| Names | |
|---|---|
| Preferred IUPAC name | butanal |
| Other names | Butanal Butyraldehyde n-Butanal 1-Butanal |
| Pronunciation | /ɛn ˌbjuːtɪrˈældɪhaɪd/ |
| Identifiers | |
| CAS Number | 123-72-8 |
| Beilstein Reference | 1209247 |
| ChEBI | CHEBI:15746 |
| ChEMBL | CHEMBL15839 |
| ChemSpider | 7271 |
| DrugBank | DB14019 |
| ECHA InfoCard | ECHA InfoCard: 100.003.407 |
| EC Number | 200-836-8 |
| Gmelin Reference | 120055 |
| KEGG | C01744 |
| MeSH | D002007 |
| PubChem CID | +12374+ |
| RTECS number | EO1575000 |
| UNII | V83VWA6SL7 |
| UN number | UN1129 |
| CompTox Dashboard (EPA) | DTXSID4020707 |
| Properties | |
| Chemical formula | C4H8O |
| Molar mass | 72.11 g/mol |
| Appearance | Colorless liquid |
| Odor | pungent |
| Density | 0.801 g/cm³ |
| Solubility in water | Partially soluble |
| log P | 0.83 |
| Vapor pressure | 10.7 kPa (at 20 °C) |
| Acidity (pKa) | 13.48 |
| Magnetic susceptibility (χ) | -8.10E-6 cm³/mol |
| Refractive index (nD) | 1. Butyraldehyde: nD 1.399 |
| Viscosity | 0.712 mPa·s (at 20 °C) |
| Dipole moment | 2.72 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 234.5 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -188.6 kJ·mol⁻¹ |
| Std enthalpy of combustion (ΔcH⦵298) | -2222 kJ·mol⁻¹ |
| Hazards | |
| GHS labelling | GHS02, GHS07 |
| Pictograms | GHS02,GHS07 |
| Signal word | Danger |
| Precautionary statements | P210, P233, P240, P241, P242, P243, P261, P264, P271, P280, P301+P310, P303+P361+P353, P304+P340, P305+P351+P338, P312, P330, P337+P313, P370+P378, P403+P235, P405, P501 |
| NFPA 704 (fire diamond) | 1-3-0 |
| Flash point | 10 °C |
| Autoignition temperature | 185°C |
| Explosive limits | 1.7-10.6% |
| Lethal dose or concentration | LD50 oral rat 3600 mg/kg |
| LD50 (median dose) | LD50 (median dose): 2.5 g/kg (rat, oral) |
| NIOSH | NA9260000 |
| PEL (Permissible) | PEL (Permissible Exposure Limit) of N-butyraldehyde: 25 ppm |
| REL (Recommended) | 100 ppm |
| IDLH (Immediate danger) | 200 ppm |
| Property | Technical Commentary |
|---|---|
| Product Name & IUPAC Name |
Product Name: N-butyraldehyde IUPAC Name: Butanal In daily plant operations, both names appear interchangeably on raw material intake reports and outbound delivery notes, depending on the client’s system of record and regulatory filing requirements. |
| Chemical Formula |
Formula: C4H8O The molecular structure is verified by in-house NMR and GC-MS in support of release certification, especially for grades defined for downstream oxo alcohol or specialty chemical production. |
| Synonyms & Trade Names |
Common Synonyms: Butylaldehyde, 1-butanal Trade Names: Appears on purchase contracts as “Normal butyraldehyde”, or shortened as “NBA” in bulk order communications. Labelling conventions often follow client- or region-specific expectations for customs documentation. |
| HS Code & Customs Classification |
HS Code: 2912.19 Customs Trade Category: “Aldehydes, acyclic without other oxygen function” based on the position of butanal within international trade schedule. For cross-border movements, precise code usage depends on end-use declaration and national annexes. Regular audit cycles involve review of customs declarations for correctness, especially for intercontinental shipments where differences in customs interpretations affect document acceptance and port clearance time. |
In plant operations, N-butyraldehyde typically leaves the reactor as a clear, colorless liquid. Production scale influences impurity carryover, which can create faint yellow tints depending on upstream feedstock purity and storage handling. As a volatile aliphatic aldehyde, N-butyraldehyde has a distinct pungent odor detectable at low concentrations. Bulk material exhibits rapid evaporation at room temperature; drummed product may show condensation at the interior neck during colder shifts.
Melting point and boiling point both exhibit slight shifts with grade and presence of trace water or higher-boiling aldehyde byproducts. For grades isolated via direct distillation, physical specification falls within the nominal range for C4 aldehydes. Where high-purity or low-residual water product is demanded, point values show less dispersion batch to batch.
Flash point and density change with impurity load: denser batches often correlate with minor higher molecular weight byproducts (checking density is one in-process indicator for off-spec runs).
N-butyraldehyde’s reactivity is driven by its carbonyl group. We observe more pronounced self-condensation and resinification in storage tanks not kept under inert gas. Acidic or basic impurities accelerate degradation. Storage under nitrogen, at lower temperature, and in tightly sealed containers preserves the true aldehyde content and slows the characteristic “storage haze” formation, a concern for downstream polymer applications.
Solubility in water is moderate and highly temperature-dependent. Process batches contaminated by ethanol or higher aldehydes may temporarily appear more miscible—quality control monitors content closely due to downstream impact on formulation and catalyst loads. Alcohols, glycols, and common nonpolar solvents fully dissolve N-butyraldehyde, enabling solution preparation for resin and plasticizer manufacturing. Final solvent batch composition varies by grade and application; blending is always coordinated with downstream stability checks.
Grades are defined by end-use sector and permissible impurity thresholds. Typical values for aldehyde purity, water, and acid content are set internally and follow either customer contract or published reference guidelines. Exact specification bands depend on resin, plasticizer, or pharmaceutical precursor requirements. Industrial grade may allow broader impurity tolerances, while fine chemical use tightens residual limits and physical property bands. Engineering and QC departments work with customers to lock values batch-wise.
Predominant impurities in production batches are higher and lower C-chain aldehydes, residual alcohols, and, if upstream feed is off, minor acids or esters. Impurity source traces to catalyst activity and raw material fluctuations. Batches produced during catalyst transition periods test higher in byproduct content and require post-distillation rework. Impurity limits always align with both customer and downstream process tolerance; annual reviews adjust test cutoffs.
Release testing uses internal methods traceable to recognized chemical testing standards where applicable. Aldehyde content is tracked by GC; water by Karl Fischer; acids by titration. Retained samples allow for dispute resolution. For grades intended for critical downstream use, parallel verification at third-party laboratories may be required before shipment release.
Propylene and synthesis gas sit at the starting point. Feedstock purity and supply contract terms drive cost and off-quality batch incidence. Tight relationships with petrochemical suppliers stabilize input cost and reduce variability. Storage conditions and age of feedstock tanks are tracked; feed composition drifts prompt immediate adjustment in process conditions.
Industrial production mainly takes the oxo process, catalyzed hydroformylation of propylene with syngas. Catalyst selection—frequently a modified cobalt or rhodium complex—shapes the balance of straight-chain and branched aldehydes. System is operated under carefully controlled pressure and temperature; deviations lead to byproduct spikes and downstream reprocessing requirements.
Continuous process monitoring focuses on reactor temperature, pressure, H2:CO ratio, and recycle rates. Crude product purification via distillation removes unreacted alcohols, light-ends, and cross-condensed aldehydes. In-plant experience shows that tray reflux ratio control and distillation head purity correlation maps most directly to batch-to-batch consistency. Advanced grades deploy additional dry-down or polishing to meet strict moisture and acid limits.
Quality management reviews every lot prior to release: GC profiles, water content, acidity, color, and appearance. Samples drawn from top, middle, and bottom of tanks check for stratification. Release thresholds follow both external specification requirements and internal historical performance, and any deviation prompts immediate investigation and corrective action.
N-butyraldehyde readily participates in aldol condensations, oxidations, reductions, and acetalization. Downstream processes often alter catalyst, temperature, or reactant ratios to steer selectivity toward alcohols, acids, or polymeric intermediates. In resin manufacture, the tendency to self-condense under acid/base catalysis shapes both equipment design and contaminant tolerance.
Hydrogenation converts N-butyraldehyde to n-butanol under moderate temperature and pressure, almost always over a fixed-bed metal catalyst. Acetalization employs acid catalysis at controlled temperature to avoid overreaction or thermal decomposition. Solvent and catalyst selection depends entirely on desired product selectivity and anticipated removal of byproducts.
Major downstream products include n-butanol, 2-ethylhexanol (via condensation), butyric acid (by oxidation), and plasticizer alcohols. Specifications for base N-butyraldehyde are routinely set by the stringency of final product requirements; changes in impurity allowance in the starting aldehyde cascade into downstream acceptance tests.
Bulk tanks and drums both demand cool, well-ventilated environments, isolated from ignition sources and away from sunlight. Storage under inert gas (usually nitrogen) markedly slows air-induced polymerization and degradation. High humidity or air ingress quickly leads to clouding and loss of aldehyde potency, with haze or yellowing as early warning signs.
Mild steel lined with an inert coating or high-density polyethylene proves suitable for short- to medium-term storage. Bare steel, copper, or brass fittings catalyze degradation or polymer formation and must be avoided. Tight drum seals and dedicated valves reduce atmospheric contamination and vapor loss during transfer.
Shelf life remains grade- and storage-dependent; tightly sealed, inert-protected supplies support longer-term use. Color changes, visible haze, or new off-odors prompt retesting and possible reprocessing. Manufacturer policy triggers investigation for off-standard batches and continuous specification review.
N-butyraldehyde fits into the flammable liquids classification, with health hazards linked to vapor inhalation and skin or eye contact. Hazard and precautionary labeling follows legal requirements based on production region and grade—label content and format are regularly audited.
Routine plant practice flags the acute inhalation toxicity, potential for serious eye and skin irritation, and clear risk of fire from both liquid and vapor. Production staff are trained in immediate containment and first-aid procedures. Regular drills support incident readiness and up-to-date safety data refreshers.
Exposure thresholds and permissible limits align with prevailing occupational health standards, but actual exposure in process areas is confirmed by direct-air and personal monitoring. Adequate ventilation, closed-loop transfer, and local exhaust prevent personnel overexposure during filling, sampling, and maintenance. PPE selection and emergency showers conform to the risk profile laid out in safety risk assessments. Spillage and leak management involve immediate barricading and forced-air evacuation of affected zones whenever vapor alarm setpoints are breached.
Industrial production of N-butyraldehyde generally tracks capacity expansions of the oxo alcohol value chain. As a direct manufacturer managing multiple reactors, annual production output largely depends on upstream propylene supply and hydrogenation unit reliability. Manufacturers calibrate output to reflect typical contract demand from coatings, plasticizers, and specialty chemical segments. Output consistency and on-stream factor correlate with both catalyst performance in the hydroformylation step and the stability of feedstock channels. Periodic maintenance, energy rationing, and unplanned unit interruptions may influence short-term supply visibility. Forward volume commitments are typically honored, barring force majeure events or significant policy-driven restrictions on raw material allocation.
Lead times for N-butyraldehyde shipments usually range from two to six weeks depending on contract structure and transportation requirements. For spot orders, response times tighten only when local or regional storage inventories allow for immediate loading. Minimum order quantities often depend on logistical efficiency and grade requirements. For bulk industrial grades delivered in tank trucks or isotanks, purchase lots are sized to optimize both overland and maritime transit scenarios. Containerized delivery supports MOQs aligned with bulk handling infrastructure at customer sites. Custom order sizes for research or niche applications remain subject to consolidated exports and multi-grade batch scheduling.
Packaging format selection for N-butyraldehyde relies on grade purity, end-use safety requirements, and freight method. Industrial batches predominantly ship in stainless steel tankers, ISO tanks, or high-integrity drums, compatible with regulatory guidelines for flammable, low-flash point liquid storage. Purity-sensitive applications or high-grade lots sometimes specify corrosion-resistant linings or UN-certified containers. Customers requiring drum or smaller packaging must account for the solvent's reactivity and sensitivity to oxygen ingress; this drives the use of sealed, inert-gas-purged closures and secondary containment in transit.
Shipping terms typically default to FCA or FOB under Incoterms, depending on the customer’s preference for insurance and in-transit responsibility. For clients with dedicated agreements, door-to-door or DDP terms can be supported through multi-leg carrier partnerships. Payment is commonly structured via net-30 or LC, particularly for export transactions or new trade relationships. Documentation accompanying each shipment is rigidly controlled to align with both international chemical transport regulations and downstream traceability protocols.
The N-butyraldehyde price follows the market index for propylene, the main feedstock, and the prevailing price of synthesis gas (CO + H2). Propylene constitutes the chief cost driver, comprising up to the majority of direct manufacturing expenses in a typical hydroformylation route. Changes in upstream oil and gas pricing, outages at regional crackers, or shifts in propylene–propylene oxide spread instantly reflect in variable production margins. Significant input cost swings also arise from supply interruptions to syngas feed, often linked to natural gas trading or planned shutdowns of hydrogen plants. Energy tariffs add another variable, especially for regions with volatile power contracts.
N-butyraldehyde pricing scales by technical grade and required certification. Grades suited for plasticizer intermediates typically demand lower purity, and so do not bear the premium seen in electronics, pharmaceutical, or reagent-grade supply. Product for high-purity segments may show tighter specifications concerning water content, isomeric byproducts, and residue levels, driving higher purification costs. Certification for food contact, pharmaceutical, or REACH compliance invokes extra batch analytics and documented traceability, reflected in incremental unit pricing. Bulk packaging remains most cost-effective, while drum or small-pack formats incur higher per-unit charges due to added handling, safety, and packaging validation.
Sudden fluctuations generally stem from upstream outages, seasonal demand shifts in derivative markets (especially acrylics, plasticizers), or regulatory disruption affecting propylene/propylene oxide balances. Regional factors such as logistics bottlenecks, port congestion, or local feedstock rationing may momentarily distort pricing in specific geographies. Currency swings against US dollar benchmarks also factor into non-local quotations.
N-butyraldehyde production clusters in regions hosting major oxo-chemical complexes, with output weighted towards Asia and North America, followed by select plants in Western Europe. Imports and exports shift in response to feedstock differentials and downstream specialization. Strongest demand persists in plasticizer manufacturing, followed by coatings, agro intermediates, and specialty chemical synthesis. Trade flows often adjust post-hurricane season in the US Gulf Coast, force majeure among Northeast Asian suppliers, or capacity resets linked to expansion projects.
United States plants favor on-site consumption linked to integrated propylene supply and petrochemical clusters around the Gulf. The EU enforces tighter regulatory compliance, influencing both allowable impurity limits and batch certification, which in turn shapes market segmentation between technical and high-purity grades. Japanese production lines display high batch consistency, often exporting to producers valuing traceable, tightly specced material for electronics or pharma synthesis. India and China show robust volume growth, tied both to rising local demand and a shift toward export capability in line with state-driven chemical expansion policies. Regional differences include energy tariffs, local container standards, and port capacity, all of which affect netback and available volumes for the merchant market.
Industry expectations for 2026 position N-butyraldehyde pricing to shadow propylene and hydrogen cost scenarios. Pending refinery and cracker expansions in Asia and the Middle East may ease structural tightness, while ongoing climate policy and decarbonization targets in the EU and North America could drive incremental compliance costs. End-user sector resilience (plasticizers, acrylate derivatives) and inventory unwinding after previous demand disruptions serve as the main swing factors. Currency risk, energy transitions, and variable regulatory burdens should inform pricing outlooks for both FOB and delivered contract structures.
Market analysis leverages a combination of internal order book review, ongoing raw material input cost tracking, external trade and customs statistics, and published commodity index references (ICIS, Platts, ChemData). Forecasting methodology centers on scenario analysis, historical trend tracking, and forward-looking risk adjustment for policy, weather, and logistics influences on supply chains.
Industry news highlights persistent raw material volatility linked to refiner turnaround schedules and shifting energy costs. Supply disruptions coinciding with weather-driven port impacts in key exporting regions prompt ongoing supply chain evaluations. Market sentiment tracks closely with demand-side recovery in automotive and construction downstream segments, both principal N-butyraldehyde consumer sectors.
Operational policies have adapted to stricter hazard communication standards under REACH and updated transport hazard labeling under GHS. Emerging compliance regimes in Asia push for increased documentation related to impurity control and batch traceability, requiring upstream process transparency from raw material sourcing to batch release. U.S. EPA reviews on VOC discharge and European reporting requirements on substance of very high concern (SVHC) management shape manufacturing workflows and analytics frequency.
Producers respond to market and regulatory shifts by enhancing process control for impurity minimization, investing in advanced analytics for product certification, and establishing multi-port shipping rotations to buffer against single-node disruptions. Contract structures are increasingly built to distribute risk across supply chain partners, including index-linked pricing and volume-flex terms to manage both spot and term commitments in a volatile feedstock environment.
N-Butyraldehyde plays a central role as a chemical intermediate in several sectors. Its primary uses include the synthesis of plasticizers, production of alcohols by hydrogenation, and formulation of resins, coatings, and solvents. In our manufacturing process, we divide customer requirements by end-application, as downstream tolerance for trace impurities and color often distinguishes customer segments:
| Product Grade | Common Applications | Critical Parameters |
|---|---|---|
| Standard Industrial | Plasticizer synthesis, bulk hydrogenation to n-butanol | Assay, water content, total acid, major organic residues |
| High-Purity | Specialty coatings, high-grade 2-ethylhexanol, polyol esters | Color, transition-metal content, peroxides/stabilizers |
| Custom or Research | Low-odor formulations, field R&D | Specific impurity or odor profile, tailored inhibitor content |
Start by specifying the intended use. Downstream process sensitivity to impurities, color, and odor will define which grade matches best. Plasticizer and alcohol producers usually select standard grades, but end-users with color or stability needs should communicate those upfront. Pre-qualification often includes pilot trials with candidate grades from several batches.
Some markets or applications invoke regional or sector-specific rules, such as REACH registration or specific food-contact restrictions. These may affect permitted impurity levels or require change-control documentation. We maintain regulatory data for each batch release and verify compliance prior to shipment as needed.
Purity not only means higher assay, but considers trace impurities, water, and organic side-products unique to each production campaign. For demanding applications, we recommend reviewing our batch-specific analytical summary to check for customer-relevant impurities not covered in generic specifications.
Cost savings come from aligning grade to minimum process requirements. High-purity material involves extra manufacturing steps and raw material cost, which may not be justified for high-volume, robust downstream processing routes. Bulk customers often request split-delivery or blend grades, while specialty users invest in separately certified higher-purity batches.
Before locking in the grade, we encourage direct sample evaluation against intended process. Our technical support coordinates shipment of production-scale samples and provides batch-level QC documentation. Qualification trials regularly reveal process-specific requirements—offering both technical and procurement teams better long-term planning for subsequent releases.
The oxo process produces N-butyraldehyde from propylene, syngas, and catalyst. Variation in upstream feed purity directly transfers to downstream grades: oxygenates, permanent gases, transition-metal residues, and unsaturated aldol side-products must be checked routinely.
Continuous reactors provide more reproducible results for industrial grades, while specialty and high-purity batches may undergo secondary distillation or inline trapping. Monitoring parameters such as temperature, hydrogen partial pressure, and catalyst efficiency allows us to flag off-spec conditions quickly before shipment. Fluctuations often signal catalyst deactivation or upstream feed disruption—they prompt both in-process rejig and additional analytical checks.
Aldol by-products, water, and minor organic acids require controlled removal. Online analytical tools (e.g., GC, Karl Fischer) verify endpoint during purification. Selecting the number and type of distillation columns, phase separators, and inhibitor dosing strategy depends heavily on grade and final customer requirements. High-purity batches undergo periodic column re-packing and more intensive maintenance.
Each grade follows a final QC protocol set jointly with key customers and in line with industry standards. For standard industrial grades, batch-to-batch variation falls within targets set at the plant management level. Higher grades involve expanded analytical suites covering trace analysis and ultra-low color targets. Release standards evolve upon customer feedback, process changes, or new regulatory data.
In the production of N-butyraldehyde, facility certification to internationally recognized management systems establishes a baseline for operational discipline and product reliability. Certification to standards such as ISO 9001 for quality management is maintained through documented procedures, traceability in manufacturing records, and periodic audits. This system addresses not only batch-to-batch consistency but also corrective action loops and continuous training for production and analytical staff. Certification scope includes incoming raw materials, intermediate streams, and final product batches.
For N-butyraldehyde, certification requirements are generally dictated by downstream application and regulatory territory. Customers in pharmaceutical, food-contact, or personal care intermediates require additional compliance documentation — such as certificates of analysis reflecting analytical test results for specified impurities, or, where relevant, statements of compliance with applicable chemical inventory listings or purity thresholds. Specification parameters can differ markedly between technical, industrial, or high-purity grades. Each batch is accompanied by its own documentation, which can include analytical data, impurity profiles, or confirmation of compliance with relevant regional chemical registration frameworks.
Routine documentation maintained for each batch includes production records, in-process quality control data, and release analytics. Each lot is provided with a certificate of analysis, listing the specific analytical tests performed according to internal standards or customer requirements. Full traceability is supported for raw materials and critical process steps. Customers with specialized requirements can request expanded documentation, such as stability studies or extended impurity data, which are generated on a contract or project basis, depending on grade and intended use.
N-butyraldehyde supply depends on consistent process throughput from oxo synthesis units, with tight coupling between feedstock reliability and reactor uptime. Flexibility in supply agreements comes from modular production scheduling and capacity expansion options in response to customer forecasts. Short-term adjustments are possible through buffer stock, but long-term stability relies on alignment of planned off-take with integrated production planning. Cooperation modes are tailored for bulk, campaign, or toll manufacturing customers, with terms negotiated according to contract duration, volume, and delivery windows.
Core capacity is anchored in established production lines dedicated to aldehydes, with process control systems in place to provide continuous monitoring of reactants and product streams. Bottleneck prevention relies on preventative maintenance schedules, spare part strategic inventory, and parallel lines for critical unit operations such as distillation or purification. Raw material sourcing is secured through multi-vendor contracts, with contingency logistics plans for transport disruption. For customers with high-volume repeat requirements, fixed allocation and periodic delivery regimes mitigate supply swings from unplanned shutdowns or maintenance.
Requests for N-butyraldehyde evaluation samples are handled through a structured process. Application begins with clear end-use disclosure and technical questionnaire to match grade and analytical profile to downstream processing requirements. Sample volumes and documentation vary according to scale and customer request — from small laboratory evaluation to multi-kilogram process trials. Each sample is drawn under production batch conditions, accompanied by standard or customized analytical reports, and shipped under validated logistics. Feedback from sample evaluation supports product fit clarification and any required specification adjustments.
Flexibility in cooperation structure is achieved by offering framework agreements, spot purchasing, or quarterly volume commitments. Contract structures accommodate changes in drawdown schedules, release order timelines, and optional inventory holding. For clients integrating N-butyraldehyde into complex, multi-component blends, batch reservation and split shipment plans can be arranged. Technical and commercial liaisons maintain regular communication to adapt cooperation parameters in line with evolving production realities and market demand fluctuations. Close coordination between manufacturing, supply chain, and customer technical teams enables quick resolution of product queries, non-conformance handling, and continuous improvement feedback loops.
Direct hydrogenation of butyraldehyde and downstream oxo alcohol routes draw steady focus in established production hubs. Formulation chemists examine compatibility of n-butyraldehyde in plasticizer synthesis, specialty resins, and aroma intermediates. The interplay between catalyst lifetime and feedstock purity receives close attention in process optimization projects.
Continuous improvement in catalyst selectivity and activity affects both throughput and impurity profiles. Our production and R&D teams track feedstock volatility and supply chain bottlenecks in regions dependent on propylene-based routes, as these directly impact allocation and batch consistency. In high-grade applications, the push for lower trace metals and peroxide content remains a consistent request from downstream formulators.
Non-phthalate plasticizers and specialty coating resins have seen measurable new demand in response to regulatory developments in North America and the EU. Analytical labs report expanded use of n-butyraldehyde in pilot-scale synthesis of new aroma and flavor compounds, particularly where controlled branching or aldehyde function brings synthetic leverage.
Developers of bio-based chemical processes evaluate n-butyraldehyde as both a building block and process intermediate. In select R&D consortia, researchers pursue microbial and catalytic conversion to higher-value chemicals, targeting applications in biodegradable materials and next-gen fuel additives.
Consistent control of byproducts such as isobutyraldehyde and unsaturated aldehydes remains a technical challenge at both lab and plant scales, impacting final product release specifications. Excess water, trace acrolein, and high-boiling impurities require vigilant monitoring, especially when purity affects downstream hydrogenation or condensation reactions.
Breakthroughs in separation technology, including energy-efficient distillation columns and in-line analytical controls, have improved both yield and supply reliability. The main bottlenecks remain raw material flexibility and impurity management under fluctuating upstream conditions. Our continuous improvement teams prioritize real-time analytics to reduce batch variability and to enable faster corrective actions in case of feedstock excursions.
Global demand projects modest year-over-year growth, with slightly higher rates in Southeast Asia and South America due to capacity expansions in local oxo-alcohol plants. Substitution trends toward more environmentally acceptable plasticizers provide both opportunity and pressure for R&D and process adaptation. Any tightening of regulatory thresholds for aldehydic impurities will require parallel upgrades in backward integration, purification, and process validation.
Forward contracts in mature markets indicate stable long-term demand for both general industrial and specialty grades. End users continue to request tailored support for new formulations, especially where phthalate alternatives or low-odor requirements come to the fore.
Investment in automated quality control and advanced purification steps reflects market-driven need for tighter batch-to-batch consistency. Raw material flexibility—balancing propylene versus alternative carbon sources—is under continuous review as energy markets shift and bio-feedstocks gradually scale. Incremental process tweaks, such as improved catalyst regeneration cycles and integration with lower-emission utilities, drive sustained operational improvements. Any shift toward greener chemistries depends on both regional incentives and technological readiness.
Pressure from downstream users and regulatory bodies aligns around reduced environmental impact, especially concerning VOC emissions, energy intensity, and waste minimization. Some partnerships experiment with renewable feedstock integration, but cost and supply constraints limit broad application for industrial scales. Durable improvements have come from closed-loop solvent recovery and optimized energy balances across the plant footprint. Our sustainability roadmap prioritizes emissions monitoring, solvent lifecycle analysis, and lean process workflows backed by cross-functional audit teams.
Our technical specialists offer detailed product profiling based on intended use and required specification. Early-stage consultation with customer R&D and production stakeholders helps clarify whether a given n-butyraldehyde grade aligns with downstream performance, compatibility, and regulatory filing needs. For custom purification or impurity adjustment, technical team involvement from sampling through validation strengthens project timelines and production flexibility.
For formulation integration, production engineers and application chemists run benchmark studies on solubility, reactivity, and byproduct formation under specific customer process conditions. Feedback loops between our process lab and the end user enable recipe fine-tuning and rapid troubleshooting. Support may focus on either maximizing conversion (in hydrogenation to alcohols) or minimizing side reactions (in resin curing or perfume blending), depending on which technical targets are most critical for the application.
Technical staff remain available throughout the product lifecycle for troubleshooting, deviation analysis, and on-site support. Structured follow-up, including batch performance tracking and support for compliance audits, helps maintain product consistency and end user confidence. All technical service protocols adapt to the contractual and regulatory context of the delivered grade and market.
As a chemical manufacturer specializing in N-butyraldehyde, we operate our own fully integrated production lines. Decades of technical investment have shaped a process that aligns closely with industry requirements for volume, traceability, and repeatability. We manage each stage in-house, from raw oxo reaction to purification and delivery. Every batch leaves our facility meeting controlled specifications, with traceable records maintained for every lot.
N-butyraldehyde runs at the core of several downstream production chains in modern industry. In the chemical synthesis sector, it provides essential input to plasticizer intermediates such as butanol and 2-ethylhexanol. Pharmaceuticals and crop protection industries use N-butyraldehyde in the creation of active compounds and specialty derivatives. The coatings industry relies on high-purity grades to minimize cross-reactions and guarantee product consistency. Manufacturers involved in flavors and fragrance blending also source this product for its role as a reactive base material.
Quality starts with reaction input selection and extends through our purification procedure. We employ calibrated instrumentation at multiple checkpoints: GC analysis for purity, moisture content measurement, and residual catalyst checks. Records for each run get archived and are accessible for customer audits. By handling production within a single site, we reduce variability and deliver stable chemical composition across repeat orders.
We offer packaging based on material compatibility with N-butyraldehyde. Choices run from bulk ISO tanks for high-volume consumers to stainless steel drums and IBC containers for more flexible plant operations. Protective linings and pressure-relief fittings guard against product degradation through handling and storage. High-throughput loading stations ensure short turnaround, supporting customers with continuous or batch-based procurement models. With multiple reactors online, we both meet regular schedules and respond to urgent increases in demand.
Our technical team works directly with process engineers and procurement managers to address operation-specific questions. This includes guidance on product grade selection, compatibility with incoming feedstocks, and compliance with international transport standards. As production engineers, we routinely troubleshoot process challenges encountered in downstream synthesis and help optimize N-butyraldehyde handling on customer lines.
Direct relationships with end customers allow us to reduce lead times, anticipate inventory needs, and align order volumes with production forecasts. For manufacturers, this brings stable input supply and consistent material performance. Distributors working with our plant receive regular shipment schedules backed by stock management at our site. Procurement managers reduce uncertainty—both in timing and quality—by connecting directly to a production source.
Modern industry relies on reliable access to critical raw materials. By controlling both the manufacturing process and supply chain, we support industrial customers in their pursuit of efficiency, quality, and growth within their own operations.
At our facility, manufacturing N-butyraldehyde involves more than just keeping up with formulae. Physical properties such as boiling point, miscibility, vapor pressure, and reactivity shape every step from handling to process integration. As a clear, colorless liquid with a boiling point in the low 70s Celsius, N-butyraldehyde lends itself to applications needing moderate volatility. That property streamlines azeotropic distillation, facilitating downstream processing and recovery in many chemical syntheses. Due to its relatively low freezing point, the product maintains fluidity in most climates, reducing storage headaches through the seasons.
In our experience, the characteristic, sharp odor of N-butyraldehyde strongly signals the need for robust ventilation. Fugitive vapors can escape readily if containment is not tight. Our technicians work with closed systems and vapor recovery units to protect both the workplace and the environment. N-butyraldehyde also demonstrates complete solubility in most common organic solvents, but shows only moderate miscibility with water. This tendency helps streamline phase separation steps and allows for selective extraction in industrial applications, particularly in oxo-alcohol production and lubricant intermediate synthesis.
What often brings customers to N-butyraldehyde is its balanced reactivity. As a straight-chain, four-carbon aldehyde, it consistently participates in aldol condensations and acetalization, laying the foundation for value-added intermediates. Our process team leverages N-butyraldehyde’s predictable reactivity when designing routes to 2-ethylhexanol, plasticizers, and surface-active agents. In our reactors, it readily undertakes hydrogenation to form n-butanol, a transformation taken for granted across the sector, yet one that requires consistently pure feedstocks to avoid process interruptions and maintenance concerns.
In the presence of acids or bases, N-butyraldehyde shows strong tendencies toward self-condensation. Industrial operators must handle this material with attention to both pH and temperature control to prevent undesired byproducts, especially on a continuous line. To support these needs, our specification ensures impurity control targets, especially around water, which can catalyze side reactions or introduce corrosion concerns downplant.
From day-to-day experience on the production line, one learns the importance of vigilant controls. N-butyraldehyde forms peroxides on storage, especially when exposed to air and light, so we prioritize inert gas blanketing and strict stock rotation. Our standard packaging options use high-integrity, sealed containers to maintain product stability from our facility to your tank farm.
Local fire codes generally classify N-butyraldehyde as flammable, so we maintain all bulk storage in dedicated, temperature-monitored areas, separated from ignition sources. Leaks can cause slippery surfaces and stubborn odors; our operations group has had the best results with chemical-resistant floor coatings and rapid-spill neutralizing agents.
Producers like us shoulder the responsibility of ensuring every drum of N-butyraldehyde meets the unique needs of downstream chemistries. Customers benefit from direct access to our technical staff who can advise on compatibility, process integration, and performance optimization. Through continuous monitoring and process control, we help minimize disruptions in even the most demanding applications. From our perspective, every property of N-butyraldehyde—whether volatility, solubility, or reactivity—demands practical solutions. Our focus remains on delivering consistent quality, safe handling, and operational insights born of decades of direct manufacturing experience.
Over the years in chemical manufacturing, we have seen how critical clear discussions about order minimums and packaging are for our clients’ operations. N-butyraldehyde, with its broad industrial use in chemical synthesis, flavors, plasticizers, and agricultural applications, often raises two recurring questions: “What is the minimum order quantity?” and “What size packaging can you offer?” Addressing these straightforwardly is part of manufacturing transparency, which supports efficient planning at our customers’ facilities and also drives down supply chain confusion.
The minimum order quantity (MOQ) is shaped by handling, logistics, and the inherent nature of N-butyraldehyde itself. Drum and bulk quantities represent the balance point where both transportation safety guidelines and effective delivery costs line up. In the case of N-butyraldehyde, this material typically ships as a colorless liquid requiring secure, airtight containers to minimize volatility and odor escape. Our MOQ reflects years of operational experience with both local and international clients—it sits at one full drum, translating to around 170 kilograms. This MOQ isn’t arbitrary; it is chosen to optimize warehouse throughput and minimize partial-fill risks, such as potential contamination or loss of product quality during multiple-handling events.
Packaging needs in our production lines always respond to both regulatory safety protocols and what fits well on a plant floor. Our standard packaging option for N-butyraldehyde is steel drums sealed to resist leakage and vaporization. Each drum contains approximately 170 kg. For larger scale operations, we also load N-butyraldehyde in intermediate bulk containers (IBC totes) with volumes up to 1,000 kg. For continuous-process industries, we have developed the ability to deliver in tank trucks with capacities from 15 to 20 metric tons, enabling a direct-to-storage offload that reduces manual drum handling and cuts down on operator exposure to the material.
Small packaging—less than drum-size—typically does not serve the safety or cost needs in our sector. The requirements for safe containment, specialized warning labels, and certified handling make small containers uneconomical for a raw material product like N-butyraldehyde. Based on industry-experienced risk assessment, we offer smaller quantities only to pilot labs or for quality-testing purposes, after technical review. Never in consumer packaging.
Our operations always aim to minimize unnecessary handling points and streamline deliveries, but pack-down to sub-drum sizes for general sales exposes both the product and downstream users to avoidable issues. Even a minor deviation in headspace can affect stability or ignition risk, so our quality systems demand these minimum technical standards. This permits us to guarantee purity, spec conformance, and batch traceability—direct from batch reactor to end-user. The focus remains on consistent, reliable supply throughout all ordering and fulfillment steps.
Our technical team also evaluates each new client’s application to make sure the packaging matches their process needs. For regular buyers, we maintain reserve packaging stocks, coordinate with on-site bulk storage plans, and advise on decanting protocols to keep materials handling streamlined and safe. For special requests or new projects, we can provide detailed specifications and collaborate on unique bulk packaging solutions.
Direct-from-plant minimum order quantities for our N-butyraldehyde start at one drum, typically 170 kg, scaling up to IBC and bulk truck loads for larger users. This approach reduces risk, maintains product quality, and ensures every delivery supports modern plant demands. We keep safety, product integrity, and operational efficiency front and center in every packaging and order decision.
Shipping N-butyraldehyde across borders involves more than labeling a drum and calling a carrier. At our production facility, every decision—right down to the drum seal—reflects decades of knowing what real-world challenges look like. In our experience, neglecting rigorous attention to storage, international transport, and compliance is inviting substantial risk to operational efficiency, product integrity, and safety.
N-butyraldehyde brings with it a set of chemical hazards that don’t take a day off because of destination. We store it in tightly sealed, compatible carbon steel or stainless steel containers—drums and ISO tanks—under nitrogen blanketing to minimize peroxide formation and degradation from air. If N-butyraldehyde escapes containment, its low flash point and strong odor alert everyone in the warehouse. No one likes unnecessary incidents, so our team uses high-quality closed systems, temperature-monitored storage, and well-maintained vapor mitigation to guard against spillage and fumes.
Our packing lines are set up only for drums, IBCs, and tanks that meet the strictest international standards. UN-approved packaging ensures that every shipment matches the exact requirements for hazardous goods. We have learned that there is no cutting corners with inner linings—corrosion or a bad seal can mean product loss or environmental compliance headaches long before cargo reaches customs.
International shipping adds complexity. N-butyraldehyde falls under Class 3 flammable liquids in the UN dangerous goods classification. We provide the proper dangerous goods declaration and comprehensive Safety Data Sheets—there is no shortcut around these. Our logistics team coordinates with certified carriers who operate specifically approved vehicles and tanker trailers. For ocean transit, only vessels certified to handle hazardous cargo can move our drums or tanks, and our team verifies every transport document before departure.
We choose routes and schedules that limit exposure to temperature extremes and reduce time in storage yards, minimizing risk. No shipment leaves without spill containment accessories, trained handlers, and real-time temperature monitoring.
Each country has unique controls on aldehydes and, more broadly, dangerous goods. Our compliance officers file every required document: the Material Safety Data Sheet in the local language, UN number, batch COAs, and, when requested, supporting test results from our on-site QC laboratory. We classify our product under UN 1129 and supply all requisite hazard labels.
REACH registration, as well as compliance with global transport codes (IMDG for sea, IATA for air, ADR for Europe), comes as standard. Where importers need proof of origin or additional government documentation, we coordinate directly with regulatory authorities to meet every demand. Our decades of experience allow us to anticipate regulatory shifts and adjust our process so shipments clear customs efficiently and are delivered in spec.
A shipment doesn’t arrive intact by chance. Preventing contamination, assuring product freshness, and keeping everything above board from paperwork to package ultimately protects our business partners and our record for consistent, high-quality N-butyraldehyde. We engage directly with customers to answer technical or regulatory questions and provide practical storage or handling advice grounded in our day-to-day experience running large-scale chemical facilities.
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
