|
HS Code |
263646 |
| Chemical Formula | C2H5KO |
| Molar Mass | 96.22 g/mol |
| Appearance | white to yellowish powder |
| Odor | alcohol-like |
| Solubility In Water | reacts violently |
| Solubility In Ethanol | freely soluble |
| Density | 0.868 g/cm³ |
| Flammability | highly flammable |
| Cas Number | 141-52-6 |
| Storage Conditions | keep tightly closed, away from moisture and air |
| Reactivity | reacts violently with water and acids |
| Synonyms | Ethoxypotassium, Potassium ethylate |
As an accredited Potassium Ethoxide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Supplied in a 500g amber glass bottle with tamper-evident cap, labeled with hazard warnings and chemical identification for Potassium Ethoxide. |
| Shipping | Potassium Ethoxide should be shipped in tightly sealed containers, under inert atmosphere (such as nitrogen or argon), avoiding moisture and air exposure. Packaging must comply with local, national, and international hazardous material regulations. Proper labeling and documentation are required, as it is highly flammable and reacts violently with water. Handle with care. |
| Storage | Potassium ethoxide should be stored in a tightly sealed container under an inert atmosphere, such as nitrogen or argon, to prevent moisture and air exposure. Store it in a cool, dry, and well-ventilated area, away from heat, sparks, open flames, and incompatible substances like acids or water. Use appropriate labeling and secondary containment to prevent spillage and ensure safe handling. |
Applications of Potassium Ethoxide in Industrial ManufacturingAs a specialized manufacturer of potassium ethoxide, we support industrial producers across several advanced chemical synthesis processes. Below we detail key application scenarios where downstream sectors rely on this reagent for safe, consistent performance and regulated outcomes. 1. Active Pharmaceutical Ingredient (API) SynthesisIn the pharmaceutical sector, potassium ethoxide is an essential alkoxide for condensation and ethoxylation steps during the synthesis of select APIs, particularly where sodium analogs cause byproduct contamination or lower reactivity. Potassium ethoxide ensures higher selectivity and yield profiles in the formation of functionalized intermediates such as esters and heterocyclic compounds, especially in cephalosporins, penicillins, and several antihypertensive agents. Most installations rely on closed, validated reaction vessels with controlled temperature and moisture protocols. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Agrochemical Intermediate ManufacturingAgrochemical manufacturers utilize potassium ethoxide for the ethoxylation and transesterification of key precursors used in the production of selective herbicides, insecticides, and plant growth regulators. This reagent catalyzes reactions which yield higher-purity ester or ether intermediates, optimizing downstream crop protection product quality. Formulators choose potassium over sodium-based alternatives to minimize trace metal contamination, crucial for products regulated by environmental safety statutes. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Biodiesel Production (Fatty Acid Methyl Ester Synthesis)Potassium ethoxide activates transesterification of triglycerides in vegetable oils or animal fats with methanol to generate biodiesel (FAME), providing faster kinetics and improved conversion over sodium methoxide, and significantly reducing soap formation in downstream washing steps. Industrial processors select potassium alkoxides for feedstocks with higher FFA content or where consistent low-ash product is critical to engine performance and emission standards. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Fine Chemical Synthesis for Fragrance and Flavor CompoundsProducers of aroma chemicals and flavor intermediates employ potassium ethoxide in the ethoxylation and selective alkylation steps, particularly when manufacturing phenolic ethers, lactones, and aldehyde derivatives required for high-stability perfume bases and food flavoring blends. Potassium-based catalysts enhance reactivity toward hindered or sensitive functional groups, reducing side reactions, and ensure compliance with stringent food and cosmetic standards. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
5. Polymer Additive and Chain Termination Agent in Polyurethane ProcessingPolyol and isocyanate producers use potassium ethoxide as a precise chain terminator and as a base initiator in specialty polyurethane prepolymer and elastomer syntheses. This enables better control over polymer architecture, molecular weight distribution, and hydrolysis resistance. The reagent’s rapid reactivity and low residual metal content make it preferred in electronics-grade polyurethane systems, including encapsulants and coatings. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
6. High-Purity Ether and Ester Production for Laboratory ReagentsProducers of laboratory-grade solvents and intermediates rely on potassium ethoxide in the synthesis of high-purity ethers and esters, such as ethyl ether and potassium esters, for analytical and preparative use. This pathway enables reduced side-product formation, lower water content, and enhanced reproducibility, crucial for demanding analytical quality controls in the research chemicals sector. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
|
Competitive Potassium Ethoxide prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.
We will respond to you as soon as possible.
Tel: +8615371019725
Email: admin@sinochem-nanjing.com
Flexible payment, competitive price, premium service - Inquire now!
At our manufacturing site, Potassium Ethoxide stands as one of the most relied-upon alkoxides for processes where precision matters. Day in and day out, our chemists put years of expertise and attention into every batch, knowing our customers count on consistent results. Our direct synthesis model embraces reactive potassium metal and pure ethanol, handled under carefully monitored conditions. We understand how trace water can throw off reactivity. Every step in our workflow—from raw material evaluation through to storage—focuses on eliminating moisture, so every shipment meets the expectations our partners set for their downstream reactions.
Potassium Ethoxide (C2H5OK) is a strong base with an ethoxy group. It comes in both powder and solution formats. We typically produce a crystalline solid with a bright white appearance, or a colorless to pale yellow solution when supplied in ethanol. Our main solution grade offers a 21%–25% mass content product, balanced to support robust activity in batch and continuous reactors. Powders arrive dry-packed, with each drum sealed to block out ambient air and moisture. Stability matters to our customers because kinetic control or selectivity depends on it.
Over the years, organic chemists have learned to trust Potassium Ethoxide in a wide span of reactions. It’s valued for its ability to cleanly deprotonate acids, esters, and active methylene compounds. In condensation reactions like Claisen or Knoevenagel, a reliable strong base means higher yields and greater reproducibility. Where sodium ethoxide can underperform or drift over time, the potassium analog remains active. We’ve observed this directly in our pilot applications, especially when scaling multi-kilo runs where process drift undermines efficiency.
Many laboratories use Potassium Ethoxide to synthesize fine chemicals, pharmaceuticals, crop protection agents, and dyes. Its ability to drive ethoxide-based alkylations gives process chemists more options than weaker bases or less stable mixtures. Whether used in esterifications, transesterifications, or as a nucleophile in select functionalizations, this reagent regularly outperforms basic potassium carbonate or sodium ethoxide when temperature or reactivity need tighter control.
In talking with our largest customers, repeatability and safety always take precedence. Potassium Ethoxide’s direct reactivity means it achieves conversions at lower temperatures, avoiding the need for intensive heating and unnecessary byproducts. This helps those seeking to maximize atom economy or to reduce waste in greener synthesis platforms.
Our team doesn’t rely on automated monitors alone. Every day, our operators sample and test product before it enters final drums. Each batch faces Karl Fischer water analysis, and we monitor reactivity versus industry standards. Over the years, we’ve learned that even small impurities—from repeated use of impure ethanol or trace halides—can poison a reaction. We maintain separated milling and packing lines for non-alkoxide products, so our potassium ethoxide never becomes cross-contaminated.
We calibrate each reactor for oxygen and temperature, and we track material flow rates by the minute. Emergency protocols are drilled so even in an upset scenario, the chance of product degradation is minimized. We don’t wait for industry audits to review traceability either; our internal sampling teams audit production records regularly, and we invite customers to review the process if they require.
Potassium Ethoxide differs from sodium ethoxide in more than cation alone. Potassium’s larger ionic radius influences solubility in various solvents and can create different product selectivities in condensation or elimination reactions. Our experience matches the academic data: in many synthesis pathways, potassium ethoxide supplies both stronger base power and higher solubility in polar and some aprotic solvents. Reaction rates increase, and roles in competitive equilibrium favor desired products—an advantage that can determine the economics of running certain fine chemical processes.
Sodium ethoxide sometimes fails where steric or kinetic factors become important. Potassium Ethoxide maintains a more robust profile in the presence of challenging substrates—especially in macrocyclic synthesis and in cases where unwanted side reactions have plagued earlier laboratory attempts. Over the last decade, several of our custom synthesis clients switched after observing failing yields with sodium analogs. Switching to the potassium series resulted in formation of their required intermediates at rates 10–30% above prior benchmarks.
Some ask why not just take the simpler, widely available potassium hydroxide. Our practical feedback amplifies published findings: potassium hydroxide’s water content, even on the driest lots, leads to competitive hydration and eliminates the benefit of a water-free strong base. In solvent-sensitive synthesis, that water produces lower conversions and complex work-ups. We’ve fielded dozens of troubleshooting calls where teams tried to save budget with potassium hydroxide, only to return to ethoxides after direct comparison. With Potassium Ethoxide on hand, drying steps decrease and purification becomes more straightforward.
Cost factors draw the attention of procurement managers. Potassium Ethoxide carries a higher upfront price than some substitutes, but our clients repeatedly stress the value in time saved, reduced purification expense, and fewer side-product isolations. The ability to minimize batch failure risk outweighs price differences, especially at later development or commercial scale.
Handling strong bases such as Potassium Ethoxide calls for experience and proper planning. We train every new technician on alkoxide-specific hazard scenarios, such as uncontrolled hydrolysis and exothermic reactions with acids or oxidizers. In solution form, the material volatilizes rapidly if left open. In powder, the fine dust demands sealed transfer and discharge under inert atmosphere. Our protocols minimize these risks by installing glove boxes and sealed connection points for filling, all the way through truck loading.
We encourage every customer, no matter their scale, to adopt similar transfer protocols. Use of dry, oxygen-free nitrogen as inert cover gas, and maintenance of explosion-proof environments, reduce incident probability and maintain reagent integrity. We review safety resources with purchasers before shipping initial orders, and we’re open about lessons learned over the years. Experience has shown that open-mouthed containers and prolonged exposure, even over minutes, allow ambient water to creep in and degrade the batch.
We design our packaging to withstand shipping pressures, temperature swings, and the rattling that comes with global delivery. All drums are purged and sealed. At several development sites using Potassium Ethoxide, rigid transfer systems and clear safety checklists have allowed decades of trouble-free processing.
Our relationships with research labs, pilot manufacturers, and full-scale chemical plants have shaped how we design our product offering. Some customers request low-volume, high-purity lots for exploratory pharmaceutical synthesis. Others order bulk drums for routine application in their established routes. We’ve adapted—offering flexible size lots and custom solution strengths based on customer methods. If a refinery needs a custom blend to minimize residual potassium in later cleanup, we collaborate to deliver exactly that.
This adaptability didn’t appear overnight. Decades of feedback on everything from handling complaints to reaction troubleshooting prompted us to adjust crystallization, packaging, and even labeling methods. Our 21% solution model emerged after multiple clients flagged earlier higher or lower concentration batches as either too slow to transfer or overly reactive in pilot glassware environments. By cooperating directly with end-users, we fine tune each batch without diluting our process or adopting shortcuts.
Manufacturing reactive alkoxides means not only product stewardship, but managing by-products and environmental impacts. We limit solvent emissions with closed-loop ethanol recycling, scrubbing every vent for residual alkoxide or potassium traces before atmospheric release. Our wastewater neutralization routines mirror those of Europe’s strongest chemical plants, ensuring waste potassium residues don’t linger in our effluents.
For every batch produced, we assess lifecycle impacts— from potassium sourcing, through ethanol purification, to disposal of drums post-shipment. We’ve improved our drum-cleaning protocols to allow return and repurpose, aiming to minimize the waste footprint. Every kilogram shipped comes with the commitment to take back containers, clean, and recirculate them rather than add to industrial waste streams.
We work together with procurement officials and users to guide responsible use and disposal. Leftover Potassium Ethoxide gets treated in controlled neutralization tanks, not in open drains—an industry must for anyone using strong bases. Our continuous improvement programs look for safer neutralizing agents and better water recovery from every drum wash cycle, believing the role of the manufacturer doesn’t end at the shipping dock.
Over recent years, new applications have emerged for Potassium Ethoxide beyond historical routes. Advanced materials research uses it to prepare metal-organic frameworks or certain specialty polymers unattainable with standard base reagents. High-throughput screening requires tight quality control and purity. With the drive toward renewable chemistry, especially in biodiesel transesterification, demand grows for high-purity, water-free potassium alkoxide to drive leaner, low-residue processes.
Our team works with both established and startup cleantech firms to fine-tune product specifications and supply chain continuity—so that new process technologies dependent on this reagent aren’t bottlenecked by raw material variation. We share analytical results with partners to help them model process robustness and plan for scale-up.
In our experience, direct feedback loops—where process engineers report not just outcomes but the challenges met in large-scale or automated settings—help us improve batch consistency. We learn from every anomaly. Our in-line monitoring now includes not just traditional chemical titration but advanced NMR analyses to detect trace impurities that older methods might miss. In practice, that means users don’t see batch-to-batch drift, a frustration that once haunted rapid development projects.
We don’t approach Potassium Ethoxide as a one-size-fits all product. Each customer brings their own process quirks and requirements to the table, and over time, sharing practical know-how benefits both ends of the supply chain. When an intermediate in a new agrochemical needs a higher purity threshold, we investigate raw source origin and re-examine every filtration step. Where a high-throughput team faces inconsistent reactivity, we send technical support and open our process logs for review.
Even the best process sometimes faces new challenges. Temperature fluctuations during transport, new downstream uses with stricter purity needs, or shifting regulatory codes about potassium and alcohol compounds. We support process validation, offer technical consultation, and regularly review changing regulatory landscapes with customers to help them plan ahead.
Chemistry changes. What counted as state-of-the-art five years ago becomes an entry point for new methods tomorrow. Potassium Ethoxide retains its relevance by meeting the ongoing needs of modern synthesis: selective reactivity, efficient conversions, and adaptability to both batch and flow processes.
After decades of hands-on experience, our team recognizes that investing in product quality, open client communication, and responsible stewardship makes a lasting difference. Potassium Ethoxide rewards careful handling and process discipline. We believe that standing behind the product, staying curious about customer needs, and proactively managing waste streams keeps this staple reagent vital to both established chemical industries and tomorrow’s new technologies.