1,3-Butadiene
Product Profile
Apply for Sample| Names | |
|---|---|
| Preferred IUPAC name | buta-1,3-diene |
| Other names | Vinylethylene Biethylene Divinyl Erythrene Bivinyl Alpha, gamma-Butadiene |
| Pronunciation | /ˌwʌn θriː bjuːtəˈdaɪiːn/ |
| Identifiers | |
| CAS Number | 106-99-0 |
| Beilstein Reference | 1200073 |
| ChEBI | CHEBI:39479 |
| ChEMBL | CHEMBL13838 |
| ChemSpider | 10309 |
| DrugBank | DB04161 |
| ECHA InfoCard | 03a9c8a5-1f92-4f3c-9e9c-551b4d62d8f5 |
| EC Number | 203-450-8 |
| Gmelin Reference | Gmelin 1462 |
| KEGG | C01780 |
| MeSH | D001943 |
| PubChem CID | 7845 |
| RTECS number | EI9275000 |
| UNII | K4I8USY6Z8 |
| UN number | UN1010 |
| CompTox Dashboard (EPA) | DTXSID2020802 |
| Properties | |
| Chemical formula | C4H6 |
| Molar mass | 54.09 g/mol |
| Appearance | Colorless gas with a mild gasoline-like odor. |
| Odor | Faint aromatic odor |
| Density | 0.614 g/cm³ |
| Solubility in water | 1.98 g/L (20 °C) |
| log P | 1.99 |
| Vapor pressure | 2100 mmHg (20°C) |
| Acidity (pKa) | 15.7 |
| Basicity (pKb) | Basicity (pKb): 16.66 |
| Magnetic susceptibility (χ) | -13.7×10⁻⁶ |
| Refractive index (nD) | 1.4291 |
| Viscosity | Viscosity: 0.225 cP (at 25°C) |
| Dipole moment | 0.00 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | (322.1 J·mol⁻¹·K⁻¹) |
| Std enthalpy of formation (ΔfH⦵298) | +111.9 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -2541 kJ/mol |
| Pharmacology | |
| ATC code | J01FA01 |
| Hazards | |
| GHS labelling | GHS02, GHS04, GHS08, GHS07 |
| Pictograms | GHS02,GHS04,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H220, H280, H350, H340, H372, H341, H315, H319, H335 |
| Precautionary statements | P210, P261, P280, P377, P381, P403 |
| NFPA 704 (fire diamond) | Health: 2, Flammability: 4, Instability: 2, Special: Carcinogen |
| Flash point | -85 °C |
| Autoignition temperature | 420 °C |
| Explosive limits | 2% to 11.5% |
| Lethal dose or concentration | LD50 (oral, rat): 5480 mg/kg LC50 (inhalation, rat, 4h): 285,000 mg/m³ |
| LD50 (median dose) | LD50 (median dose): 5480 mg/kg (rat, oral) |
| NIOSH | NIOSH: *EN8575000* |
| PEL (Permissible) | PEL (Permissible Exposure Limit) of 1,3-Butadiene: 1 ppm (parts per million) as an 8-hour TWA (Time-Weighted Average). |
| REL (Recommended) | 2 ppm |
| IDLH (Immediate danger) | IDLH: 2000 ppm |
| Related compounds | |
| Related compounds | Polybutadiene Chloroprene Styrene Cyclooctadiene Divinylacetylene |
Chemical Identification Database: 1,3-Butadiene
| Category | Details | Technical Commentary |
|---|---|---|
| Product Name | 1,3-Butadiene |
1,3-Butadiene is a major monomer used in synthetic rubber manufacturing and polymer applications. Its selection as a feedstock often depends on integration with cracker operations, purity demands from downstream polymerization, and local logistics for handling pressurized gases. |
| IUPAC Name | Buta-1,3-diene |
The IUPAC designation is used in compliance documentation and regulatory dossiers, particularly when addressing product registration, import-export documents, and international certifications. |
| Chemical Formula | C4H6 |
Molecular formula is relevant for mass balance calculations, raw material reconciliation, and reactor stoichiometry. Storage and distribution teams use this information to verify compatibility with transfer media, gaskets, and metering equipment. |
| Synonyms & Trade Names |
1,3-Butadiene Butadiene Divinyl Bivinyl Vinylethylene |
Synonyms appear in logistics documentation, customs clearances, and multi-region technical agreements. Selection of the right trade name aligns with the contractual language agreed upon with large-volume offtakers and polymer converters. In plant communications, "butadiene" is standard, although trade names may surface in legacy procurement systems. |
| HS Code & Customs Classification |
HS Code: 290122 Description: Butadiene |
The HS code allocation follows national tariff schedules and is referenced during export documentation and shipment scheduling. Some jurisdictions require further sub-classification based on purity or mixture status; classification impacts import duties, hazardous goods declarations, and port authority documentation. Trade compliance teams track any annual reclassifications or adjustments within customs union frameworks. |
Technical Properties, Manufacturing Process & Safety Guidelines of 1,3-Butadiene
Physical & Chemical Properties
Physical State & Appearance
Industrial 1,3-butadiene leaves the process as a colorless gas at ambient conditions, carrying a faint aromatic, gasoline-like odor. In bulk transfer and storage, the material is often pressurized and liquified. Condensation into liquid simplifies transport, but leaks or temperature excursions readily revert the material to gas. The presence of slight yellowing signals contamination or polymerization, especially during prolonged storage or improper blanketing.
Physical form and odor can shift depending on impurity carry-over, notably traces of C4 co-olefins or sulfur-based scavengers used in some feedstocks. Melting and boiling points are application-sensitive and differ by pressure; these thresholds are grade-sensitive and impact the design of transfer and vapor compliance arrangements.
Chemical Stability & Reactivity
Reactivity, both with oxygen and in the presence of heat, is directly relevant for processing. Instabilities are most frequently observed in partially purified cut obtained from steam cracking; peroxides and other initiators, if not removed, contribute to runaway polymerization. Grade defines inhibitor dosing, typically tert-butylcatechol for industrial streams. Feed quality for polymer manufacture imposes stricter stabilization because trace peroxides or dissolved metals rapidly accelerate unwanted dimerization.
Solubility & Solution Preparation
Solubility in water is limited but rises in common nonpolar hydrocarbons and certain alcohols. Presence of polar solvents in pipelines or processing vessels can introduce unpredictable phase behavior, so preparation of blends is typically performed under nitrogen atmosphere. Handling in process units avoids copper and brass, given the risk of auto-polymerization catalysis.
Technical Specifications & Quality Parameters
Specification Table by Grade
Specifications are defined by the application—polymerization-grade, chemical intermediate-grade, and fuel-grade streams each require distinct limits for total olefins, acetylene, methylacetylene, dienes, and hydrogen. Typical values are declared on release certification and adapt to downstream processing requirements. Higher-spec polymer-grade product imposes tighter thresholds for aldehydes, moisture, and oxygen, as even tens of ppm can affect catalyst life and product performance.
Impurity Profile & Limits
Hydrocarbon, sulfur, and oxygenate impurities derive from both feedstock composition and reactor conditions. Profiles are monitored batchwise and continuously during production. Residual polymerization inhibitor, water, and C5+ fractions are critical for both operation and product handling safety. The final release standard matches both internal GC analysis and customer-specific needs. Upstream choices (e.g., naphtha vs. LPG cracking) influence impurity risk and prompt process adaptation.
Test Methods & Standards
Analytical methods follow ASTM or EN procedures, but in-house methods, oriented to real process streams, dominate routine QC. GC-FID and GC-MS remain the primary tools for rapid turnarounds; moisture determination often uses Karl Fischer titration. Test frequency increases in periods of startup, feed changeover, or process upset to ensure no off-grade material enters storage or shipment.
Preparation Methods & Manufacturing Process
Raw Materials & Sourcing
Feedstock selection links directly to availability and price. Naphtha and LPG (ethane/propane) are standard sources, each dictating different process severity and yield patterns. Sourcing emphasizes not only cost and supply security but also impurity background, which can cause operational bottlenecks in purification and downstream catalysis.
Synthesis Route & Reaction Mechanism
Steam cracking of hydrocarbons remains the primary synthesis step; operating conditions (temperature, residence time, steam ratio) favor C4-diene yields. Some regions use the dehydrogenation of n-butene as an alternate, but this route generates a distinct impurity load and process complexity. Route selection balances yield, capex, catalyst life, and regulatory emissions.
Process Control & Purification
Fractionation columns, extractive distillation, and selective hydrogenation are major stages; each step has in-process control points—offline and inline GC, temperature and pressure control, and inhibitor dosing. Impurity control focuses on water and oxygen ingress, which can trigger product instability or equipment fouling. Polymeric byproducts originating in hot sections or transfer lines become a fouling risk and must be routinely removed from equipment.
Quality Control & Batch Release
Batch consistency is maintained through continuous monitoring of impurity spikes, temperature excursions, and inhibitor loss. Final product undergoes quality release against both internal and customer-driven specifications. Product abstraction or transfer cycles trigger re-verification.
Chemical Reactions & Modification Potential
Typical Reactions
1,3-butadiene engages in addition and polymerization reactions under varied conditions. Polymerization via Ziegler-Natta or anionic systems delivers polybutadiene elastomers, with quality tied to purity and inhibitor content. Chlorination, oxidation, and Diels-Alder reactivity enable the formation of specialty chemicals and rubbers. Selectivity depends on both reaction media and impurity content.
Reaction Conditions
Reaction catalysts, temperature range, and solvent type change depending on product target. Catalyst sensitivity to moisture or oxygen, as well as trace metals or unsaturated co-olefins, mandates attentive purification and pre-conditioning of feed. Many polymerization routes specify strict inerting and temperature ramp control to avoid runaway reactions.
Derivatives & Downstream Products
Downstream use covers synthetic rubbers, ABS plastics, surfactants, and specialty intermediates. Derivatives demand distinct 1,3-butadiene grades; for example, polymer-grade requires ultra-low oxygenates, while chemical-grade tolerates broader impurity ranges.
Storage & Shelf Life
Storage Conditions
Standard storage involves refrigerated or pressurized tanks, typically under nitrogen to control oxidation and suppress polymerization. Frequent tank monitoring and vapor space inerting prevent peroxide formation and product degradation. Storage temperature for each facility aligns with grade requirements and regional ambient limits. Sunlight exposure accelerates peroxide growth; thus, opaque or insulated containment is preferred.
Container Compatibility
Carbon steel and select stainless grades are standard for major storage and transfer lines. Copper or brass fittings accelerate dimerization and must be avoided. For smaller scale or laboratory applications, appropriate polymer liners mitigate peroxide buildup.
Shelf Life & Degradation Signs
Signs of degradation include peroxide formation, color change, and inhibitor depletion. Shelf life depends on inhibitor level, oxygen ingress prevention, and storage conditions. Product in long-term storage or under variable climate may require periodic reanalysis for safe use.
Safety & Toxicity Profile
GHS Classification
GHS includes 1,3-butadiene under flammable gases and suspected carcinogens. Final classification is grade specific and relies on measured impurity content and stabilization history.
Hazard & Precautionary Statements
Handling protocols mandate leak control, grounding, good ventilation, and avoidance of ignition sources. Inhibitor concentration needs repeat monitoring due to loss over time and through venting.
Toxicity Data
Toxicological risk pivots on inhalation exposure, especially among operations and maintenance staff. Chronic exposure links to increased cancer risk; acute exposure can trigger CNS effects and respiratory distress. Plant management prioritizes closed-system handling and personal monitoring, especially during maintenance or cleaning.
Exposure Limits & Handling
Site procedures follow national and regional occupational limits. Real-time gas detectors and personnel training back up administrative controls. Emergency response focuses on evacuation, fire suppression, and rapid containment, with periodic review triggered by any incident or near-miss. Continuous improvement relies on systematic incident root cause analysis and adaptation of plant and process design.
1,3-Butadiene: Supply Capacity, Commercial Terms & 2026 Price Trend Forecast
Supply Capacity & Commercial Terms
Production Capacity & Availability
1,3-Butadiene output tracks closely with global ethylene cracker operations since butadiene is primarily recovered as a byproduct from steam cracking of hydrocarbons. The volume and consistency fluctuate based on cracker feedstock (naphtha, LPG, ethane), operational rates, and regional production integration with downstream synthetic rubber plants. Typical production cycles exhibit periodic capacity swings linked to cracker turnarounds, changes in feedstock slate, and downstream demand signals from tire and ABS plastics manufacturers. Inventory management and offtake agreements set floor and ceiling limits for offtake per customer, determined by prevailing contract structures and expected plant throughput.
Lead Time & MOQ
Lead times on bulk 1,3-butadiene vary according to local storage, network logistics, and downstream facility location. Domestic shipments typically operate on rolling weekly schedules matched to customer call-offs, with actual dispatch contingent on pipeline, rail, or dedicated ISO-tank availability. International deliveries require advance booking, integrating vessel or container allocations and customs clearance timelines. Minimum order quantity aligns with packing mode—railcar or ISO-tank shipments generally start from full-container or tank load, reflecting safe loading thresholds and economic transport requirements. For contract customers, established call-off frameworks ensure priority allocation.
Packaging Options
Bulk liquid butadiene is packed in pressurized railcars, ISO-tanks, or dedicated pressure vessels due to flammability and reactivity. Smaller volumes may involve DOT-certified drums for specialty downstream needs, although less common in industrial settings. Packaging/labeling reflects regional ADR/RID or IMDG regulations and, for export, must align with destination country standards. Container condition, residual cleanliness, and pressure ratings are validated before filling to avoid contamination or off-spec batches.
Shipping & Payment Terms
Logistics primarily rely on barge, rail, or pipeline for regional movements, reducing exposure to temperature swings and contamination. International shipments use pressure-rated ISO-tanks. Invoicing structures typically follow net-30 to net-60 day payment terms for established buyers, with letter of credit or advance payment required for new or high-risk accounts. Annual and semi-annual supply contracts often involve price adjustment formulas based on published market indices, raw input costs, and negotiated floor/ceiling mechanisms.
Pricing Structure & Influencing Factors
Raw Material Cost Composition & Fluctuation Causes
The dominant cost driver remains the hydrocarbon feedstock used in ethylene cracking; naphtha-based plants yield higher butadiene output but bear greater exposure to oil price volatility. LPG or ethane cracking generates less byproduct C4s, narrowing butadiene supply. Shifts in upstream oil, naphtha, and natural gas markets propagate rapidly to butadiene production costs. Other influences include cracker operating rates, plant maintenance cycles, and integrated downstream consumption.
Compliance with Graded Price Differences
Product grades—defined by purity, inhibitor content, and trace impurity levels—drive significant price differentials. Optical and technical rubber applications may tolerate lower purities with greater C4 or C5 residue levels, while specialty polymer synthesis requires higher purity butadiene and tighter specification on oxygenates, water, and peroxides. Additional certification requirements (ISO, REACH, TSCA registration, Hazardous Substances management) increase costs, especially where analytical certification, additional purification, or tighter batch release protocols become mandatory.
Product Price Difference Explanation: Grade, Purity, and Packaging
Pricing reflects not just purity (typically >99.5% for polymer grades) but also inhibitor loading, packaging condition, and regulatory compliance for target markets. Road- and sea-transport packaging that meets ADR/IMDG standards commands a premium over domestic pipeline supply. Where customer requirements specify unique packaging, specialty inhibitors, or certification, additional charges are factored to cover enhanced quality assurance and handling risks.
Global Market Analysis & Price Trends
Global Supply & Demand Overview
Global butadiene supply capacity remains regionally concentrated, with Asia-Pacific leading both supply and consumption, mainly due to the integration of synthetic rubber and ABS resin industries. North American and European supply correlates with cracker economics and petrochemical clustering. Supply-demand imbalances arise from upstream cracker outages, downstream tire plant expansions, or regulatory events (such as environmental controls or logistics bottlenecks).
Key Economies Analysis
United States: Integrated production assures robust offtake for SBR and ABS, but alkylation and cracker selection logic influence the swing production potential. Europe: Seasonality in cracker operations and stricter environmental regulations affect short-term supply, while demand ties closely to tire and technical rubber. Japan: Smaller, specialized plants supply a high-purity segment, often requiring additional purification to serve export markets subject to stricter import standards. India: Demand has grown with expansion of domestic synthetic rubber capacity, but import dependency introduces exposure to overseas price and logistics shocks. China: Largest single producer and market, with frequent supply-side swings linked to new cracker startups, downstream integration, and state-influenced contract negotiations.
2026 Price Trend Forecast
Price direction for 2026 depends on two factors: global cracker operating rates and feedstock volatility (naphtha, LPG, oil). Anticipated volatility in upstream hydrocarbon costs, coupled with scheduled cracker expansions in Asia and Middle East, suggests intermittent oversupply phases. Downstream tire demand and anticipated emissions regulations, especially in Asia, could buffer or exacerbate price movements. Clear data sources include ICIS, Platts, JLC, and industry body reports, with methodology based on spot and contract price averages adjusted for feedstock movement and operational utilization rates.
Industry News & Regulatory Updates
Recent Market Developments
Recent capacity announcements in China and India reflect growing ambitions for synthetic rubber independence, increasing supply in Asia. Temporary shutdowns due to energy market volatility or decarbonization upgrades have tightened the short-term spot availability, particularly in the EU, where plant compliance retrofitting now disrupts regular supply cycles.
Regulatory Compliance Updates
Heightened oversight of VOC emissions, occupational exposure limits, and bulk transport documentation have raised compliance costs, especially in the EU and US. Achieving updated REACH, TSCA, and local hazardous chemical registration increases both batch release workload and ongoing cost burden. Cross-border shipments now undergo additional documentation, certification, and in-region approval, extending required lead times and limiting spot sales flexibility.
Supplier Response & Mitigation
Producers have invested in advanced purification, real-time feedstock analytics, and digitalized batch traceability to meet both regulatory and customer scrutiny. Flexible offtake frameworks and strategic regional storage help buffer downstream customers from supply chain disturbances. More producers now adopt risk-sharing contract clauses, indexed price structures, and contingent supply guarantees to navigate increased operational and regulatory volatility.
Application Fields & Grade Selection Guide – 1,3-Butadiene
Application Fields & Grade Matching Guide
Industry Applications
1,3-Butadiene serves as a fundamental building block for several chemical processes. Polymer manufacturers engage it in the synthesis of synthetic rubbers, predominantly styrene-butadiene rubber (SBR) and polybutadiene rubber (PBR), which appear in tire production, automotive parts, and industrial belting. Chemical producers rely on high-purity grades for adiponitrile, used in nylon manufacture. Latex producers often select grades optimized for emulsion polymerization. Lower specification grades are sometimes applied in thermoplastic elastomers, resins, and specialty chemical synthesis. In addition, certain grades are routed to Chemical Process Industries (CPI) for the production of chloroprene, ABS resins, and specialty intermediates, where reactivity and residual monomer content have substantial effects on process and product performance.
Grade-to-Application Mapping
| Application | Relevant Butadiene Grade | Key Performance Considerations |
|---|---|---|
| SBR, PBR Rubber Production | Polymer Grade | Low inhibitor, low diene and VOC impurities, stable reactivity |
| Nylon Intermediates (Adiponitrile, Caprolactam) | High-Purity Chemical Grade | Ultra-low trace impurities (oxygenates, acetylenes); thermal stability |
| Latex and Emulsion Applications | Emulsion/Technical Grade | Strict monomer content, minimized inhibitors, suited for aqueous systems |
| Specialty Chemicals, Resins | Technical/Custom Grade | Custom purity profile matched to downstream catalyst or process sensitivity |
Key Parameters by Application
Polymer applications scrutinize total organic impurities and the presence of inhibitors. Nylon intermediate producers primarily examine acetylenic and oxygenated contamination, as catalytic hydrogenation in those processes is sensitive to trace poisons. Latex uses require rapid conversion and minimal stabilizers to avoid process fouling in emulsion reactors. Specialty resins and intermediates often call for compositional tuning based on the nature of catalysts, initiating systems, and localized process setup. Detailed specifications follow internal QC and are finalized after customer-supplied downstream criteria are examined.
How to Select the Right Grade
Step 1: Define Application
Clarify the end-use, process requirements, and compatibility needs. Tire manufacturers may need SBR/PBR-grade material for predictable polymerization. Intermediate chemical production prioritizes catalyst stability and side-reaction suppression. Specialty resins sometimes accept broader impurity limits if process efficiency is unaffected.
Step 2: Identify Regulatory Requirements
Review emission standards, workplace exposure limits, and transport/storage restrictions imposed by local, regional, and international bodies. Some applications—especially in food-contact or medical materials—trigger strict mandates for residual volatile content and trace contaminants.
Step 3: Evaluate Purity Needs
Align grade selection to the sensitivity of the downstream process. Polybutadiene and emulsion rubbers call for tightly controlled VOC profiles. Hydrogenation in nylon production reacts drastically to minor acetylenic or carbonyl impurities; purity must fit catalyst requirements. Production for general chemical synthesis can sometimes tolerate technical grades after downstream purification or process adjustment.
Step 4: Consider Volume & Budget
Assess project scale and cost-performance targets. Bulk users for tires or elastomers may favor supply contracts for standard polymer-grade streams, balancing price with purity benchmarks. Custom intermediates or research-scale users might request tailored lots, focusing on unique impurity profiles or small-run processing.
Step 5: Request Sample for Validation
Prior to commitment, request production samples for on-site evaluation in actual process conditions. Through this, both process compatibility and batch-to-batch reproducibility can be confirmed. Validation provides feedback to tune grade selection or alter supply strategy, as judged by both application performance and quality compliance.
Trust & Compliance: Quality Certifications & Procurement Support
Quality Compliance & Certifications
Quality Management Certifications
Within our 1,3-Butadiene manufacturing operations, all core production facilities run under integrated quality management systems compliant with recognized standards such as ISO 9001. Systematic audits cover each production unit, with documented pathways tracking raw materials, process parameters, and release batches. Our technical teams keep control over process risk points by validating supply chains, enforcing traceability of catalysts and process aids, and attending to facility-specific audit trails. Certification status may differ by plant or region; full details are issued on request, reflecting the industrial realities of chemical production and market compliance.
Product-Specific Certifications
Product conformity relies on grade-specific demands and prevailing end-use applications. For polymer, synthetic rubber, or downstream specialty chemical producers, our technical documentation supports compliance with specific national or regional chemical registrations and applicable standards relevant to 1,3-Butadiene. Where customers require conformity statements to legislation such as REACH in the EU or TSCA in the US, our compliance department coordinates confirmation based on actual supply chain documentation and transactional batch records. Certifications for food-contact, pharmaceutical, or electronic-grade uses are always reviewed case by case, driven by tight technical controls, lot segregation, and customer disclosure specifications.
Documentation & Reports
Routine deliveries of 1,3-Butadiene ship with batch-specific certificates of analysis reflecting agreed specification limits. Each report is generated by our in-house laboratory, using validated methods for each property of industrial relevance: composition, residuals, and process- or region-specific impurity profiles. Upon request, supplemental technical reports can document trace impurity controls, in-process control charts, and special analyses as required by regulatory inspections or downstream certification audits. Document retention and access comply with both customer and regulatory retention periods, structured according to the product grade and risk level.
Purchase Cooperation Instructions
Stable Production Capacity Supply and Flexible Business Cooperation Plan
Production planning for 1,3-Butadiene pivots on long-term raw material supply contracts with petrochemical base units. Flexible output scheduling is possible owing to dedicated lines and real-time analytics on process units. Our manufacturing teams engage directly with major offtake partners to balance feedstock variations, capacity utilization, and tank storage management. Business model flexibility extends to supply term alignment (quarterly, annual, or contract-based) and volume tiering, depending on customer’s downstream continuity risk and periodic consumption patterns.
Core Production Capacity and Stable Supply Capability
Dedicated 1,3-Butadiene recovery facilities, as part of integrated cracking complexes, enable stable offtake and batch-to-batch consistency. The manufacturing logic weighs both spot and term volumes; process adjustments respond to actual demand forecasts, not speculative stockpiles. Core plant assets allow quick response to seasonal demand swings, maintenance turnarounds, or feedstock shifts. The technical basis for supply reliability resides in redundancy for key units, robust monitoring for off-spec event prevention, and tested contingency plans for logistics disruptions. Long-term buyers benefit from direct integration with our production planning and allocation protocols.
Sample Application Process
Evaluation samples of 1,3-Butadiene are handled under strict operating disciplines. Prospective users submit technical use-case information, after which samples are drawn under controlled conditions, segregated by grade, and dispatched with accompanying quality documentation. Special sample splits or documentation for product registration, formulation trials, or new process evaluation are coordinated with our technical service group. Sample quantities and delivery timing always depend on available capacity and the complexity of validation protocols required by the customer’s technical team.
Detailed Explanation of Flexible Cooperation Mode
Cooperation modes range from spot trading under firm technical release, through rolling term contracts pegged to key index prices, to long-term allocation agreements linked to customer volume commitments. Custom packaging, adjusted shipment quantities, and logistics solutions are negotiated based on actual manufacturing and storage integration options, not speculative marketing approaches. For users requiring seasonal or unsteady volumes, variable contract structures allow for buffer storage and agreed delivery call-offs, leveraging our in-plant and near-port warehousing. Joint troubleshooting, trial production supply, and technical change management are handled case by case via direct cooperation between our production, logistics, and customer technical teams.
1,3-Butadiene Market Forecast & Technical Support System
Research & Development Trends
Current R&D Hotspots
In the production of 1,3-butadiene, most research currently circles around process intensification, feedstock flexibility, and minimization of impurity generation. Ethylene steam cracking remains the main commercial route, but alternative processes—such as bio-based routes, oxidative dehydrogenation of n-butane, and dehydrogenation of butenes—continue to receive attention for their potential to unlock cost advantages or sustainability benefits. While new catalyst systems promise lower coking rates and longer campaign cycles, the consistency of feedstock quality and the selectivity towards C4 cuts set practical boundaries for industrial integration.
Emerging Applications
Downstream demand is dominated by synthetic rubber segment, especially styrene-butadiene rubber (SBR) and polybutadiene rubber (PBR). Emerging applications now include high-performance elastomers for tire labeling compliance, advanced adhesives, and certain ABS co-polymer markets requiring tighter monomer control. Specialty-grade 1,3-butadiene also enters medical polymer and functional film applications, where residual contaminants, such as acetylenic compounds and cyclo-diene fractions, must be held exceptionally low.
Technical Challenges & Breakthroughs
Olefin cracking processes typically generate a range of C4 byproducts, introducing challenges for purification and separation, especially given the variable n-butene and isobutene content according to cracker feedstock and severity. Consistent butadiene yield with minimized formation of acetylenic and diolefinic impurities remains a central concern for both plant reliability and final polymer quality. Recent breakthroughs involve the deployment of selective hydrogenation and kinetic separation columns tailored to product grade. These upgrades enable tighter control over residual impurities, allowing producers to serve higher-value markets with premium 1,3-butadiene grades.
Future Outlook
Market Forecast (3-5 Years)
Market balance over the next three to five years will increasingly depend on regional SBR and PBR demand growth, inventory cycles, and shifts in cracker operating rates. Flex-crackers that can toggle between heavier and lighter feeds allow producers to adjust 1,3-butadiene output in response to downstream fluctuations. The ability to produce on-specification butadiene from alternate feeds enables more rapid response to regional demand. Detailed supply-demand calculations depend on local policy on vehicle fuel economy, tire regulations, and global shifts in elastomer manufacturing footprint.
Technological Evolution
Process evolution continues in parallel with shifting feedstock trends—lighter feeds from shale gas impact the C4 pool, while integrated complexes with on-site n-butane dehydrogenation can offset supply swings. On the technical front, catalyst design for improved selectivity and coking resistance drives efforts to reduce maintenance downtime while enhancing yield stability. Digital process control and real-time impurity monitoring further support batch-to-batch repeatability, addressing both end-user quality demands and regulatory scrutiny.
Sustainability & Green Chemistry
The move towards green chemistry primarily reflects increased scrutiny on waste minimization, energy efficiency, and lifecycle emissions. Biobased butadiene production, using alcohol dehydration or sugar fermentation technologies, remains under industrial piloting, but product consistency, scale-up reliability, and off-odor management remain key hurdles. As regulatory drivers push for reduced VOC emissions and better waste valorization, more process lines now recycle purge streams or integrate secondary purification for off-cuts, especially in tightly regulated markets.
Technical Support & After-Sales Service
Technical Consultation
Close technical consultation with processors and end-users typically starts with monomer compatibility checks, especially for high-purity requirements in specialty polymer applications. Common areas of inquiry involve specific trace impurity tolerances, reaction inhibition options, and polymerization behavior sensitivity to butadiene stabilizer choices. Custom support is often supported by detailed batch release documentation and, where needed, by joint process audits.
Application Optimization Support
Optimization support extends to feed preparation, handling system design, and review of storage system materials selection. For SBR and PBR producers, continuous feedback often involves assessment of inhibitor systems, C4 blend ratios, and impact on solution vs. emulsion polymerization yield. Industrial experience shows that supply chain consistency, storage tank mixing, and nitrogen blanketing can strongly influence final product quality in customer operations. For film-grade and pharmaceutical intermediate applications, technical dialogue often centers on batch traceability, impurity control, and regulatory documentation.
After-Sales Commitment
Long-term supply contracts frequently integrate regular on-site product sampling, ongoing technical performance reviews, and rapid-response support for any off-spec or logistics disruptions. Service agreements can be tailored by region, grade, or end-use sector. Actual post-sale commitments are matched to industry-specific requirements, ranging from root cause analyses in the event of batch variability, to documentation packages needed for regulatory filings or international shipments.
Direct Manufacturing Expertise in 1,3-Butadiene: Delivering Industrial Value
Producing 1,3-Butadiene starts long before it reaches a shipping drum or tank. As a direct manufacturer, our process begins with hydrocarbon feedstock selection and tailored catalytic extraction. Each lot receives continuous monitoring, covering purity, inhibitors, and transport stability. Our plant operates with advanced automation and robust analytics, supporting constant vigilance over product quality and supply traceability.
Key Applications Driving Industry Demand
1,3-Butadiene production forms a critical step in synthetic rubber manufacturing, notably in SBR, PBR, and ABS resins. Tire makers, footwear compounders, and automotive part producers rely on stable chemical input. The reliability of the monomer directly impacts elastomer properties and production economics downstream. In specialty chemicals, technically consistent 1,3-Butadiene supports the synthesis of adiponitrile, chloroprene rubber, and various polymer intermediates. These sectors face rigorous standards, including resistance to contaminants that can trigger off-spec batches or plant downtime.
Ensuring Product Consistency and Quality Control
Direct control over production brings accountability at every stage. Our facility employs gas chromatography, spectroscopic analysis, and inhibitor management programs. We benchmark every batch against internal standards that align with both tire-grade and industrial-monomer benchmarks. Analytical data is maintained for every shipment and batch to document performance. Continuous investment in quality infrastructure ensures downstream operators do not experience supply interruptions linked to off-grade raw material.
Packaging and Reliable Supply Capabilities
We ship 1,3-Butadiene in pressurized tank containers, ISO tanks, and dedicated railcars designed for long-haul stability and compliance with export mandates. Consignment sizes support bulk polymerizers, regional converters, and multinational formulators. Our site offers scalability with buffer inventory, just-in-time pipeline replenishment, and flexible shipping schedules calibrated against seasonal industry cycles. Direct shipment from plant storage ensures tight production-to-delivery turnaround, reducing transit risks and demurrage at the receiver's facility.
Technical Support for Industrial Buyers
Customers often require both product and process guidance for critical applications. Our technical team assists with feed characterization, downstream formulation adjustments, and evaluation of polymer performance variables linked to raw material inputs. This field-level support facilitates integration with customers’ process equipment and formulation targets. Solutions extend to trial lots, change-of-grade protocols, and troubleshooting during scale-up or plant revamps.
Business Value for Manufacturers, Distributors, and Procurement Teams
Integrating 1,3-Butadiene from a direct producer maximizes supply confidence and transparency across the procurement cycle. Real-time production oversight enables rapid response to shifting demand, reduces risk from hidden intermediaries, and aligns with auditable sourcing requirements. Procurement teams benefit from predictable lead times, hands-on support during market volatility, and access to logistics partners who understand the technical requirements of shipping a chemical feedstock. For procurement and supply chain teams requiring full documentation, plant-origin supply eliminates ambiguity and upholds traceability from production unit to end use.
Industrial FAQ
What are the main industrial applications and chemical properties of 1,3-Butadiene?
Core Chemical Properties of 1,3-Butadiene
1,3-Butadiene is a colorless and highly volatile gas at ambient conditions. The material features a conjugated diene structure, giving it distinct reactivity that sets the foundation for its industrial value. Its boiling point sits well below room temperature, which requires us to use pressurized vessels and careful vapor management systems throughout production and storage. Handling always calls for attention to flammability, as low flash points and vapor density can contribute to quick dispersion if safety protocols are ignored.
The diene structure enables ready participation in polymerization and addition reactions, keys to its use in our plants. Whenever our technical team designs a process, we take note of its tendency toward self-polymerization. In production, we rely on inhibitor systems and temperature control, since uncontrolled reactions can lead to fouling, operational downtime, and greater hazards.
Main Industrial Applications
The most prominent use for 1,3-butadiene from our facility remains synthetic rubber. Manufacturing accounts tied to styrene-butadiene rubber (SBR) and polybutadiene rubber (PBR) have driven the shape of our operation for decades. Tires consume a substantial portion of global output. SBR pairs with natural rubber to improve wear resistance, wet traction, and shelf-life in radial and bias tires. PBR, on the other hand, boosts cold flexibility and abrasion resistance, making it valuable in both tread and sidewall compounds. We manage the supply to keep downstream customers from experiencing production gaps, especially automotive and heavy machinery manufacturers operating under just-in-time logistics.
Our production lines also support customers working on acrylonitrile butadiene styrene (ABS) plastics. ABS benefits from the elasticity and impact resistance brought by the butadiene fraction. Household appliances, automotive dashboards, and electronics all see direct improvements here. Film and sheet grades for injection molding remain a constant demand, particularly in regions scaling up infrastructure and consumer goods manufacturing.
Latex applications leverage the same reactive chemistry of butadiene through emulsion polymerization. We adjust feedstock ratios and reaction conditions in our reactors to support specific latex grades. The resulting products end up in carpet backing, adhesives, and coatings. We advise technical customers about grade selection based on end-use, since performance profiles for weather resistance or flexibility can differ substantially.
Our Approach to Quality and Reliability
In every batch, we track inhibitor content, trace oxygen levels, and monitor for the presence of less desirable C4 hydrocarbons. Modern gas chromatography systems on our line allow us to issue certificates of analysis upon request. Quality assurance runs deep, minimizing contamination and off-spec shipments. Our rigorous process controls are in place to support large-volume customers with tight production schedules.
We have addressed challenges connected to butadiene’s volatility with custom-engineered loading equipment and proprietary vent recovery systems. Leaks or loss during transfer not only eat into efficiency but can drive regulatory scrutiny and community concerns. As a result, we maintain overlap in safety layers: personnel training, automated monitors, regular audits, and fast emergency response. These efforts allow us to minimize downtime and provide a consistent supply.
Outlook and Solutions Moving Forward
As demand for high-performance polymers grows, our technical team has stayed in step with newer requirements from tire makers, electronic assembly, and infrastructure projects. Investment in catalyst and process upgrades has allowed us to lift output and reduce side product formation. Hydrogen management and closed-loop systems have further reduced emissions. If you need tighter specs or documentation on request, we have the capability to deliver. Groups exploring bio-based C4 supply routes can rely on our process expertise to scale up, since our team has already trialed alternate feedstocks.
Our goal remains to balance throughput, safety, and innovation so downstream partners—polymer makers, auto assemblers, appliance manufacturers—can focus on their own value chain. By running our production clean, safe, and responsive to market needs, we support the industries that keep the modern world moving.
What is the minimum order quantity and lead time for purchasing 1,3-Butadiene?
Direct Insights From Our 1,3-Butadiene Production Lines
As a direct manufacturer of 1,3-Butadiene, our approach toward order size and delivery schedules is shaped by the realities of large-scale chemical production and the requirements of safe and efficient logistics. The decision regarding minimum order quantity is not arbitrary—it grows from practical constraints tied to bulk handling, transport infrastructure, and process economics.
Minimum Order Quantity: Practicalities at Industrial Scale
We produce 1,3-Butadiene in continuous facilities designed for efficiency and consistent product quality. This material is a foundational monomer for synthetic rubbers and plastics, shipped as a liquefied gas under pressure. Handling it requires substantial investments in both equipment and safety protocols. Standard logistics, such as ISO tank containers, railcars, or dedicated bulk road tankers, dictate typical batch sizes.
Our minimum loading threshold is commonly set at one full ISO tank, which translates to roughly 16 to 22 metric tons per shipment, depending on regional transport regulations and the end destination. Moving less than a tank load is rarely feasible due to stringent regulations for handling and shipping volatile chemicals, alongside practical limitations for maintaining purity and stability throughout the supply chain.
We recognize that downstream users—especially polymer manufacturers—often synchronize their raw material input with production cycles measured in tens or hundreds of metric tons per month. The minimum order volume reflects our commitment to supplying consistently large, uninterrupted batches compatible with these industrial flows. Smaller requests are not impossible, but the technical and regulatory overhead makes such cases rare and cost prohibitive for both sides.
Lead Time: Aligning Production With Customer Schedules
Lead time for 1,3-Butadiene is driven by plant utilization rates, scheduled maintenance, and contract commitments to ongoing partners. Spot orders are generally handled within 2–4 weeks after confirmation of technical and commercial details. For contract customers, we forecast and block out production slots in advance, shortening the effective lead time while providing transparency and certainty.
Seasonal swings in petrochemical feedstock prices or unplanned interruptions (such as upstream refinery outages) sometimes require adjustments. Our logistics team keeps freight routes under review to avoid bottlenecks and ensure safe, timely delivery. All shipments receive compliance checks per our internal safety protocols and prevailing national regulations, with dedicated emergency support during transit.
We coordinate closely with customer technical teams to provide up-to-date documentation (such as CoA, MSDS, and batch delivery records) in parallel with each shipment. This ensures that each delivery meets the technical and safety benchmarks expected by the high-performance plastics and rubber industries.
Our Commitment to Reliability
Purchasing 1,3-Butadiene directly from our facility means buyers interact with a producer who understands the material’s full lifecycle—from raw feedstock to guaranteed delivery point. Order quantity and lead time are built around hard-won practical experience, robust safety standards, and a transparent production schedule. We remain committed to open communication and long-term supply partnerships, providing certainty in a market where reliability and traceability matter just as much as technical quality.
What are the transportation requirements and hazardous material regulations for shipping 1,3-Butadiene?
1,3-Butadiene plays a core role in the manufacture of synthetic rubbers and plastics. Its properties as a highly flammable gas and potential carcinogen put safety and regulatory compliance at the center of every shipment from our facility. A shipment of 1,3-Butadiene is never routine. Each transport movement starts with a deep understanding of the chemical’s volatility and acute hazards.
Upholding Strict Transport Controls
Railcars, bulk pressure tanks, or ISO tank containers provide the main transport formats for our product. Low-temperature, high-pressure systems reduce vapor pressure, but rigorous safety engineering and procedures also handle containment. DOT and ADR regulations both classify 1,3-Butadiene as a hazardous Class 2.1 flammable gas. That classification brings concrete requirements. The use of DOT 111A tank cars or alternative UN-approved pressure vessels form the basis of our bulk logistics. Every tank is inspected for material integrity, valve sealing, and pressure relief system function before dispatch. Each consignment is fully traceable, with manifest documentation completed internally before hand-off to authorized, credentialed carriers.
Packaging and Labeling Without Compromise
Our production team coordinates with the QHSE department from blending to shipping. The cylinders, drums, or ISO tanks we fill bear the legally required diamond-shaped hazard labels. These indicate flammability, gas content, and additional warning messages. Our shipping documents give extensive detail on batch origin, inhibitor content, and proper emergency response measures. Strict adherence to international and national labeling requirements means that our product is never misidentified or mishandled in transit.
Meeting Hazard Communication and Emergency Response Readiness
Our responsibility reaches into the public realm. We provide Safety Data Sheets in advance of every delivery, translated as required. Each carrier receives both written and verbal handoff procedures. The vehicles and railcars we use for transport have placards visible from distance, in accordance with regulatory codes. Employees, drivers, and site operators hold regular training sessions on 1,3-Butadiene leak and fire scenarios. Our technical support is always accessible for carrier and customer response teams. We do not just meet the letter of the law—we maintain readiness for the unexpected.
Proactive Maintenance and Inspection
The tanks, hoses, and coupling systems that move our product wind up exposed to extreme pressures and temperatures. Our technical staff performs comprehensive leak detection, corrosion control, and mechanical testing before every load-out. We replace or overhaul transfer equipment on scheduled cycles, not just on demand. By investing in proactive upkeep, we avoid the chain reaction of failures that can lead to major incidents.
The Need for International Regulatory Alignment
Most movements of 1,3-Butadiene cut across jurisdictional lines. The challenge comes from variability between DOT, ADR, IMDG, and other regulatory structures. Our compliance team engages consistently with evolving requirements, ensuring that nothing shipped from our plants faces recall, seizure, or regulatory dispute at border crossings or port entries. As manufacturers and shippers, we advocate for global standards that prioritize both safety and predictability for industry partners up and down the supply chain.
Manufacturing 1,3-Butadiene brings responsibility from the shop floor to the loading dock. We take pride in delivering product that never leaves compliance or safety to chance. Stringent training, documented procedures, and investment in the latest approved transport systems build the reputation we stake on every shipment.
Technical Support & Inquiry
For product inquiries, sample requests, quotations or after-sales support, please feel free to contact me directly via sales7@bouling-chem.com, +8615371019725 or WhatsApp: +8615371019725