Sinopec Shanghai Petrochemical Butylene-1

Product Profile

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Product Identification: Sinopec Shanghai Petrochemical Butylene-1

Attribute Details
Product Name Butylene-1
IUPAC Name But-1-ene
Chemical Formula C4H8
Synonyms & Trade Names 1-Butene, α-Butylene, Butylene-1
HS Code & Customs Classification 29012200

Industrial Perspective on Product Properties

Butylene-1 (But-1-ene) comes from petrochemical cracking and separation processes. In large-scale operations such as those at Sinopec Shanghai Petrochemical, the process starts with selection of appropriate cracker feedstock—usually naphtha or light hydrocarbons. Feedstock selection affects the yield and mix of C4 fractions and relates to overall process economics and logistics downstream.

The C4 stream, once generated, gets fractionated, and further purification is guided by intended grade use—polymerization, intermediate synthesis, or other applications. Removing typical impurities such as acetylene, butadiene, and traces of heavier olefins is critical; process selection and catalyst design reflect these requirements. Higher-purity requirements for polymer-grade 1-butene involve more stringent distillation and purification steps, while chemical-grade product tolerates broader impurity profiles if no direct polymerization use follows.

Grade-Dependency and Application-Sensitivity

For polymer-grade 1-butene, purity and specific isomer content remain under close scrutiny in the quality control laboratory before release. The downstream application—comonomer in LLDPE and HDPE production—demands low levels of other C4 isomers and high chemical purity to avoid catalyst poisoning and end-product inconsistencies. Grade-specific specifications drive both analytical method selection and equipment calibration.

In cases involving intermediate or chemical-grade use, customers may accept a broader impurity spectrum based on their process tolerances; this reduces the energy and cost burden across purification and blending. Storage and handling practices also react to these differences: moisture content, oxygen ingress control, and pressure management in tanks are all set in reference to final use.

Manufacturing and Quality Control Details

Key control points in butylene-1 production include raw material composition checks, on-line gas chromatography for continuous process monitoring, and routine checks of driers and absorbers to prevent water or oxygen ingress. Batch-to-batch consistency is managed by rigorous mixing protocols within storage tanks before shipping. Each shipment may undergo additional sampling and analysis guided by mutual agreement with downstream users.

Impurity formation sources typically root from upstream unit slippage, incomplete separation, or side-reactions during cracking. The operator routinely manages catalyst replacement intervals and checks absorber efficiency to maintain consistent output. Purification steps—predominantly distillation and selective adsorption—must be adapted according to both equipment age and grade output requirements.

Release criteria involve detailed chromatographic analysis of hydrocarbon composition, comparison against internal reference standards, and, where required, collaborative discussion with customers for joint sign-off on new grades or process changes.

Summary of Classification and Handling

The HS Code and customs classification for butylene-1 is 29012200 under the chemical category for acyclic hydrocarbons. This code simplifies transit and export documentation but always aligns with up-to-date regulatory interpretations for the importing market.

Grade-specific quality demands, field application requirements, and continuous process oversight remain the defining practices for manufacturers committed to consistent quality and compliant logistics.

Technical Properties, Manufacturing Process & Safety Guidelines for Sinopec Shanghai Petrochemical Butylene-1

Physical & Chemical Properties

Physical State & Appearance

Butylene-1 presents as a colorless and flammable gas under ambient conditions, commonly supplied in liquefied or pressurized form for transport and storage. The gas releases a faint, olefinic odor typical of lower alkenes. Melting and boiling points for this material depend on product grade, application requirements, and handling temperature, with values traceable to published physical constants for 1-butene. Density and vapor pressure must be specified according to grade and operational context since variations in purity or dissolved stabilizers will influence these parameters.

Chemical Stability & Reactivity

The chemical reactivity profile for Butylene-1 is defined by its unsaturated double bond, which participates in addition, polymerization, and metathesis reactions. Reactivity increases with the presence of oxidizers or under elevated temperature and pressure during industrial processing. Stability and lifetime of stored material relate directly to oxygen and light exposure; the presence or absence of polymerization inhibitors can significantly affect shelf integrity.

Solubility & Solution Preparation

Solubility properties shift by application: Butylene-1 shows limited miscibility in water but dissolves readily in organic media such as alkanes, aromatics, and chlorinated solvents. For custom use in copolymerization or synthesis, preparation in organic solution or as a pressurized blend is tailored to the downstream process compatibility. Precise protocols align with customer formulation and equipment requirements.

Technical Specifications & Quality Parameters

Specification Table by Grade

Quality attributes for Butylene-1 are controlled by grade specification. Polymerization and chemical synthesis applications demand narrow impurity profiles (e.g., for sulfur, water, and higher alkenes). Detailed specifications and grade distinctions are finalized in accordance with both internal release protocols and customer application requirements.

AttributeChemical Synthesis GradePolymerization Grade
PurityDefined per customer/industry standardDefined per customer/polymerization standard
MoistureSpecification by requestSpecification by request
Olefins/C4 HydrocarbonsControlled per process needsTight control for catalyst compatibility
SulfurProfile by route and customer specProfile by route and customer spec

Impurity Profile & Limits

Key impurities—such as water, sulfur-containing compounds, peroxides, and other C4 isomers—arise from raw material feed and processing conditions. Effective removal requires focused purification methods; maximum accepted levels are aligned to end-use. Test methods include on-line gas chromatography and wet chemical analysis as prescribed by internal standards and customer contracts.

Test Methods & Standards

Testing protocols select from recognized methods such as GC for hydrocarbons, Karl Fischer for moisture, and colorimetric or atomic absorption techniques for trace contaminants. The choice of method responds to grade and buyer-specific requirements and is documented per batch.

Preparation Methods & Manufacturing Process

Raw Materials & Sourcing

Feedstock selection for Butylene-1 includes refinery-grade C4 streams or petrochemical crackers. Feed composition and contaminant baseline determine which processing and purification strategies align with plant capabilities.

Synthesis Route & Reaction Mechanism

Industrial production of Butylene-1 typically draws from catalytic cracking, dehydrogenation, or oligomerization units, depending on integration level and regional feed availability. Key decision points include operating pressure, catalyst selection, and downstream purification targets.

Process Control & Purification

Process performance relies on maintaining catalyst integrity, monitoring feedstock composition, and integrating inline analytical controls. Impurities like acetylene, sulfur, or oxygenates demand multi-stage purification trains—distillation, adsorptive purification, and inhibitor dosing are tailored to achieve the required grade.

Quality Control & Batch Release

Internal batch release sets acceptance criteria on composition and contaminant limits, based on process history, plant data, and customer technical agreements. Routine production follows statistical process control to manage variation, document compliance, and trace lot ancestry.

Chemical Reactions & Modification Potential

Typical Reactions

Butylene-1 acts as a feed for oligomerization, oxo synthesis, and as a comonomer in polyethylene and polybutylene production. Alkylation, oxidation, and hydroformylation processes exploit its terminal double bond. Each reaction pathway requires specification of catalyst, reaction temperature, solvent, and product separation strategy according to end-use.

Reaction Conditions (Catalyst, Temperature, Solvent)

Industrial reaction conditions for Butylene-1 transformation depend on process needs. Olefin polymerization involves Ziegler-Natta or metallocene catalysts under controlled temperature–pressure regimes. Hydroformylation and alkylation require tailored catalyst systems, pressure, and solvent management to ensure selectivity and minimize downstream purification.

Derivatives & Downstream Products

Key derivatives include butanols, butene-based polymers, and specialty olefins. Product selection and integration reflect both regional market demand and internal value chain optimization.

Storage & Shelf Life

Storage Conditions (Temperature, Humidity, Light Avoidance, Gas Protection)

Industrial storage of Butylene-1 requires pressure-rated vessels fitted with overpressure protection and purge systems. Oxygen exclusion maintains product integrity, particularly for polymerization-grade material. UV exposure and temperature excursions should remain within process-specified limits to prevent decomposition and loss of quality. Use of nitrogen or inert blanket is common practice for sensitive grades.

Container Compatibility

Material compatibility studies guide selection of storage tanks, pipelines, and valve systems. Recommended materials include carbon steel with specialty coatings or certain stainless steels, subject to assessment of impurity-related corrosion risk.

Shelf Life & Degradation Signs

Shelf life depends on storage conditions, grade, and inhibitor usage. Quality monitoring focuses on peroxide formation, odor changes, and polymeric residues. Expiry or degradation assessment references ongoing product analysis rather than fixed periods, unless otherwise specified for application-critical grades.

Safety & Toxicity Profile

GHS Classification

Hazard statements linked to Butylene-1 address its flammability, reactivity, and asphyxiation risks. Accurate classification and labelling follow globally harmonized regulatory guidance based on measured flammability thresholds and toxicological profile.

Hazard & Precautionary Statements

Primary risks involve fire, explosive atmosphere formation, and inhalation exposure. Emergency plans address containment, ventilation, and avoidance of ignition sources in transit, storage, and use.

Toxicity Data, Exposure Limits & Handling

Acute and chronic toxicity assessments draw on industry toxicological databases. Exposure thresholds comply with regional occupational safety standards. Handling protocols require monitoring of ambient concentrations and provision of respiratory and fire protection. Operator training focuses on detection, leak control, and emergency response tailored to Butylene-1’s handling characteristics.

Sinopec Shanghai Petrochemical Butylene-1: Supply Capacity, Commercial Terms & 2026 Price Trend Forecast

Supply Capacity & Commercial Terms

Production Capacity & Availability

Our production of Butylene-1 at Sinopec Shanghai Petrochemical integrates continuous C4 olefin separation and targeted catalytic processes, ensuring high-volume output aligned with domestic and export market needs. Supply reliability hinges on feedstock stability from upstream cracking units and operational load rates, both of which depend on demand cycles and plant turnaround schedules. Actual output is flexed to match the prevailing requirements across main grades, with stocks prioritized for scheduled contracts and regional offtake volumes.

Lead Time & MOQ

Lead times vary by grade selection and booking volume. For regularly demanded grades, ex-tank availability covers immediate shipment subject to sales orders. Custom-packed or high-purity grades may involve lead times reflecting process scheduling and in-line quality clearances. Minimum order quantities are set based on grade, downstream application, and logistical rationality, ensuring minimal residue and optimal shipping cost allocation per lot.

Packaging Options

Standard packaging utilizes bulk tankers and ISO tanks suitable for petrochemical logistics. Barrels and IBC totes can be arranged for specific end users. Tank selection responds to purity sensitivity and downstream processing tolerances. Packaging certification and batch traceability are prioritized where compliance is dictated by regional import controls or client QA frameworks.

Shipping & Payment Terms

FOB and CIF terms are employed for global destinations, subject to customer risk and customs preferences, while domestic sales favor ex-works contracts. Payment security aligns with contract value and trading history, integrating L/C, T/T, or credit arrangements on approval. Seasonality and port congestion occasionally impact scheduling, directing contingency planning in multi-port operations.

Pricing Structure & Influencing Factors

Interpretation of Raw Material Cost Composition

Butylene-1 cost structure centers on the value of cracker-derived C4 streams. Raw material pricing is highly susceptible to fluctuations in naphtha and LPG input costs. Each process route yields a differing co-product profile, affecting net production economics and influencing spot versus contract pricing. Grade differentiation and target application purity dictate further purification, reflected in cost markup.

Fluctuation Causes

Price instability emerges from hydrocarbon volatility, refinery operating rates, and sectorial shifts in demand, such as seasonal PE/PP polymerization activity. Turnarounds at upstream plants create short-term scarcity, while macro-trends like energy policy shifts or regional trade limitations deepen price swings. Regulatory checkpoints and safety upgrades add variability to the cost base in a manner directly observable on quarterly settlement prices.

Product Price Difference Explanation

Grades are stratified by application: polymerization-grade prioritizes minimal olefinic and saturate content, while chemical-grade permits greater impurity latitude tailored to derivative synthesis. Purity level directly shifts price per ton due to additional separation, QA, and loss factors in manufacturing. Certifications for REACH, TSCA, or other region-specific standards introduce surcharges, justified by documentation and batch testing protocols. Packaging format (bulk, drum, tank) modifies cost allocation, mostly due to cleaning, residual management, and regulatory labeling for hazardous shipping.

Global Market Analysis & Price Trends

Global Supply & Demand Overview

Ethylene and propylene chain capacity expansions continuously affect the butylene-1 supply pool, especially in Asia-Pacific, where steam crackers and PDH units anchor new capacity. Demand closely follows polymer-grade requirements (especially for LLDPE/HDPE copolymer production), with global utilization tracking consumer cycles in developed and emerging markets. Changes in capacity deployment or unplanned outages regularly ripple through spot pricing in major trading hubs.

Key Economies Analysis: US / EU / JP / IN / CN

US: Domestic supply leverages shale-derived C4s; periodic exportable surplus stabilizes North American pricing but faces shipping-lag risks.
EU: Tighter regulations and aging cracker infrastructure result in moderate output growth; certification and compliance add to landed cost for imports.
JP: Stable demand but limited local feedstock flexibility; dependency on contract imports intensifies as energy transitions progress.
IN: Rising polymer sector fuels demand; import reliance and logistics bottlenecks expose end-users to sharp price swings.
CN: Local production drives regional price discovery, though margins compress during periods of oversupply or margin squeeze upstream.

2026 Price Trend Forecast

Price moderation may follow anticipated capacity projects in East Asia, though actual ROI depends on feedstock normalization and regulatory stability across APAC and Europe. Upstream volatility in oil and gas exerts the main pressure; price spikes are not ruled out where logistical chain disruptions coincide with refinery downtime. Longer-term, regulations on VOCs and renewable mandates may adjust cost trends upward, especially for specialty or certified grades. Data aggregation relies on industry benchmarks, cargo tracking, and direct exchange feeds from global trading platforms.

Data Sources & Methodology

Market intelligence integrates industry association reports, refinery said-plans, import/export filings, trade platform feeds, and internal transparency on raw material procurement. Comparative trend analysis references price history across key nodes with adjustments for freight, duty, and certification differential. Forecasts blend deterministic modeling on capacity/utilization with discretionary overlays for regulatory changes and known investment plans.

Industry News & Regulatory Updates

Recent Market Developments

Feedstock rationalization and refinery upgrades have led to intermittent supply interruptions across main coastal hubs. New process debottlenecking across Asia improves batch consistency but increases the throughput of lighter grades, changing typical product splits.

Regulatory Compliance Updates

Recent tightening of emissions and product safety rules, particularly in EU and China’s hazardous chemical catalog, has compelled additional documentation and batch testing protocols. Importers now cite traceability and impurity reporting as non-negotiable in offtake contracts for polymer-grade streams. Upgrading internal EHS controls remains a major overhead for any producer operating in cross-border supply chains.

Supplier Response & Mitigation

Process reconfiguration aligns with regional policy shifts, particularly around residual olefin content and VOC minimization. Upgrades target real-time monitoring and advanced control points, focusing on impurity rejection and traceable finished product lots. Flexible tank storage and modular packaging setups answer the need for quick response to sudden shipment or contract changes, reducing turnaround and minimizing demurrage costs during port or customs delays. Routing investment toward automation supports sustained compliance and price discipline in increasingly fragmented regulatory environments.

Sinopec Shanghai Petrochemical Butylene-1
Application Fields & Grade Selection Guide

Application Fields & Grade Matching Guide

Industry Applications

In industrial operations, butylene-1 mainly serves as a co-monomer in the production of polyethylene and polypropylene, a feedstock for organic synthesis, and as a building block in plasticizer alcohol processes. In polyolefin production, its role as a comonomer is critical because its purity and moisture content directly influence polymer structure, melting point, and finished product performance. Beyond polyolefins, butylene-1 finds use in the manufacture of specialty chemicals, where high-purity requirements and low levels of unsaturated hydrocarbons become more critical due to downstream reaction pathway sensitivities.

Grade-to-Application Mapping

Grade Main Application Areas Key Requirements
Polymerization Grade LLDPE, HDPE, specialty copolymers High purity, controlled isomer content, low oxygenates and water
Chemical Synthesis Grade Butanols, specialty chemical intermediates Stable hydrocarbon profile, minimized olefinic impurities
General Industrial Grade Bulk organic synthesis, intermediate supply Consistent feed properties, process compatibility, acceptance of certain minor impurities

Key Parameters by Application

Process designers and operators monitor butylene-1 assay, isomer content, and impurities. In comonomer applications, even slight variance in purity or isomer distribution shifts polymer properties and catalyst reactivity. For chemical synthesis, hydrocarbon stability and contaminant control (especially oxygenates, water, and heavy-ends) ensure reproducibility of downstream reactions and protect equipment from fouling.

How to Select the Right Grade

Step 1: Define Application

Project engineers begin by clarifying the performance objectives: is butylene-1 required for polyolefin co-monomer service, or is it intended for direct synthesis use? End-product requirements such as clarity, flexibility, or chemical resistance in polymers drive the permissible range of trace components in the feedstock.

Step 2: Identify Regulatory Requirements

For polymers in food-contact, potable water pipes, or medical packaging, compliance with specific national or international chemical standards becomes essential. Material procurement teams verify that each butylene-1 lot meets these external test points before approval, often specifying allowed process impurities and migration limits.

Step 3: Evaluate Purity Needs

Operations managers review internal production data and relevant downstream performance history to select grades with the needed minimum purity. For catalyst systems with narrow impurity tolerances, specifying a higher-purity butylene-1 grade sharply reduces batch-to-batch process variations and downstream rework rates.

Step 4: Consider Volume & Budget

Large-volume consumers, such as continuous polyolefin plants, often align grade choice with overall plant economics. Technical cost breakdown between grades should consider expected yield changes, downtime risk from off-spec butylene-1, and any added purification steps within the facility.

Step 5: Request Sample for Validation

Before any grade enters full-scale use, pilot plant managers or R&D personnel evaluate supplied material. Validation trials capture real-world polymer yield, product stability, smell, color, and all other critical-to-quality factors. In case of custom or specification-driven requirements, in-house analytical teams verify each parameter against the release criteria and test tolerance stack.

Trust & Compliance: Quality Certifications & Procurement Support for Sinopec Shanghai Petrochemical Butylene-1

Quality Compliance & Certifications

Quality Management Certifications

Sinopec Shanghai Petrochemical manages butylene-1 manufacturing under production systems certified for compliance with internationally recognized quality management practices. Routine audits by independent bodies validate that standard operating procedures, from raw material acceptance to final product dispatch, meet the documented requirements of management standards such as ISO 9001. Internally, continual improvement cycles direct attention to consistency between batches, traceability of inputs, and minimization of off-spec discharge. Oversight extends to supporting documentation, staff qualification, and the corrective-action workflow for handling non-conformance.

Product-Specific Certifications

For butylene-1 used in applications with critical downstream quality requirements, such as polyolefin copolymerization or specialty synthesis, compliance verification adheres to both national and contractual benchmarks. Certification scope reflects the order specification, which may reference Chinese GB standards, ASTM, or customer-nominated international specifications. Certification records connect batch numbers to analytical data generated by registered QC instrumentation at designated control points. For specialized sectors, additional reporting or external verification may supplement routine certificates of analysis to underline conformance to product grade and end-use sensitivity.

Documentation & Reports

Each lot of butylene-1 is delivered with a comprehensive documentation package. Core reports include the certificate of analysis listing analytical values obtained from final QC sampling, description of sampling methods, and traceability to in-process inspection records. When required, the reporting set extends to include impurity profiles, methods validation documentation, and details of transportation packaging checks. All key processing, analytical, and release data are archived according to regulatory retention requirements and available for customer review upon reasonable request.

Purchase Cooperation Instructions

Stable Production Capacity Supply and Flexible Business Cooperation Plan

Capacity planning for butylene-1 takes priority across both long-term and spot orders. Capabilities to meet diverse demand are underpinned by multi-line integration, with feedstock streams and process sequencing adapted based on market signals and contracted delivery schedules. Customers with predictable volume needs can enter rolling supply agreements or secure fixed allocations aligned with annual or quarterly forecasts. For projects requiring non-standard supply profiles—such as trial phases or seasonal upswings—the commercial team works with technical and production to create bridging solutions, including priority slotting or inventory reservation.

Core Production Capacity and Stable Supply Capability

Production lines running butylene-1 operate within a tightly managed network of upstream and downstream assets, supporting continuous operation and minimizing unplanned outages. Control systems monitor critical parameters including feed composition, reactor conditions, and purification stages. Contingency protocols prioritize allocation for qualifying partners, maintaining stable flow by blending multiple process batches or switching supply points. Supply performance metrics (such as on-time fulfillment and deviation rates) are reviewed internally and shared transparently with long-term partners as part of relationship management.

Sample Application Process

For validation of product fit and compatibility, Sinopec Shanghai Petrochemical provides sample quantities suitable for standard laboratory or pilot-scale downstream testing. The application workflow begins with customer technical disclosure so that the relevant production batch and grade can be selected to match testing parameters. The sample is accompanied by analytical results and safety documentation reflecting the batch in use. Feedback from sample evaluation often informs subsequent delivery quality targets or triggers a technical discussion about formulation adjustments.

Detailed Explanation of Flexible Cooperation Mode

Business models extend from fixed-term supply contracts to responsive volume arrangements tailored to short-term demand shifts. Some customers opt for buffer stock agreements where inventory is held at intermediate storage to support rapid call-off. Customer integration may also extend to coordinated QA standards, joint troubleshooting of downstream processing issues, or defined escalation paths for urgent supply or technical support. The technical and commercial teams remain on call to adapt cooperation modes based on new plant start-ups, specification adjustments, or supply chain developments.

Market Forecast & Technical Support System for Sinopec Shanghai Petrochemical Butylene-1

Research & Development Trends

Current R&D Hotspots

Butylene-1 from Sinopec Shanghai Petrochemical serves as a critical co-monomer in the polyethylene and polyolefin industries, where product purity and trace-impurity control determine downstream polymerization efficiency. Current research within our facilities targets minimizing oligomeric residue formation and improving the feedstock-to-product yield ratio, focusing on catalyst optimization and the suppression of unwanted by-products during the cracking and extraction steps.

A major priority for our teams concerns impurity profiling, as trace amounts of oxygenated or sulfur-containing species directly impact Ziegler-Natta and metallocene catalyst stability in high-performance PE/LLDPE grades. Our analytical laboratories coordinate real-time monitoring, employing advanced on-line GC and NMR methodologies to track batch-to-batch drift and identify potential off-specification events before product release. Process-modified grades for food-contact, pharmaceuticals, or specific copolymerization parameters are under active investigation.

Emerging Applications

Beyond copolymer production, our R&D division explores new utility in specialty chemicals—particularly as an intermediate for plasticizers, surfactants, and specialty solvents, where demand ties closely to local regulatory shifts and downstream reformulations in response to tightening VOC and REACH restrictions. Butylene-1 derivatives increasingly find their way into specialty elastomers, performance adhesives, and automotive under-the-hood applications, where tight property control ensures end-use reliability.

Technical Challenges & Breakthroughs

On the technical front, the industry confronts persistent challenges in scaling up highly selective catalytic dehydrogenation while controlling isomer formation. Our engineers address this by refining raw material preprocessing, boosting feedstock homogeneity, and integrating advanced fractionation columns to minimize C2/C4/C5 cross-contamination. The shift to continuous real-time impurity mapping combined with robust SCADA-driven lot tracking forms a core breakthrough, shortening the gap between off-line lab tests and production-tight course corrections to reduce rework and downtime incidents.

Future Outlook

Market Forecast (3-5 Years)

Global and domestic consumption for Butylene-1 is projected to trend upwards, closely tracking polyolefin expansion across Asia and the growing adoption of high-performance copolymer resins in packaging, medical disposables, and consumer goods sectors. Supply stability relies on feedstock security and process reliability at the manufacturing level. Our investment plan in process integration and digitalization is designed to deliver consistent output in the face of feedstock variability. Market growth remains sensitive to macroeconomic cycles, new ethylene/propylene supply entries, and changing polymer consumption profiles in the region.

Technological Evolution

Advances in process intensification—such as higher-yield catalytic routes, on-site continuous purification, and trace impurity trapping—form the next wave of plant upgrades. Our technical teams prioritize modularizing process units to rapidly adapt to new product grade requirements and tie-in upstream waste minimization loops, incorporating feedback from polymer producers and compounders. Granular process analytics help identify new control levers for minimizing batch cross-variation and quickly isolating atypical by-product streams.

Sustainability & Green Chemistry

Our roadmap focuses on energy usage reduction per unit output, closed water-loop integration, and feedstock circularity, where off-gas capture and feedstream recycling cut down material wastage. Partnerships with downstream compounders help us pilot green chemistry solutions—refining our catalyst packages to lower hazardous by-product potentials and implementing solventless or low-VOC post-treatment steps in response to environmental compliance trends. The broader adoption of LCA (Life Cycle Assessment) and eco-labelling in our raw material selection and product stewardship frameworks continues to influence R&D investment.

Technical Support & After-Sales Service

Technical Consultation

Customers have access to direct process engineering consultation, drawing on our plant operations, analytical, and polymer application teams. Technical enquiry handling involves root-cause analysis of polymerization deviations, on-site troubleshooting for thermal/chemical interaction, and practical advice on best-in-class storage, transfer, and formulation to reduce contamination or loss during downstream processing.

Application Optimization Support

Our support specialists work side-by-side with converter plants and compounders to fine-tune butylene-1 dosing protocols, precisely matching product grade to process and minimizing batch rejections or gel formation risks in complex copolymer formulations. In-house trials and pilot runs help simulate end-user extrusion, injection, and blow molding under actual conditions, delivering data on compatibility, expected volatility, and anti-sticking performance tied to grade specifics.

After-Sales Commitment

Batch-to-batch consistency management and rapid response in the case of customer deviation claims are backed by a documented traceability chain, linking each delivery to quality control records and production batch logs. Specification customizations follow a documented change management protocol, coordinated with the customer’s technical team. Complaint handling and corrective actions proceed with full disclosure of test methodologies and resolution timelines, fostering a partnership approach to long-term reliability and supply stability.

Sinopec Shanghai Petrochemical: The Direct Approach to Reliable Butylene-1 Supply

Continuous Butylene-1 Manufacturing at Industrial Scale

At Sinopec Shanghai Petrochemical, Butylene-1 comes off the line in consistent, high volume. Decades of investment have given us a stable process from catalyst selection to distillation. We produce Butylene-1 for the kind of commercial use that demands steady, predictable composition—from high-purity C4 fractions, refined in our own distillation towers. We keep every process step close to the production source, which means fewer surprises for bulk buyers downstream.

Key Roles in Industrial Synthesis

Our Butylene-1 feeds directly into polymer and plastic industries. We serve customers producing linear low-density polyethylene and specialty olefinic copolymers, relying on a stream of clean, assay-consistent Butylene-1 to keep their reactors online. Cable insulation, automotive parts, and advanced packaging films start with our material. Buyers in these segments need tight boiling ranges and low impurity profiles; each batch aligns with strict production criteria.

Controlling Quality Every Step

Direct ownership of the process brings clear control. Raw material checks begin on arrival at the crude C4 fractionation unit. Each run draws from tightly managed feedstock inventories. Operators run GC and NMR tests on shift and adjust process conditions in real time, not after the fact. QC results tie directly to production records—so that lot traceability travels with every ton shipped. Our facilities have adopted automated sampling and continuous online analyzers, leaving no room for off-spec loads to reach customers.

Packaging Formats to Match Supply Chain Needs

We bulk load Butylene-1 using equipment maintained by our own teams at dedicated onsite terminals. Steel tank trucks, isotanks, and railcars give buyers choices matched to their handling and storage infrastructure. Packaging crews work from a documented checklist for purging, leak testing, and final loading. Our distribution yards operate to a fixed logistics calendar, supporting time-sensitive supply programs for regional and international customers. Tank-level control systems and synchronized fleet scheduling allow for contract-based planning without unexpected gaps or delays.

Technical Support Built on Field Experience

The technical support desk draws on plant operations staff—engineers who have spent years working with Butylene-1 reactors, not just spec sheets. When a partner plant in the polymer field introduces a process change, our technical team reviews it for compatibility with our actual output data. We supply guidance on feedstock conditioning, purity control, and safety protocols, integrating customer input into regular feedback for our process engineers.

Business Value for Industrial Buyers

Manufacturers selecting Butylene-1 from Sinopec Shanghai Petrochemical benefit from a direct line to production and logistics decision-makers. Transaction volumes, packaging, and shipment frequency come together under a single commercial account led by people with factory authority. Procurement teams gain a transparent view of origin and batch history, supporting both compliance and risk management goals. Distributors integrating our supply into large-scale networks can plan on repeatable loading times, forecast accuracy, and direct escalation options for process or delivery concerns.

Direct Manufacturing, Predictable Supply

Long-term partners expect a supplier to back up both product and process. We keep every step of Butylene-1 production and delivery under our own operations—so questions on consistency, batch integrity, and logistics see answers direct from the source. Every market shift and production change brings fresh investment in control, tracking, and quality assurance, all from a manufacturer with a single point of accountability from C4 feed to final delivery.

Industrial FAQ

What are the key physical and chemical properties of Sinopec Shanghai Petrochemical Butylene-1 suitable for industrial applications?

As direct manufacturers, we work hands-on with every batch of Butylene-1 produced by Sinopec Shanghai Petrochemical. Our operation focuses on delivering high-purity material that meets the strict demands of high-end polymerization applications. Through years of refining production techniques and rigorous quality checks, we secure product consistency batch after batch, supporting factories that depend on reliable inputs for downstream processes.

Physical Characteristics

Butylene-1, in its pure state, presents as a clear, colorless, volatile liquid at room temperature. Its boiling point sits around 63°C, and the density measures close to 0.62 g/cm3 at 20°C. This material displays a low freezing point, making storage and handling practical in large-scale industrial environments, especially for plants requiring year-round bulk supply.

Its vapor pressure and evaporation rate need careful management—our storage tanks and transport systems integrate tight controls to minimize loss through volatilization, keeping product integrity and workplace safety at the forefront. Safe, secure transfer systems are integral to our daily operations, minimizing risks of accidental release or contamination.

Chemical Purity and Reactivity

Our Butylene-1 consistently exceeds 99% purity by advanced gas chromatography—we monitor trace olefins, paraffins, and moisture levels closely, as off-spec content directly impacts the effectiveness of catalytic processes such as Ziegler-Natta polymerizations. Impurities like oxygenates or sulfur compounds are strictly suppressed, based on regular laboratory analyses.

Butylene-1 acts as a crucial co-monomer for high-performance polyethylene production. Its structure—an unbranched four-carbon mono-olefin with the double bond in the alpha position—lets it easily copolymerize, improving impact strength, flexibility, and toughness in end-use plastics. We’ve seen manufacturers of pipe, film, and wire insulation achieve more uniform physical properties and longer life cycles by switching to our high-purity Butylene-1.

Process Compatibility and Handling

Industrial customers rely on consistent vapor-liquid ratios when feeding Butylene-1 into reactors. Our production teams focus on stabilized product, reducing peroxides and other reactive byproducts. The chemical’s flammability and reactivity with strong oxidizers require strict adherence to grounding and inerting protocols. We recommend dry, pressurized nitrogen blanketing during storage, a practice we use in our own on-site tanks.

Handling Butylene-1 successfully over the years has shown us that temperature and moisture control at every transfer point pays off. Even trace amounts of water or heteroatoms can foul polymerization catalysts and lead to downtime. Our logistics teams employ closed-loop, stainless steel piping systems for both on-site distribution and customer deliveries, reducing purity risks during loading and unloading.

Support and Continuous Improvement

As the direct manufacturer, we have real-time access to both production and quality control data. Our technical teams collaborate with end users to troubleshoot unexpected results and optimize Butylene-1 dosing in their formulations. We can provide detailed specifications and recent COAs for any batch, offering transparency and traceability for all shipments.

Reliability in supply matters as much as chemical quality. Our production facility employs continuous-process technologies for Butylene-1, supported by experienced operators who understand the critical nature of every delivery. Your operations depend on timely shipments and assured consistency—our workflow prioritizes these needs.

What are the minimum order quantities, lead times, and pricing structures for procurement of Sinopec Shanghai Petrochemical Butylene-1?

Understanding Order Quantities and Production Cycles

We routinely receive requests from polymer producers and specialty chemical formulators who are looking for direct, reliable supply of Butylene-1 from our Shanghai facility. The conversation almost always starts with minimum order quantities. For bulk shipping, our standard minimum order for Butylene-1 relies on full-container or full-tanktruck volumes. Full ISO tank shipments typically begin at 17-20 metric tons, which matches both international shipping efficiency and plant logistics. Drummed shipments start at higher minimums, around 16 metric tons, to optimize stacking and handling throughout warehousing and transit.

Lead Times in a Real-World Production Environment

Our team fields questions about lead times each week, particularly during periods of tight market supply or scheduled maintenance. Lead time for Butylene-1 starts at 14 days after confirming the purchase order and agreeing on payment terms. This reflects the actual production schedule at the Shanghai petrochemical complex, internal quality release, and securement of polymer-grade shipping containers. Circumstances like major turnarounds, surges in regional demand, and port congestion can push these lead times longer. We share production schedules in advance with established contract customers so they can build realistic supply chains rather than guessing at availability.

How We Structure Pricing

Our pricing is transparent at scale. Formula pricing, indexed to major feedstock trends such as naphtha or ethylene, remains common in our Butylene-1 contracts. Large-volume customers see the most competitive pricing, as we can pass along operational savings when managing consistent demand. Seasonal spikes in feedstock costs or sudden demand for packaging film, for example, will influence pricing. We issue quotations in both USD and RMB, based on the customer’s commercial location, and offer both spot and annual contract terms. As manufacturer, we include standard technical support, documentation, and regular purity analysis as part of the contract price.

What Direct Manufacturing Brings to the Table

We produce Butylene-1 on a dedicated line designed for consistent polymer grade specifications, with robust quality assurance through each shipment. Our technical staff runs full analytics batch by batch, and we can provide detailed Certificates of Analysis with every order. We know from experience that resin producers need long-term consistency; our process control systems track and record parameters at all critical points. Customers rely on us for both technical consultation and troubleshooting during their own process trials.

Addressing Procurement Challenges

One challenge procurement teams face is balancing inventory levels against uncertain market lead times. Our stable production base and established logistics channels minimize the risks of unexpected shortages. We advise direct communication with our commercial representatives to forecast demand by quarter, instead of relying on spot buying that may expose the client to greater volatility.

Ultimately, our approach as the direct manufacturer aligns with large-scale, continuous procurement cycles, where cost transparency, secure supply, and technical assurance matter most. By working together on clear quantity commitments and forecasted orders, we can maintain a more resilient supply chain for all partners involved. Our team stands ready to clarify any procurement or technical details directly, bringing decades of plant experience to every shipment.

What are the shipping options, packaging standards, and regulatory compliance requirements for international transport of Sinopec Shanghai Petrochemical Butylene-1?

Direct Insights on International Transport

Over the years, our team at the production facility has seen just how much careful planning international shipping of butylene-1 requires. Moving this petrochemical beyond China’s borders means anticipating customs inspections, different port standards, and climate conditions along the route. Our main aim each time is to keep the material secure, undamaged, and in strict compliance with all relevant regulations.

Shipping Options Grounded in Real-World Handling

Our logistics team prepares shipments of butylene-1 using both bulk liquid tank containers and ISO-certified drums. Tank containers make sense for buyers managing significant production volumes. They minimize any risk of contamination and allow us to monitor product integrity closely from the filling stage to final offloading. Smaller shipments are packed in tightly sealed steel drums. We use corrosion-resistant internally lined drums, giving the right protection against leaks or external moisture. We load these on pallets with sturdy shrink-wrapping, which helps during the rigors of sea and overland transport.

Every shipment gets stenciled with clear, specific labeling, using language that aligns with the required importing country’s regulations—no vague generalities, just what front-line staff need to act quickly if an incident occurs en route.

Packaging Standards: Our Practice

We follow strict internal packaging protocols not because regulations demand it, but because years in the industry have shown us how mishandled packaging can become a safety issue. All tank containers undergo tightness pressure checks before loading, and all drums are batch-inspected—no shortcuts. We generate a full set of documentation, including certificates of analysis, product traceability logs, and pre-shipment inspection records, ready for port authorities and buyers. The packaging includes tamper-evidence seals, serial numbers for each batch, and compliance stamps for traceability. Shipments conform to international DG (Dangerous Goods) packing codes for flammable liquids, currently classified under UN No. 1012.

Regulatory Compliance: Going Beyond Minimums

We keep a close watch on both China’s export laws and international conventions like the IMDG Code and ADR guidelines. Every container of butylene-1 traveling internationally complies with marine and land transport rules for flammable gases—those are non-negotiable points. Accurate Material Safety Data Sheets accompany every export consignment, and labels reflect GHS pictograms and signal words as stipulated by the receiving country. In most regions, authorities expect documentation of correct UN numbers, hazard statements, and emergency response phone numbers. Our compliance staff routinely audits these documents, so there are no surprises during shipments.

Differences between destination countries can complicate export approvals, especially regarding local environmental safety and port restrictions. Our operations team maintains ongoing communication with carriers, keeping current on changing port regulations or vessel restrictions. Overpacking and double-labeling can lead to delays, so we avoid redundant processes. Instead, our approach is: meet the requirements exactly, document it properly, and track every container until it clears foreign customs.

Addressing Risks and Supporting Partners

We see every shipment as a test of our operational discipline and engineering controls. Every year, our technical staff review transport incidents and strengthen staff training. We know risk does not end at our factory gate—maritime incidents, temperature swings, or improper unloading practices can impact the final user. By applying these standards and sharing handling guidance with logistics partners, we support a safer petrochemical supply chain and build confidence for all parties relying on butylene-1 for their downstream production. Our systems continue to adapt as markets and regulatory climates evolve.

Technical Support & Inquiry

For product inquiries, sample requests, quotations or after-sales support, please feel free to contact me directly via sales9@ascent-chem.com, +8615371019725 or WhatsApp: +8615371019725