| Names | |
|---|---|
| Preferred IUPAC name | Prop-2-enenitrile |
| Other names | Acetonitrile Carbamylonitrile Cyanomethane Fumigrain Propenenitrile Vinyl cyanide 2-Propenenitrile Acrylonitril |
| Pronunciation | /ˌæ.krɪ.ləˈnaɪ.trɪl/ |
| Identifiers | |
| CAS Number | 107-13-1 |
| Beilstein Reference | 635873 |
| ChEBI | CHEBI:30664 |
| ChEMBL | CHEMBL107945 |
| ChemSpider | 5287 |
| DrugBank | DB01379 |
| ECHA InfoCard | 03ee2708-4df0-48b1-a7bc-a4da1d97c3a0 |
| EC Number | 200-835-2 |
| Gmelin Reference | 623 |
| KEGG | C00992 |
| MeSH | D001019 |
| PubChem CID | 7847 |
| RTECS number | AT9600000 |
| UNII | 5MMT2PU387 |
| UN number | 1093 |
| Properties | |
| Chemical formula | C3H3N |
| Molar mass | 53.06 g/mol |
| Appearance | Colorless to pale yellow liquid with a pungent odor |
| Odor | Faintly aromatic |
| Density | 0.806 g/cm³ |
| Solubility in water | 7.35 g/100 mL (20 °C) |
| log P | 0.25 |
| Vapor pressure | 11.1 kPa (at 20°C) |
| Acidity (pKa) | 23.7 |
| Basicity (pKb) | -6.1 |
| Magnetic susceptibility (χ) | -18.2×10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.3912 |
| Viscosity | 0.34 cP at 25°C |
| Dipole moment | 3.8 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 208.1 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | ΔfH⦵298 = 71.1 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -1898 kJ/mol |
| Pharmacology | |
| ATC code | V03AB26 |
| Hazards | |
| GHS labelling | GHS02, GHS07, GHS08, GHS09 |
| Pictograms | GHS02,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H225, H301, H311, H315, H319, H331, H335, H341, H351, H370, H373, H400 |
| Precautionary statements | P210, P261, P280, P301+P310, P304+P340, P311, P303+P361+P353, P305+P351+P338, P337+P313, P403+P233 |
| NFPA 704 (fire diamond) | 3-3-2-F |
| Flash point | 2 °C |
| Autoignition temperature | 481 °C (898 °F) |
| Explosive limits | 2.8–17% |
| Lethal dose or concentration | LD50 oral rat 78 mg/kg |
| LD50 (median dose) | LD50 (median dose) of Acrylonitrile (AN) is "78 mg/kg (oral, rat) |
| NIOSH | NIOSH: 0844 |
| PEL (Permissible) | 2 ppm |
| REL (Recommended) | 1 ppm |
| IDLH (Immediate danger) | 85 ppm |
| Related compounds | |
| Related compounds | Acetonitrile Methacrylonitrile Alpha-methylstyrene Acrylamide |
| Category | Description |
|---|---|
| Product Name | Acrylonitrile |
| IUPAC Name | Propenenitrile |
| Chemical Formula | C3H3N |
| Synonyms & Trade Names | Vinyl cyanide, AN, VCN, 2-propenenitrile |
| HS Code & Customs Classification | 2926.10 |
Selection of raw materials for acrylonitrile focuses on high-purity propylene and ammonia to control trace byproducts during ammoxidation. Production relies on the SOHIO process, which continues to dominate due to its consistent yield and manageable impurity profile. The grade of acrylonitrile strongly influences trace contaminant levels; for fiber-grade or polymer-grade, after-reactor purification tackles aldehydes, acids, and other associated volatiles before bulk storage or downstream transfer.
Quality management evaluates compositional consistency batch to batch, as repeated cycles of distillation, solvent scrubbing, and drying form the backbone of impurity minimization. Where spec requirements shift for special polymer or elastomer uses, dedicated lines or segregated settings ensure cross-contamination control. Aging storage is avoided for application-sensitive grades since peroxides and low-boiling byproducts can appear if storage conditions slip outside tight specification—refrigeration or inert blanketing may be used as technical controls.
HS Code 2926.10 captures acrylonitrile across typical customs regions. Specific documentation and reporting methods follow both local customs rules and, when required, global PIC/S and CWC regulatory oversight. The customs classification can trigger special handling in logistics chains, demanding certified bulk tankers, dedicated loading/unloading, and scheduled sampling for international transfer, especially in export to plastics, synthetic rubber, and fiber plants.
The release standard for acrylonitrile always links back to customer-defined criteria—certain elastomer and fiber manufacturers specify gas chromatographic purity or moisture levels based on their end-use process. In-process control targets heat flux, gas ratios, residence times, and byproduct offgas quantification, since deviations at any of these points lead straight to finished-product deviations. As a manufacturer, we dedicate separate storage, transfer, and packaging units across process grades to maintain reliability for recurring downstream partners.
In the production environment, acrylonitrile typically leaves the distillation column as a clear, colorless to slightly yellow liquid. The pungent, irritating odor is immediately noticeable in the work area, signaling any fugitive emissions. Melting and boiling characteristics depend on both purity and pressure conditions during recovery and storage. Industrial experience shows that temperature excursions can lead to volatility issues or polymerization risks, especially during batch transfers.
Measured density varies slightly with grade and residual water content. Dense weighing and solution mixing demand controlled conditions—especially at large scale—since solubility in water and many organics can affect downstream formulation, either favorably or adversely, for copolymer or solvent systems. When handling different grades, dewaxing and pre-purification steps influence how fast or slowly phase separation occurs in mixed solutions.
Acrylonitrile’s double bond and nitrile functional group give it pronounced reactivity. It remains chemically aggressive toward bases, acids, and strong oxidizers. Uninhibited storage or high ambient temperature can start self-polymerization, occasionally leading to blockages in process lines or filtration systems. Operators must remain cautious in specifying inhibitors in bulk storage and pipelines. Impurities, especially iron, catalyze degradation, so materials of construction are selected based on practical corrosion resistance, not just compatibility tables.
Water solubility impacts both environmental management and process formulation. The ability to prepare dilute solutions enables specific grades to suit either direct monomer feedstock or as intermediates in multi-stage syntheses. Solubility also determines the approach toward spill containment and decontamination.
| Parameter | Polymer Grade | Chemical Grade | Other Grades |
|---|---|---|---|
| Color | Typically low APHA, grade-dependent | May allow higher APHA | Defined per order |
| Inhibitor Content | Adjusted to downstream specification | Level tailored per process | On request |
| Water Content | Tight limits to ensure stability | Process-specific | Flexible |
Specification ranges tie directly to the target use. Polymerization-feed grades must meet tight color and inhibitor tolerances, often dictated by the final product line (e.g., ABS, SAN). Chemical use grades typically accept slightly broader impurity and color tolerances. Customer process chemistry frequently defines the cut-off points for trace elements and allowed side products.
Trace compounds arise from raw materials, catalyst residues, and side reactions in the reactor train. Routine monitoring focuses on aldehydes, unsaturated byproducts, and metal content. Periodic review of customer performance feedback informs which impurities most strongly affect polymerization or chemical conversion yields, driving the adjustment of purification protocols, especially when introducing new raw material sources or switching process conditions.
Test procedures reflect the downstream application: high-performance liquid chromatography for residual monomers, colorimetric or titrimetric methods for inhibitor concentration, and Karl Fischer for moisture. Each customer or region may present additional analytical requests for batch releases, emphasizing flexibility in the internal QC lab’s testing panel.
Onsite production typically starts from propylene and ammonia. Strategic supplier qualification ensures both availability and consistency, especially for propylene, given price fluctuations and feedstock purity concerns. If either input shifts in specification, failure rates or impurity burdens rise, prompting extra pre-processing steps or even temporary batch isolation.
Most large-scale plants use the vapor-phase ammoxidation of propylene, with carefully selected catalysts containing bismuth and molybdenum. Catalyst activity, pressure, and temperature settings collectively decide conversion efficiency, but they also influence which byproducts appear in the process stream, mandating continuous process tuning.
Process control includes constant monitoring of reactor exit gas composition, absorber column temperature, and inhibitor dosing in recovery tanks. Primary purification removes bulk water, then multi-stage distillation polishes the final product. Each process modification, such as catalyst change-out or upstream feedstock rationing during supply chain issues, receives full review within process engineering before rolling out to production operations.
Release protocol employs online analyzers for key parameters and off-line validation in the QC lab for compliance with customer deliverables. Experience shows that batch-to-batch variability can escalate if reactor catalyst ages unevenly or if raw material quality slips below system tolerance levels, prompting increased batch sampling and, if necessary, staged shipment holds pending customer acceptance.
Acrylonitrile functions as a versatile monomer in free-radical polymerization, copolymerization, and nucleophilic addition reactions. Reactive double bonds and nitrile group drive a broad portfolio of polymeric and chemical products, with conditions tailored to both chemical purity and customer yield requirements.
Specific processes demand fine-tuned temperature, pressure, and solvent selection depending on the type of polymer or intermediate being prepared. Catalysts accelerate various conversions, yet their selection must account for trace impurity profiles and sensitivities of final applications, especially in fiber-grade and medical polymer streams.
Acrylonitrile serves as a critical feedstock for acrylamide, adiponitrile, and the synthetic rubber industry. Polymerization products such as ABS and SAN rely on strict input purity. End-use application risks (e.g., background odor or off-color) trace back to monomer batch deviation, underscoring the importance of grading and end-use verification at each step.
Storage temperature often follows inhibitor specifications; too high, and polymerization risk rises, too low and product viscosity complicates handling. Humidity concerns are minimal unless liquid ingress compromises closed tank integrity. Light and oxygen exposure are minimized in practice using inert gas blanketing—most often nitrogen. Storage container material selection frequently leans toward stainless steel, lined carbon steel, or appropriately treated alloy to prevent corrosion and product discoloration.
Process experience demonstrates that shipping and storage tanks must be certified for compatibility with acrylonitrile and its inhibitors, since minor corrosion or pitting can catalyze degradation or batch contamination.
Shelf stability can extend considerably if handling avoids contamination, oxygen ingress, and excess heat. Early indicators of degradation include color darkening, precipitate formation, and off-odor in sampling. Shelf life shortens sharply without proper inhibitor maintenance and regular tank inspection. Expired or compromised material must be isolated and assessed for repurposing or safe destruction.
Acrylonitrile ranks as acutely toxic by inhalation, with strict operator exposure limits set by workplace safety protocols. Manufacturing departments apply advanced gas detection and remote sampling systems for plant environments. Skin and eye contact risks prompt strict use of chemical-resistant PPE. Hazard communication follows globally harmonized system classification for flammability, acute toxicity, and chronic health risks.
Industrial hygiene standards demand rigorous review of any new toxicity data. Short-term exposure risks center on direct inhalation symptoms; long-term attention focuses on potential carcinogenicity. Internal exposure monitoring forms part of every batch campaign, and medical surveillance programs track operator health in long-term production units.
Permissible exposure levels reflect evolving regulatory standards and are typically reviewed annually by plant health and safety teams. Practical plant procedures insist on full system containment, continuous leak detection, and regular PPE assessment. Spill response and decontamination protocols are updated based on on-the-ground incident feedback. Regular simulation drills test both operator training and monitoring equipment performance. Plant incident data inform not only immediate handling but also future design of storage and transfer systems.
Acrylonitrile production capacity follows investment cycles tied to global economic trends and downstream uses, particularly in ABS resins, synthetic fibers, and acrylamide manufacture. Plant debottlenecking, reactor upgrades, and catalyst optimization regularly change available output, but capacity is directly constrained by raw material feedstocks, namely propylene and ammonia. Most production facilities coordinate maintenance shutdowns around market demand troughs, which means availability tightens when multiple downstream users ramp up at once or if raw material shortages force throttling.
Allocation policies for contract customers often rely on rolling forecasts and annual offtake agreements. Spot cargo allocation is subject to existing contractual obligations, supply-demand balance, and regulatory quotas. In regions like China, capacity is volatile due to new entrants and plant closures driven by environmental compliance. Western producers operate fewer, larger lines tied to integrated petrochemical sites, which can buffer short-term shocks but sharply restrict flexibility during market spikes.
Normal lead times reflect logistics lanes from integrated refinery sources; these keep to 2-8 weeks from shipment confirmation, longer for remote locations or during congestion periods. Minimum order quantities (MOQ) reflect both packaging and transport economics—drum, ISO tank, or bulk vessel loadouts—ranging from multiples of several metric tons per call-off, defined by contractual terms with bulk buyers. Spot purchasers may face premiums and additional handling fees for smaller parcels.
Acrylonitrile packaging selection is driven by customer process safety, storage compatibility, and regional transport rules. Bulk ISO tanks dominate high-volume shipments, but steel drums and IBCs see use for smaller, more fragmented buyers or where site-specific risk controls demand restrict open-hatch transfer. Gas-tight, sealed systems reduce vapor loss and meet operator health protection protocols. Regional restrictions on bulk transfer—such as those in the EU and Japan—favor specialty containers.
Shipping terms follow prevailing international commerce rules (FOB, CFR, DAP), strongly shaped by the receiving country’s hazardous material import policy. Delays often arise at border inspections, especially with evolving compliance checks for classification and driver certification. Payment structures are rooted in pre-approved credit lines for established customers, while new or high-risk counterparties may trigger documentary LC or advanced payment requirements based on portfolio risk assessment.
Acrylonitrile production relies on propylene and ammonia via the SOHIO (propene ammoxidation) process route. Raw material share in total cost fluctuates with crude oil and natural gas indices, most heavily through the propylene input, which makes up the primary cost driver. Structured supplier pricing formulas may escalate automatically with monthly feedstock settlements or, in some regions, benchmark markets such as the US Gulf Coast. Fixed margin models prevail only in select annual contracts or where off-spec risk justifies a buffer.
Volatility in acrylonitrile price originates mainly from sharp swings in propylene contract prices, changes in ammonia supply, or force majeure upstream (such as refinery outages, geopolitical events, or port blockades). Seasonal forces matter: winter can trigger supply chain interruptions, while summer often sees spikes tied to synthetic fiber production cycles in Asia. Logistics costs (bunker fuel, port tariffs) compound these shifts, especially for cross-hemisphere trade.
Premiums apply for high-purity or electronic-grade acrylonitrile, especially where downstream polymerization or semiconductor applications demand low impurity thresholds for acetonitrile, water, or stabilizers. In certain markets, customers require documentary assurance—such as Kosher, REACH, or JIS-compliance certificates—which add cost by way of additional laboratory assurance and staggered batch release protocols. Packaging that meets enhanced hazardous material standards results in higher handling and certification fees, passed directly into final price differentials.
Aggregate supply matches major clusters in East Asia, North America, and selectively in Central Europe, mirroring downstream consumption footprints. China’s expansion has driven capacity surges, but demand swings in ABS, acrylic fiber, and specialty chemical segments create continual rebalancing. Export surges from Asia ripple through regional spot prices, especially if outages or maintenance in large US or EU plants coincide with production upticks overseas.
| Region | Key Supply/Demand Features |
|---|---|
| US | Integrated production favored; exports sensitive to local feedstock economics; maintenance scheduling drives quarterly variability. |
| EU | Tight environmental regulation; plant consolidation; high dependence on local propylene pricing and third-party ammonia contracts. |
| Japan | Older asset base, logistical premium due to complex import/export mechanics; strict standards favor higher purity products. |
| India | Demand volatility tied to fiber segment; import dependency creates repeated arbitrage windows; reacts quickly to ocean freight spikes. |
| China | Significant new capacity but uneven demand growth by sector; recurring regulatory inspections impact running rates; large role in spot price discovery. |
Anticipated price trends in 2026 shadow propylene and ammonia input forecasts, combined with regulatory developments in emissions and plant safety controls. Capacity expansions in East Asia may soften regional pricing, but structured offtake agreements and heightened compliance costs in developed economies introduce a floored price band. Continued fluctuations depend on winter feedstock volatility and the persistent shift of ABS, acrylic, and specialty application volumes to Asia.
Price outlook draws on published indices (ICE, CME, Asian ICIS), industry association briefings, and in-house tracking from direct sales, customer intake, and contract settlement data. Forecasting relies on historical pricing models, customer demand analysis, and feedstock procurement records integrated with regulatory change monitoring.
Several upstream outages and export controls changed the spot landscape in the last quarter. Asia-based capacity expansions are balancing out force majeure events, but persistent port congestion and rising insurance premiums linked to hazardous cargo shipping are lengthening lead times and raising variable logistics costs.
Compliance standards—especially for environmental emissions, personal exposure limits, and safe packaging of toxic substances—are tightening in several major economies. Chinese and EU facilities underwent updated environmental audits, leading to temporary slowdowns and additional assurance documentation. US and Japanese authorities revised cargo handling and driver certification for dangerous goods, which is adding complexity and delay to shipping flows.
In response, our technical teams have enhanced in-process quality management, deployed additional gas capture systems, and overhauled storage tank integrity programs to comply with new national rules. Contractual allocation measures are in place to mitigate regional disruptions. Further risk controls include forward-purchase hedges on raw material, flexible packaging options, and robust customer communication protocols regarding certification and supply tracking.
Acrylonitrile serves as a base monomer for a variety of downstream chemical processes. In our experience supporting industrial-scale customers, the primary users are manufacturers of acrylic fibers, ABS (Acrylonitrile Butadiene Styrene) resin, nitrile rubbers, and various specialty chemicals. Different applications depend on volume, purity, permissible impurity profiles, and regulatory boundaries.
| Industry | Principal Use | Recommended Grade | Key Selection Parameters |
|---|---|---|---|
| Acrylic Fiber Production | Main feedstock for spinning polymer | Polymerization Grade | Low color, minimal inhibitor, tight control of aldehydes and water |
| ABS Resin Manufacturing | Co-monomer in polymerization process | ABS Grade | Stable inhibitor content, restricted sulfur, trace metals, and other polymers-disabling contaminants |
| Nitrile Rubber | Co-polymer with butadiene | Rubber Grade | Low ionic contamination, consistent inhibitor, water control |
| Adiponitrile, Specialty Chemicals | Intermediate for amines, solvents | Technical Grade | Broader impurity tolerance, non-critical color, batch traceability |
From a production and QC perspective, the critical measures in AN include inhibitor content, color (APHA), water, aldehydes, sulfur, and non-volatile matter. Depending on the grade, specifications are set according to what is technically feasible by the production route in use and customer project requirements. For instance, fiber and ABS polymer applications are intolerant of yellowing or elevated formaldehyde; rubber grades require strict ion-exchange controls to prevent polymer gel formation in downstream processes. For specialty intermediates, focus shifts to minimizing process-borne contaminants that may affect subsequent synthesis or conversion yields. All batches undergo control checks for stability and impurity trends, with adjustments to purification stages as necessary.
Application drives both quality and processing behavior. Establish whether the end-use focuses on polymerization, elastomer synthesis, or as a chemical intermediate. As a manufacturer, we configure internal controls and final certificate of analysis (CoA) testing to capture metrics that impact specific use cases.
Compliance with region-specific health, safety, and environmental regulations is essential. Regulatory requirements target permissible levels for certain impurities, storage inhibitor type, and transportation restrictions. Before production slotting or dispatch, we check outgoing grades for conformity with applicable regional, national, or customer-required standards such as import/export purity, permitted stabilizers, and labelling mandates.
Assess the importance of trace impurities to your own process. Our grades vary in specification for water, organic acids, aldehydes, and trace metals. Applications in the fiber and ABS segments demand lowest impurity concentrations for optimal polymer chain growth and color. Secondary applications may tolerate higher impurity bandwidth, but depend on in-process studies for validation.
Technical grades may present advantages in cost or logistics flexibility for less sensitive applications with broad purity margins. For high-throughput polymerization, volume discounts depend on minimal lot-to-lot variance, which we secure through in-line analytics and load-out controls. For single campaigns, spot-batches are subjected to a full verification cycle to ensure compliance with both internal and customer-agreed benchmarks.
Before locking in a supply agreement, practical fit should be confirmed by sample validation under real use conditions. Each grade demonstrates process tolerance and product stability differently based on both raw material knits and downstream chemistry. Sample testing provides the basis for batch release customization and sets the reference for ongoing quality assurance between production lots.
Operational sites for acrylonitrile manufacture are regularly subject to external audits for ISO 9001 compliance. Certification serves as recognition of the implemented process controls for raw material evaluation, batch tracking, deviation analysis, and continuous process improvement. Each step, from raw material prequalification to final packaging, follows documented procedures and core work instructions. Internal audits review how teams respond to process upsets, establish corrective actions, and maintain traceability across shifts.
Core grades of acrylonitrile may require additional verification according to end-market or regulatory body demand. Typical requests involve confirmation against REACH registration status in Europe or TSCA listing in North America. For customers requiring food-contact or medical-use precursors, more stringent certification paths apply—those will call for documentation of applied test methods, impurity screening protocols, and record retention timelines. End-use sectors determine scope of third-party validation; support teams can review grade-specific compliance documentation on request, including prior project case references.
Each shipment is accompanied by a Certificate of Analysis aligned with internal lot release standards, reflecting key analytical results for the relevant batch. Standard report inclusions at a minimum: assay, water content, acidity, color (APHA/Hazen), and stabilization additive concentration. Additional parameters such as common tail impurities—acetonitrile, HCN, water—are analyzed according to agreed customer specification where needed. Archive retention of analytical results meets statutory or contractual durations per market; audit trail access can be supported under NDA.
Acrylonitrile manufacturing at core sites runs on continuous, integrated lines linked to feedstock propylene, ammonia, and catalyst units. Feedstock sourcing and plant load optimization define monthly availability; forward visibility into annual maintenance schedules supports long-term customer planning. Flexible cooperation plans address spot requirements, annual contracts, and volume-adjusted supply programs. For new projects or businesses with variable annual needs, staged ramp-up supply agreements are available, allowing phased withdrawals as downstream production scales.
Continuous process technology provides consistent product profiles, subject to real-time analytics and tight process controls on reaction parameters. Batch tracking systems capture data across catalyst age, upstream purity, and operational setpoints. Supply capability adapts to grade-specific requirements—high-purity batches for specialty applications, bulk output for commodity derivatives. Redundant tank storage and multi-modal logistics reduce risk of delivery interruption; planned shutdowns or force majeure adjustments are communicated as early as possible.
Technical teams support trial sampling through a defined application and review pathway. Sample requests begin with confirmation of use scenario and performance criteria. Samples are drawn from current manufacturing lots representative of the customer’s intended production grade. Safety Data Sheets (SDS), handling protocol, and analytical documentation accompany each sample by default. Feedback from trials informs further discussion of grade suitability, process compatibility, and downstream handling adaptations.
Different customers present varying requirements for batch size, order lead time, and schedule variation. Flexible business modes include just-in-time shipment scheduling, contract manufacturing for proprietary requirements, and consignment inventory systems for strategic partners. Customization of logistics—such as use of ISO tank, railcar, or drummed supply—follows after technical review of storage, unloading infrastructure, and site-specific safety considerations. Where validation batches are needed before full contract placement, project managers can support phased qualification and premarket supply, including change-control documentation and technical support through scaling.
Recent R&D efforts have focused most heavily on improving catalyst lifetime and selectivity in the ammoxidation route, since catalyst deactivation and product loss pose direct cost and yield penalties in continuous operation. Process teams continue to track raw material volatility, focusing on optimizing feed ratios and controlling heat management in reactors to minimize hotspot formation and off-gas production. In the lab, research groups pursue lower-temperature catalyst systems and more robust impurity control methods, aiming to reduce byproduct formation that can complicate downstream purification and impact polymer application performance.
Acrylonitrile’s traditional use in ABS resin, acrylic fibers, and rubber modifiers remains strong, with increased demand in automotive and electronics components. Recently, more project activity surrounds carbon fiber precursor production for wind turbine blades and hydrogen storage applications. Battery manufacturers are evaluating AN-based electrolytes and co-monomers for increased energy density and cycle life, spurring collaborative trials with specialty producers who can tailor impurity profiles and monomer stabilization packages for these emerging uses.
Operational bottlenecks in large-scale plants often relate to process fouling and moisture introduction during transport, which can lead to intermediate polymerization or product darkening. To address this, engineering teams refine distillation sequences and manage pressure balances throughout purification. The challenge of hydrogen cyanide co-production, especially its safe capture and reprocessing, remains a major focus for safety and environmental teams. Recent investment in real-time monitoring technologies, along with adaptive process control software, has improved early detection of off-spec drifts and allowed more rapid containment actions.
Over the next five years, AN demand trends upward on the back of sustained global growth in ABS and carbon fiber applications, though some regional plateauing is evident in acrylic fiber demand due to textile market shifts. Petrochemical pricing volatility, coupled with regulatory trends in emissions management, will continue to influence overall capacity planning. Producers anticipate incremental capacity expansions and some debottlenecking projects, particularly in integrated refinery complexes, as end-user contract requirements firm up.
Pilot studies continue to test alternative feedstock integration, using bio-based propylene or ammonia as partial replacements, driven by environmental reporting pressures and cost hedging strategies. Shifts towards closed-loop water management and on-site emission abatement are becoming standard in new plant projects. In-line analytics are now considered essential for grade segregation and order-specific blending, reducing material loss and rework.
Process improvements focus on reducing purge losses and flare volumes, with select facilities already capturing process vapors for energy recovery. Carbon footprint assessments are integrated into internal audits, guiding batch tracking and supporting downstream sustainable product certifications. The push for higher-purity product grades, especially for electronics and medical precursors, correlates with a reduction in trace metal and organic impurity content. Major customers increasingly request supply chain documentation proving responsible sourcing and minimized environmental impact, which production teams address via QR-coded lot tracking and emissions disclosure reports issued at order fulfillment.
Our technical service division responds directly to application-specific requests, assisting users with grade selection based on polymer properties, volatility requirements, or downstream reactivity. Teams advise on safe handling setup, minimizing exposure incidents and stabilizer degradation during storage or transfer. Formulation specialists evaluate customer manufacturing conditions and recommend process adjustments if off-odors, color drift, or polymerization issues occur during AN handling.
Production engineers and R&D chemists work jointly with select customers during process integration phases, ensuring that supplied AN grades meet consistency requirements for continuous casting or batch polymerization. On-site troubleshooting includes purity diagnostics and byproduct analysis if customer processes see unexplained viscosity shifts, conversion drops, or end-product haze. Guidance extends to tank farm configuration and transfer line systems, incorporating filtration, inerting, and temperature control measures based on regional climate and delivery frequency.
Quality assurance relies on batch tracing, rapid feedback systems for field complaints, and root cause analysis involving both lab and production teams. Replacement protocols activate immediately if delivered product fails to match agreed internal release standards, as confirmed by retained sample and customer report crosscheck. Technical bulletins are issued for process or raw material changes, and product stewardship teams update customers about evolving regulatory or safety data as part of compliance management. Post-delivery, application engineers remain accessible for process troubleshooting, formulation updating, and ongoing performance tracking in customer production.
We manufacture acrylonitrile at industrial scale through catalytic ammoxidation of propylene. Our process runs on a continuous, tightly monitored system with each stage designed to deliver steady output and strict composition. A stable supply chain for raw materials lets us maintain uninterrupted production, which matters for downstream processors working with exacting schedules.
Acrylonitrile is a vital intermediate for polymer and chemical producers. Its main use lies in the synthesis of acrylonitrile-butadiene-styrene (ABS) resins, nitrile rubber (NBR), and acrylic fibers. ABS delivers mechanical strength and heat resistance needed in electronics housings, automotive components, and consumer goods. NBR addresses elastomer demands in seals, hoses, and other industrial rubber parts. Producers of acrylic fiber convert acrylonitrile into yarn for textiles and nonwoven products.
Downstream uses also include specialty chemicals: acrylamide, adiponitrile, and carbon fiber precursors depend on steady quality in each shipment. Tight variance in monomer content removes risk in continuous polymerization lines and batch reactors.
Every train in our plant operates under automated feedback controls for temperature, pressure, and reactant ratios. Inline monitoring and regular sample checks at QC labs maintain a product that meets, not just industry baselines, but the tight tolerances set by multi-national manufacturers. Each batch receives thorough characterization before packaging. This level of control not only supports customer process yields but also limits off-grade and line disruptions at conversion sites.
Acrylonitrile leaves our facility in dedicated ISO tank containers and custom-sealed drums, compliant with transport and storage regulations. We manage onsite logistics, load samples for each shipment, and equip our logistics team to handle both regular lanes and project-based bulk deliveries at scale. Our packaging minimizes handling steps for downstream plants, improving both safety and efficiency at the receiving end.
Our technical groups work with converter process engineers to optimize dosage, storage, and handling of acrylonitrile. We provide ongoing guidance on batch changes or plant configuration shifts, using field data and lab analytics from our own operations. By sharing troubleshooting insights and performance benchmarks, we help industrial buyers keep their lines productive and compliant.
Buyers measure value not just by price on paper, but by the delivered quality, supply integrity, and support that a stable producer offers. Our in-house production controls and established packaging systems cut interruptions to a minimum. Industrial users and distribution partners rely on this certainty when planning capacity, managing costs, and meeting delivery dates for their own customers. Integrating acrylonitrile from a direct manufacturer supports uninterrupted output and simplifies procurement for operations managers, logistics teams, and supply chain leaders alike.
As the producing factory, our motivation centers on reliably supporting industrial partners, anticipating challenges in logistics, and responding quickly to technical questions. Our goal remains clear: manufacture acrylonitrile to specifications, deliver securely, and underpin the business continuity of those who depend on us as a direct link in their production chain.
Acrylonitrile sits at the heart of many industrial polymers, especially acrylic fibers and ABS plastics. Every production run in our facility is designed to maintain high purity, but a few trace impurities remain common, tracing back to upstream feedstocks or process conditions. Recognizing and controlling these impurities means you get reliable results batch after batch.
The three classic impurities in any acrylonitrile production—whether through propylene ammoxidation or other methods—are acetonitrile, hydrogen cyanide, and water. Acetonitrile and hydrogen cyanide remain tough to purge entirely, given their close boiling points and chemical similarities. Besides these, small amounts of aldehydes, acetone, and sulfur-containing byproducts show up depending on catalyst condition and process stability. Each of these brings its own headache during polymerization.
From decades of production experience, we know a fraction of hydrogen cyanide impacts catalyst activity during emulsion or bulk polymerizations. Even sub-100ppm levels delay the onset or reduce the completeness of conversion, leading to low-molecular-weight material or broader distribution. In copolymer systems, these effects accelerate as minor impurities react with initiators, reducing overall process efficiency.
Acetonitrile, though less reactive than acrylonitrile, dilutes the monomer and slows down propagation rates, particularly in anionic or solution systems. High water content causes its own type of trouble. For fiber-grade and ABS production, water over 0.1% promotes side reactions and leads to polymer discoloration. Hydrolysis or oxidation can also generate acidic byproducts, promoting corrosion in reactors.
Sulfur compounds and aldehydes show up more rarely but present a red flag for specialty polymer grades. Sulfur inhibits catalyst systems in Ziegler-Natta or other transition-metal-initiated reactions. Aldehydes introduce unexpected chain transfer, lowering the average polymer length and causing unpredictable mechanical performance in finished plastics. Acetone, usually present in negligible amounts, affects the volatility profile and can foam up processes not designed for it.
Our process engineering team invests a lot of time tightening reactor control, solid catalyst management, and distillation, all tuned to the target impurity profile. We employ staged purification and continual online monitoring for both major and trace contaminants. Every production lot undergoes gas chromatography, focusing not just on acrylonitrile purity but also on byproducts below the regulatory thresholds known to affect end-use. When impurity profiles drift, our team investigates upstream raw material changes or reactor catalyst life—actionable intelligence rather than troubleshooting after the fact.
For customers requiring tighter specs, especially for fiber or medical-grade applications, we run additional fractionation and apply deoxygenation or water scavenging to collapse those impurity levels even further. We can provide detailed specs for all impurity thresholds upon request. These methods mean polymerization performance in your downstream processes remains within a narrow, predictable range.
Every investment in impurity control at the manufacturing plant saves time downstream, whether you are running suspension, emulsion, or continuous polymerization. We keep pushing for higher purity to unlock new performance in acrylic and ABS markets. In our view, tighter impurity control does not only minimize off-grade polymer; it also trims shutdowns, energy use, and waste in the customer’s process. That runs to the core of our operation: chemical manufacturing matched to real-world polymerization performance.
From our production facility, Acrylonitrile leaves the plant in bulk truckloads or ISO tanks. Our standard minimum order quantity is set at one full ISO tank or a bulk road tanker, which translates to approximately 20 metric tons. This level stems directly from operational realities: loading, logistics, and site safety protocols all come into play. Smaller volumes pose challenges for both product integrity and safe handling. We have structured our shipping, storage, and documentation processes around these quantities to reduce unnecessary risks and keep batch consistency.
Operating at industrial scale involves a careful balance between quantity and safety. Acrylonitrile is a volatile, toxic chemical, not a commodity suited for piecemeal distribution. For each transfer, we coordinate with qualified carriers, calibrate pumps, supervise secure loading, and maintain strict temperature and pressure controls. Packing and transporting volumes below 20 tons introduces more potential for contamination, residue losses, and excess residue in pipelines and hoses. This level aligns with responsible handling and transportation requirements, keeping risks low for the factory, the carrier, and our customers.
The larger the batch moving through our process and supply chain, the more efficient every step becomes. When a customer books multiple tanks or arranges regular shipments, our production schedule runs with higher predictability, leading to less downtime and reduced changeover losses. We pass these savings on, which means bulk procurement unlocks substantial discounts. Our margin structure mirrors actual input costs—raw materials, utilities, labor, and maintenance—so higher volumes translate directly to sharper pricing.
Reaping the benefits of scale does more than improve economics. Reliable, scheduled orders allow us to optimize manpower allocation and minimize excess inventory. On the customer’s side, a commitment to regular bulk procurement supports forecasting, reduces exposure to price volatility, and can simplify regulatory documentation.
Bulk orders mean our technical team can be there to provide full guidance. Whether it's adapting offloading procedures, fine-tuning supply logistics, or overseeing the documentation required for compliance, we support at every step. Customers tapping into large-volume pricing get direct access to specialized shipping arrangements, best-in-class safety practices, and the latest industry knowledge from the team running the reactors and logistics terminals themselves.
We recognize Acrylonitrile’s pivotal role in manufacturing ABS resins, acrylamide polymers, and synthetic fibers. That responsibility shapes how we approach each order. Bulk procurement isn’t just about straightforward price breaks: it’s about fostering stability and reducing risk throughout the chain—starting on our line, ending with a safe, consistent product delivered to your site. As the factory producing this material, we keep a close eye on every batch and every delivery. Our focus is squarely on the long-term health of your operation and ours.
Producing acrylonitrile at scale means meeting a high bar for packaging integrity and regulatory compliance. Shipping this material across borders introduces a strict layer of rules—not just from governments but through the standards set by leading chemical industry partners. Our position as a direct manufacturer means every shipment of acrylonitrile shipped from our production facility leaves only after passing our in-house safety verification and global standards checks.
Acrylonitrile is both hazardous and highly flammable. For decades, we have shipped bulk liquid acrylonitrile in carbon steel or stainless-steel ISO tank containers fitted with secure pressure relief systems. Our tank containers are tested rigorously for corrosion, pressure endurance, and seal integrity before each use. Any liner or gasket exposed to the chemical must resist polymerization and avoid contamination.
International rules, including United Nations (UN) recommendations and the International Maritime Dangerous Goods (IMDG) Code, dictate the construction standards for our packaging. Our drums, if required for certain markets, conform to UN-rated measures and include leakproof closures and pressure-venting devices. Refilling protocols are enforced to minimize risk of cross-contamination between runs.
Every route and mode of transport comes with a unique set of obligations. Our logistics team secures transport documentation under the latest version of IMDG, ADR (European road transport regulations), and US DOT (when moving to or through North America). We affix clear, compliant hazard labels, including the UN number for acrylonitrile—1093—on all containers and shipping documents.
Rail shipments under the RID system in Europe and other overland routes are subject to inspection. We engage with global port authorities and customs in advance to minimize delays and ensure system recognition for all documentation and packaging types we use. Temperature controls and product monitoring help us prevent polymerization during extended transport or storage, especially across warmer regions.
Our on-site inspectors and third-party auditors regularly review each step, from tank cleaning to loading. For sea transport, we use tanks built to minimize risk in the event of an accident. Pressure-relief valves and continuous monitoring equipment form standard protocol, as each deviation or abnormality could mean the difference between safe arrival and a costly incident.
Every operator handling our tanks completes safety training that covers handling acrylonitrile and managing any emergency scenarios during transfer, movement, or accident response. Direct shipment tracking provides real-time information to both our internal teams and our customers. By staying hands-on throughout the logistics chain, we address regulatory alerts, adapt swiftly to changing compliance climates, and continuously improve transport risk assessments.
International shipping requirements evolve constantly. We invest in staying ahead—both in our packaging validation and our regulatory intelligence. Our shipments come with documentation and technical details that match what authorities expect worldwide. No matter how stringent a country’s rules become, our commitment to safety and quality stands at the core of our manufacturing and export operations. As direct producers, our reputation—and the safety of those who handle our product—drives every decision behind the packaging and logistics of our acrylonitrile.
For product inquiries, sample requests, quotations or after-sales support, please feel free to contact me directly via sales3@ascent-chem.com, +8615365186327 or WhatsApp: +8615365186327
