent results with other ammonium tetrafluoroborates—they saw cleaner phase interfaces in liquid–liquid extraction and less time wasted troubleshooting sludge in their separators.

    Battery makers appreciate its cation mobility and hydrolytic stability compared to quaternary ammonium salts containing more reactive counterions. We’ve seen it used directly as an electrolyte component in advanced batteries and supercapacitors where even a minor contamination could mean the difference between passing or failing safety qualification. Consulting with several industry partners uncovered that this salt’s broad electrochemical window opens new doors for experimentation in solvents prone to instability with other counterions.

    How Customers Compare Options

    Feedback from laboratories and production teams flows straight to our development crews. Many users try comparable salts, like Methyl Trioctyl Ammonium Chloride or Hexafluorophosphate variants. The chloride version typically offers lower cost, but frequently generates secondary reactions or leaves corrosive traces during long syntheses. The hexafluorophosphate form finds popularity but draws warnings over environmental persistence and higher reactivity with moisture.

    Choosing a quaternary ammonium compound should always factor in purity, longevity under use conditions, and background reactivity. Long-haul production workers report fewer breakdowns and less downtime switching to our salt, due in large part to rigorous physical and analytical controls maintained at every step. Small pilot lines running ion-pair extraction or trace metal recovery report less fouling and lower maintenance costs as a result.

    Insights from Daily Operations

    Many people ask why purity or careful counterion selection matters so much when “close” alternatives exist. As a manufacturer, we stand behind the notion that quality comes from paying attention at every link—from reagent supply chain to crystallization control, from drying protocol to double-sealed bulk packaging. Years in the field have taught us which layout details avoid contamination: dedicated glass lines, inert nitrogen sweep during filtering, exact pH monitoring, and a strict no-copper policy in final transfer equipment.

    We scaled up packaging protocols after discovering that even small leaks in drum storage would skew water content and threaten downstream processes. Nearly every plant worker has a story of seeing off-spec salt end up clogging a reactor or causing a full batch to reroute for rework. Problems on the production line become real when they hit the bottom line, so strict adherence to process controls isn’t just about the paperwork—it cuts costs in the end by slashing waste.

    Environmental and Handling Considerations

    Methyl Trioctyl Ammonium Tetrafluoroborate doesn’t match every application. Even though it stands out for low volatility and resistance to hydrolytic decay, proper handling keeps our operation safe. Each day, loading teams work under fume capture systems, wearing nitrile gloves and long sleeves, to avoid unnecessary direct contact. We run quarterly trainings highlighting what can happen if work rules slip, including cleaning protocols for spills and the need for covered storage to deter moisture uptake.

    Environmental responsibility means scrutinizing raw material sourcing and lifecycle impacts. We partner with suppliers offering full compliance documentation, select routes with lower solvent use, and incorporate feedback from environmental audits. Customers weighing trade-offs with other ionic liquids or salts consider potential environmental persistence, especially with alternative anions that can show up in waste streams in less regulated regions.

    Quality Assurance—Learning from Experience

    Every manufacturer carries stories about lessons learned from the field. A few years back, we ran into unexpected black spots on a finished batch. After extensive review, we traced the culprit to a single drum that arrived with non-standard gasket material. That error led to a company-wide fix—not just swapping out one drum, but reviewing all packaging vendors and their controls. These small missteps reinforce a mindset that continuous training and rigorous supplier vetting matters as much as reactor technology or lab instrumentation. Our most valuable improvements often surface from operator feedback after noticing out-of-spec product during a far-off packaging step.

    Quality on paper can’t replace real chemical know-how measured by hands-on results in the final application. Reliability is earned by keeping full vertical integration—from purchasing raw quaternary amines to final step moisture checks—under tightened in-house protocols. We hold back shipment on any drum that doesn’t pass our in-house NMR and Karl Fischer checks, no matter how tight the fulfillment schedule gets. Building this consistency isn’t just a point of pride; it’s the difference our partners value each time they order a lot.

    Addressing the Needs of Researchers and Industry

    Researchers trust chemical suppliers who listen and adapt. After direct conversations with extraction chemists, we shifted to finer fractionation steps in our drying process to curtail trace amine carryover. Pilot plant technicians requested bulk filling options to minimize transfer operations—so we rolled out direct-to-reactor transfer lines for custom runs. Our site chemists field direct calls about custom salt blends, including methyl and octyl group profile adjustments, and can deliver sample quantities for trials within days.

    Projects that start in the lab often scale rapidly. Transitioning from gram to kilogram lots brings new challenges in packaging, purity, and delivery. Our production scheduling dovetails with feedback cycles from users, giving flexibility to switch between drum and tote packaging and offer just-in-time shipments without sacrificing shelf life. Most organic salts with long hydrocarbon chains and fluorinated anions display shelf stability, but repeated opening and air exposure can shorten usable life—prompting us to revise lid designs and inner packaging for extended storage.

    Applications in Battery and Catalyst Development

    Energy storage is one area seeing tangible gains from this ammonium salt. Electrolyte designers merge methyl trioctyl ammonium cations with tetrafluoroborate to build novel lithium-free cells or supercapacitors. Our experience tells us that, compared to other candidates, this material gives a steadier platform for ion migration at elevated voltages, with minimal breakdown products under high current. Battery researchers note that replacing chloride or bromide salts with the tetrafluoroborate version leads to longer cycle life and improved charge–discharge behavior, due in part to reduced corrosivity and higher chemical stability.

    Catalyst makers incorporate the salt into organometallic systems, taking advantage of its broad solubility. Because the three octyl chains stick out from the core, hydrophobic environments favor this salt for improving transport properties and precipitation characteristics in metal recovery. Our technical support teams have collaborated directly with pilot plants to troubleshoot instances where other ammonium salts fouled catalysts or triggered runaway polymerization. Switching to our product resolved those issues, saving time and cutting back on unplanned downtime.

    How Process Improvements Evolve

    Change moves slow in chemical manufacturing. Each year, we log thousands of operating hours yielding insights that show up in process tweaks large and small. Our maintenance teams once noticed vapor traces emerging from a transfer junction. That prompted a new nitrogen sweep protocol, eliminating small losses. On another occasion, a run of off-spec salt drove us to change our drying oven setup, leading to tighter moisture controls. Our reluctance to declare “good enough” is why our material gets recognized among specialized researchers and engineers.

    Downtime costs everyone—so we pursue root-cause learning after any deviation or customer alert. Open communication with technical users, frequent data reviews, and persistent pursuit of new filtration and drying methods all drive us forward. We keep documentation accessible down to the drum number, so when a performance question arises, plant managers and QC analysts sort through the production record—not a black box.

    Customer Support—Backed by Real Chemists

    Customers expect support, not just shipment. Our technical service lines stay active not with generic advice, but with real-time help from chemists who have walked the production lines and solved similar problems. If a batch doesn’t dissolve as expected, users can speak to the process chemist who oversaw the lot. That level of direct accountability builds the trust that keeps partnerships strong across years and changing research needs.

    We don’t shy from feedback or new challenges. Piloting new reactor configurations or responding to unique purification requirements drives continuous improvement. The lines of communication remain open, flowing both ways, so that new observations get folded into process upgrades that pay off for every customer down the road. We’ve paired user trials with iterative improvements to our synthesis and drying steps—these collaborations regularly prove sharper than any top-down approach.

    Final Thoughts from the Production Side

    Chemical manufacturing builds on a foundation of practice, observation, and respect for materials. Methyl Trioctyl Ammonium Tetrafluoroborate offers a clear advantage for researchers and chemists looking for a salt that performs reliably across applications in extraction, catalysis, and advanced energy storage. Our commitment on the factory floor—to constant process vigilance, environmental responsibility, and responsive support—has brought our product its reputation. Each unit reflects years of learning, consistency from batch to batch, and real partnerships formed in the laboratory and on the production line.

    From our perspective, what you get from our plant stands as more than a commodity. It is the culmination of careful planning, rigorous hands-on quality checks, and a drive to keep raising the bar with every order delivered. We know the value of working with a salt you can rely on, and that knowledge sets the pace for everything we do.