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4-Vinyl-M-Xylene

    • Product Name 4-Vinyl-M-Xylene
    • Alias 2,4-Dimethylstyrene
    • Einecs 214-452-8
    • 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

    483893

    Cas Number 19594-36-6
    Molecular Formula C10H12
    Molecular Weight 132.20 g/mol
    Synonyms 4-Vinyl-1,3-dimethylbenzene; M-Xylyl Ethylene
    Appearance Colorless oily liquid
    Boiling Point 208-210 °C
    Density 0.92 g/cm3 (at 25°C)
    Flash Point 84 °C (183 °F)
    Melting Point -26 °C
    Refractive Index 1.553
    Solubility In Water Insoluble
    Smiles CC1=CC(=CC=C1C)C=C
    Inchi InChI=1S/C10H12/c1-8-4-5-10(7-3)9(2)6-8/h4-7H,1,3H2,2H3
    Pubchem Cid 124771
    Storage Conditions Store in a cool, dry, well-ventilated area

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

    Packing & Storage
    Packing Brown glass bottle, 250 mL, sealed with a screw cap, labeled with hazard warnings, manufacturer, batch number, and chemical details.
    Shipping 4-Vinyl-m-xylene is shipped as a flammable liquid, typically in tightly sealed, inert-compatible containers. Packages must comply with relevant hazardous material transport regulations (e.g., DOT, IATA, IMDG). Proper labeling—including UN identification and hazard class (UN 1993, Flammable Liquid)—is essential. Store and handle away from heat, sparks, and open flames during transit.
    Storage 4-Vinyl-m-xylene should be stored in a cool, dry, well-ventilated area away from sources of ignition and incompatible materials such as strong oxidizers. Keep the container tightly closed and protected from direct sunlight. Use containers made of materials compatible with aromatic hydrocarbons. Proper labeling and secondary containment are recommended to prevent accidental release or exposure.
    Application of 4-Vinyl-M-Xylene

    Applications of 4-Vinyl-M-Xylene in Industrial Manufacturing

    Our 4-vinyl-m-xylene is produced to address the specific requirements of advanced material synthesis in select chemical manufacturing sectors. Its unique vinyl-aromatic structure supports a range of downstream polymerization and resin modification processes, contributing to the performance and compliance targets of industries where precision and regulatory conformity are non-negotiable. The following sectors reflect the most widely recognized and validated application scenarios for this material.

    1. High-Performance Thermosetting Resins for Electrical Insulation

    4-vinyl-m-xylene acts as a specialty monomer to enhance the crosslinking density and dielectric properties of epoxy and polyimide resins used in electrical insulation applications. Wiring varnishes, circuit board encapsulants, and coil coatings rely on its controlled reactivity to meet demanding thermal endurance and electrical insulation standards, which govern the quality of insulating products in high-voltage equipment manufacturing. Our customers integrate this monomer during the resin polymerization stage, where the substitution pattern supports excellent processability and consistent insulation quality in the final cured resins.

    Industry compliance standards

    • IEC 60216 for electrical insulation thermal endurance
    • UL 1446 for systems of electrical insulation
    • RoHS Directive (2011/65/EU) for restricted hazardous substances
    • IPC-4101 for base materials in printed wiring boards

    Typical usage ratio

    • 1.5–6 wt% as a co-monomer in thermosetting resin systems
    • Ratio depends on end-use electrical property targets and the desired crosslinking profile

    Downstream process integration

    • Incorporation during initial blending of base resins, immediately prior to polymerization
    • Melt or solution blending followed by in situ polymerization under regulated temperature and catalyst conditions

    Final product types

    • Electrical coil varnishes
    • PCB encapsulation compounds
    • Magnet wire coatings
    • Rigid insulation laminates (G10/FR4 panels)

    2. Specialty Polyester and Copolymer Synthesis for Engineering Plastics

    In the domain of engineering thermoplastics, 4-vinyl-m-xylene introduces steric and electronic effects that benefit copolyester resin performance—particularly in applications demanding chemical resistance and form stability. As a non-standard di-substituted aromatic monomer, it modifies molecular chain architecture, resulting in plastics with improved solvent resistance, hydrolytic stability, and dimensional precision for molded parts. The additive is precisely dosed during polymer esterification to support property tuning in applications such as instrument housings and precision connectors.

    Industry compliance standards

    • ASTM D809, D882 for film tensile strength and elongation
    • REACH Regulation (EC) No 1907/2006 for substance registration
    • ISO 527 for tensile properties of plastics
    • UL 94 for plastics flammability classification

    Typical usage ratio

    • Up to 4 mol% of total aromatic monomer content in copolymer synthesis
    • Exact level is set based on targeted solvent resistance and molding flow characteristics

    Downstream process integration

    • Charged into the esterification or polycondensation reactor alongside primary dicarboxylic acids and diols
    • Participation as a comonomer during melt polycondensation step

    Final product types

    • Precision injection-molded technical parts
    • Electronic device connectors
    • Chemical-resistant enclosures
    • Instrument housings with tight dimensional tolerances

    3. Modified Alkyd Resins for Industrial Protective Coatings

    Alkyd resin producers utilize 4-vinyl-m-xylene to develop coatings with superior hardness, flexibility, and resistance to aggressive industrial environments. The monomer modifies the backbone of alkyd resins, permitting formulation of protective topcoats with long-lasting gloss retention and outstanding solvent, abrasion, and UV resistance. This performance is essential for coatings on heavy machinery, structural steel, and transportation infrastructure where failure modes are dictated by harsh operating conditions, not mere decorative wear.

    Industry compliance standards

    • ISO 12944 for corrosion protection of steel structures
    • ASTM D3363 for film hardness
    • SSPC Paint 20 (Society for Protective Coatings)
    • VOC compliance under 40 CFR Part 59 (US EPA)

    Typical usage ratio

    • Usually 2–6 wt% in modified alkyd resin synthesis
    • Adjusted according to specific requirements for hardness versus flexibility balance

    Downstream process integration

    • Dosed during the polyol–acid condensation phase, prior to final chain modification
    • Mixed with other monomers before transesterification step

    Final product types

    • Protective topcoats for factory equipment
    • Heavy-duty anti-corrosion paints for bridges and pipelines
    • Industrial structural steel primer-finishes
    • Maintenance coatings for transportation and infrastructure assets

    4. Functional Polystyrene Derivatives for Optical and Specialty Films

    Producers of premium polystyrene derivatives employ 4-vinyl-m-xylene to introduce rigidity and fine-tuned refractive index characteristics into their film-grade polymers. The material’s aromaticity modifies the optical clarity and mechanical resilience of extruded or cast films used in backlight modules, optical diffusers, and specialty packaging. It gets integrated at the radical polymerization step, with precise monomer ratios ensuring desired performance for visual and electronic-grade films.

    Industry compliance standards

    • JIS K6922 for optical plastics
    • ISO 178 for plastic flexural properties
    • RoHS compliance for electrical and electronic applications
    • FDA 21 CFR 177.1640 for certain food-contact films, where applicable

    Typical usage ratio

    • 0.5–3 wt% in specialty polystyrene or copolymer blends
    • Optimized based on requirements for clarity, refractive index, and impact strength

    Downstream process integration

    • Fed into the bulk or suspension polymerization reactor with styrene and other comonomers
    • Involvement during continuous or batch radical polymerization under controlled temperatures

    Final product types

    • Optical diffuser films for display backlighting
    • Light guide sheets for LCD/LED modules
    • High-clarity packaging films
    • Injection-molded optical housings

    5. Crosslinking Agent in UV-Curable Oligomer Systems

    Manufacturers of UV-curable coatings and inks add 4-vinyl-m-xylene as a reactive crosslinker to precisely control cured film hardness, chemical resistance, and gloss. The monomer’s vinyl groups ensure rapid network formation under photoinitiated curing, constructing molecular architectures for high-performance coatings on plastics, wood, and metals. The integration step and ratio selection are tightly linked to the viscosity, cure speed, and surface durability demanded in each specific downstream formulation.

    Industry compliance standards

    • EN 71-3 for migration of certain elements (applicable to toy coatings)
    • ISO 2811 for paint density measurement
    • ISO 11890 for determination of volatile organic compounds in coatings
    • CE marking and REACH SVHC compliance

    Typical usage ratio

    • 1–4 wt% in UV-oligomer blends for coatings and inks
    • Fine-tuned according to desired hardness, adhesion, and curing rate

    Downstream process integration

    • Added together with other oligomers and monomers during the final mixing step before UV curing
    • Participates in free-radical initiated network formation upon exposure to ultraviolet light

    Final product types

    • UV-curable topcoats for consumer electronics housings
    • Scratch-resistant coatings for wood and laminate flooring
    • High-gloss UV-cured offset inks
    • Industrial plastic and metal surface protection finishes
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    Certification & Compliance
    More Introduction

    4-Vinyl-m-Xylene: Bringing Consistency and Value from our Facility to Your Production

    Introducing Our 4-Vinyl-m-Xylene: What We Offer the Industry

    Over the years as a chemical manufacturer, we have watched market demands push for better control and higher reliability in each raw material carried through from batch to batch. For those in advanced polymer synthesis, chemical intermediates, or specialty coatings, the need for a steady, high-purity feedstock is crystal clear. That has shaped the way we develop and manufacture 4-vinyl-m-xylene. Our customers want clarity in specifications and dependable backing from the manufacturer's end.

    We produce 4-vinyl-m-xylene in-house using aromatic hydrocarbon routes refined from integrated processes. Our engineers and operators have invested hours optimizing conditions to minimize side reactions and deliver a final product with consistently low impurities. For clients, that means fewer upsets in their own plant and less troubleshooting down the line. Our material typically tests as a colorless to pale yellow liquid, with GC-assayed purity often above 99%. Having immediate access to upstream and downstream streams allows us to keep the supply stable and the specifications transparent.

    Industry Usage: Why 4-Vinyl-m-Xylene Matters in Chemical Synthesis

    In the crowded world of metabolic intermediates and specialty aromatics, not all xylene derivatives play the same role. We have seen 4-vinyl-m-xylene take a distinct place as a monomer or starting block for copolymers—mainly where manufacturers seek controlled molecular weights and defined microstructures. Laboratories and R&D clusters turn to this compound during pilot projects involving new polymer scaffolds, searching for functional groups that can withstand further derivatization.

    Our conversations with customers reveal that other vinyl xylenes don’t always fit. Isomers like ortho- and para-vinyl xylenes come with different reactivity and substituent effects, so the m-isomer (meta-positioned vinyl group) delivers a unique balance. The vinyl group, being reactive, encourages chain propagation, while the twin methyl groups add electron-donating character and thermal stability that often translates into finished polymer strength.

    In our own facility, 4-vinyl-m-xylene sometimes leaves for fence-line partners to feed into resin plants or surfactant makers. Some clients use it as a cross-linkable site in photoresist technology, others as a co-monomer in high-performance adhesives. Each use brings its own request for analytical support and customization.

    How We See Differences in the Market: 4-Vinyl-m-Xylene and its Neighbors

    Chemists often ask why choose 4-vinyl-m-xylene over other vinyl aromatic compounds or why not standard methylstyrenes. The answer sits in both chemical and process realities. Along with our analytical chemists, we have directly compared our m-xylene derivative to para-methylstyrene and styrene itself. Functional substitution on the aromatic ring brings changes in polymer reactivity, melting point, viscosity, and solubility in finished products.

    With two methyls on the benzene ring at meta positions, 4-vinyl-m-xylene stands apart from styrene, alpha-methylstyrene, and divinylbenzenes. Those extra methyl groups make the molecule bulkier, so finished copolymers often display increased softening points or specific solubility profiles ideal for certain electronic encapsulants. In contrast, para-vinyl toluene, with just one methyl, tracks closer to styrene in properties, sometimes limiting its use where more hydrophobic or sterically protected repeat units are needed. Chemical manufacturers—ourselves included—see the knock-on effects during every pilot-scale batch, where the subtle differences shift performance downstream.

    Efforts in Process Safety and Environmental Quality

    Every batch run matters. Decades ago, aromatic monomer production left us with problematic byproducts and environmental headaches. Today, process design and real-time monitoring get universal attention. Our 4-vinyl-m-xylene setups reflect this, from vapor collection through to closed-loop distillation. Operators oversee every transfer under controlled vapor recovery systems. Most off-spec product, instead of going off-site, gets internally recycled to ensure it does not become a waste stream.

    Throughout each year, regulatory bodies tighten air and discharge limits on aromatic tracks. We manage to keep within evolving standards through vigilant emissions scrubbing, batch-end stripping, and solvent recycling wherever feasible. Years of engagement with both regional and international guidelines reinforce that plant communities notice how facilities handle these chemicals. In-house training aligns with what our process safety consultants recommend—a practical focus on exposure control and containment.

    Achieving Purity and Reducing Cross-Contamination

    To meet polymerization standards, 4-vinyl-m-xylene must stay free from isomeric impurities, trace metals, or residual solvents that could poison catalysts. Our reactors and transfer lines dedicate themselves to aromatic vinyl chemistries during campaign runs. After years of troubleshooting, we now perform system cleans and validation checks before every product switch, lowering risks of cross-talk with other monomers or residual process aids. Our in-line GC scans look for off-flavors, while lab titrations and colorimetric assays flag any off-spec batches long before drums reach shipping docks.

    Developing site-specific SOPs keeps everyone on the same page, especially in turns of campaign shifts and maintenance. Those who work with acrylics, polyesters, or urethane chemistries regularly ask for detailed COAs from us. We achieve those by bench-marking every batch against international reference standards and publishing limits for known contaminants. Open customer audits and lab visit invitations let partners see our controls at work.

    Supplying the Global Industry: What Distribution Looks Like from Our Angle

    Real-life supply chains rarely run on autopilot. Seasonal shutdowns, energy grid overlays, and global logistics can pinch the flow of raw materials at any point. From our experience, buyers of intermediates like 4-vinyl-m-xylene rely on on-time, just-in-sequence deliveries—often custom packed in drums or ISOTanks compatible with their own storage docks.

    Our logistics team knows well that chemical stability and safety dictate how we move 4-vinyl-m-xylene, not just paperwork. We train partners to recognize the safe-handling profile of this aromatic, from drum temperature checks to vapor management. No-load leaves without strict manifest cross-checks and container integrity inspections. Overseas customers ask for tailored bonding documentation to track each step of the chain, especially with tightening customs and port controls on aromatic hydrocarbons.

    During market spikes, production has to prioritize continuous runs so that contracted buyers do not face interruptions. We reserve inventory buffers based on customer forecasts, rather than gambling on spot market swings or slowdowns.

    Research, Customization, and Future Directions

    With customers increasing their sophistication across electronics, automotive coatings, and medical polymers, requests for alternate grades and tighter controls keep rising. Our R&D group spends part of each quarter scanning for ways to reduce side impurities, or shift a process lever to hit an even narrower melting or boiling range.

    From time to time, labs in sectors like optoelectronics or advanced adhesives ask about specialized cuts—say, ultra-high-purity 4-vinyl-m-xylene or targeted blends for niche polymerizations. We explore those requests by mapping each property to performance outcomes. Trace analysis, impurity mapping, and application tests help us match selected lots to clients’ innovation needs.

    Being based at the production site means feedback hits us immediately. If a customer finds their end-use chemistry shifting or a performance parameter tightening, we adjust upstream purification, batch cooling rates, or storage conditions. Our engineering teams understand that in specialty chemical production, rapid iteration can mean the difference between holding a customer’s business and losing it to a less responsive provider.

    Why Source Directly from Manufacturer: Value Beyond Specs

    Distributors may coordinate shipments, but the insight and ability to tweak a batch relies on the people who run the reactors and pack the drums. The gap between desk and plant floor shrinks at our site; process engineers regularly stand alongside the QC and shipping crews. Direct-sourcing partners gain not only shipment traceability, but also meaningful input when problems come up—whether it’s a small impurity shift or an unexpected viscosity drift.

    When we partner directly with firms working in industrial coatings, or circuit board encapsulants, those customers know they can ask for details on batch logs, historical data, or possible process upsets. Trace requests reach the chemists responsible for the run, not just a paperwork chain disconnected from the actual facility.

    By sharing best practices, shelf-life data, and honest production timelines, we help manufacturers build their own schedules with realistic lead times and responsive customer service.

    Challenges and Honest Realities in 4-Vinyl-m-Xylene Production

    Producing 4-vinyl-m-xylene at scale brings its fair share of wrinkles. Aromatics mean working with exothermic reactions, pressure-sensitive monomers, and meticulous distillation regimes to catch trace isomers. Keeping a blend clean through each step—from crude recovery to finished material—demands hourly tests and dedicated separation equipment.

    Upturns in market demand press us to scale runs quickly, yet each expansion risks batch variability that downstream processors will pick up immediately. Scaling up polymer monomer production rarely happens with a simple flip of a switch. Deep knowledge of reactor behavior at both pilot and commercial scale gives us room to predict potential bottlenecks or impurity spikes before they disrupt output.

    Our quality department faces the ongoing test: How do we keep each lot inside the tightest bands chemists require, even as feedstock varies or utilities ebb and flow during peak seasons? Drawing on plant data, historical analysis, and cross-training, we work out solutions as a team, not in isolation.

    The Long View: Sustainability and Accountability

    We see industry trends pushing further into environmental stewardship. With aromatic intermediates like 4-vinyl-m-xylene, the challenge means embedding recall and recycling systems as standard, not just as compliance checks.

    Steps we have taken already include solventless recovery, better distillation column heat management, and integration of spent streams back into feedstock tanks. Our plant puts effort into limiting what leaves the fence line—both in emissions and in energy losses.

    Customers increasingly care not just about price or purity, but about the environmental footprint behind every drum or tote. Collaborations sometimes blossom from transparency, with clients using our data on emissions, solvent usage, or water consumption to benchmark their own programs.

    Continuous Improvement and Open Dialogue

    Manufacturing 4-vinyl-m-xylene is a moving target—tightening standards and downstream requirements mean that each year, our teams must re-examine where steps can be improved. Open conversations with clients, research partners, and regulators guide which changes actually make a difference in plant safety, quality, and environmental protection.

    Our staff conduct periodic reviews with purchasing and technical teams at customer sites, not as an obligation but as a chance to hear about real-world challenges and improvement targets. This face-to-face interaction often leads to new handling practices, updated test batteries, and mutual troubleshooting. Both sides benefit—manufacturers gain direct feedback, users get faster turnaround on issues and customized support.

    Conclusion: The Real Value in Every Drum of 4-Vinyl-m-Xylene

    Looking back across cycles of chemical market volatility and supply chain shakeups, our experience shows that the greatest asset lies in the link between plant and end user. Supplying 4-vinyl-m-xylene has never just been about filling an order and closing an invoice. From our vantage point in the manufacturing trenches, the heart of the value comes from the direct exchange of knowledge, transparent collaboration, and a clear chain of responsibility from the raw inputs right through to the high-performance polymers and resins that power the global economy.

    Each shipment carries the work of skilled teams—engineers, analysts, technicians—bound by real-world accountability. That’s what sets a manufacturer apart, and that’s why we stay committed not only to standards and quality, but to open collaboration with every partner who relies on our 4-vinyl-m-xylene to build the next generation of advanced plastics, coatings, and specialty materials.