|
HS Code |
472532 |
| Chemicalname | Potassium Tert-Butoxide |
| Chemicalformula | C4H9KO |
| Molarmass | 112.21 g/mol |
| Casnumber | 865-47-4 |
| Appearance | White to off-white powder |
| Meltingpoint | 256 °C (decomposes) |
| Solubilityinwater | Reacts violently |
| Density | 0.88 g/cm³ |
| Odor | Characteristic, strong |
| Boilingpoint | Decomposes before boiling |
| Storageconditions | Store under inert atmosphere, keep container tightly closed |
| Ph | Strongly basic in solution |
| Synonyms | Potassium tert-butylate, PTB |
| Sensitivity | Moisture sensitive |
| Mainuse | Strong base in organic synthesis |
As an accredited Potassium Tert-Butoxide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Potassium Tert-Butoxide, 500g, is packaged in a sealed, moisture-resistant amber glass bottle with a tamper-evident screw cap. |
| Shipping | Potassium Tert-Butoxide is shipped in tightly sealed, moisture-proof containers due to its high reactivity with air and water. It is classified as a flammable solid and must be transported under appropriate safety regulations, away from incompatible materials, heat, and ignition sources. Specialized labeling and documentation are required during shipping. |
| Storage | Potassium tert-butoxide should be stored in a tightly sealed, corrosion-resistant container under an inert atmosphere like nitrogen or argon. Store in a cool, dry place, away from moisture, acids, and oxidizing agents, as it reacts violently with water and air. Keep the container tightly closed and protected from light. Proper chemical storage cabinets should be clearly labeled and access restricted to trained personnel. |
| Purity 99%: Potassium Tert-Butoxide with purity 99% is used in pharmaceutical synthesis, where high purity ensures efficient and selective base-induced reactions. Melting Point 256°C: Potassium Tert-Butoxide with melting point 256°C is used in organic transformations under high-temperature conditions, where thermal stability maintains reagent integrity. Moisture Content <1%: Potassium Tert-Butoxide with moisture content <1% is used in anhydrous alkylation reactions, where low moisture prevents side product formation. Particle Size ≤100 µm: Potassium Tert-Butoxide with particle size ≤100 µm is used in fine chemical manufacturing, where small particle size increases reaction surface area and enhances dissolution rate. Stability Temperature 50°C: Potassium Tert-Butoxide with stability temperature 50°C is used in controlled condensation reactions, where temperature resilience ensures consistent catalytic activity. Free Alkali Level <0.2%: Potassium Tert-Butoxide with free alkali level <0.2% is used in polymerization catalyst preparation, where low byproduct alkali minimizes catalyst deactivation. Assay (Titration) ≥98%: Potassium Tert-Butoxide with assay (titration) ≥98% is used in deprotonation processes, where high assay yields reproducible reaction kinetics. Reactivity Index High: Potassium Tert-Butoxide with high reactivity index is used in elimination reactions, where high reactivity accelerates product formation rates. |
Competitive Potassium Tert-Butoxide 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!
Working in chemical manufacturing, you come to respect what small differences in purity or handling can do to an end reaction. Potassium tert-butoxide stands out as a key base for organic synthesis, and over the years, the feedback we hear most concerns consistency and dryness. Customers don’t usually care for standard platitudes. What matters to them — and what matters to us — is whether each shipment makes their process reliable, reproducible, and free from extra troubleshooting. In our plant, we produce potassium tert-butoxide as a white, free-flowing powder, optimizing each batch for low moisture uptake and minimal side reactions.
The backbone of our approach has been attention to drying and storage. Even traces of water trigger hydrolysis, so we use controlled environments and package under dry nitrogen. From our run data, shelf life extends up to two years unopened when kept below 25°C, though best results come from opening only what’s necessary and resealing quickly. End-users in pharma, agrochemicals, and academia have seen how even a few hundred ppm of water or alcohol contaminants can torpedo a synthesis, especially in sensitive deprotonations or alkoxide-promoted couplings. Physical properties matter, too: our production delivers a fine, homogeneous powder, avoiding heavy clumping and variable particle sizes that disrupt weighing and dosing equipment.
Our most common grade is technical 98% potassium tert-butoxide, with select customers requesting 99% ultra-low sodium content for specialized API work. Every drum ships with full certificates of analysis covering active content by sodium-permanganate titration, residual solvents, inorganic bases, and presence of isobutene. We also regularly perform Karl Fischer titrations to keep moisture below 0.2%. Testing surfaces even minor deviations, and we keep tight control on batch-to-batch uniformity.
Production runs yield material with melt point 170–175°C, matching the literature and confirming chemical identity. Particle size is checked by sieving and microscopy. We avoid prilling or granulation, which can deliver inconsistent surface area and slower dissolution rates in organic media. Our scale allows for batch sizes from a few kilograms to multi-metric ton, shipped in lined steel drums or smaller polypropylene kegs based on customer volume.
Every day, synthetic chemists count on potassium tert-butoxide as a non-nucleophilic, strong base to drive clean eliminations, alkylations, condensations, and metalation reactions. In our experience, careful process control upstream means fewer headaches downstream. Consistent base strength helps in tight stoichiometry, especially in large-scale dehydration (E2) reactions. Some clients use it for generating enolates from esters, others for forming tetrasubstituted alkenes or in transition-metal catalyzed couplings, where even a small impurity can stop a process cold.
For commercial manufacturing, reducing impurities isn’t just about making a cleaner product. Impurities cause downstream waste and rework. Handling potassium tert-butoxide takes some experience. The powder absorbs moisture from air, generating tert-butanol and potassium hydroxide in the process. For this reason, our inside operators check environmental humidity closely before packing, and the maintenance crew ensures every seal is tight.
Lab-scale customers often mention batch-to-batch variations when they try competitors’ lots. We commit to data-backed traceability with each batch. Scale-up often exposes small differences in bulk density and flow characteristics, which is why we work in close partnership with users scaling from grams to kilograms, tweaking parameters as needed to avoid blockages or bridging in feeders. In our plant, we even run trial batches for large clients whose reactors or transfer lines have narrower tolerances, using their actual request specs.
On the surface, potassium tert-butoxide sits alongside sodium tert-butoxide or lithium diisopropylamide as a strong, non-nucleophilic base. Once you work with actual plant lots, differences in purity, ease of handling, and safety change everything. Our potassium tert-butoxide delivers stronger deprotonating ability than sodium tert-butoxide because of the larger potassium ion, which stabilizes the resulting anion less. This difference matters for certain syntheses, especially for forming less substituted alkenes or driving elimination reactions that stall with sodium analogs.
Customers who have relied on sodium tert-butoxide often switch over when they need higher reactivity or have issues with sodium trace contamination. Potassium tert-butoxide sometimes offers better solubility in aprotic solvents such as THF or DMF. We keep sodium and lithium contamination extremely low through dedicated lines and frequent cross-batch analyses. Early on, we experimented with alternative drying protocols to match high-end analytical standards, and that investment paid off, especially for clients in API synthesis where metal ion residues matter.
Lab managers tell us that switching to potassium tert-butoxide reduced reaction times and increased yields for certain carbonyl condensations. We’ve witnessed more efficient methylation steps on route to complex heterocycles, especially in alkoxide-promoted reactions that stubbornly resisted sodium-based bases. Our material works well at scale, maintaining reaction reproducibility from 20-liter pilot batches to full industrial runs.
Having boots on the ground in both synthesis and manufacturing gives us some insight into daily pain points. The most frequent issues for end users come down to handling and shelf life. Potassium tert-butoxide reacts quickly with air and moisture, turning a white powder yellow or tan and decreasing effective base strength. Some suppliers skip moisture testing or rely on minimal QA, leading to inconsistent results.
We monitor stability with accelerated aging studies, subjecting retained samples to controlled humidity chambers and periodic titrations. Over time, we revised our packaging to thicker liners and two-stage sealing systems, reducing risk for both small and bulk users. We advise users to work under inert gas and minimize container openings. Inhouse, every transfer and fill operation is monitored by direct humidity and oxygen probe before proceeding. We have pulled batches and reimbursed product rather than risk inconsistent performance.
Thermal runaway sits near the top of process safety concerns. Potassium tert-butoxide generates heat when mixed with any water-containing ingredient, with risk of fire or explosion if not managed. Our plant procedures partition direct base handling from all aqueous cleaning steps, locking out manual access until complete air sweep and nitrogen flush. We publish and maintain detailed application notes by reaction type, sharing process improvements and workarounds based on lessoned learned from pilot to plant scale.
We know few customers read spec sheets cover-to-cover, so we focus on accessible training and open dialogue. Each shipment includes not just paperwork but practical handling notes, derived from years of watching reactions go wrong in scale-up. Many users requested one-kilogram, pre-weighed packs to limit air exposure and speed up lab operations. By offering packaging tailored to actually used aliquots, we help cut variable dosing and product loss. For larger operations, we supply sealed bulk drums with one-way gas valves for direct transfer, minimizing handling risks and keeping product integrity high until final use.
Safety features extend to transportation and delivery. The powder’s reactivity rules out regular cardboard or bag-in-box approaches, so we use chemically resistant liners and reinforced stackable drums. Our logistics team tracks temperature and humidity en route — especially on intercontinental shipments — to ensure no degradation before arrival. Each container is sweep-tested for seal integrity before it leaves our loading bay.
Market trends rarely move in a straight line. Early on, we saw a rise in demand for higher-purity and specialty-packaged potassium tert-butoxide as cross-coupling chemistry scaled from bench to plant. We responded with small batch runs exclusively for medicinal chemistry groups, reducing batch sizes and increasing lot segregation to avoid cross-contamination. The rise of flow chemistry and continuous manufacturing brought new questions: what mesh size flows best in microreactor setups? How does agglomeration affect automated feeder systems? We updated QC specifications for finer granularity and offer optional pre-screened powder for users with tight tolerance systems.
Conversation with process engineers taught us to report bulk and tapped densities, filling out the practical data beyond just chemical purity. In cases where researchers had clogging or variable delivery in automated lines, we supplied fresh material within 24 hours and updated handling guidelines, working through process diagrams to eliminate bottlenecks. Sometimes this meant custom sizing, though usually it was a question of controlling moisture to fractions of a percent.
For those new to working with alkoxides, challenges with waste neutralization appear more frequently than most admit. Potassium tert-butoxide generates flammable tert-butanol and caustic byproducts on hydrolysis. We route plant wash-down effluent through pH-controlled neutralization and monitored venting to minimize environmental impact. Customer feedback requests led to more accessible neutralization recommendations on paperwork, based on bench and plant tests rather than legalese or abstract theory.
We have watched the evolution of demand. A decade ago, only a handful of specialty manufacturers produced bulk potassium tert-butoxide, mostly for advanced pharma synthesis. With the boom in transition-metal catalysis and new-generation materials, multiple industries now rely on predictable, high-strength base. Re-tooling our plant for multiple grades and packaging was a direct response to these broader needs.
Pharma customers occasionally require detailed impurity mapping, so we invested in ICP-MS and trace analysis across all plant lines. Agrochemical producers focus on consistent reactivity, valuing rapid access to replacement lots. Rather than chase one-size-fits-all approaches, we keep a portfolio of packing, QA levels, and shipment options, and our technical team remains plugged into customer problems — not just selling on purity, but on solving real-world synthesis headaches.
Academic labs prioritize reproducibility and quantifiable residuals. In multi-step syntheses, any batch-to-batch drift in potassium tert-butoxide quality throws off NMR yields or triggers unwanted side reactions. We frequently partner with university groups to receive analytical feedback, adjusting production variables and updating test procedures in our own QC. Students often highlight practical problems industrial users miss: powder caking during long bench sessions, glassware etching, cross-reactivity with certain solvents. We take those lessons back to plant floor operators and training sessions, building a wider knowledge base across all corners of the process.
The chemical manufacturing business never stands still. Supply chain disruptions present real risks for customers who need tight timelines and consistent quality. For potassium tert-butoxide, delays in upstream tert-butanol or potassium hydroxide sourcing affect output. By partnering with regional suppliers and commissioning backup storage for raw materials, we shield customers from wild price or availability swings.
Regulatory scrutiny increases every year. More end-users want detailed traceability and process audits. We run lot-level tracking for all material inputs through to final shipment, and third-party auditors review our lines several times a year. Global standards for purity and safety shift continuously; we redesign training, operation manuals, and analytical protocols to meet current best practices, not just regulatory minimums.
We make mistakes along the way — plenty of learning from batches that failed moisture or had accidental exposure during packaging. Rather than sweep errors aside, we document, trace root cause, and share insights with buyers as soon as they surface. This transparency forges deeper trust with long-term partners, building relationships beyond transactional sales.
Even as applications diversify, the basic requirements for potassium tert-butoxide don’t change: chemical purity, physical stability, and ease of handling. New automation in our lines tightens process windows, reducing manual handling and worker exposure. Technology continues to evolve. We invest in real-time batch monitoring, remote environmental sensing, onsite analytical capability, and operator re-training to maintain safe and reliable delivery.
Ongoing dialogue with researchers and process engineers makes all the difference. Reliable potassium tert-butoxide isn’t just a technical achievement; it’s the result of hard-earned experience, steady investment in our people and lines, and a willingness to adapt to shifting requirements and applications. Every kilogram extends from careful sourcing, plant discipline, and listening to those who use and depend on this base for tomorrow’s discoveries.