| Names | |
|---|---|
| Preferred IUPAC name | Propenenitrile |
| Other names | Vinyl cyanide Propenenitrile Cyanoethylene |
| Pronunciation | /ˌæk.rɪ.ləˈnaɪ.trɪl/ |
| Identifiers | |
| CAS Number | 107-13-1 |
| Beilstein Reference | 1460263 |
| ChEBI | CHEBI:40584 |
| ChEMBL | CHEMBL14238 |
| ChemSpider | 5766 |
| DrugBank | DB11370 |
| ECHA InfoCard | 03d6468f-2b41-4434-8da5-498d52f67be0 |
| EC Number | 200-835-2 |
| Gmelin Reference | 676 |
| KEGG | C01342 |
| MeSH | D001019 |
| PubChem CID | 7855 |
| RTECS number | AT9600000 |
| UNII | JZM1GL6ZIG |
| 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 | 7.45 g/100 mL (25 °C) |
| log P | 0.25 |
| Vapor pressure | 5.1 kPa (20 °C) |
| Acidity (pKa) | pKa = 11.0 |
| Basicity (pKb) | –1.17 |
| Magnetic susceptibility (χ) | -9.20 × 10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.391 |
| Viscosity | 0.34 mPa·s (at 25°C) |
| Dipole moment | 4.09 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 227.8 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | ΔfH⦵298 = 71.1 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -1840.1 kJ/mol |
| Pharmacology | |
| ATC code | V19DA01 |
| Hazards | |
| GHS labelling | GHS02, GHS06, GHS07, GHS08 |
| Pictograms | GHS02,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H225, H301, H311, H315, H319, H332, H335, H341, H351, H373, H400 |
| Precautionary statements | P210, P261, P264, P271, P273, P280, P301+P310, P303+P361+P353, P304+P340, P305+P351+P338, P308+P311, P333+P313, P337+P313, P362+P364, P370+P378, P403+P233, P403+P235, P405, P501 |
| NFPA 704 (fire diamond) | 3-4-2-SPECIAL |
| Flash point | 2 °C (closed cup) |
| Autoignition temperature | 481°C |
| Explosive limits | 3% - 17% |
| Lethal dose or concentration | LD50 oral rat 78 mg/kg |
| LD50 (median dose) | LD50 (rat, oral): 78 mg/kg |
| NIOSH | NIOSH REL: Ca TWA 1 ppm (2 mg/m³) |
| PEL (Permissible) | 2 ppm |
| REL (Recommended) | 1 ppm |
| IDLH (Immediate danger) | 85 ppm |
| Related compounds | |
| Related compounds | Acryloyl chloride Acrylamide Acrylic acid Methyl acrylate |
| Attribute | Description |
|---|---|
| Product Name | Acrylonitrile |
| IUPAC Name | Propenenitrile |
| Chemical Formula | C3H3N |
| CAS Number | 107-13-1 |
| Synonyms & Trade Names | 2-Propenenitrile, Vinyl cyanide, AN |
| HS Code & Customs Classification | 29261000 (Acrylonitrile and its derivatives as classified by WCO Harmonized System) |
Monitoring product identity remains fundamental for downstream users and customs authorities alike. From a manufacturing perspective, the correct assignment of IUPAC name, synonyms, and HS code becomes critical during freight clearance, compliance declarations, and cross-regional handling — particularly for products like acrylonitrile whose use and movement are under regulatory scrutiny due to health and transport safety considerations.
Acrylonitrile’s CAS number (107-13-1) is used globally for regulatory inventory systems, shipping documentation, and supply chain visibility. Mislabeling leads to immediate shipment holds or regulatory penalties. Our technical and production teams input these identifiers directly into batch cards and transportation manifests, ensuring traceability from raw material receipt through every delivery. For customers seeking product verification at receipt, matching all identifiers from paperwork to drum/barrel/IBC labeling speeds up warehouse intake and simplifies audit procedures.
HS Code assignment (29261000) often faces review during cross-border operations, especially since various countries may apply additional import requirements due to acrylonitrile’s status as a chemical precursor and hazardous material. The selection of trade names, whether “2-Propenenitrile” or “Vinyl cyanide,” reflects local market practice and customer familiarity, while internally, we standardize nomenclature to maintain batch documentation accuracy and ensure that shelf and process samples are allocated to the right analytical regimes.
Our internal system flags discrepancies or nonconformities at the point of release, so only product lots meeting exact match to product name, CAS, trade synonyms, and customs code are cleared for shipment. Batch consistency in documentation supports ongoing regulatory audits and offers customers seamless integration of supply records for their own compliance purposes.
Acrylonitrile is handled in industry as a clear to slightly yellow liquid. Volatility remains high at ambient conditions, producing a sharp, somewhat onion-like odor. Color impurity may indicate trace polymer or oxidation, which QA isolates during quality checks. Product grade affects clarity, as higher purity for polymerization often demands stricter appearance controls.
Acrylonitrile freezes below room temperature and boils well below water’s boiling point. Handling in most plants uses jacketed lines to maintain liquid phase during colder months. Melting and boiling properties do not shift significantly between grades, though stabilized product for storage may show altered behavior owing to inhibitor content.
Low flash point defines strict ignition hazard; plant design incorporates explosion-proof equipment. Density is tracked by grade and influences process metering and blending recipes. For downstream polymer plants, even minor deviations in density can suggest water or solvent contamination.
Polymerization risk dominates operational planning. Stabilizers such as phenolic inhibitors are dosed depending on grade and storage duration. Uninhibited acrylonitrile can polymerize on standing or in presence of basic/acidic contaminants, quickly clogging lines or damaging vessels. QA releases each batch only if inhibitor content is within the defined range; this varies for bulk, monomer supply, or lab applications.
Acrylonitrile dissolves in water with moderate miscibility and behaves as a polar aprotic monomer. Handling in plant utilities considers associated traces in aqueous phase as a loss point. Blends for customer formulations, such as copolymer resin feedstocks, depend on careful adjustment of solution rheology tied to CN purity.
Specifications target different industries—fiber, resin, or specialty intermediates—setting cutoffs for water content, color, acidity, and total solids. Typical values are defined by customer and regional standards, with QC retaining grade-by-grade release records for both internal and export markets.
Routine analysis flags any rise in aldehydes, peroxides, or chlorinated by-products. Sources of residual acetone, acetonitrile, or water have upstream route-dependency, and batch documentation ties impurity spikes to named equipment cleanouts or process deviations. Final impurity acceptance aligns to customer-specific agreements or external import registration.
Process lab applies gas chromatography, titrimetric water analysis, and colorimetric inhibitor assays, using a mix of internal SOPs and major recognized test standards. Method selection hinges on product grade and distribution channel, especially for electronic, fiber, or industrial resin use.
Propylene and ammonia, along with air, anchor all established manufacturing lines. Sources favor industrial propylene grades after sulfur and heavy metal removal, since contaminants catalyze fouling or off-grade side reactions. Ammonia is purchased anhydrous, with drying and pre-purification upstream of reactors. Regional market swings may dictate alternate sourcing, but most output lines remain integrated with local crackers or refinery supplies.
Most plants operate the Sohio process—vapor-phase ammoxidation using bismuth-molybdate catalysts. The process creates by-product hydrogen cyanide and acrylamide; yield and selectivity require careful control of air-to-feed ratio and catalyst age. Other less common routes demand alternate purification but trade off on capital and catalyst costs.
Temperature and residence time set reaction selectivity. High exothermicity calls for fast-acting reactor control and reliable emergency venting. Downstream, azeotropic and distillation systems separate acrylonitrile from water and light organics, with polymeric residues removed by filtration or chemical quench. Inhibitor dosing points installed before final storage minimize risk during transfer.
Batch release criteria anchor on product assay, inhibitor content, color, and controlled impurity spectra. Historic trending tracks batch deviations, and robust documentation supports any grade reclassification. Customer complaints or offsite incidents feed into internal review and corrective cycles.
Acrylonitrile enters addition polymerization, free-radical copolymerization and nucleophilic substitution. Industry runs copolymerization under oxygen-excluded, temperature-controlled environments, with initiator and stabilizer levels supporting downstream stability.
Catalysts for copolymerization or addition vary with end-use: advanced resins, ABS, SAN, or high-nitrogen intermediates. Solvent choice—water, polar aprotic, or suspension system—derives from target property control and downstream separation ease. Temperature set points fix polymer structure and residual monomer content.
Typical derivatives include acrylamide, nitrile rubbers, fibers, and ABS plastics. By-products such as hydrogen cyanide and acetonitrile require on-site handling, proper venting, or sale to secondary processors depending on contract and plant size.
Acrylonitrile is kept in dark, low-humidity, inert-gas blanketed tanks. Material handling teams track ambient temperature: product above defined inhibitor level receives extended storage clearance, while low-inhibited batches rotate on short-notice shipment. Routine tank sampling records color and total solids as degradation signals. Exposure to sunlight or heat rapidly increases polymerization risk—insulated, UV-opaque tanks serve as the standard.
Mild steel with dedicated polymer-resistant linings forms the main storage material. Polymer transport lines specify Teflon or stainless connections. Valves and gaskets must withstand acrylonitrile without swelling or leaching stabilizer or color bodies.
Shelf life’s upper bound is defined by appearance, inhibitor content, and polymerization onset; early precipitation, color shift, or viscous haze signals off-grade product. Retention samples are compared month to month, with off-spec isolated for return or repurposing.
Acrylonitrile receives stringent hazard classification as an acute toxicant, skin and respiratory irritant, and suspected carcinogen, per global hazard pictograms. Labels on drums and shipping tanks must match latest regulatory guidance for transit routes and markets.
Operators review spill response, personal protection, and leak detection before each campaign. Facility procedures enforce respiratory and flame-resistant PPE on all lines, and automated shutdowns trip in response to vapor detector input.
Mammalian toxicity data underscores the importance of strict vapor control in bulk storage and transfer. QA audits track any acute exposure cases and mandate process modifications after incidents.
Specific exposure limits comply with national worker safety codes—operators use continuous monitoring and direct-reading dosimeters. All drum and bulk offloading employs remote, closed-loop vapor recovery systems. QA and production personnel monitor onsite air and effluent for trace emission controls, linking findings to both plant environment and operator health reporting.
Acrylonitrile production capacity reflects ongoing investments in propane ammoxidation technology and is closely tied to access to propylene feedstock, ammonia supply, and hydrogen cyanide by-product handling. In-house capacity allocation responds directly to downstream demand in ABS resin, acrylic fiber, and nitrile rubber applications. Planned maintenance periods and output adjustments for margin stabilization drive monthly and quarterly supply fluctuation; customers should communicate forecast adjustments early to align plant scheduling. Operating rates are determined by prevailing market demand and regional inventory positions. Short-term shortages often stem from upstream cracker outages or transportation disruptions affecting propylene or ammonia.
Lead time for AN bulk delivery depends on plant loading and customer destination. Typical fulfillment in core regions takes several business days, but urgent shipment requests require production reallocation and can only be met if logistics and regulatory transit documents permit. Our MOQ policy differentiate between domestic and export contracts; standard export MOQ reflects loading and shipping efficiency requirements for ISO tanks or bulk shipping containers. Lower thresholds may apply for regular contract clients under annual supply agreements; spot orders may face restriction during market tightness.
AN is primarily distributed in bulk ISO tanks, pressurized rail cars, or tailored multi-layer steel drums, depending on region and regulatory safety cases. Drum packaging targets small- and mid-volume customers with more stringent purity and traceability specifications, impacting residual monomer content and required stabilizer addition at filling. Packaging form selection directly influences filling/emptying cycle, storage safety, and shipment loss risk. Packaging upgrades for high-purity applications may involve dedicated cleaning protocols and validation to ISO or other export-market criteria.
Shipping terms reflect risk allocation, insurance requirements, and country-of-destination import regulations for dangerous goods. For acrylonitrile, standard Incoterms include FOB, CFR, and DDP, with freight rates updated monthly per bunker surcharge changes and seasonal route risk. Payment terms range between LC 30-90 days for established clients, but export markets often require pre-shipment deposit to manage currency risk. Force majeure, embargo, and pipeline/port disruption clauses have increased importance in recent contracts due to geopolitical instability in feedstock regions.
Acrylonitrile cost structure tracks international propylene markets (about half the direct cost) and ammonia spot prices, with additional sensitivity to utilities (steam, electricity) and hydrogen cyanide valorization. Feedstock price movements, especially in oil-derived propylene, dictate week-to-week offer adjustments. Unexpected plant turnarounds, cracker incidents, or shipping route interruptions frequently drive volatility. Margin compression during surplus periods leads to more aggressive export pricing, while supply tightness prompts contract re-negotiations.
On-site technical segregation of industrial grade, chemical processing grade, and electronics-grade AN creates tiered pricing, as each carries different impurity targets, inhibitor dosage, and filling protocols. Higher-purity streams require specialized distillation and stabilized filling environments, increasing overhead. Certification for food-contact, REACH, and similar regulatory boundaries requires validated record-keeping and full traceability throughout the batch chain of custody, contributing further price premium. Customers specifying non-standard packaging or grade-specific certification should anticipate additional per-metric-ton surcharges reflective of actual compliance and QA/QC resource allocation.
Grade-dependent price gaps arise from required downstream application performance. For example, ABS resin and acrylic fiber plants often request tighter acid, moisture, and aldehyde specifications than general industrial customers. Commodity packaging formats price slightly lower but contain higher shipping-related loss risk; certified packing for clean-room or regulated export increases both logistics and paperwork costs.
AN demand historically tracks ABS, SAN, acrylic fiber, and nitrile rubber production rates, with Asia-Pacific (especially China) as the demand driver and North America/Europe as major exporters. Temporary surplus conditions develop following delayed capacity startups or underestimation of regional demand swings. Major capacity additions and project delays in the US and China impact global flows and arbitrage windows. Japanese producers focus on high-purity, specialty grades for electronics; Indian consumption rises in response to growing automobile and synthetic fiber industries.
United States: Capacity rationalization and steady shale-based propylene feedstock economics keep North American offers competitive. Disruptions in Gulf Coast logistics or weather-related slowdowns drive spot price surges, which resolve quickly as plants ramp back up.
Europe: Operators balance local demand with environmental compliance costs; periodic supply restrictions result from extended refinery maintenance tied to emission targets.
Japan: Focus remains on stable specialty supply rather than volume; technology-driven process improvements counteract salary and energy overheads.
India: Rapid ramp-up in downstream processing triggers frequent swings in contract and spot prices, especially during local monsoon logistics impacts.
China: Largest import market and site of most recent grassroots capacity investments; downstream volatility directly drives domestic and re-export pricing. Domestic pricing is more sensitive to currency moves and anti-dumping investigations.
Current modeling points to steady medium-term price stabilization for acrylonitrile, contingent on new Asian capacity ramping up as expected and no further escalation in raw material market disruptions. Major risks include unplanned outages, regulatory-driven feedstock changes, and persistent logistics congestion on export lanes. Demand-side scenarios suggest flat-to-slight growth in Asia and India, balanced by post-pandemic plateauing in Europe and North America. Secondary price peaks could arise if energy or utility price volatility returns.
Forecasts rely on a blend of internal contract monitoring, third-party chemical market analytics (ICIS, Tecnon/OrbiChem, ChemOrbis), and public governmental trade data. Volume flows and conversion margins are cross-checked with downstream partner utilization rates and external consultant forecast models to verify plausibility.
Shutdown announcements for less cost-competitive legacy plants in Western Europe have tightened local supply in Q2. New capacity confirmation in China for propane-based production will modify the traditional propylene-ammonia balance and is likely to impact spot pricing short-to-medium term. Increased integration between propylene crackers and AN lines is improving margin optimization.
REACH amendments and Asia-Pacific safety protocol revamps have shifted product labeling, documentation, and monitoring scope. Updated limits for trace impurities and labeling requirements in the EU and select Asian countries increased compliance costs and document turnaround times for export shipments. Changes to workplace exposure limits, particularly in Japan and the EU, have required additional investment in in-plant monitoring and shipment certification.
Our process team tracks up- and downstream process shifts, deploys rapid-cycle root-cause analysis for quality deviations, and maintains extra stabilization reserves for long-haul shipments. Internal QA/QC adapts to evolving regulatory acceptance criteria, and cross-functional traceability improvement projects reduce approval cycle times for audited customers. In facing energy price surges, operational flexibility in feedstock sourcing and plant scheduling allows risk-balancing across domestic and export units.
Acrylonitrile manufacturing serves as the foundation for key intermediates in synthetic fibers, plastics, elastomers, and specialty chemicals. Industrial-scale users include producers of ABS and SAN resins, acrylic fibers, adiponitrile, nitrile rubber, and various specialty monomers. Each field depends on specific grade selection, dictated by impurity profile, inhibitor content, and performance targets for downstream conversions.
| Application | Typical AN Grade(s) | Key Considerations |
|---|---|---|
| ABS/SAN Resin Polymerization | Polymer Grade, Low-Inhibitor Grade | Low peroxide and aldehyde; controlled water content; strict trace metal limits |
| Acrylic Fiber Spinning | Fiber Grade | Low residual monomers; minimized sulfur and phosphorus compounds; controlled inhibitor dosing |
| Nitrile Rubber (NBR) Production | General-Purpose Grade | Consistent purity; balanced inhibitor level; avoidance of coloring impurities |
| Adiponitrile Synthesis (Chemical Intermediate) | Chemical Grade | Stringent acetone, acetonitrile, and aldehyde control; batch-to-batch reproducibility |
| Specialty Monomer Synthesis | Custom/High-Purity Grade | Specification set per customer process and regulatory needs |
Purity, major and trace impurities, inhibitor type and level, and water content shape downstream performance and compliance. For example, higher-activity polymerization routes demand the lowest aldehyde and peroxide levels, due to their pronounced effect on polymer color and molecular weight distribution. Fiber applications require fine-tuned inhibitor levels to prevent premature polymerization, as well as minimized sulfur/phosphorus since these degrade spinning quality and fiber whiteness. NBR and commodity resin uses tolerate broader impurity windows, provided lot uniformity and absence of color bodies remain in control.
Accurate end-use definition informs grade selection. ABS and SAN resin makers prioritize polymer-grade material, while fiber spinning plants target fiber-grade for defect-free spinning and minimal off-odor. Chemical synthesis (e.g., adiponitrile) often prompts custom specification, especially in regions with tighter regulatory frameworks.
Regional and customer-specific requirements differ markedly, particularly with respect to REACH, TSCA, or specific downstream use approvals. Identifying relevant exposure limits, prohibitions (e.g., residual acrylonitrile in final polymer), and customer certification protocols ensures regulatory alignment from the start rather than post hoc adjustments.
Setting minimum and critical tolerance for major (e.g., water, acetonitrile, acetone), and trace impurities (e.g., heavy metals, halides) is central. Fiber and specialty grades call for tighter impurity controls compared to general-purpose grades. Many polymer applications specify allowable color values and require certification by batch.
High-volume customers often request custom bulk handling arrangements and can support multi-shipment qualification runs. Lower-volume, specialty users may prioritize custom purification or batch tagging, accepting a higher per-unit cost for additional in-process checks or specialty inhibitor systems.
Final validation depends on in-house process testing. Customers commonly run pilot productions or lab-scale polymerizations with candidate lots to verify performance. Manufacturers support this by supplying detailed certificates of analysis and batch history, aligned to the requested technical and regulatory profile. Feedback from these trials shapes final supply specifications and quality agreements.
Raw material origin, petrochemical route, and purification method all impact typical impurity profiles and batch-to-batch consistency. Process control focuses on minimization of by-product formation (e.g., acetonitrile, impurities from feedstocks or catalysts), maintaining tight distillation and reactor parameter windows. Inhibitor (commonly MEHQ or equivalent) is added on-line, with dosing adjusted to shipping time and downstream application sensitivity.
Impurity management requires real-time and batch-end analytical checks; QC labs track critical volatiles, residual precursors, and any sign of off-spec color or odor. Release standards always reflect both internal manufacturer policy and customer contract, with in-process adjustments made based on trend analysis from quality data. For applications where trace metals or halides threaten final product performance, technical support teams adjust purification train accordingly.
Our acrylonitrile facilities maintain production controls anchored in established quality management protocols. Across all sites, ISO9001 certification validates documented management system performance, corrective action response, supplier qualification, and batch traceability. The emphasis at every step: minimizing variations in raw material purity, tightly controlling key reaction stages, and cataloguing accountabilities for audit trail integrity. Each certificate directly links our plant floor practices to reproducible lots, minimizing the risk of off-grade deliveries.
Downstream users—fiber, resin, and specialty chemical customers—require reliable evidence of conformance to regional or industry-specific purity conventions. Typical documentation ranges from REACH compliance statements for European processing, US TSCA status evidence, and food contact acceptability for certain grades. Our technical department manages these files with grade-level granularity, as requirements for emulsion-grade material diverge from bulk monomer for intermediate synthesis. Each product shipment includes authentication of the applicable registration or compliance statement, with updates supplied to reflect the most current regulatory landscape.
Every outgoing lot ships with a certificate of analysis based on our in-process and release-stage laboratory data. The set of reported analytical parameters—main monomer content, water, impurity profile, stabilizer content—varies by both grade and customer end-use field. For critical applications, customers may stipulate specific reporting formats, additional third-party verifications, or retention sample protocols. Our technical service maintains digital archives of historical lots and independent third-party analyses to support both customer audits and regulatory queries. Specialized certifications—such as California Proposition 65 disclosure—are available where regionally requested.
Acrylonitrile manufacturing runs on continuous operation principles. Feedstock and energy continuity are evaluated daily, with production scheduling adapting to both contract and spot requirements. For foundation customers—polyacrylonitrile fiber, ABS resin, and acrylamide manufacturers—our commitment is tiered allocation and reservation of capacity throughout fluctuations in feedstock markets. Our supply team structures quarterly and annual agreements with set minimum take-off volumes; these allow buffer planning and scheduled maintenance windows that do not disrupt contract supply.
Core plant capacity is regularly maintained and debottlenecked to respond to demand cycles. Redundancy in critical equipment (e.g., compressors, distillation columns, nitrile oxidation reactors) and dual-source feedstock procurement allow for contingency planning. In market disruptions or force majeure scenarios, priority is given to long-term partners. Delivery volumes get adjusted according to pre-negotiated escalation plans, and information on projected plant turnarounds is communicated in advance in accordance with operational transparency policies.
Sample provision flows through a structured application process. The technical service team reviews incoming requests by intended application, end-use market, and any specific analytical evaluation criteria. Not all grades are sampled universally—those earmarked for reactive processing or with hazardous transport classification require additional customer prequalification. Each approved sample accompanies a tailored COA, small-batch handling guide, and, upon request, upstream origin and impurity commentary for regulatory compliance. Feedback on initial testing directly informs continued or expanded supply discussions.
Procurement structures balance fixed-volume, indexed, and spot-market arrangements. We permit volume flexibility within the bounds of line scheduling and finished stock inventory. For developmental programs or scaleup trials, batchwise delivery terms involve advanced booking and milestone progress checks so resource allocation matches real downstream consumption without bottlenecking core contract supply. Freight modes (tank, drum, or isotank) and packaging configurations are adjusted to support customer tank farm, decanting, or continuous blending setups, all while legal and loading site constraints are taken into account. Support for technical troubleshooting, on-site audits, and customized lot testing forms part of the flexible cooperation offering, particularly for customers introducing new formulations or compliance requirements into their manufacturing chain.
Research teams have recently focused attention on optimizing the ammoxidation process, targeting higher catalytic efficiency and selectivity for propylene. Raw material cost volatility continues to drive inquiry into alternative feedstocks and catalysts that reduce process severity and byproduct load. Process intensification initiatives pursue improved heat integration and emission controls at plant scale, often with pilot implementations before wider adoption. In the area of waste management, new byproduct separation strategies aim to lower wastewater loading, reduce chemical oxygen demand, and recover more unreacted monomers for reprocessing. Supply chain reliability and trace impurity risk management attract scrutiny, especially where downstream applications involve specialty fibers or plastics sensitive to low-level contaminants.
Beyond traditional use in ABS and SAN plastics and acrylic fibers, the rise in demand from carbon fiber intermediates, adiponitrile synthesis for specialty polyamides, and water treatment components has shifted application priorities. Electrolyte formulations for battery-grade nitriles have brought polymerization control and ultra-pure AN grades into sharper focus. Regulatory shifts and sustainability commitments from automotive, electronics, and medical device sectors have led to new protocol development for migration testing, extractables/leachables, and end-use residue monitoring, especially in applications with direct food or human contact.
Impurity control, especially for trace acrolein and cyanide derivatives, remains a major technical challenge with large-scale production. Ongoing efforts in catalyst life extension confront coking tendencies and micro-contamination, motivating frequent reactor monitoring and robust catalyst regeneration cycles. While most plants monitor process water holdup and recycle streams for nitrite/nitrate build-up, advanced digital monitoring platforms (using on-line GC and FTIR) have improved batch-to-batch traceability. Advances in continuous process analytics have started to reduce off-spec loads and improve overall plant yield stability in the past several years.
Capacity expansions in East Asia and North America are expected to shift global production and spot-market opportunities. Demand signals from lightweight polymer composites and EV battery intermediates currently outpace new supply, suggesting persistent tension on high-purity AN grades for at least the next cycle. Short-term margin pressure from upstream propylene price swings remains, but evolving feedstock strategies (including bio-based) may partially buffer cost volatility at scale. New environmental controls on volatile organic compounds (VOC) and emissions legislation in multiple regions will influence both capital investment cycles and preferred technology routes.
Integrated site concepts coupling AN with downstream monomer or polymer units see growing traction. These reduce transfer losses, tighten impurity control, and shrink process footprints at cluster sites. Membrane separation technologies, under active development, promise to lower the energy intensity of final purification. Interest in non-aqueous recovery systems and solvent alternatives reflects both cost-control and environmental drivers. Integration of AI-based predictive maintenance into plant operations accelerates troubleshooting, enabling faster deviation recovery and reduced unplanned downtime.
Green process innovations target both raw materials and emissions. Evaluations of bio-based glycerol as an alternative to petrochemical feedstocks continue, but challenges with scale-up and product consistency limit rapid substitution for now. Ongoing effluent reduction relies on more efficient process water recirculation and lower emission catalyst beds. Customers in regulated markets increasingly require chain-of-custody documentation and traceability throughout the supply chain, especially when final goods must comply with strict regional import regulations. Efforts to implement lifecycle analysis at the plant level guide process improvement priorities, focusing on opportunities for waste-to-energy integration, byproduct valorization, and more aggressive VOC abatement technologies.
Process engineers and application technicians directly engage with clients to diagnose fit-for-use queries, covering polymerization reactivity, impurity profiles, and potential incompatibility with sensitive downstream additives. Recommendations for grade selection, blending strategies, and filtration requirements draw from both internal test data and field feedback from high-throughput processors. Batch-specific data and quality documentation are available for customer qualification and regulatory filing as needed. Inquiries concerning compatibility with legacy process equipment or alternative feed systems trigger plant-to-plant consultation, especially when retrofitting or transitioning between AN grades from different suppliers.
Customers integrating AN into complex formulations or advanced polymer systems discuss process window mapping with technical support to avoid runaway reactions, manage heat balance, or minimize batch variability. Extensive dialogue takes place when shifting from conventional to high-purity or low-residue grades, especially where in-line sensors or automated dosing systems must be recalibrated. Cross-checks of impurity fingerprints, residual acrylate content, and trace metals are done both at dispatch and during application troubleshooting, especially for medical, electronic, or high-performance composite sectors.
Commitment to post-shipment technical service runs through regular performance reviews of delivered batches, rapid-response teams for incident management, and on-site presence when large-volume transitions or supply interruptions occur. Feedback channels between customer and the manufacturer’s quality assurance unit close the loop for corrective actions or specification refinements, ensuring that downstream manufacturing runs align with the original requirements. Documented deviation management procedures allow for structured non-conformance investigation and root cause review. Ongoing engagement with key accounts includes participation in their process optimization trials, transparency on any raw material source changes, and advance notice of any planned shifts in grade or process route.
Direct control over acrylonitrile manufacturing stems from continuous operation of integrated plants. Our process starts with propylene, ammonia, and air, using expertly tuned catalytic routes and monitored parameters to achieve precise chemical conversion. Each batch reflects strict adherence to targeted purity and composition, which keeps impurity levels in line with industrial benchmarks. This level of control does not shift with seasonal demand or raw material market changes. It is possible because our operation manages every variable, from reactor conditions to distillation and purification.
Consistent acrylonitrile output feeds major segments. Synthetic fiber lines, including acrylic yarn and filament producers, run high-throughput polymerization without feed interruptions or chemical inconsistencies. ABS resin manufacturers benefit from narrow, repeatable AN specifications that support batch-to-batch reproducibility in injection molding, automotive, and consumer goods. Nitrile rubber production relies on pure monomer to keep end properties for gloves, hoses, engine seals, and medical components within engineering tolerances. Surfactant and specialty chemical makers stay within defined formulation limits, supported by consistent chemical supply.
In-plant analytics anchor our quality system. Every acrylonitrile shipment is cleared only after meeting specification checks for purity, stabilized inhibitor content, color, water level, and trace elements. Automated instrumentation and round-the-clock lab verification catch deviations before release. Real-time feedback loops in the process line enable immediate correction, reducing the risk of off-spec deliveries to near zero. This structure minimizes downtime for downstream users and keeps manufacturing lines in compliance with regulatory and internal quality targets. Our direct involvement in process troubleshooting prevents quality drift, even across large-volume campaigns.
Bulk logistics depend on stabilized packing suited for monomer transport. Dedicated, inhibitor-treated ISO tanks handle high-volume international deliveries. Pressurized rail tank cars and custom road tankers serve domestic and cross-border industrial users. Every package, from bulk to drum-size, is filled and sealed under strict vapor containment and contamination controls. Chain-of-custody protocols and shipment traceability apply to each load, not just selected containers, supporting procurement visibility and regulatory compliance.
We staff a technical support team built of plant engineers and polymerization specialists, not offsite agents. Response to end-user technical requests pulls from direct process experience and archived real-case data. Support includes troubleshooting for continuous polymer lines, inhibitor management for bulk inventory users, and safety guidance for handling and conversion units. We keep lines of communication open during both prequalification trials and full-scale commercial runs. This approach closes the gap between raw material supply and plant floor results.
Direct manufacturing gives buyers leverage in both cost and reliability. Pricing reflects actual production costs, unaffected by trading chain markups or sourcing uncertainty. Inventory reserves, made possible by control over manufacturing schedules, help buffer buyers against seasonal and event-based shortages. Close support during the procurement process and after delivery contributes to long-term planning, tighter process controls, and predictable operational costs for industrial manufacturers, authorized distributors, and purchasing departments serving critical industries.
Producing acrylonitrile (AN) at scale over the years revealed a backbone with a unique combination: the vinyl group and the nitrile group. This combination produces strong molecular polarity, which directly adds to the success of acrylonitrile in copolymerization. Take acrylonitrile-butadiene-styrene (ABS) and acrylic fibers as examples—our customers have grown to rely on this chemistry for both strength and processing versatility. The nitrile group gives the final polymer robust resistance to solvents, oils, and aggressive chemicals. Teams at the polymerization reactor line see fewer issues with monomer drift and a reduction in unwanted byproducts, thanks to the predictable reactivity of acrylonitrile. This control lowers waste and increases lot consistency.
Acrylonitrile boils at just over 77°C. In our facilities, controlling distillation conditions guarantees high purity, which in turn gives downstream polymerization fewer impurities to manage. Higher purity in the monomer means higher tensile strength and toughness in the final product—attributes essential in fields like automotive plastics and synthetic fiber spinning. Acrylonitrile itself appears as a clear, mobile liquid, making storage and bulk transfer straightforward when following established procedures. Like many nitrile compounds, AN carries a characteristic odor, so well-designed ventilation remains non-negotiable in our tank farms and filling points.
Experience on the process side consistently shows that acrylonitrile decomposes at elevated temperatures, producing hazardous fumes. Well-maintained instrumentation and rigorous operator training maintain thermal limits and reduce incidents. During regular operation, acrylonitrile’s lower viscosity supports fast transfer and easy handling for continuous-feed polymerization reactors. These physical aspects support high-volume fiber spinning and injection molding, critical for industries scaling up production. Processing windows stay wider since acrylonitrile resists hydrolysis and maintains its structure until purposefully polymerized.
Our clients depend on finished polymers with a balance of flexibility, impact resistance, and weathering properties. Acrylonitrile’s polar nature brings strong interchain forces, boosting the material’s mechanical properties once polymerized. As a result, finished ABS plastics and acrylic fibers stand up to tough handling, frequent flexing, and exposure to sunlight. This outcome stems directly from the features built into the acrylonitrile monomer, refined in-house to strict QA standards.
Bulk shipments from our sites leave under nitrogen blanketing to prevent oxidation and reduce risk during transit. We provide technical guidance for safe handling and efficient incorporation into both batch and continuous polymerization setups. Offering on-site training and personalized guidance, our technical engineers help clients maximize yields and reduce feedstock losses. Competing in global markets means reliability, which comes from deep control of both chemical and physical properties, checked at every stage of our production process.
Years of upgrading reactors and distillation trains have improved the consistency of our acrylonitrile output. Invested automation allows real-time adjustment, keeping our standards high and supporting the downstream needs of the polymer industry. The close link between acrylonitrile’s properties and polymer performance is proven on production lines and in field tests, driving us to refine every batch and support innovation across growing sectors.
Over the years, we have produced and delivered acrylonitrile (AN) to manufacturers across a wide range of industries, from plastics and synthetic fiber to specialty chemicals. Every inquiry about direct factory purchase of acrylonitrile tends to focus on two crucial details: minimum order quantities and lead time. We address both from the perspective of ongoing operations and the realities of large-scale chemical manufacturing.
Our minimum order requirement for acrylonitrile is driven by how production, storage, transport, and safety are efficiently managed in an integrated plant. Bulk chemical facilities are built around continuous processes, pipeline movements, and storage tanks designed for high volumes. For acrylonitrile, we set minimums that fit the standard container or tank truck sizes to maintain product quality and keep costs reasonable for both parties. The most common shipment configuration remains the ISO tank (usually between 20 to 25 metric tons), with railcar or barge cargoes available for larger contractual deals.
Smaller volumes introduce both technical and economic inefficiencies: partial runs disrupt production scheduling and may trigger extra cleaning and changeover requirements, which pushes up both timeline and cost. Regulatory compliance, particularly on hazardous materials like acrylonitrile, demands full alignment with national and international transport laws—shipping smaller than standard container loads raises complexity and risk. These aren’t arbitrary barriers; the scale requirements reflect what’s practical with bulk chemical distribution.
Lead time for direct acrylonitrile supply involves more than just pulling product from inventory. Most of our output is allocated to long-term contracts, with spot volumes designed to balance plant load and customer schedules. Incoming requests for direct supply, especially those without a supply contract, typically enter a scheduling queue tied to the production calendar, tank farm capacity, and logistics resources. Lead time on new orders usually lands between two and six weeks, with shipment timing influenced by plant loading, inventory position, and transport slot availability. That window allows for quality testing, documentation, and the regulatory checks required before tank dispatch.
Long-term or repeated orders benefit from more dependable scheduling. Our teams prioritize ongoing business by reserving capacity, maintaining product in dedicated storage, and securing transport for consistent cycles. New business—even at scale—needs coordination across several internal departments. We communicate realistic timeframes from order initiation so buyers avoid production gaps or unplanned downtime.
Direct factory purchase of acrylonitrile ties directly into process efficiency and safety management at volume. Our goal is reliable supply, cost-effectiveness, and regulatory compliance. We discuss realistic requirements with each customer: tank/truck sizing, inventory expectations, and logistical routes. Any request for volumes below the standard threshold is reviewed by our logistics and regulatory team—if the movement increases risk or cost to an impractical level, we are transparent about the outcome.
Our technical team provides buyers with detailed specifications, quality documentation, and product handling advice, grounded in decades of direct production experience. We understand the importance of clear commitment to both minimum quantities and lead times. In the chemical business, no factor outweighs safety, reliability, and long-term partnership results.
Moving Acrylonitrile (AN) across borders draws heavy attention from global regulators for good reason. We produce AN at scale, and every time a shipment leaves our gates, our commitment to safety, documentation, and legal compliance weighs heavily. The risks—flammability, toxicity, and volatility—force everyone in this business to follow the rulebook without shortcuts. We ship only to partners who share a climate of strict regulatory respect. Over the years, we’ve learned that documentation gets checked, double-checked, and sometimes triple-checked at every stage between production and end use.
Acrylonitrile falls under the UN 1093 classification as a toxic and flammable liquid. International shipment falls within the scope of the United Nations Recommendations on the Transport of Dangerous Goods, which gets adopted by local bodies like IMDG (sea), IATA (air), ADR (road), and DOT (United States). Each regime enforces specific requirements. From our manufacturing floor to the dock, we track these standards closely to maintain and prove compliance.
We never move AN internationally unless each shipment comes with an MSDS compliant with Globally Harmonized System (GHS) standards. The safety data sheet documents chemical properties, stability, incompatibilities, emergency procedures, and proper handling—all signed off by our qualified technical staff before release. Every container or package needs labeling that aligns with IMDG or IATA mandates, and our production teams prepare compliant shipping marks, hazard icons, and accurate labeling for decanted or bulk movement.
We furnish a Dangerous Goods Declaration for each consignment, as required by both shipping lines and customs authorities. This includes explicit details on chemical identity, packaging group, exact amount, and emergency contact data. Customs authorities demand full commercial invoices, origin certificates, and detailed bills of lading. Our logistics compliance team constantly audits documentation against both export country and receiving country requirements, interfacing directly with regulatory agencies whenever faced with updates or procedural questions.
Our standard outbound packaging for AN uses UN-certified drums or ISO tanks designed to mitigate fire and inhalation risks. These containers resist pressure fluctuations, are fitted with relief valves, and follow every protocol for sealing and leak containment. Our filling procedures include full inspection and photographic documentation for all pressurized tanks and pallets. All packaging bears legible hazardous material marks—there is zero tolerance for faded or incomplete labeling, since failed inspections cause costly delays and liability exposure up the chain.
We invest heavily in staff training for dangerous goods handling and transport. Every logistics specialist holds up-to-date certification on the DOT, IMDG, and IATA handling protocols. We keep continuous records of training completion and practical drills. This level of diligence ensures our documentation stands up to regulator or insurance audits without caveats.
Each year brings new interpretations or modifications to existing rules. Divergent regulatory frameworks between jurisdictions can create delays—authorities sometimes require clarifications or even revised paperwork. When this happens, our compliance team works directly with customs or port officials, leveraging deep technical knowledge to address concerns proactively. We see ongoing harmonization of international chemical transport regulations as a critical area for industry collaboration and improvement. In the meantime, our focus remains clear: exhaustive preparation, rigorous documentation, and ongoing education across our teams to secure every shipment and uphold accountability from factory to customer.
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
