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1,3-Butadiene [Stabilized]

    • Product Name 1,3-Butadiene [Stabilized]
    • Alias Vinyl ethylene
    • Einecs 203-450-8
    • 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

    589684

    CAS_Number 106-99-0
    Molecular_Formula C4H6
    Molar_Mass 54.09 g/mol
    Appearance Colorless gas
    Odor Mildly aromatic
    Melting_Point -108.9°C
    Boiling_Point -4.4°C
    Density 0.621 g/cm³ (at 20°C)
    Flash_Point -76°C (closed cup)
    Solubility_in_Water Insoluble
    Vapor_Pressure 2,410 mmHg (at 20°C)
    Autoignition_Temperature 420°C
    Stabilizer Inhibited with tert-Butylcatechol or similar
    Explosive_Limits 2-11.5% (in air)
    UN_Number 1010

    As an accredited 1,3-Butadiene [Stabilized] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 1,3-Butadiene [Stabilized], 25 kg cylinder; steel tank with safety valve, hazard labels, and product identification printed on body.
    Shipping 1,3-Butadiene [Stabilized] is shipped as a compressed, flammable gas in specialized, tightly sealed, and clearly labeled cylinders or tanks. It must be kept away from heat, sparks, and open flames. Containers require grounding and are typically shipped under temperature and pressure controls to prevent polymerization and ensure stability.
    Storage 1,3-Butadiene [Stabilized] should be stored in tightly sealed containers or cylinders, in a cool, dry, and well-ventilated area, away from heat, sparks, open flames, and oxidizing agents. Storage temperature should be kept below 30°C (86°F). Protect from sunlight and physical damage. Only stabilized butadiene should be stored, as unstabilized material may form dangerous peroxides or polymerize violently.
    Application of 1,3-Butadiene [Stabilized]

    Applications of 1,3-Butadiene [Stabilized] in Industrial Manufacturing

    1,3-Butadiene [Stabilized] is a critical C4 hydrocarbon intermediate used across several major polymer and elastomer sectors. As a direct manufacturer, we deliver stabilized material for precise integration within industrial processes where controlled reactivity, composition accuracy, and consistent feedstock play pivotal roles in finished product quality and regulatory compliance.

    1. Synthetic Rubber Manufacturing (Polybutadiene Rubber & Styrene-Butadiene Rubber)

    Synthetic rubber producers rely on high-purity 1,3-butadiene as a primary monomer for polybutadiene rubber (BR) and a co-monomer for styrene-butadiene rubber (SBR). These elastomers serve as core materials for automotive tires, conveyor belts, footwear soles, and high-impact products. The monomer, fed in gas or liquid phase, reacts in controlled polymerizations, with stabilized grades essential for process safety and consistency. Varying dosage determines material hardness, resilience, and abrasion resistance as demanded by tire OEMs and molded goods manufacturers.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems
    • ASTM D1310 for butadiene purity and hydrocarbon testing
    • REACH Regulation (EC) No 1907/2006 (EU market)
    • GB/T 14449 (China synthetic rubber quality)

    Typical usage ratio

    • Polybutadiene Rubber: 100% of the diene monomer stream
    • Styrene-Butadiene Rubber: 60–75% by mol fraction, adjustable by targeted polymer microstructure

    Downstream process integration

    • Monomer introduced at reactor inlet as feedstock for solution or emulsion polymerization units
    • Stabilizer maintained until decomposed or stripped in pre-polymer pretreatment

    Final product types

    • Passenger, truck, and off-road tire treads
    • High-durability conveyor belts
    • Shoe outsoles
    • High-impact industrial rubber goods

    2. Acrylonitrile-Butadiene-Styrene (ABS) Resin Production

    ABS resin manufacturers use 1,3-butadiene as the rubber substrate for toughening and impact modification. During mass or emulsion grafting processes, stabilized butadiene forms the elastomeric backbone, which is subsequently grafted with styrene and acrylonitrile. The feed ratio is tuned for desired impact strength and processability. Inclusion of stabilized monomer preserves reactivity while minimizing undesired side reactions under high-shear, high-temperature manufacturing.

    Industry compliance standards

    • ISO 2580-1: Plastic — Acrylonitrile-Butadiene-Styrene (ABS) Molding and Extrusion Materials
    • RoHS Directive (2011/65/EU)
    • UL 94 Flammability Standard (for finished ABS grades)
    • ASTM D4673 (ABS plastics test methods)

    Typical usage ratio

    • Butadiene phase: 15–30% by weight of polymer total, depending on target impact characteristics

    Downstream process integration

    • Injected as neat monomer at latex or mass polymerization step for elastomer phase formation
    • Residual stabilizer removed during latex washing stages

    Final product types

    • Automotive instrument panels and trim parts
    • Consumer electronics casings
    • Appliance housings (refrigerators, washing machines)
    • LEGO® bricks and specialty injection-molded toys

    3. Nitrile Rubber (NBR) Manufacturing

    Producers of nitrile rubber co-polymerize 1,3-butadiene with acrylonitrile to engineer oil-resistant elastomers for seals, gaskets, and industrial hoses. The quality of incoming butadiene—purity and stabilized grade—affects copolymer microstructure, impacting fuel and oil compatibility. Industrial plants optimize diene-to-nitrile ratios to tune mechanical flexibility and chemical resilience for automotive and hydraulic applications.

    Industry compliance standards

    • ISO 9001:2015 (General quality system)
    • ISO 2230 (Rubber NBR storage and shelf-life requirements)
    • SAE J200 (Material specification standards by properties)
    • ASTM D2000 (Rubber products in automotive applications)

    Typical usage ratio

    • 45–70% by mol butadiene (balance acrylonitrile); final ratio set based on required oil resistance and elasticity

    Downstream process integration

    • Continuous addition to emulsion polymerization vessels as co-monomer
    • Stabilizer residues removed during latex coagulation and washing

    Final product types

    • Hydraulic and fuel system hoses
    • O-rings, gaskets, and sealing compounds
    • Industrial transmission belts
    • Disposable examination gloves (medical and industrial grade)

    4. Chloroprene Rubber (CR, Neoprene) Feedstock

    Chloroprene rubber manufacturers generate chloroprene monomer by the chlorination of stabilized 1,3-butadiene. This step is pivotal for controlling product purity, reactivity, and absence of polymerization byproducts. The composition and stability of butadiene impact chloroprene yield and downstream polymer quality, with process controls tailored to minimize undesirable impurities in the final elastomer.

    Industry compliance standards

    • ISO 1629 (Classification of rubber and latex by chemical composition)
    • GB/T 7782 (China chloroprene rubber production)
    • REACH (EC) No 1907/2006 pre-registration for monomer intermediates
    • ASTM D3182 (Rubber compounding test methods)

    Typical usage ratio

    • 100% butadiene as chlorination feedstock; throughput set by targeted CR batch scale

    Downstream process integration

    • Direct chlorination in dedicated reactors at 20–60°C under controlled agitation
    • Stabilizers removed or neutralized prior to chloroprene isolation

    Final product types

    • Flame-retardant cable jackets and insulation compounds
    • Adhesive and sealing formulations for construction
    • Wetsuits and industrial protective garments
    • Structural and vibration-damping pads

    5. Polybutadiene-Based High-Impact Polystyrene (HIPS) Production

    HIPS manufacturers disperse polybutadiene as impact-modifying rubber particles within a polystyrene matrix. 1,3-butadiene undergoes solution or emulsion polymerization to produce the rubber substrate, which is then blended and grafted with styrene. The stability and control of butadiene feed directly affect particle size and resulting impact performance critical to HIPS grades for packaging and appliances.

    Industry compliance standards

    • ISO 1622 (Physical properties of polystyrene resins)
    • FDA 21 CFR 177.1640 (Polystyrene and rubber-modified polystyrene for food contact)
    • EN 14582 (Packaging requirements)
    • REACH Regulation (EU exposure controls)

    Typical usage ratio

    • 6–12% rubber (from butadiene) in HIPS; final ratio set according to required impact strength and surface finish

    Downstream process integration

    • Butadiene introduced at pre-polymerization for polybutadiene masterbatch
    • Rubber masterbatch blended with styrene for subsequent polymerization and grafting

    Final product types

    • Refrigerator interior liners
    • Food contact packaging (yogurt cups, dairy tubs)
    • Tool housings and audio device enclosures
    • Retail display trays and point-of-sale products

    6. Adiponitrile Synthesis for Nylon 6,6 Precursor

    Chemical manufacturers use stabilized 1,3-butadiene as the feedstock in the two-step hydrocyanation process to produce adiponitrile, the essential precursor for hexamethylenediamine and subsequently Nylon 6,6. Feedstock consistency and minimized impurities are crucial to achieve high-conversion yields and to protect sensitive catalysts in both hydrocyanation and downstream hydrogenation stages.

    Industry compliance standards

    • ISO 9001:2015 (Continuous chemical manufacturing)
    • Responsible Care® global chemical initiative
    • CFR Title 40 (U.S. EPA emissions and process safety)
    • OHSAS 18001 (Occupational Health & Safety Management)

    Typical usage ratio

    • 100% of diene feedstock; rates optimized for continuous or batch hydrocyanation reactor throughput

    Downstream process integration

    • Direct injection into nickel-catalyzed hydrocyanation reactors
    • Stepwise conversion and product isolation, with stabilization additives neutralized pre-reaction

    Final product types

    • Nylon 6,6 engineering plastics
    • Textile and automotive-grade synthetic fibers
    • Industrial cordage and tire reinforcement yarns
    • High-performance molded components
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    Certification & Compliance
    More Introduction

    1,3-Butadiene [Stabilized]: An Inside Look from the Manufacturer’s Perspective

    A Closer Look at Our Process and Product Integrity

    At our site, the routine of manufacturing 1,3-Butadiene [Stabilized] never gets stale. From the crackle of feedstock heating up in reactors to the sharp scent that leaks out with the faintest draft, every step leaves its trace. Most people talk about butadiene in terms of price swings or supply hiccups, but to us, it means molten steam, process controls, and tight precision at every move. The stabilized variant—different by design—draws from a world of practical lessons. Before stabilization, this monomer likes to polymerize on its own. Left unchecked, it gums up pipes and throws off runs. So, years back, chemists and plant managers agreed: stop the runaway reactions with inhibitors, but never let the additive overpower the chemistry or taint downstream processing. For us, true butadiene quality is about preservation, not disguise.

    Technical Backbone: What Makes 1,3-Butadiene [Stabilized] Stand Out

    Our process starts with careful separation. Since pure butadiene can turn stubborn and sticky—especially in summer—the aim is to produce a stable liquid that ships smoothly and resists unwanted side reactions. Stabilization involves adding a tightly controlled amount of inhibitors—commonly tert-butylcatechol (TBC) or hydroquinone. We measure, not guess. Too little and the customer opens a drum of gel; too much, and polymer yields are dented in the next plant. The product leaves our gates as a clear, colorless liquid, with stabilization levels matched to end use, be it polymerization or chemical synthesis. Every batch undergoes gas chromatography to screen for trace diene, acetylene, and unwanted heavy ends. Water content can turn a good batch sour, so we run rigorous Karl Fischer titration and gas analysis.

    Understanding Usage: Downstream Dependence and Real-World Demands

    A good share of our butadiene flows into the hands of synthetic rubber producers, each plant running unique emulsion or solution polymerization. Custom, not standard, rules these customers. Automotive tire makers often demand ultra-low inhibitor content, to avoid downtime from filter plugging. Suppliers of nitrile gloves, hoses, and adhesives sometimes request longer shelf-life or higher inhibitor loads for seasonal storage. Some clients run high-throughput pipelines that hate polymer scale just as much as their maintenance staff do. Others care more about odor and minor impurities that affect end-product color. Our job is to listen—sometimes a feedstock tweak or inhibitor adjustment makes the difference.

    The Importance of Specification: It’s More Than Just Numbers

    The differences between stabilized and unstabilized butadiene hit hardest in the packaging shed and on customer loading docks. Unstabilized butadiene might work fast at a plant running two shifts, but for anyone else, the risk is real: tank fouling, stuck valves, even fire. The stabilized variant, while a hair more complicated to prepare, eases these headaches. All our drums and tankers carry clear labeling of inhibitor levels, accurate to the decimal, because mixing up types or forgetting stabilization protocol doesn’t just spoil product. It endangers facilities, people, and regulatory standing.

    What Sets Our Stabilized Butadiene Apart

    Over the years, we’ve watched traders repackage or dilute butadiene, masking old product or masking a botched stabilization. We stick to robust, in-house fractionation and make stabilization adjustments on-the-fly, right at the point of liquid transfer. That keeps us confident in our lot traceability. Batch-to-batch consistency matters in harsh weather: winter deliveries sometimes see inhibitor settling, so we check solubility and agitation at subzero temperatures. That means no offloaded drums with separation or crystal formation. Ethylbenzene, cyclohexene, and piperylene byproducts get flagged before storage. Our standards trace back to both internal know-how and regional regulatory expectations—no shortcuts.

    Handling and Logistics: Risks and Realities from the Source

    Few chemicals demand the respect of butadiene during storage and transport. Our teams watch for vented pressure, minute leaks, gasket breakdown, and the risk of flash vapor above exposed tank heads. Stabilized product, thanks to the inhibitor, travels with steadier vapor pressure, but it doesn’t remove the flash point risk. Training and procedures focus on decanting, earthing, and continuous monitoring. We schedule regular checks on inhibitor levels during transit and upon delivery, especially if a shipment takes longer than planned. Rusted valves or soft spots in drums mean product recall, not repack or resale. For rail and truck shipments, we prepare for thermal swing. With stabilized butadiene, the margin for error may be wider, but it’s never infinite.

    The Real Difference: More Than Just an Additive

    In the lab and at scale, stabilized butadiene stands apart for the insurance that comes with its additive. An unstabilized product starts out fine, but all it takes is a hiccup—missed shipment, storage pump-out, or high temp on the wrong day—to cause a run of off-spec batches. At that point, cleanup costs and downtime crush the bottom line. Nor does all stabilization work the same. Low-cost inhibitors or uneven mixing have burned producers in the past, a lesson we learned long ago when earlier tanks sludged up and work crews clocked overtime for days. Now, closed-loop dosing and real-time titration confirm that no batch leaves before hitting spec.

    A Peek Inside Production: Human Experience Over Machinery Alone

    Making 1,3-Butadiene [Stabilized] calls for human intuition to spot barely noticeable anomalies in pressure spikes and viscosity. Operators step outside the control room to sniff for sweet odors that can flag a leak no sensor has caught. We respect years of calloused hands and quick eyes—the best alarms come from professionals who know their plant’s quirks better than any PLC or remote login. Stabilization isn’t a one-size-fits-all act. If feedstock shipments come off a high-cyclopentadiene run, we slow the process and sample every leg, confident that rushing gives way to foam and fouled separators. This isn’t theory: it comes from hard-won practice, especially during plant turnarounds and holiday runs, where time pressures beg for careless shortcuts.

    Quality Assurance: Learning by Doing

    Unlike resellers or traders who never see the inside of a blending tank, we respond to the sharp turn of the market by tuning our own blend ratios, not someone else’s. Latest technology matters: high-resolution chromatography, advanced titration, and digital process controls—but without site-level troubleshooting, technology solves little. We value real conversations with maintenance staff and drivers who notice a sticky residue or delay in product transfer. Their input loops into every refinement. When a customer phones in a concern, we check by hand—not just on a distant spreadsheet.

    The Practical Cost of Getting It Wrong

    Over-stabilizing butadiene keeps polymerization safe but pushes customers to adjust recipes or run purge cycles, which eats up time and reagents. Shorting the inhibitor means risking a tank of coagulated goo that clogs not just lines but reputations too. Each operator and supervisor at the plant shares responsibility: one forgotten check and the whole shipment gets flagged, not “re-worked”. Unlike bulk sellers who push volume, we take feedback as the seed for each improvement—whether reducing water traces from downstream washing, curbing odor issues with vented storage, or tweaking inhibitor for cold route delivery.

    Regulatory and Environmental Gatekeeping

    Tougher regulations in regions we serve have reshaped production logistics. From load manifest tracking to vapor recovery upgrades, plant managers can’t look away from compliance. Stabilizer choice and margin must satisfy evolving standards about residual inhibitor, vapor risk, and local emission limits. Each locality writes its own testing methods, so our internal labs run side-by-side certifications. We keep updated with REACH, EPA, and other organizational criteria, not just for the sake of crossing items off a checklist but because skipping a mandated step costs time, money, and market access. In overfilled drums, inhibitor stratifies, which can create local over- or under-dose and draw noise from inspectors.

    Partnering with Customers: Making Sure Needs Are Real and Met

    Product usage varies—some clients demand just-in-time drum swaps for microbatch polymer runs, while others operate massive cracker units that eat through tankers weekly. The one thing they all want: a stabilized butadiene that shows up clear, compliant, and true to their paperwork. We never design inhibitor dosing based on guesswork or dated spreadsheets but use batch and customer histories to anticipate the quirks of each site. If a user sees haze in the product or suspects carryover from a competitor’s storage, we send samples for side-by-side comparison. Over time, customers come to expect stability and honesty, not just paperwork.

    Keeping Safe and Sustainable: What the World Expects—And Rightly So

    Everyone in our business feels the pressure to shrink waste and emissions. At our site, the stabilized butadiene stream gets monitored for fugitive loss. Engineers stretch equipment lifespans, and we boost recovery from vented vapor through chilled condensation or thermal oxidizers. Used inhibitor gets safely collected for disposal under the same watchful eye that guides shipment. We’ve spent years coordinating with emergency responders, not just building a response plan but drilling it until muscle memory sets in. Environmental responsibility isn’t a sentiment; fines, downtime, and community reputation ride on every shift.

    What We’ve Learned Over the Years

    Most people who’ve worked with butadiene for decades carry a few stories about rogue polymer plugs, midnight pump failures, and the smell of a hundred-dollar mistake. Each problem taught us that a product listing or safety data sheet, on its own, never tells the full tale. The stabilized version protects more than just profit. It reassures technicians, delivery drivers, managers, and the neighbors beyond our fence line. With each run, adjustments build on all that came before: measuring for seasonal temperature, accounting for unplanned downtime, and confirming each transfer by hand, not just by machine.

    Industry Impact and Future Expectations

    Worldwide, demand for synthetic rubber and specialty chemicals tick up each year, especially in fast-growing economies and new manufacturing hubs. Our stabilized butadiene keeps up by adjusting not just output but by digging into emerging customer pain points: tighter polymer specs, reduced off-gassing, and longer storage time in variable weather. Every new project prompts a fresh review of inhibitor, especially if a customer requests a different downstream catalyst or works at higher pressure.

    Direct Insight: Stabilized vs. Unstabilized—Choosing Wisely

    Customers sometimes wrestle with budgets and choose between stabilized and unstabilized streams. The calculation looks simple, but field reality writes a different math. If a batch of unstabilized butadiene sits unscheduled through a holiday or a freight delay, it hardens in hours. Facility overhead and safety costs erase any savings. The stabilized grade carries its margin for a reason: it arrives usable, stays fluid, and grants extra hours or days of processing flexibility. That flexibility means less overtime and crisis response—and more confident planning.

    Navigating Challenges: Real Solutions from Real Experience

    Scaling up run sizes or launching new downstream recipes always finds a new way to test stabilized butadiene’s limits. We respond by working with customers on pilot runs and site visits, bringing along years of logs and failed-batch write-ups nobody but a practitioner would keep. We respond to unusual requests for custom stabilization by trialing small-batch runs, even if the margin thins, because a stable partnership outlasts a quick contract. If a shipment ever falls short—on clarity, inhibitor, or stability—we own up, trace it, and fix it, seeing each error as fuel for continuous improvement.

    Looking Ahead: Continuous Refinement and Trust-Building

    Experience taught us that demand, compliance, and production never freeze in place. We respond not only with better instrumentation and tracking, but by leaning on the people who remember the one-in-a-thousand failure nobody else predicted. That’s what keeps stabilized butadiene reliable—more than a set of ingredients, it’s a moving, evolving solution made of chemistry, observation, and working relationships. Safety, transparency, and honest quality define our approach, all reinforced by site-level vigilance and customer feedback.