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4-Vinyl-1-Cyclohexene

    • Product Name 4-Vinyl-1-Cyclohexene
    • Alias 4-Vinylcyclohexene
    • Einecs 203-438-2
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    938356

    Cas Number 100-40-3
    Molecular Formula C8H12
    Molar Mass 108.18 g/mol
    Appearance Colorless liquid
    Odor Mild, pleasant odor
    Density 0.827 g/cm³ (at 20°C)
    Melting Point -85°C
    Boiling Point 138°C
    Flash Point 21°C (closed cup)
    Solubility In Water Insoluble
    Refractive Index 1.488 (at 20°C)
    Vapor Pressure 7 mmHg (at 25°C)

    As an accredited 4-Vinyl-1-Cyclohexene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle containing 500 mL of 4-Vinyl-1-Cyclohexene, tightly sealed, labeled with hazard and chemical information.
    Shipping 4-Vinyl-1-Cyclohexene is shipped in tightly sealed, approved containers designed for flammable liquids. It requires labeling as a hazardous material (flammable, UN 1303) and adherence to temperature controls to minimize evaporation and fire risk. Transport must comply with national and international regulations for chemical safety and environmental protection.
    Storage 4-Vinyl-1-cyclohexene should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and heat. It must be kept in tightly closed, clearly labeled containers made of compatible materials. The storage area should be equipped with proper spill containment and kept away from oxidizing agents, acids, and direct sunlight to prevent decomposition or hazardous reactions.
    Application of 4-Vinyl-1-Cyclohexene

    Applications of 4-Vinyl-1-Cyclohexene in Industrial Manufacturing

    As a direct manufacturer of 4-Vinyl-1-Cyclohexene, we operate advanced integrated production facilities supplying high-purity material to leading multinational chemical enterprises. The following sections outline its proven downstream applications, process routes, sector-specific usage ratios, and required international standards. Every example below reflects established demand from large-scale industry partners in thermoset polymers, synthetic elastomers, and related performance intermediates.

    1. Intermediate for Ethylene-Propylene-Diene Monomer (EPDM) Elastomer Production

    4-Vinyl-1-Cyclohexene serves as a critical diene monomer during EPDM synthesis, contributing to cross-linkable unsaturation at defined sites within the polymer backbone. Large-volume elastomer plants utilize this raw material in continuously controlled polymerization systems for high-reliability automotive sealants, insulation, and roofing membranes. Accurate dosing is essential to maintain elastomeric properties under global climate and mechanical stress requirements.

    Industry compliance standards

    • ISO 4632-2:2015 (Rubber, vulcanized or thermoplastic – Determination of diene content)
    • ASTM D3900 (Standard Test Methods for Rubber—Diene Analysis by NMR Spectroscopy)
    • IATF 16949 (Automotive Sector Quality Management System)
    • REACH Annex XVII (Restriction of Polymeric Dienes in Europe)

    Typical usage ratio

    • As a third monomer, dosing usually ranges from 2–12 wt% relative to total monomers; ratio adjusted based on required ethylene/propylene/diene proportions for mechanical performance and vulcanization reactivity.

    Downstream process integration

    • Direct addition via metered feed to solution or slurry phase Ziegler-Natta or metallocene-catalyzed reactors, following precise balance with ethylene and propylene flow during bulk continuous or batch polymerization.

    Final product types

    • Automotive weatherstrips, hose liners, roof membranes, cable insulation, vibration isolation pads, industrial seals.

    2. Precursor in Specialty Polyolefin Modifier Synthesis

    Downstream modification of polyethylene or polypropylene often employs 4-Vinyl-1-Cyclohexene as a reactive co-monomer to introduce controlled unsaturation. Polymer compounders in wire and cable or specialty film sectors blend this raw material for improved melt processability, compatibility with other functional modifiers, and thermal stability enhancements, supporting global regulatory compliance for demanding end-use applications.

    Industry compliance standards

    • UL 1581 (Reference Standard for Electrical Wires, Cables, and Flexible Cords)
    • IEC 60811 (Electric and Optical Fibre Cables – Test Methods for Polymer Insulation)
    • RoHS Directive (2011/65/EU) – Limitation of Hazardous Substances
    • ISO 14001 (Environmental Management for chemical processing)

    Typical usage ratio

    • Usually incorporated at 0.5–4.0 wt% relative to base polymer for masterbatch or in-line blending; higher dosages risk processing instability or gel formation.

    Downstream process integration

    • Fed as a liquid monomer into reactive extrusion, melt grafting, or copolymerization reactors with controlled residence time and temperature; post-reactor stabilization via antioxidant packages is routine before pelleting or finished goods conversion.

    Final product types

    • Halogen-free flame-retardant cable compounds, heat-shrink film grades, polypropylene modification additives, cross-linked polyethylene base resins.

    3. Synthesis of Cycloaliphatic Epoxy Resin Performance Modifiers

    Producers of high-performance cycloaliphatic epoxy systems use 4-Vinyl-1-Cyclohexene as a reactive intermediate for precisely engineering resin flexibility, adhesion, and impact resistance. These systems meet sector-specific requirements for electronics encapsulation and UV-curable coatings, providing balanced mechanical properties and resistance to aggressive chemical environments.

    Industry compliance standards

    • IPC-4101 (Specification for Base Materials for Rigid and Multilayer Printed Boards)
    • UL 94 (Standard for Tests for Flammability of Plastic Materials)
    • ISO 178 (Plastics – Determination of flexural properties)
    • REACH Registration (Specifically for cycloaliphatic epoxies and their intermediates in the EU)

    Typical usage ratio

    • In epoxy modification, typically 3–8 mol% based on total resin formulation; percentage adjusted per mechanical, rheological, and curing profile specifications of the target application.

    Downstream process integration

    • Pre-reacted into diglycidyl ether intermediates or introduced in-situ during multi-step cyclization and functionalization with peracids or anhydrides before formulation into two-component systems or solventless resin blends.

    Final product types

    • Electronic encapsulation compounds, LED optical adhesives, UV-cure protective coatings, insulation varnishes for high-reliability electrical equipment.

    4. Manufacture of High-Purity Tetrahydroindene and Related Intermediates

    Custom chemical manufacturers utilize 4-Vinyl-1-Cyclohexene as a building block for hydrogenation and condensation sequences leading to the production of tetrahydroindene and analogous cycloalkene-based intermediates. These specialty intermediates are key in the synthesis of advanced performance additives, fuel and lubricant co-monomers, and monomeric resins for hybrid polymer architectures deployed in industrial and transportation sectors.

    Industry compliance standards

    • ISO 9001 (Quality Management in process chemical synthesis)
    • GMP for Industrial Intermediates (where applicable in flavors, lubricants or specialty monomers)
    • Globally Harmonized System (GHS) for hazardous processing and documentation
    • Custom requirements of end-use automotive or aviation OEMs (for example, Daimler DBL or Boeing BMS specifications as referenced by client)

    Typical usage ratio

    • Introduced at 1.5–15 wt% in hydrogenation/condensation reactors; actual ratio determined by final purification requirements and downstream product yield optimization. Pre-treatment and in-process GC monitoring ensure reaction specificity.

    Downstream process integration

    • Charged as a feedstock to continuous hydrogenation units with supported nickel catalysts or batch condensation reactors for ring closure, followed by distillation and solvent exchange; high-purity fractions isolated for onward chemical transformation.

    Final product types

    • High-purity tetrahydroindene for hybrid resin synthesis, performance fuel additives, rubber adhesive intermediates, specialty lubricant components.

    5. Crosslinking Agent for Thermoset Polyester Powder Coatings

    Top-tier powder coating manufacturers blend 4-Vinyl-1-Cyclohexene as a specialty crosslinking monomer to enhance chemical resistance, gloss retention, and weatherability in architectural and appliance coatings. This application leverages the compound’s cyclic structure to drive crosslink density and improve aging characteristics under repeated UV and moisture exposure, supporting the production of long-life, low-maintenance surfaces for commercial infrastructure projects.

    Industry compliance standards

    • EN 13523-10 (Prepainted Metal – Assessment of Resistance to Humidity)
    • Qualicoat and GSB International (Architectural Coating Approval Programs – Europe)
    • ASTM D3359 (Standard Test Methods for Measuring Adhesion by Tape Test)
    • ISO 2810 (Paints and varnishes – Natural weathering exposure tests)

    Typical usage ratio

    • Blended at 0.5–3.0 wt% of finished coating composite; exact percentage determined by end-use exposure class and compatibility with polyester resin precursors and curing accelerators.

    Downstream process integration

    • Premixed into the resin melt with other crosslinkable agents, then extruded, pulverized, and sieved before application; post-cure temperature and time tightly controlled to complete network formation and achieve specified mechanical/optical properties.

    Final product types

    • Architectural powder coatings, appliance exteriors, exterior-grade racking and fencing, industrial machinery surfaces.
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    Competitive 4-Vinyl-1-Cyclohexene prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    4-Vinyl-1-Cyclohexene: Product Introduction and Insights from the Manufacturer’s Floor

    In the chemical industry, daily routine rarely feels routine. Each product we craft tells a story about innovation, reliability, and careful stewardship of both raw materials and application knowledge. Few molecules illustrate this better than 4-Vinyl-1-Cyclohexene.

    What Sets 4-Vinyl-1-Cyclohexene Apart

    Anyone who spends time among reactors, distillation towers, and analytical tables soon learns that 4-Vinyl-1-Cyclohexene stands apart for its particular balance of reactivity and structure. As a specialty cycloolefin, we manufacture each batch to meet the needs of polymer and elastomer producers who can’t afford to roll the dice with inconsistencies.

    4-Vinyl-1-Cyclohexene, with its molecular formula C8H12, appears as a colorless liquid at room temperature. It comes from the dimerization of 1,3-butadiene—a process that rewards patience and careful process control. The product features both vinyl and cyclohexene groups, which makes it much more than just another petrochemical derivative. That structure doesn’t just alter its handling; it alters how it reacts and where it proves most valuable.

    Models, Grades, and Specifications: What Drives Our Choices

    Our team knows exact specifications can make or break a final product. Nothing causes more stress down the chain than volatility in purity, water content, or stabilization. That’s why we focus on consistent process parameters, sample validation, and hands-on inspection for every drum and every tank. Typical samples reach a purity above 98%, with minimal peroxide content and strict limits on color and moisture. Stabilization prevents unwanted polymerization during transport and storage.

    We’ve invested in catalysts and separation columns that give us reliable yields on each campaign. Colleagues from R&D keep a close eye on any slight drift, tracking oxygen contamination, temperature variance, or even the subtle influences of batch-to-batch differences in butadiene feedstock. Instead of mass producing a generic commodity, our approach means manufacturers don’t sacrifice downstream quality in the name of short-term savings.

    Where 4-Vinyl-1-Cyclohexene Finds Its Real Value

    Customers in the polymer and elastomer sectors come to us not because 4-Vinyl-1-Cyclohexene is the cheapest raw material, but because it fills a need that cheaper alternatives can’t touch. For instance, it offers a unique route to specialty EPDM rubbers and resins with tailored flexibility, heat resistance, and chemical stability. These end products serve everywhere from automotive parts, hoses, wire and cable insulation to coatings that tolerate years of UV stress or dynamic movement.

    In radical polymerization, the vinyl group makes the molecule highly receptive to copolymerization. Meanwhile, the rigid cyclohexene ring serves as an anchor, locking in desirable physical properties. Test after test shows that the addition of even a minor proportion improves resistance to aging, avoids undesired cross-linking seen with simpler olefins, and maintains a practical balance between softness and strength. It’s this backbone that designers rely on to meet specifications not achievable with basic dienes or straight-chain vinyls.

    As producers, we see the difference during pilot runs with partners. Blends using lower-grade or alternative cycloolefins consistently fall short in impact resistance or thermal stability. That feedback drives tighter controls here on our site: adjusting pressure profiles, revalidating our stabilizer additions, and scrutinizing trace element accumulations that other producers might dismiss as background noise.

    Understanding the Nuances: Comparing Cycloolefins from a Maker’s Perspective

    For us, the value of 4-Vinyl-1-Cyclohexene comes into sharper focus when stacked up against both simple cyclic olefins like cyclohexene or more complex ones such as norbornene derivatives. Cyclohexene offers less reactivity—it tends to sit quietly in the mix. Norbornene analogs enable greater rigidity but at higher cost and with handling difficulties that complicate scale-up.

    In comparison, 4-Vinyl-1-Cyclohexene occupies a productive middle ground. It supplies reactive sites for chains that need branching and flexibility at the same time. For resin designers looking to balance transparency, impact resistance, and moldability, this option rarely disappoints. Plus, it avoids unwanted byproducts commonly formed under harsher polymerization conditions associated with more strained bicyclic structures.

    Ailments like ‘ghosting’—unexpected haze or discoloration in molded goods—almost always trace back to impurities or inconsistent stabilizer levels in the feedstock. We’ve learned, batch by batch, that nothing replaces attention to detail during manufacturing and packaging. That focus enables results not just on the analytical bench but in real-world, end-user applications.

    Lessons Learned Over Years of Continuous Production

    Our journey with 4-Vinyl-1-Cyclohexene didn’t happen overnight. Early years brought plenty of trial and error—fouled reactors, polymer “popcorn” in pipes, and surprises during scaling from pilot plant to full runs. Collecting failed samples taught us which stabilizers made the difference and how a few degrees’ swing in reaction temperature shifts the product landscape.

    One incident lingers in my memory: a pressure swing in the distillation column let some higher-boiling fraction slip through. That seemingly minor slip left one customer struggling with downstream filtration for weeks. Lessons like that change how a manufacturer treats both quality assurance and customer trust. Now, we run full-spectrum analytics before, during, and after stabilization, looping data back into process control systems. Problems spotted at the source never grow big enough to reach our clients.

    Instead of standardizing “typical grades,” we adjust our campaign targets for each batch, building trust by accommodating feedback from polymer chemists, not just specs from purchasing departments. That human loop—real engineers talking to real producers—improves practical, hands-on knowledge about what works and what falls short during application.

    Every few months, we compare fresh shipments with retained golden samples from previous years. Those trends help us tweak feedstock ratios, catalyst dosing, and stabilization chemistry over time. The iterative process sets our approach apart from companies stuck on autopilot: change nothing, accept whatever leaves the end of the pipe, then chase after customer complaints. We prefer to spot issues before they cause disruptions downstream.

    Addressing Industry Needs: Quality, Safety, and Sustainability

    As a manufacturer, it’s clear that customers ask more questions than ever about both product safety and upstream environmental practices. No one wants surprises in shipping or uncertainty about the REACH or TSCA registration status of a critical building block. Here, we address concerns openly—sharing not just routine certificates of analysis but also in-depth safety, handling, and environmental briefing before each first-time shipment.

    Every operator gets recurring training on the right way to handle possible leaks, fires, or storage mishaps. Over time, we moved to closed-transfer systems and remote monitoring of tank farms to reduce vapor escape and exposure during loading—both vital steps in protecting workers and the environment. Residual monomer management matters. Spill response drills and segregated waste systems earned us both cleaner yards and improved audits.

    Our factory team invests in continuous emission controls and responsible byproduct handling, edging production closer toward lower waste and regulatory alignment. The process still relies on hydrocarbon feedstocks, but stepwise improvements—energy recovery from exothermic steps, recycling of offgases, reduced solvent loss—bring us closer to the standards buyers increasingly demand.

    Real Challenges and Solutions: A Manufacturer’s Take on the Future

    Scaling up specialty chemical production rarely follows a straight path. Every market disruption—be it a shortage of butadiene, new environmental guidelines, or changing end-user expectations—forces operational shifts. We’ve faced raw material bottlenecks that stopped runs mid-stream. Friends in the business recount whole campaigns scrapped due to out-of-spec aromas or haze, making obvious how much rides on upstream controls.

    Instead of waiting for problems to land on the doorstep, we monitor not just our own output but gather routine feedback from compounding houses and end users. If a new additive trend emerges, or clearer transparency becomes the norm in plastics, we run test batches with altered stabilities, perform side-by-side pulls, and ship full comparative samples to R&D partners. Some ideas thrive. Others go back on the shelf. Either way, openness to change drives long-term trust. That’s a hard-won lesson shared by anyone with skin in specialty production.

    A recurring headache stems from logistics. 4-Vinyl-1-Cyclohexene’s double bonds leave it susceptible to self-polymerization if left warm, exposed, or without the right stabilizer. Sometimes supply chains run slower than planned. We overcame this through improved supply coordination—mirror storage closer to demand nodes, away from sun and heat spike, reinforced batch validation before each shipment, and clear movement trail logs. It’s not glamorous but saves time (and product) in the long run.

    End users don’t benefit from another mysterious drum that “should work.” They want material with a proven performance record. We tie our process history to every lot: not just the numbers, but personnel signatures, root-cause reviews, and final shipment checks signed by actual operators, not just automated approval scripts.

    Supply interruptions happen even in the best-run factories. Storms, regulatory pauses, and raw material outages test every producer’s resilience. We've built alliances across supplier networks, established redundant feedstock routes, and installed emergency stabilization methods that allow us to lock down production at moment’s notice—keeping batches safe and recoverable for later shipment. These aren’t just best practices. They’re born of lessons learned under pressure.

    Application Diversity: Staying Ahead of Market Evolution

    Meeting application needs doesn’t end at the shipping dock. The market for 4-Vinyl-1-Cyclohexene reaches past present uses. At trade shows and during collaborative trials, new demand arises for medical tubing, photovoltaic encapsulates, or composite resins for lightweight automotive parts. Often, a slight adjustment in stabilization or blending unlocks unexpected performance. Continuous partnership with formulation chemists allows us to respond before a new field becomes mainstream.

    Over the years, we’ve tracked how food-contact rules or medical approvals shifted demand toward cleaner, lower-residue grades. Where customers need higher optical clarity, we respond with extra purification steps and triple-filtration before packaging. If a particular end product demands reduced migratable residue, that’s not a sales pitch, but a commitment to tailored output. We don’t just read trend reports, we learn by visiting end-users, running demo extrusions, and listening to line operators about headaches with previous grades.

    That loop—where lab findings reach the shop floor and vice versa—leads to leaner, more responsive manufacturing over time. The result: less waste, better reliability, and faster turnaround for new applications, whether in specialty adhesives, tire compounds, or electronics encapsulation.

    Comparative Experience: Lessons from Real-World Production

    A few years back, one of our largest polymer partners conducted a comparative spanning cyclohexene, norbornene, and 4-Vinyl-1-Cyclohexene in identical resin systems. Neither the norbornene nor the linear vinyls matched the balance of flexibility and strength. Only ours allowed compounding to meet both impact and environmental resistance benchmarks, showing lower stress whitening after repeated flex cycles. Performance like that traces to both the ring structure and residual vinyl group—elements we can verify batch after batch because we refuse to cut corners in processing and validation.

    Every new challenge—be it lower allowable impurity thresholds, rising stabilization demands, or market shifts away from legacy additives—drives more process learning. An unexpected upside: cleaner product often means less downtime at the customer’s end. Extruder screws require fewer cleanings, injection molds pick up less fouling, and QA samples from their lines show tighter spec adherence. These aren’t promises pulled from a brochure, but outcomes gathered during visits, joint troubleshooting, and the occasional late-night phone call.

    Ongoing Process Improvements: Keeping Quality in Focus

    We don’t see quality as a box to be checked, but as a moving target. Equipment upgrades, new catalyst systems, and real-time analytics on raw material streams all factor into today’s plant. Quality control teams now wield handheld spectrometers for spot checks, not just periodic lab pulls. Every operator has “ownership” over their campaign, and signs off before product leaves their area.

    Over the past year, we trialed different post-reactor stabilization mix ratios. The small-scale tests flagged unexpected color picks in older formulas. Instead of “waiting for problems,” process engineers rerouted product, tweaked additions, and pressed for supplier upgrades. The result: tighter control over product quality, and happier end users.

    Where we once waited for lab confirmation, now process data links directly to shipment release. Problems surface in minutes now, not days. Colleagues under the same roof share process tweaks—one team’s solution to trace oxygen ingress during batch turnover saved hours and improved consistency downstream.

    Answering Questions About Safety and Handling

    Every operator on our team knows to respect the double bonds in 4-Vinyl-1-Cyclohexene. Long before drums or tankers ship out, our safety specialists run drills and training in both emergency response and standard operation. Years in the business taught us that shortcuts in protection or transfer can lead to dangerous chain-reactions—anything other than zero-incident handling isn’t worth the risk.

    Temperature, light, and stabilizer management play key roles in safeguarding each batch. It’s not just about documentation—every tote and drum traces to an operator’s name. We train newcomers not just “what to do,” but why it matters. Simple practices—check-tight seals, routine vapor checks, remote sensors, and double-block valves—aren’t optional. They’re the reason our records stay clean and our product reaches customers in spec.

    The Real Difference: Experience, Accountability, and Results

    Crafting 4-Vinyl-1-Cyclohexene to such a tight tolerance usually comes down to one thing: the accumulated skill of the people making it. Machinery helps, but the process history, practical insight, and accountability of operators and process engineers deliver the real value.

    Customers don’t care how many millions of pounds we produce a year—they care whether each drum, tote, or tanker matches the promise of the last one. Consistency, transparency, and open communication matter as much as any analytical number. Our partners want answers to technical questions, and they want someone on the other end of the call with hands-on, in-plant experience—not just a sales script.

    Over decades of production, we’ve seen plenty of theoretical shortcuts. None of them pay off like skill, diligence, and routine, hands-on oversight. We stand behind every lot shipped, and we welcome partners to review our practices, join our process audits, and see the daily commitment that goes into every pound of 4-Vinyl-1-Cyclohexene. Each day’s output reflects years of focus, learning, and respect for the material. That’s what makes the difference in real-world application and in long-term business relationships built on results, not empty promises.