Industrial Butadiene

    • Product Name: Industrial Butadiene
    • Chemical Name (IUPAC): buta-1,3-diene
    • CAS No.: 106-99-0
    • Chemical Formula: C4H6
    • Form/Physical State: Gas
    • Factroy Site: Jinshan District, Shanghai, China
    • Price Inquiry: sales4@ascent-chem.com
    • Manufacturer: Sinopec Shanghai Petrochemical Co., Ltd.
    • CONTACT NOW
    Specifications

    HS Code

    983166

    Chemicalformula C4H6
    Molecularweight 54.09 g/mol
    Casnumber 106-99-0
    Physicalstate Gas at room temperature
    Color Colorless
    Odor Mild gasoline-like
    Boilingpoint -4.4°C
    Meltingpoint -108.9°C
    Density 0.62 g/cm³ (at 20°C)
    Flashpoint -76°C
    Solubilityinwater Slightly soluble
    Vaporpressure 2.43 atm (at 20°C)
    Autoignitiontemperature 420°C
    Explosivelimits 2.0% to 11.5% (in air)
    Refractiveindex 1.429 (liquid at 20°C)

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

    Packing & Storage
    Packing Industrial Butadiene is typically packaged in 180-liter steel drums or 40,000-liter pressurized tank trucks, marked with appropriate hazardous material labels.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Industrial Butadiene: Typically loaded in 20-foot ISO tanks, under pressure, ensuring safe, leak-proof transport.
    Shipping Industrial Butadiene is shipped as a compressed, liquefied gas in pressurized tank containers or cylinders. It requires tightly sealed, corrosion-resistant equipment and is transported according to strict safety regulations. Proper labeling, ventilation, and temperature controls are essential due to its flammability, reactivity, and health hazards during storage and transit.
    Storage Industrial Butadiene should be stored in tightly closed, clearly labeled, and grounded steel containers or tanks, under cool, well-ventilated conditions away from direct sunlight, heat sources, and ignition sources. Storage areas must be equipped with explosion-proof equipment due to butadiene’s high flammability. Inert gas blanketing is recommended to prevent polymerization and contamination. Emergency spill and fire-fighting equipment should be readily accessible.
    Shelf Life Industrial Butadiene typically has a shelf life of up to 6 months under proper storage conditions, protected from heat, light, and air.
    Application of Industrial Butadiene

    Applications of Industrial Butadiene in Industrial Manufacturing

    Industrial butadiene serves as a critical raw material within several high-volume, precision-driven manufacturing sectors. As a direct manufacturer, we supply butadiene to sophisticated downstream processes where consistent quality, compliance, and integration into advanced formulations are paramount. Below, we outline core application segments, each optimized for distinct regulatory, formulation, and processing requirements.

    1. Synthetic Rubber Production for Automotive Tires

    Automotive tire producers rely on butadiene as a constituent monomer in the emulsion and solution polymerization of styrene-butadiene rubber (SBR) and polybutadiene rubber (PBR). Tire manufacturing demands precise control over elasticity, abrasion resistance, and low-temperature flexibility. SBR and PBR are typically combined or used separately to achieve target physical properties, with blending variations driven by load-bearing specifications, climatic performance, and customer quality assurance audits. The rubber compounds undergo robust in-line quality monitoring to ensure conformity with automotive regulatory standards, making butadiene integration a highly controlled operation.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems
    • IATF 16949:2016 Automotive Quality Management
    • REACH Regulation (EC) No 1907/2006 (EU)
    • US DOT FMVSS 139 / ECE R30 Tire Safety Standards

    Typical usage ratio

    • Polybutadiene: 20–25% by weight in SBR; standalone: up to 60% in treads
    • Styrene content in SBR typically adjusted between 23–40% of monomer feed by application

    Downstream process integration

    • Continuous addition to polymerization reactors for SBR and PBR synthesis
    • Post-polymerization blending and compounding with fillers, oils, and curing agents
    • Direct incorporation into calendaring and extrusion prior to tire vulcanization stage

    Final product types

    • Passenger car tires
    • Truck and bus radial tires
    • Off-road and specialty vehicle tires
    • Retread materials

    2. Acrylonitrile Butadiene Styrene (ABS) Resins for Technical Plastics

    Butadiene acts as a key feedstock for the polybutadiene rubber phase within ABS resin production, imparting toughness and impact resistance to the final polymer blend. ABS resins find widespread use in automotive interior parts, consumer electronics housings, and appliance casings, where resilience under mechanical stress and precise dimensional stability remain critical. Monomer incorporation rates and reaction parameters are routinely adjusted according to end-use requirements, ensuring that ABS pellets meet relevant safety, processing, and durability benchmarks in global manufacturing operations.

    Industry compliance standards

    • UL 94 Flammability Standard for Plastics
    • EN 71-3 Safety of Toys (for compliant ABS grades)
    • ISO 9001:2015 and ISO 14001:2015
    • RoHS Directive 2011/65/EU for electronics

    Typical usage ratio

    • Butadiene: 15–25% (by polymer weight) in the rubber phase of ABS
    • Formulation based on impact strength and flexibility targets

    Downstream process integration

    • Continuous or batch graft polymerization into butadiene rubber particle latex
    • Blending with styrene and acrylonitrile in controlled ratios before pelletization
    • Compounding and extrusion into ABS resin granules ready for injection molding

    Final product types

    • Automotive dashboards, trim panels
    • Electronic equipment housings
    • Home appliance casings
    • Injection-molded technical parts and 3D printing filaments

    3. Nitrile Rubber (NBR) for Oil-Resistant Industrial Goods

    Industrial manufacturers of hoses, seals, and O-rings use butadiene as a co-monomer with acrylonitrile to produce NBR, a specialty elastomer tailored for resistance to petroleum derivatives and high mechanical loads. The butadiene/acrylonitrile ratio determines final flexibility, tensile strength, and swelling properties. Integration into the emulsion-polymerization process ensures high consistency in cross-linking dynamics and mechanical behavior, with frequent in-process audits to align with heavy-industry and automotive material compliance checks.

    Industry compliance standards

    • SAE J200 / ASTM D2000 Rubber Material Specifications
    • ISO 3601 Fluid Power Seals
    • EN 682 Gasket Materials for Gas and Hydrocarbon Supply
    • REACH Regulation for chemical safety

    Typical usage ratio

    • Butadiene: 55–78% by polymer weight; composition adjusted according to oil resistance and modulus targets

    Downstream process integration

    • Emulsion polymerization with acrylonitrile, followed by coagulation and drying to crumb form
    • Downstream compounding with carbon black, plasticizers, and antidegradants before shaping
    • Curing via press, injection, or continuous vulcanization methods depending on part geometry

    Final product types

    • Fuel hoses and hydraulic lines
    • Gaskets and sealing rings
    • Protective gloves for industrial use
    • Automotive and machinery belts

    4. Styrene-Butadiene Latex (SBL) for Paper and Carpet Backings

    In latex-based industrial coatings, butadiene supplies the elastomeric backbone for styrene-butadiene latex, a crucial binder in the paper and nonwoven sectors. Papermakers and carpet factories utilize SBL for imparting wet strength, printability, and durability to coated products. The styrene-to-butadiene ratio is matched to application method (machine-applied coatings, foaming, or dipping) with continual adherence to emissions and workplace exposure limits defined by environmental and occupational authorities.

    Industry compliance standards

    • EN 646 Determination of Color Fastness to Water
    • ISO 12625-17 for tissue and paper products
    • Oeko-Tex Standard 100 for textile contact materials
    • Directive 2010/75/EU (Industrial Emissions, BAT for paper)

    Typical usage ratio

    • Butadiene: 35–50% by dry latex weight; adjusted for required wet strength and flexibility

    Downstream process integration

    • Copolymerization with styrene in latex reactors followed by stabilization
    • Inline mixing with fillers and specialty additives before surface application
    • Coating, impregnation, or foaming onto paper or nonwoven substrates

    Final product types

    • Coated fine paper
    • Carpet backings and underlayments
    • Paperboard and packaging laminates
    • Specialty nonwovens for filters and hygiene products

    5. Chloroprene Rubber (CR) for Adhesives and Industrial Gaskets

    Producers of chloroprene rubber initiate polymerization using butadiene, yielding a synthetic elastomer prized for its resistance to ozone, oils, and temperature extremes. The use of butadiene in CR synthesis allows for enhanced flexibility and balanced crystallization, optimizing the performance of adhesives, gaskets, and cable jackets under diverse operational stresses. Formulation and processing parameters follow stringent oversight to ensure safe handling and compliance with worldwide product and workplace safety directives.

    Industry compliance standards

    • ISO 1629:2013 Rubber and Latex—Nomenclature
    • DIN 53505 for rubber hardness
    • UL 94 for flame-retardant adhesives
    • REACH Annex XVII for restricted chemicals

    Typical usage ratio

    • Butadiene: up to 10% in copolymerization with chloroprene; adjusted for elasticity and adhesive tack

    Downstream process integration

    • Continuous or batch copolymerization feeding butadiene and chloroprene into emulsion systems
    • Compounding with resins and antioxidants ahead of calendaring or extrusion
    • Direct conversion to solvent or waterborne adhesive formulations

    Final product types

    • Industrial adhesives (contact cements)
    • Gaskets and sealing sheets
    • Protective conveyor belts and hoses
    • Wire and cable insulation

    6. Thermoplastic Elastomers (TPEs) for Consumer Goods and Medical Devices

    Manufacturers of thermoplastic elastomers leverage butadiene-containing block copolymers, such as styrene-butadiene-styrene (SBS) and styrene-ethylene-butylene-styrene (SEBS), to deliver high-performance materials combining processability and flexibility. These TPEs undergo precision synthesis and blending tailored for applications such as grips, flexible tubing, and select medical components, where direct skin contact, regulatory approval, and reliable mechanical properties are essential to meet end-user and OEM qualification protocols.

    Industry compliance standards

    • USP Class VI Biological Reactivity (where required)
    • ISO 10993 for biocompatibility
    • FDA CFR Title 21 for food-contact and medical-grade applications
    • ISO 18064 for TPE classification and testing

    Typical usage ratio

    • Butadiene chain content: 25–40% in SBS/SEBS block copolymers; ratio set for hardness and processability

    Downstream process integration

    • Sequential anionic polymerization or solution blending for precise block architecture
    • Incorporation into compounding lines for masterbatch or direct product molding
    • Co-extrusion or injection molding into finished consumer or medical parts

    Final product types

    • Soft-touch tool and appliance grips
    • Consumer packaging components
    • Flexible medical tubing and device housings
    • Seals and gaskets for healthcare and food industries

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    Certification & Compliance
    More Introduction

    Industrial Butadiene: The Foundation of Modern Polymer Manufacturing

    Understanding Our Butadiene

    In our plant, every batch of industrial butadiene that leaves the loading dock carries the weight of decades of refinement and rigorous process control. As a staple in the production of synthetic rubber—especially styrene butadiene rubber (SBR) and polybutadiene rubber—our butadiene directly contributes to the durability and performance of tires and countless industrial products.

    Our team handles butadiene every day, monitoring its purity and stability through each stage of distillation and purification. We supply it under the model name BD98, a designation that refers to its minimum purity of 98%. Attention to detail goes into sampling, testing, and ensuring that the butadiene consistently meets the threshold for critical industrial polymerization processes. Once polymerized, the quality of the butadiene sets the tone for the resilience, elasticity, and abrasion resistance in the final synthetic rubbers.

    End users depend on this purity. Downstream effects of trace contaminants can be significant—from fouling reactor equipment to altering reaction kinetics in ways that waste time and raw materials. An automotive client once told us that just a slight dip in consistency led to hour-long line stoppages. Repeated purification and online gas chromatography (GC) maintain BD98’s spec every hour, every day.

    How Butadiene Gets Used in Industry

    Our own process veterans say butadiene seldom gets the spotlight, yet its impact runs deep across several industries. Tire manufacturers are the biggest users—they rely on polybutadiene for flexibility and cold resistance, critical for performance and safety. SBR, another workhorse, blends butadiene’s high resilience with styrene’s toughness, forming the backbone of everything from vehicle tires to conveyer belts to footwear soles.

    Butadiene also feeds into the making of acrylonitrile butadiene styrene (ABS) plastics. In the plastics department, ABS’s shock absorption and processing ease rely on the elastomeric component, which is basically polybutadiene. If the monomer streams drift outside spec, downstream ABS loses its impact resistance. Reliable butadiene supply lets injection molders skip costly process tweaks and deliver consistent products.

    Rubber chemicals, adhesives, and even specialty latex benefit from the reactive double bonds in butadiene. That same reactivity means we go to extra lengths to keep our lines leak-free and oxygen out of the systems, as butadiene’s tendency to form peroxides can cause both safety incidents and off-spec material. Careful handling from bulk storage to tanker loading is a non-negotiable part of operating responsibly.

    What Makes Our Industrial Butadiene Different?

    Industrial butadiene isn’t just about purity, though that matters more than most realize. The impurities in typical byproduct streams, whether hydrogen sulfide, acetylenes, or heavy C4s, can throw off catalysts and derail whole production runs. Over the years, tweaks to our extractive distillation towers and custom process controls helped us consistently shave off these unwanted fractions.

    Pipeline operators and major tire manufacturers who pull butadiene straight from our plant appreciate not just that the purity consistently exceeds 98%, but that we keep inhibitors at reliable, tested dosages. We use tert-butylcatechol to help stabilize shipments for long storage or transit; our operators adjust its injection rate seasonally, responding to both temperature changes and user demands.

    Users on large polymer lines have told us that reliable, low-inhibitor butadiene cuts their startup times and lowers losses. Others depend on the higher-stability batches for setups with long shipping routes or variable storage conditions—particularly when receiving imports.

    We don’t cut corners by blending waste streams or running “good enough” grades for critical applications. Over the years, polymer-grade users have shared horror stories—batches tainted by residual heavy cuts or water vapor lead to unpredictable polymerizations and poor yields. There’s no substitute for experienced operators and tightly maintained analyzer equipment, both of which we prioritize.

    Handling, Safety, and Our Experience in Operations

    You can’t work with industrial butadiene every day and not take safety seriously. The C4 hydrocarbon boils at -4.5°C and is under pressure as a liquefied gas in storage tanks and shipping vessels. From the processing floor, operators keep an eye on temperatures and pressures that can shift rapidly; plant sensors catch vapor releases before they leave the tank farm. Our safety record reflects the focus on routine pressure relief testing and monitoring inhibitor levels that help prevent unwanted polymerization in pipes and tanks.

    Learning the lessons of other producers in the past, our teams chase leaks aggressively using gas detectors and fixed-point sampling. When handling transfers to railcars or tank trucks, we follow a time-tested protocol that starts with inert gas purging and always ends with a hands-on double-check of flanges and seals. Plant maintenance doesn’t overlook the importance of dedicated butadiene piping—avoiding cross-contamination and corrosion that can sneak up in older facilities.

    Our operators participate in industry drills and regular refresher training on vapor cloud risks. We use remote shutoff valves and double-walled containment to keep the product secure. The focus on equipment integrity and active leak detection not only protects people—it also ensures the customer gets what they ordered, not a compromised or degraded shipment.

    Why Buyers Notice Differences Between Producers

    Many users have learned the hard way that not all industrial butadiene is the same. Some facilities run their C4 plants with lower recovery rates and looser feedstock control, leading to more off-spec products. Over the years, customers told us about their setbacks—downtime from catalyst poisoning, delays from off-spec blends, even extra downstream cleaning needs after just a few bad loads.

    We’ve spent decades standardizing our feedstock sources, tuning our separation trains, and matching inhibitor application to user needs. When a buyer asks for a particular spec—like super-low-water or adjusted stabilizer content—they’re often thinking about the specific needs of their downstream polymerization reactors or times in transit. Our team has worked alongside users to troubleshoot carryover challenges, bring up startup polymerizations, or tweak inhibitor loads to fit their requirements. That responsiveness grows from daily hands-on work, not just theory.

    Industrial butadiene from a dedicated production line comes without the variation seen in byproduct or “on-purpose” small batches. We avoid cross-stream contamination and batch blending. Some polymer chemists we supply have even pointed out that different storage and transit histories create subtle but real shifts in product performance—not something most traders talk about, but real all the same.

    Ongoing Improvements and Reliability

    Reliable butadiene matters not just for polymerization plants, but for operators up and down the supply line. Over time, we’ve used feedback from tire manufacturers, hose and automotive part makers, and plastics producers to upgrade our process controls and logistics. Inline process analyzers now spot contamination fast. Maintenance teams keep sampling points and storage equipment in top shape to avoid water ingress or peroxide buildup.

    Logistics teams monitor ambient temperature trends, adjusting inhibitor and pressure specs in line with the season and delivery profile. Shippers handling overseas delivery have learned to trust that the spec leaving our gate remains inside boundaries even after weeks on the water. Close collaboration with customers lets us adjust to unique plant requirements, like optimizing for low catalyst fouling or long-term storage.

    We’ve also seen a shift in regulatory scrutiny and request for more transparent documentation. Our team maintains a complete chain of custody on each batch, and we routinely provide full GC readings to users who need assurance of trace contaminant levels. Those partnerships help both sides spot challenges early, whether on the plant floor or in the lab.

    Pushing Purity and Consistency Further

    Some days, the challenge isn’t just about meeting a spec—it’s about pushing the limits of what’s possible. Several years back, a high-performance tire company challenged us to further tighten the spec for dienes and lower residual acetylene content. That required a round of process upgrades and months of sampling and validation. The result: a reliable stream of butadiene the polymer chemists could count on, helping their products reach new targets for cold flexibility and fatigue strength.

    Other buyers have come in with special requests: adjusted stabilizers to suit their unique reactor conditions, or lower sulfur requirements for products headed into medical-grade materials. Our engineers tweak distillation column controls, draw on their operating data, and field-test approaches before updating the process manuals. That know-how doesn’t come from off-the-shelf playbooks—it’s the outcome of handling tens of thousands of tons of butadiene, month in, month out.

    Butadiene and Market Fluctuations

    Industrial butadiene tracks with the ups and downs of the global C4s market and the shifting balance between on-purpose and byproduct production methods. Our production lines were built for maximum recovery and flexible response. When feedstock prices fluctuate or regulatory environments change, we adjust production rates and stockpiling to protect both our operation and the customers who depend on our reliability.

    In the past, spikes in demand from tire factories in Asia or temporary shutdowns at crackers fed into volatile pricing. We buffer inventory to reduce the whiplash for long-term partners. Some years, downstream users faced shortfalls when spot markets dried up—steady butadiene output from a plant with its own feedstock security can prevent scrambles that throw supply chains into chaos.

    We’ve helped buyers plan for price cycles, bringing in extra bulk storage or blending higher-purity shipments to carry downstream users through tight quarters. Repeat customers know that long-term planning and clear communication stand above spot-market haggling for serving their needs.

    The Edge of Direct Manufacturer Experience

    Having walked the line from naphtha cracking through the C4 trains, plant teams know each valve, pump, and analyzer in the butadiene unit. Operators catch small variances before they become big problems. They learn to anticipate weather-driven changes that influence storage pressures and inhibitor stability. Maintenance doesn’t leave valves or compressor seals to chance and treats even routine leaks as critical events.

    Lab staff pull samples around the clock, running real-world GC analysis rather than relying solely on automated sensors. The QA group compiles data from every railcar or tank load to make sure the product meets the high standards both we and our customers expect.

    Long-term experience means our support doesn’t stop at the plant gate. We’ve stood alongside polymer customers troubleshooting unexpected fouling in their reactors, identifying the role of trace impurities, or suggesting changes to inhibitor type for their specific needs.

    One plant manager recently noted that consistency and hands-on support from a dedicated producer made it possible to avoid recurring yield drops that had been plaguing their old supplier’s batches. That kind of feedback isn’t just good for business — it guides our ongoing process improvements.

    Butadiene and the Focus on Sustainability

    Society asks more of chemical manufacturing now than ever before: lower emissions, sustainable sourcing, transparent supply chains. Our plant has invested in closed-loop recovery systems to minimize process losses, and new monitoring equipment to curtail fugitive emissions. Flare systems receive periodic upgrades to align with the latest standards for C4 hydrocarbons.

    As downstream customers push for “greener” rubber and plastics, we collaborate on both product stewardship and process innovation. Some innovations involve better purification with reduced solvent usage, or capturing and recycling off-gas for energy recovery. These measures don’t just support regulatory compliance; they cut waste and lower costs.

    A portion of our R&D effort targets using bio-based feedstocks and exploring circular economy approaches. That means looking at sourcing butadiene from bio-ethanol or capturing spent rubber for chemical recycling back into the C4 stream. Such projects remain in pilot phases, but every step brings us closer to a future where tire and plastic makers can offer more sustainable end-products, complete with supply chain traceability.

    Trust Grows Out of Long-Term Commitment

    Industrial butadiene doesn’t sell itself. It’s a foundational material in modern industry, but its properties and process requirements demand a hands-on approach all the way through. Every part of the operation—from sourcing and purification to stabilization and delivery—relies on people committed to making sure each batch meets or exceeds expectations.

    Plant teams, logistics staff, and customer support all play a role. Reliable shipments, technical transparency, and a willingness to work through unique challenges on each side of the supply chain define the relationship between us and the sectors we support. As markets evolve and quality demands rise, the value of strong roots in manufacturing only grows stronger.

    Direct feedback and regular collaboration with customers remain essential. We visit their plants, listen to their needs, and bring their concerns back to our technical teams. It’s not a one-way street—the knowledge travels both directions. Whether introducing a new grade, adjusting specs for novel polymers, or supporting the move towards sustainable sourcing, we keep the conversation going.

    Final Thoughts

    For all its industrial weight, butadiene doesn’t grab headlines. Yet for every automotive part, tire, hose, and ABS housing, exacting standards and deep commitment to quality make the difference between reliable production and costly disruption. The role of a dedicated, seasoned manufacturer carries through from the rawest C4 split to the red-hot equipment on a downstream polymer line. Consistent, high-purity butadiene remains a quiet but essential ingredient in progress across the chemical sector. Our experience says that never happens by accident; it grows from rigor, listening, and pride in a job done right.