3-Butenenitrile

    • Product Name: 3-Butenenitrile
    • Alias: Crotononitrile
    • Einecs: 203-696-6
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    332139

    Cas Number 109-74-0
    Iupac Name but-3-enenitrile
    Molecular Formula C4H5N
    Molar Mass 67.09 g/mol
    Appearance Colorless liquid
    Boiling Point 110-111 °C
    Melting Point -97 °C
    Density 0.805 g/cm3
    Solubility In Water Slightly soluble
    Flash Point 16 °C
    Vapor Pressure 36 mmHg (20 °C)
    Refractive Index 1.418

    As an accredited 3-Butenenitrile factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 3-Butenenitrile is packaged in a 500 mL amber glass bottle with a secure screw cap and hazard labeling for safe transport.
    Shipping 3-Butenenitrile should be shipped in tightly sealed containers, protected from heat and ignition sources. It is flammable and toxic, requiring labeling as a hazardous material. Transport must comply with regulations for toxic and flammable liquids, ensuring proper ventilation and spill containment. Personnel handling shipments should use appropriate protective equipment.
    Storage 3-Butenenitrile should be stored in a cool, dry, and well-ventilated area away from sources of ignition, heat, and incompatible substances such as strong oxidizers and acids. It must be kept in tightly sealed containers, clearly labeled, and protected from moisture. Proper grounding and bonding are recommended to prevent static discharge. Access should be limited to trained personnel.
    Application of 3-Butenenitrile

    Purity 99%: 3-Butenenitrile with purity 99% is used in pharmaceutical intermediate synthesis, where it ensures high reaction yield and product quality.

    Molecular weight 67.09 g/mol: 3-Butenenitrile with a molecular weight of 67.09 g/mol is used in organic synthesis applications, where it enables predictable reaction stoichiometry.

    Boiling point 76°C: 3-Butenenitrile with a boiling point of 76°C is used in low-temperature distillation processes, where it allows efficient separation and purification.

    Low water content ≤0.1%: 3-Butenenitrile with low water content (≤0.1%) is used in moisture-sensitive polymerization, where it prevents hydrolysis and improves polymer quality.

    Stability temperature up to 60°C: 3-Butenenitrile stable up to 60°C is used in industrial processing conditions, where it maintains chemical integrity during extended operations.

    Refractive index 1.404: 3-Butenenitrile with a refractive index of 1.404 is used in formulation development, where it aids in precise analytical monitoring.

    GC Assay >98%: 3-Butenenitrile with GC assay >98% is used in fine chemical manufacturing, where it supports stringent quality control standards.

    Specific gravity 0.805: 3-Butenenitrile with specific gravity 0.805 is used in density-based separation techniques, where it enables optimized process efficiency.

    Free Quote

    Competitive 3-Butenenitrile 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

    Get Free Quote of Ascent Petrochem Holdings Co., Limited

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    3-Butenenitrile — Insights from a Chemical Manufacturer

    At our facility, we have spent years shaping the production of 3-Butenenitrile, also known by its CAS number 109-74-0. The moment you step onto the plant floor during synthesis, you notice right away what sets this compound apart. The clear, colorless liquid carries a distinctive, sharp odor, a constant reminder of the chemistry at work. As a true manufacturer, we ground our understanding in each batch, always conscious of conditions that can influence yield or quality. Our most popular spec holds a minimum purity of 99%, water kept under 0.1%, and acidity lower than 0.001 mol/L. Most customers purchase in 200-kilogram drum lots, but for large-scale polymerizations or custom intermediates, we accommodate ISO tanks as well. These choices are not abstract; clients trust consistency to drive efficiency across chlorination, amide synthesis, and high-performance plastic fields.

    Our Manufacturing Perspective

    Years in the lab and production line have taught us the subtle details that laboratory journals rarely record. Production of 3-Butenenitrile requires robust control over reaction temperatures and feedstock ratios. A slight deviation and you risk raised levels of side products like crotononitrile or traces of hydrocyanic acid, neither of which customers want contaminating their downstream syntheses. Each round of distillation receives extra scrutiny, because small impurities can gum up catalysts or drive unexpected color formation in final polymers. Even in modern plants, these points matter more than usual data sheets suggest. In fact, regular maintenance of our copper-based dehydrogenation reactors pays dividends — operators spot leaks early, and purity stays high across every shipment. Our experience demonstrates you cannot shortcut any step, not if you aim to deliver a reagent that helps customers avoid process headaches down the road.

    Product Uses as Understood from the Factory Floor

    Our major buyers run plants in pharmaceuticals, agrochemicals, high-performance resins, and specialty solvents. For pharma groups, 3-Butenenitrile gives an accessible route toward intermediates like glutarimide derivatives or specialty piperidines. Success here depends on purity: a poorly distilled lot throws off expensive hydrogenation steps, often forcing weeks of rework. Agrochemical synthesis, a growing segment, integrates this molecule into selective herbicides and fungicidal products. Out in the field, minor solvents or color changes can mean millions lost in a failed crop application — so our focus stays on reproducibility sample after sample. Some technical resin houses use 3-Butenenitrile as a monomer to deliver rare properties — their engineers want the intact carbon–carbon double bond, while the cyano group enables further functionalizations. These chemists report fewer side reactions and better molecular weights when the feedstock comes straight from our pressurized tanks, kept dry with real-time Karl Fischer monitoring and careful nitrogen blanketing. We learned early that no specification or certificate matters unless it accurately matches what gets loaded onto the truck each run.

    What Makes 3-Butenenitrile Distinct from Close Relatives

    Often, process engineers ask how 3-Butenenitrile compares with similar compounds, especially acrylonitrile, crotononitrile, or straight-chain nitriles like propionitrile. We have run those syntheses too, and the differences show up not just in molecular formula but also in real-world process impacts. Acrylonitrile, one molecule shorter and with a more reactive double bond, tends to polymerize under mild conditions — fine for high-throughput polymerizations like ABS plastics, but risky for labs needing a stable intermediate. Crotononitrile brings in a methyl group, shifting reactivity and boiling point, which can aid in some specialty lubricants but can’t deliver the same clean additions during pharma synthesis. Customers chasing a specific substitution pattern prefer 3-Butenenitrile, as its unsaturation sits away from the nitrile, making it a flexible addition to a wide map of transformations. Propionitrile, often seen in solvent systems, lacks both the double bond and transformation versatility, limiting its use in functional group interconversions.

    We have seen plants try to switch to lower-priced crotononitrile, only to deal with yield drops and new hazards in their distillation trains. That switch rarely pays off after you factor in the costs of process adjustments and extra waste management. Likewise, acrylonitrile’s tendency to homopolymerize straight in storage creates headaches for any plant without sophisticated stabilizing agents on hand. Years of feedback tell us that end users who require regioselective additions, easy access to five-membered rings, or further elaboration toward fine chemicals return to 3-Butenenitrile as their workhorse building block. That insight comes less from textbooks and more from letters, calls, even site visits reporting real bottlenecks at different refineries or synthesis plants.

    Meeting Regulations and Handling Safety

    Producers like us do not have the luxury of ignoring safety challenges. 3-Butenenitrile carries its own risks: toxicity through inhalation, flammability, and potential for environmental harm if released. Our teams receive constant updates on local and international standards, always aligning our containment, ventilation, and loading protocols with those best practices. In hot seasons, increased volatility demands closed transfer rigs and frequent monitoring of workplace air — even a minor exposure can make a difference for those spending days on the floor. Regular hazardous waste drills and investment in explosion-proof pumps build a safety culture that does not rely on luck. We upgrade leak detection sensors whenever improvements become available, and the lessons from every minor incident drive our operating procedures forward.

    Transport and delivery stay carefully controlled as well. All drums and tanks leave our facility with double-sealed packaging, transported on routes proven to minimize risk near residential zones. We never delegate this duty to entities without verified staff training in chemical handling, since problems on the road can have long ripple effects through supply chains and communities. We notify downstream users of compliance details, from REACH registrations to regional EPA permits, so they can track regulatory shifts right along with us. This sort of discipline sets a true manufacturer apart from brokers or casual importers, and we take the trust customers show in our batches seriously.

    Sustainability, Waste, and Future Directions

    Chemical manufacturing faces global pressure to do more with less, and 3-Butenenitrile supply chains are no exception. Our current method relies heavily on butadiene as the backbone feedstock, using copper-promoted dehydrogenation with ammonia to yield the nitrile function. Decades past, older plants saw yields capped at 50–60% due to side reactions, but regular R&D investments now push conversion toward 80% in our reactors. Upgrading these systems required years of investment — new heat exchangers, tighter control over ammonia flows, and better waste ammonia recycling. Plant water usage now stays below 1.2 tons per ton product, with closed washing systems reducing discharge. What we return to the local wastewater plant stays well within discharge limits on both nitriles and organic load, tracked by our own daily bench chemistry and outside audits every quarter.

    Dealing with hydrogen cyanide byproducts remains a challenge. We deploy dedicated scrubbers and maintain emergency reservoirs to catch off-gassing, since even brief spikes above permissible limits can trigger regulatory intervention. Some byproducts become feedstock for other in-house reactions, keeping raw material usage efficient and minimizing disposal. Occasionally, we partner with neighboring plants able to use off-grade 3-Butenenitrile in less demanding markets, further closing the loop. Our ambition for the next decade centers on improved catalyst recovery and continuous processing techniques, targeting both lower energy demand and sharper selectivity. Our newer sites already trial membrane separation for solvent recapture, and pilot lines explore biobased alternatives as bio-butadiene sources scale up worldwide. Sustainability, for us, links directly to plant economics — less waste means lower cost and more room for downstream innovation.

    New Developments and End-User Innovations

    Watching our product leave the gates is only step one. Real value comes from open conversation with the chemists using 3-Butenenitrile in creative ways. We learned recently of one pharma client integrating our material as a cycloaddition partner for rare alkaloid frameworks, reducing both solvent use and synthesis time. Resin customers continue to refine curing profiles, searching for improved temperature resistance or biocompatibility. These uses directly shape how we invest in next-generation purification — if a single contaminant type shows up too often in customer analysis, our teams adjust column packing or distillation rates until the problem disappears batch after batch. The feedback loop between plant floor and end user is alive and well. Each feature of our spec sheet — whether moisture control, peroxide content, or trace solvent residual — reflects years of such adjustments based on application-specific need rather than generic industry templates.

    We also recognize emerging opportunities. The surge in demand for cost-effective but semi-versatile unsaturated monomers has created completely new business for our plant in UV-cured coatings, specialty adhesives, and optoelectronic intermediates. Here, the reactivity profile of 3-Butenenitrile, with its combination of accessible double bond and stable cyano group, opens up controlled radical additions as well as Michael additions. Our dedicated technical support team fields questions about everything from pilot-scale batch issues to regulatory queries, always feeding real-world concerns back to production. Technical sales and R&D sit together in our facility, reviewing project updates and plant diagnoses side by side — avoiding gaps you often see between manufacturing and application engineering in larger, more compartmentalized operations.

    Quality Discipline: From Sourcing to Delivery

    Reliable 3-Butenenitrile stems from more than just a recipe on paper. Every batch starts with strict vetting of bulk butadiene, as trace sulfur or diene impurities quickly degrade catalyst life. Our purchasing department keeps close ties with upstream refiners, pre-qualifying every supplier rather than shopping solely on spot price. Incoming shipments undergo quick GC-FID scans, and if data shows out-of-spec content, product gets re-routed or rejected without hesitation. Operators document each process transfer, logging parameters for both audit compliance and internal troubleshooting. Sometimes the unplanned events — a pump seal replacement, a compressor pressure fluctuation — reveal hidden sources of minor impurity carryover, and we treat every “ nuisance” event as an opportunity to harden the process. Years of accumulated shift logs and in-plant monitoring enable us to handle spikes in demand without slipping in output quality. Experience in production has created real institutional wisdom; our crew knows precisely which valves must run at which torque to minimize foaming or how to identify subtle changes in residue color before something bigger fails. This everyday resilience keeps customers equipped for their own experiments, trials, and scale-outs.

    Real-World Purchasing Experience

    Procurement teams know a lot more today than they did even five years ago. Most buyers demand transparency about origin, handling, and true risk data — not just whether a certificate matches an ISO template. Our direct relationship with end users means more phone calls, more tailored documentation, and real-time logistics checks. If weather or strikes or plant issues threaten a scheduled shipment, we notify partners immediately, providing options and updated timelines instead of stock emails. Small and mid-sized customers often ask for sampling support, including chilled express deliveries or co-packed stabilizers, and our team delivers so research work never stalls waiting for material. Some competitors might promise rock-bottom prices for “generic” 3-Butenenitrile, but hidden costs show up through inconsistent quality, supply interruptions, or missing hazard paperwork. Over time, every serious buyer recognizes the difference between an experienced manufacturing partner and a reseller with little stake in long-term outcomes.

    Our Commitment Moving Forward

    We stake our long-term business on technical excellence, customer understanding, and disciplined risk management. Our experience in 3-Butenenitrile manufacturing tells us success hinges on rigorous process control, transparent documentation, and a willingness to adapt as client needs change. With every ton shipped, we trace our product's journey not only through pipelines and trucks, but also through each innovation and challenge our customers share back with us. This feedback shapes investments in plant upgrades, safety measures, and new chemistries year after year. We see this compound not as a generic commodity, but as a flexible foundation for custom solutions, competitive advantage, and chemical progress built on trust and facts. Every detail, from reactor operation to customer support, threads together a legacy of craftsmanship — informing how we meet tomorrow’s standards, both inside the plant and in the products that enable forward-thinking chemistry worldwide.

    Top