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HS Code |
744196 |
| Chemical Name | Ethyltributylphosphonium Acetate |
| Chemical Formula | C14H33O2P |
| Appearance | Colorless to pale yellow liquid |
| Melting Point | -24 °C |
| Boiling Point | Decomposes before boiling |
| Density | 0.973 g/cm3 (at 20 °C) |
| Solubility In Water | Miscible |
| Cas Number | 850568-18-0 |
| Purity | Typically ≥98% |
| Refractive Index | 1.436 (at 20 °C) |
| Storage Conditions | Store at room temperature, tightly sealed |
As an accredited Ethyltributylphosphonium Acetate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Ethyltributylphosphonium Acetate is packaged in a 100 g amber glass bottle, sealed, with chemical and hazard labeling for safe handling. |
| Shipping | Ethyltributylphosphonium Acetate should be shipped in tightly sealed, chemically resistant containers, protected from moisture and extreme temperatures. Use appropriate hazard labeling according to local regulations. Transport with strong outer packaging and cushioning to prevent breakage or spillage. Handle as a chemical substance; avoid contact with incompatible materials during transit. |
| Storage | Ethyltributylphosphonium Acetate should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizers. Keep the container tightly closed and properly labeled. Store it at room temperature, avoiding moisture and sources of ignition. Ensure proper secondary containment to prevent leaks or spills and adhere to local regulations for safe chemical storage. |
Applications of Ethyltributylphosphonium Acetate in Industrial ManufacturingEthyltributylphosphonium acetate serves critical functional roles in advanced chemical processing, offering unique benefits for downstream manufacturers across selective industrial sectors. Our production facility applies strict quality assurance methods to ensure stable and pure supply for specialized applications. Below we detail authentic downstream uses to support informed B2B procurement decisions. 1. Cellulose Dissolution for Advanced Fiber SpinningThis ionic liquid enables homogeneous dissolution of high-purity cellulose, improving spinning dope preparation for specialty fiber and membrane manufacturing lines. As a direct cellulose solvent, it offers advantages in yield, dope stability, and solution handling compared to legacy NMMO or imidazolium-based systems. Commercial-scale operators can optimize viscosity and spinning parameters to suit different feedstocks, supporting the production of novel regenerated cellulose fibers. Industry compliance standards
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2. Green Catalysis in Organic Synthesis Scale-upThe acetate anion in this quaternary phosphonium salt enables it to function as a phase-transfer catalyst and reaction medium for alkylation, Michael addition, and esterification. Compared to traditional catalysts, it exhibits lower toxicity and improved chemical stability, meeting new greener synthesis protocols. In pharmaceutical and fine chemical production, operators benefit from reduced waste, efficient catalyst recovery, and minimized side-product formation in kilo- to pilot-scale manufacturing. Industry compliance standards
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3. Pretreatment Additive in Biomass ConversionIndustrial-scale biorefineries adopt this chemical as a pretreatment agent for lignocellulosic biomass, facilitating selective lignin removal and improving downstream enzymatic hydrolysis of polysaccharides. The ionic liquid action disrupts biomass structure, increasing yield in bioethanol or biopolyol processes. Process engineers can recover and recycle solvents, reducing chemical input and overall environmental impact. Industry compliance standards
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4. Electrolytes for High-Performance SupercapacitorsThis phosphonium ionic liquid delivers favorable electrochemical stability, low volatility, and wide operating temperature range for use as an electrolyte or electrolyte additive in supercapacitor cell manufacturing. It supports high-conductivity formulations alongside organic solvents, extending device safety and cycle life for automotive and grid storage applications. Manufacturing engineers adjust concentration and blending methods to fine-tune cell ESR and leakage current parameters. Industry compliance standards
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In the world of chemical manufacturing, stumbling upon compounds that genuinely change the way people work with solvents, catalysis, or ionic liquids doesn’t happen every day. Ethyltributylphosphonium acetate has steadily become a staple here at our facilities, not because it’s flashy, but because it works. Our technicians and chemical engineers deal with this product not as a distant “reagent,” but as a hands-on tool, one we’ve refined over years of practice to meet real and rising demands across pharmaceuticals, organic synthesis, advanced materials, and green chemistry research.
Manufacturing ethyltributylphosphonium acetate takes more than just a clean reactor and accurate feeding—especially at scale. Each batch starts with tributylphosphine and ethyl halides of verified purity. We use a combination of process controls and batch sampling protocols, watching for trace byproducts that can appear if the reaction isn’t tuned just right. This hands-on vigilance pays off at inspection: consistent color, a high degree of purity on every GC trace, and a moisture profile that stays in the right range for downstream use.
We’ve fielded questions from experienced formulators looking for the subtle differences: is it really less hygroscopic than some imidazolium-based salts? Does it offer incremental benefits in terms of thermal stability? In our process, the short ethyl substituent on the phosphonium cation gives a noticeable boost over tributyl-based cousins. Our technicians have logged the reduced tendency toward hydrolysis under ambient storage, which relieves pressure on teams needing longer shelf lives. The acetate counterion, with its moderate basicity and compatibility, gives us leeway to recommend our product as a solvent component or phase transfer catalyst, depending on a customer’s process.
In the field, purity matters. We’ve listened to academic researchers, scale-up plants, and industrial production lines describe the fallout of micro-contaminants: residue on reactor walls, impure product bands in chromatography, or inconsistencies from batch-to-batch. Our standard model of ethyltributylphosphonium acetate routinely exceeds 98% purity and comes tailored to minimize water content—crucial in sensitive syntheses. Packing options range from small-volume research sizes to industrial drums, keeping closure tight and labeling clear for safe, error-free handling in busy environments.
Where projects demand it, we’ll deliver certificates of analysis that cover more than the basics. From phosphorus content to residual halides to trace organic acids, our quality control team tracks the parameters most likely to affect performance. We’re prepared for tough questions: Does residual triphenylphosphine matter in your catalytic system? Has the product seen freeze-thaw cycles during shipping? Our real-world answers come from a history of both scale-up and routine production, not from a manual.
Comparing ethyltributylphosphonium acetate to other ionic liquids or quaternary phosphonium salts brings up straightforward differences. Some customers come with experience handling imidazolium salts and notice their moisture sensitivity or tendency to discolor with trace acid. Our product generally fares better in open-system handling, resisting discoloration and breakdown at a level above what other phosphonium and ammonium-based salts provide. Thermal performance comes up again and again: we’ve measured stability up to operating temperatures well above typical organic solvents, with little loss in viscosity or solvent ability. This helps teams keep reaction controls tight under load—more predictable yields, fewer emergency cool-downs, and improved integration with upstream or downstream homogenization steps.
On the application side, industries gravitate toward ethyltributylphosphonium acetate for different reasons. In fine chemicals manufacturing, it shines as a phase-transfer catalyst in alkylation and nucleophilic substitution reactions. We’ve even seen its adoption in cellulose dissolution and polymer processing work, a field where its low volatility and mild basicity keep unwanted side-reactions in check. Some labs have replaced volatile organic solvents altogether in favor of this compound’s tunable polarity and recyclable nature.
Storing and shipping phosphonium salts came with a learning curve. Early on, our teams tackled minor incidents that traced back to improper sealing or long shelf times in humid climates. Now, each lot leaves our facility sealed under inert gas—no more unplanned deliquescence or minor off-odors. We train staff to handle spills immediately with non-combustible absorbents and maintain PPE that stands up to potential skin or eye exposure. Our manufacturing unit looks beyond routine MSDS requirements, often running mock drills and tracking batch history down to the lot and shift. This keeps our customers supplied with products that haven’t suffered from storage mishaps, mitigating both safety and quality concerns.
Our regulatory specialists keep abreast of shifting international rules, offering support in preparing reports on substance registration, REACH compliance, and regional customs paperwork. There’s no guesswork—customers receive batch records and documentation that allow uneventful import, even into tightly regulated regions.
As a chemical manufacturer, we have to look squarely at waste streams and long-term environmental impacts. Ethyltributylphosphonium acetate doesn’t come with the same volatility or bioaccumulative risk profile as some chlorinated solvents or heavy-metal catalysts, so we can endorse its use in closed-loop production. Our team collects and recycles spent product wherever possible, either reprocessing or neutralizing by established wet chemistry protocols. Liquid effluent from our plant is sampled and tested before treatment, so nothing concerning enters municipal water systems. We’ve reduced overhead and disposal costs through these steps, and feel confident in supplying customers who ask about cradle-to-grave impacts.
Though the acetate salt itself isn’t inherently green by nature, we see research growing toward pairing its production with bio-based feedstocks and renewable energy. Our research group runs pilot batches to test fermentation-derived acetate streams when cost and performance line up. We keep open doors to collaborative projects seeking to shrink fossil-derived inputs across the supply chain.
Every manufacturer has dealt with failed runs and off-spec product at some point. Our lessons with ethyltributylphosphonium acetate cover problems as diverse as minor trace colorants in raw materials, unanticipated water ingress during monsoon storage, and scale-up difficulties shifting from bench glassware to stainless steel reactors. Engineers on our team learned firsthand the value of vacuum-drying steps before packaging, a practice that virtually eliminated caking and improved pourability even after extended shelf life.
We’ve had to troubleshoot filtration issues too, with batches that looked fine until a customer’s HPLC showed low-level foreign peaks. After hours on the production floor and analytical chemistry benches, we tracked the cause to a slight temperature drop during recrystallization—yielding product that needed more careful monitoring. Transparency with our customers about these learning moments built trust, and often shaped changes in the way we handle in-process records or respond to technical service calls.
Recently, a cellulose dissolving project sought a solvent system that avoided halide salts and resisted degradation at elevated temperatures. Ethyltributylphosphonium acetate, with its non-halogen counterion and robust handling profile, allowed for consistent cellulose processing with minimal byproduct formation. Another project team working on alkyl transfers swapped legacy ammonium salts for our product and saw measurable boosts in product purity. The transition wasn’t always seamless—changes in solubility and viscosity called for new agitation regimes. Our technical staff supported experiments through real-time sampling and process tweaks, aiming for both higher yields and cleaner isolates. We keep learning from every batch in the field, integrating these lessons into how we produce, test, and package the compound for demanding users.
Formulators in lubricant and coating industries also reach for ethyltributylphosphonium acetate. They value its blend of polarity and low environmental toxicity in formulations where performance matches or exceeds legacy products based on amines or sulfur-containing agents. The move has cut down on odor, improved worker safety, and let end-users tout environmental credentials with legitimacy.
There’s a reason companies and research labs keep returning to ethyltributylphosphonium acetate—it’s a workhorse compound that adapts well to both traditional and cutting-edge chemistry. We see its potential not only in the current roles it fills, but as a chemistry platform for new ionic liquids, solvation systems, and catalytic modules. Our R&D group experiments with derivatization, pairing different counterions and phosphonium ligands for tweaks in physical and chemical properties. This keeps us at the front of innovation and gives us concrete insights into what works in actual manufacturing settings.
Supply chain resilience stays high on our radar. Our refinery partners maintain rigorous screening for raw material purity, while our logistics group adapts to demand spikes or regulatory changes. All this helps absorb shocks that could derail production at scale, giving peace of mind to our customers running continuous operations.
Some buyers come to us after rounds with intermediaries who can’t answer questions about on-the-ground production details. Our support teams can walk through reaction mechanisms, pinpoint what’s likely to happen in side-reactions, and help troubleshoot failed runs. We understand how a sudden color shift, trace byproduct, or off-odor can damage trust and disrupt a process. With ethyltributylphosphonium acetate, experience has taught us how minor changes in reagents, moisture, or packaging can ripple outward through an entire production line. This knowledge comes from hands-on interaction, not just technical sheets or online databases.
We stand behind every order, not just to meet compliance requirements, but because reputations in chemical manufacturing rest on reliability. Our documentation stays transparent, our process controls evolve to address known risks, and our willingness to support customers through technical hurdles can make the difference between a successful scale-up and an expensive restart.
Ethyltributylphosphonium acetate may not grab headlines, but on every level from pilot plant to full production, it proves its value by how well it integrates with real-world chemistry. Its balance of thermal, chemical, and process robustness makes it a tool that teams can rely on, batch after batch. Whether the challenge is strict regulatory scrutiny, new application development, process scale-up, or simply driving down cost-per-lot, our long view and producer’s mentality let us supply a product that delivers—because we keep refining it with lessons drawn from actual, working scenarios.
Looking at the landscape ahead, we believe functional phosphonium salts, with compounds like ethyltributylphosphonium acetate at the core, will underpin advances in green synthesis, recyclable solvent systems, and safer process design. Our job as manufacturers remains the same: get the chemistry right, anticipate process concerns, and never stop learning from both setbacks and successes.