|
HS Code |
846455 |
| Cas Number | 623-42-7 |
| Molecular Formula | C5H8O2 |
| Molecular Weight | 100.12 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Boiling Point | 114-116 °C |
| Melting Point | -52 °C |
| Density | 0.91 g/cm³ at 25 °C |
| Flash Point | 19 °C (closed cup) |
| Solubility In Water | Slightly soluble |
| Refractive Index | 1.4140 at 20 °C |
As an accredited Methyl 2-Butenoate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 500 mL amber glass bottle with secure cap, labeled with chemical name, hazard symbols, manufacturer details, and batch number. |
| Shipping | Methyl 2-Butenoate should be shipped in tightly sealed containers, clearly labeled and compliant with local regulations. Transport in a cool, well-ventilated area, away from ignition sources, oxidizers, and acids. Protect from physical damage. Use appropriate packaging to prevent leakage, following applicable hazardous material shipping guidelines for flammable liquids. |
| Storage | **Methyl 2-Butenoate** should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible materials such as oxidizers and strong bases. Keep the container tightly closed and properly labeled. Store in a flammable-proof cabinet, protected from direct sunlight and moisture. Use only approved containers to prevent leakage and preserve chemical integrity. |
|
Purity 99%: Methyl 2-Butenoate with purity 99% is used in pharmaceutical synthesis, where it ensures high reaction selectivity and minimized impurity formation. Boiling Point 110°C: Methyl 2-Butenoate featuring a boiling point of 110°C is used in solvent blends for fine chemical manufacturing, where it enables efficient solvent recovery and process economy. Molecular Weight 100.12 g/mol: Methyl 2-Butenoate with molecular weight 100.12 g/mol is used in agrochemical intermediate preparation, where accurate stoichiometry enhances yield consistency. Stability Temperature 70°C: Methyl 2-Butenoate stable up to 70°C is used in coating formulation processes, where thermal stability maintains product integrity during production. Viscosity 0.52 cP: Methyl 2-Butenoate with viscosity 0.52 cP is used in flavor and fragrance compounding, where low viscosity enables uniform dispersion and blending efficiency. Refractive Index 1.414: Methyl 2-Butenoate with refractive index 1.414 is used in analytical calibration standards, where reliable optical properties support precise quantification. Density 0.905 g/cm³: Methyl 2-Butenoate with density 0.905 g/cm³ is used in resin modification, where controlled density improves miscibility and formulation stability. Water Content ≤0.2%: Methyl 2-Butenoate with water content ≤0.2% is used in catalyst preparation, where minimal moisture prevents unwanted hydrolysis reactions. |
Competitive Methyl 2-Butenoate prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to admin@ascent-chem.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: admin@ascent-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Chemistry’s significance passes from the lab to the factory floor in more ways than one. Take, for instance, the daily reality of producing methyl 2-butenoate at scale. There’s more to it than handling fancy glassware or mastering academic theory—it's an operation where discipline, hands-on skill, and practical engineering come together. Our process draws from decades of experience in manufacturing unsaturated esters. The goal: consistency, clarity, and product purity that serious users need for synthesis, flavor, and specialty applications.
The staple material we produce—commonly known as methyl crotonoate—comes straight off our production reactors under a defined model recognized by both industrial and laboratory customers. For years, our teams refined the batch and continuous production methods to provide a colorless to pale yellow liquid, with a minimum assay of 98% by GC, low water content, and a boiling range that never wanders outside 96-98°C under atmospheric pressure. We don’t chase after cosmetic appearances or flash; we lock in on analytical reliability, batch after batch.
Contaminants and byproducts matter far more than many realize. Through experience, we’ve found that trace aldehyde and hydrocarbon contaminants can seriously disrupt downstream processes. Production under nitrogen, with robust vacuum transfer and rapid distillation, keeps unwanted impurities in check. Our technical team regularly checks for nonpolar and polar impurities, not only during QC but throughout process improvement cycles. Color holds steady, and material consistency stands up to long shipping routes. Customers notice the difference; chemists tell us about easier crystallizations or reduced side reactions, which echo our own in-house testing.
Ask an organic synthesis professional about methyl 2-butenoate and they'll quickly list its strengths. Manufacturing it rather than buying and re-bottling gives direct insight into how each grade performs, especially when scaled beyond flask work. In condensation reactions, for instance, its reactivity often outpaces similar esters, since the double bond at the 2-position opens up selective addition strategies. We’ve seen firsthand how this molecule speeds C–C coupling reactions with Grignard and organolithium reagents; a difference that matters during process development and optimization.
Some customers use methyl 2-butenoate in the flavor industry. Compared with methyl butyrate or methyl crotonate analogs, the unsaturation gives a sharper, slightly greener note—levels that must be handled carefully to avoid off-notes. In large facilities, being the manufacturer means we can adjust odor purity by controlling the raw feedstock origin, solvent system, and reaction time, tailoring the end profile for those who want batch-to-batch reproducibility in their formulations. This kind of detail does not show up on a typical product sheet.
Pharmaceutical intermediates require different priorities. Many generic syntheses use methyl 2-butenoate as a platform for polar group introduction via Michael additions. A lot is riding on stability—nitrile or hydroxyl group addition runs more smoothly when starting with a low-water, freshly distilled ester. Having immediate oversight of production lets us minimize hydrolysis, peroxides, or other shelf-life issues. We maintain strict scheduling between synthesis, purification, and packing, and we trace every lot from reactor to drum, confirming that nothing has absorbed ambient moisture or started to polymerize during storage.
Serving research, pilot, and production customers challenges us to match small-scale precision with big-batch productivity. Methyl 2-butenoate demands special handling, unlike some simple methyl esters. The double bond is sensitive to light, oxygen, and acid—definitely not a compound to store in open air or under fluorescent lighting. Our facilities employ amber storage tanks, blanketed with inert gas, and we work strictly without ferrous metals in transfer lines to cut down on possible side reactions. This practical know-how saves quality at scale, especially during summer months or longer shipping journeys.
By working directly with large-volume buyers and formulation chemists, we’ve also learned the pitfalls of relying on secondary traders. Topping-off totes, reworking out-of-spec material, or shipping in marginal packaging leads to headaches. We ship only in steel drums with lined interiors or fluorinated HDPE, depending on the reactivity needs of the buyer. This level of attention narrows the risk of cross-contamination, especially with aldehydic or sulfurous cargo previously held in transport equipment. Customers who synthesize active pharmaceutical ingredients or sensitive fragrance bases tell us our process pays off; fewer variables, less waste, less troubleshooting, and stronger upstream transparency.
Many ask how methyl 2-butenoate compares to similar esters—methyl crotonate, methyl methacrylate, or methyl acrylate, for example. The backbone of methyl 2-butenoate strikes a middle ground: more reactive than saturated esters, safer and less volatile than methyl acrylate or methacrylate. For the uninitiated, methyl 2-butenoate avoids the sharp, acrid odor and extreme skin sensitization seen in acrylate esters, which makes plant handling less of a concern. Its moderate vapor pressure means indoor air monitoring requirements remain manageable, and with the purity levels we insist on at the factory, waste management and neutralization during cleaning are straightforward compared to more aggressive unsaturated monomers.
On a technical level, that conjugated double bond changes both chemical and physical behavior. We’ve run head-to-head stability and reactivity tests, revealing how methyl 2-butenoate holds up under both basic and acidic catalysis, something that can’t be guaranteed with less-refined material. Regular feedback from end users confirmed our internal studies: batches that meet our tight GC standards avoid unwanted polymerization during storage or transit, especially when left for months at a customer warehouse.
There’s also the question of solvent compatibility in industrial polymerization or specialty synthesis. Methyl 2-butenoate has a solvent profile that gives greater latitude for compatibility with both polar and non-polar media. This improves blending and in-process control, with fewer surprises downstream—a lesson we learned after years of watching less refined material cause separation, emulsion failures, or inconsistent conversion rates.
We believe that how you make a compound matters as much as the compound itself. Our production environments keep the focus on tight temperature control, thorough mixing under inert atmosphere, and disciplined sampling at every stage. Acid scavengers, regular distillation column maintenance, and a sharp eye on incoming methanol and crotonic acid raw material keep the product’s backbone intact. Skilled operators monitor each batch for signs of side-reactions—whether from metal contamination, raw stock variability, or minute changes in plant humidity.
We also build in redundancies—the possibility of power loss, cooling system failure, or feeder miscalibration is not just theoretical. Being a direct producer, we don’t rely on paperwork guarantees or bland quality promise statements. Instead, we record and review process data for every lot, using deviations as learning tools, not as audit cover. This culture keeps us moving forward, not resting on catalog purity or certificate of analysis alone.
Decades of manufacturing lets us collect not just chemical data but real stories from customers and partners. We routinely visit contract manufacturing sites or invite process engineers to our plant, building shared solutions for scale-up or custom requirements. Some applications require ultra-low aldehyde content for photoinitiator synthesis or polymer intermediates. In these cases, we adapt the purification route—sometimes re-distilling under higher vacuum, sometimes using custom scavengers—and ship within days instead of weeks from synthesis.
Users in the pharmaceuticals and aroma sectors often push for traceability and repeat delivery. Having full-chain logistical control, including our on-site analytical support, paves the way for reliable documentation and root-cause identification whenever a batch falls short of a client’s expectations. We do not make excuses about external sourcing or blame unclear specifications; as the primary manufacturer, we take every technical or logistical hiccup seriously, learning not only what failed but also why it happened.
Working with chemicals at scale means keeping one eye on worker safety and another on regulatory compliance. We treat methyl 2-butenoate as both a resource and a responsibility. Safety training and regular environmental audits go into every run and lot—a living practice, not a paperwork routine. Since esters like methyl 2-butenoate may hydrolyze to acids or release volatile organic compounds, we rely on closed-system handling, local industrial ventilation, and batch-by-batch emission monitoring. These controls cut fugitive emissions and help meet or exceed standards set by occupational health authorities and environmental regulators.
Waste solvent and byproduct handling also matter. Waste minimization is not a slogan—our practice centers on solvent recycling, on-site neutralization, and tracking of waste streams from the tank farm through shipping. Fewer surprises for our staff and neighbors, less chance of regulatory headaches, and a sharper total cost structure for the customer.
While many see mature chemicals as finished products, direct manufacturing shows plenty of room for improvement. Process optimization is a continuous path—our operations team routinely tests new reaction setups, distillation sequences, and in-line monitoring systems. For methyl 2-butenoate, small changes in heater geometry, distillation feed rates, cooling capacity, or nitrogen blanketing sometimes cut months off troubleshooting and quality drift.
We've invested in both continuous flow pilot lines and digital plant controls, allowing more predictable output and precise targeting of special quality requirements—whether that means extra-fine dosing for pharma clients, or higher stability for flavor houses. This flexibility grows from our ground-up investment in both plant equipment and people, not from advertising or market positioning.
Beyond internal improvements, we stay active in technical partnerships and chemical communities. Sharing analytical data, participating in round-robin method validations, or comparing notes on solvent stability benefits every manufacturer—ourselves included. By focusing on experience and know-how, we sidestep fads and stick to what genuinely works.
Chemicals like methyl 2-butenoate don’t just pass through our facilities—they shape the way we design new plants, train operators, and plan for safer, cleaner output. We’ve replaced solvent-heavy operations with more closed-loop methods and added advanced vapor recovery throughout loading docks and storage. These investments cut exposure risk for our staff, reduce environmental burdens, and provide steady assurance for nearby communities who trust us to do the right thing, not just the easy thing.
In our view, sustainability doesn’t mean compromise. It means getting more from less through smarter chemistry—a lesson learned from thousands of batch records, years of technical challenges, and close relationships with upstream suppliers. We follow guidance set out by industry best practices while pushing innovation in energy use, transport mode, and packaging selection. Each time a new efficiency or reduction kicks in, quality picks up and real cost advantages appear both for us and for the customer.
Serving clients across multiple sectors brings surprises. Supply chain disruption, feedstock variability, or new regulatory standards can trip up even the best-laid plans. Facing them as a primary manufacturer, though, means tackling the root cause: adjusting lot scheduling, doubling up reserves of high-purity crotonic acid, or taking shipment direct from methanol producers who’ve passed long-term reliability audits. We’ve learned to stay agile—changing scrubber operation methods to meet emission rules, restaffing blending lines on short timelines, or responding to new purity requirements from a client ramping up a new API line.
Every incident or customer call brings insight. Whether it’s an accidental overcharge in a batch reactor, a single drum out-of-spec after shipment in peak summer, or a sudden drop in conversion rates on a customer's pilot line, we connect directly with technical staff, not answering machines or chain-of-custody paperwork. This keeps us grounded and motivated to improve both process and outcome, with real data shaping what we do every day.
In large-scale specialty chemicals, talk often circles around supply chain flexibility and paperwork guarantees. Our commitment cuts deeper—holding ourselves responsible for each batch, staying ahead of changing regulatory and safety landscapes, and putting process improvements into practice before auditors or regulations demand it. Methyl 2-butenoate production at our facility reflects the discipline, pride, and direct technical engagement built over years of hands-on experience. Customers tell us they see the result in their own product lines—fewer headaches, stronger process reliability, and more value extracted from every order.
Direct manufacturing, as we practice it, keeps us close to the realities, the risks, and the rewards of chemical production. We don’t just ship barrels—we build partnerships, anticipate challenges, and champion the safe, effective, and responsible use of methyl 2-butenoate from the minute it leaves our plant until it reaches its next role in the chemical value chain. This is what sets our approach apart, and it shapes every decision we make.