| Names | |
|---|---|
| Preferred IUPAC name | Butan-1-ol |
| Other names | 1-Butanol n-Butanol Butyl alcohol n-Butyl alcohol Butan-1-ol |
| Pronunciation | /ˈbjuː.tə.nɒl/ |
| Identifiers | |
| CAS Number | 71-36-3 |
| Beilstein Reference | 605281 |
| ChEBI | CHEBI:28885 |
| ChEMBL | CHEMBL14253 |
| ChemSpider | 3507 |
| DrugBank | DB02169 |
| EC Number | 200-751-6 |
| Gmelin Reference | Gmelin 8367 |
| KEGG | C00474 |
| MeSH | D00169 |
| PubChem CID | 263 |
| RTECS number | EO1400000 |
| UNII | 3K9958V90M |
| UN number | UN1120 |
| Properties | |
| Chemical formula | C4H10O |
| Molar mass | 74.12 g/mol |
| Appearance | Colorless liquid with a characteristic odor |
| Odor | Alcoholic; sweet; banana-like |
| Density | 810 kg/m³ |
| Solubility in water | 7.9 g/100 mL (20 °C) |
| log P | 0.88 |
| Vapor pressure | 0.56 kPa (at 20 °C) |
| Acidity (pKa) | 16.0 |
| Basicity (pKb) | 15.8 |
| Magnetic susceptibility (χ) | -8.10×10⁻⁶ |
| Refractive index (nD) | 1.399 |
| Viscosity | 2.95 mPa·s |
| Dipole moment | 1.66 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 160.5 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -327.6 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | –2676 kJ·mol⁻¹ |
| Pharmacology | |
| ATC code | **R07AX02** |
| Hazards | |
| GHS labelling | GHS02, GHS07 |
| Pictograms | GHS02,GHS07 |
| Signal word | Warning |
| Hazard statements | H226, H302, H315, H318, H335, H336 |
| Precautionary statements | P210, P261, P280, P301+P310, P305+P351+P338, P403+P233 |
| NFPA 704 (fire diamond) | 2-3-0 |
| Flash point | 35°C |
| Autoignition temperature | 343 °C |
| Explosive limits | 1.4% - 11.2% |
| Lethal dose or concentration | LD50 (oral, rat): 790 mg/kg |
| LD50 (median dose) | LD50 (median dose): 790 mg/kg (rat, oral) |
| NIOSH | Ketch Hazards: 123800 |
| PEL (Permissible) | 100 ppm |
| REL (Recommended) | 100 mg/m³ |
| IDLH (Immediate danger) | 1400 ppm |
| Related compounds | |
| Related compounds | Methanol Ethanol Propanol Pentanol Hexanol |
| Attribute | Description |
|---|---|
| Product Name & IUPAC Name | Butanol (1-Butanol, IUPAC: Butan-1-ol) |
| Chemical Formula | C4H10O |
| Synonyms & Trade Names | n-Butyl alcohol, 1-Butyl alcohol, n-Butanol |
| HS Code & Customs Classification | 2905.13 (Alcohols; butan-1-ol (n-butyl alcohol)) |
Production lines select feedstock based on local market dynamics and available technology. In many regions, petrochemical routes dominate, drawing from propylene via the oxo process as the primary crude method. Fermentation routes see use when bio-based claims or regulatory incentives are prioritized, impacting batch variability and impurity baseline.
Oxo process routes introduce by-products and positional isomers, making in-process control critical for consistent 1-butanol purity. Continuous fractionation units monitor light- and heavy-end composition. Feedstock impurity, catalyst loading, and temperature shifts directly affect finished butanol color, odor, and residual trace organics, so in-line GC and color index checks run batch to batch.
Butanol's physical parameters—purity, water content, aldehyde traces, and GC profile—vary by grade and customer application. Solvent and coatings industries often require specific isomer cut-offs and minimized water. Pharmaceutical or food-contact grades demand tighter elimination of aldehydes and other impurities, supported by targeted distillative purification.
Hygroscopicity of butanol affects storage tank choice and handling protocol. Bulk transfer systems must be maintained to control moisture ingress, since excess water complicates subsequent downstream blending and polymerization. For customers who blend or formulate at lower thresholds, trace aldehyde content and color stability dictate shelf-life and finished product clarity. Regional regulations or customer specifications will define allowable impurity ranges and dictate periodic release control testing per batch.
Customs agents and logistics teams use 2905.13 for international shipment documentation, as it reflects the primary butanol category under global trade alignment. Some markets differentiate bio-based routes for duty exemption or documentation under additional tariff codes—an increasing trend with renewable mandates.
Butanol typically presents as a clear, colorless liquid with a distinct, sharp alcoholic odor under ambient conditions observed in bulk production. Small traces of color may develop if storage conditions allow contamination or prolonged exposure to air.
Physical form and odor intensity vary depending on the isomer and purity level. Melting point and boiling point ranges differ slightly across normal, sec, iso, and tert-butanol grades, with typical commercial grades showing narrow ranges within published chemical references. Flash point and density are verified batch-wise, as they influence process safety and downstream blending. These benchmarks are crucial for flammable liquid handling system setup.
Butanol maintains chemical stability during standard storage in inert conditions. Contact with strong oxidizers or acids in industrial environments increases the risk of uncontrolled reactions or byproduct formation, especially where process lines see diverse chemical throughput. Reaction with reactive metals or elevated heat promotes rapid pressure rise in sealed vessels. Protocols manage oxygen ingress and control temperature excursions to avoid instability and offspec material generation.
Solubility in water remains moderate at standard temperature, though miscibility varies with isomer and temperature. Operators monitor phase separation closely during mixing and cleaning operations to ensure proper homogenization and avoid layering in process vessels or waste streams. Correct agitation intensity and solution order (adding butanol to water or vice versa) are determined per application to maximize yield and safety.
Specification parameters, including purity, water content, and color index, are defined per application or industry demand. Solvent, pharmaceutical, and reagent grades require increasingly stringent control of organic impurities and water traces. Typical values reported in technical literature serve as reference, but customer-specific standards drive internal batch release cutoffs.
| Grade | Purity | Water | Impurities (by class) | Other Parameters |
|---|---|---|---|---|
| Industrial | Grade-dependent | Grade-dependent | Defined by process | Color, odor |
| Reagent/Pharma | Higher; tighter limits | Minimal | Defined by customer | Meets test standards |
Principal organic impurities stem from process feed composition and reactor side reactions. Aldehydic and ketonic compounds, as well as residual hydrocarbons, are monitored based on process route and customer specification. Limits reflect historic batch data and are validated by ongoing quality trend analysis. Water and peroxide contents are tracked closely due to their impact on storage stability and process safety.
Physical and compositional properties are tracked using gas chromatography, Karl Fischer titration, and UV absorbance techniques, among others. The chosen tests reflect both regulatory expectations and end-use requirements. Method selection adapts to batch nature and raw material origin.
Feedstock selection occurs based on regional availability, price stability, and impurity load profiles. Petrochemical hydrocarbon streams or fermentation-derived feed provide primary input. The incoming specification for these sources sets the limit targets for process output and determines the overall yield-to-purity balance.
Oxosynthesis (hydroformylation of propylene followed by hydrogenation) remains the dominant synthetic route for most industrial butanol, chosen for consistent yield and scalable operation. Fermentation methods, while gaining attention, suit biobased production where certification and geographical preferences dictate route. Reaction sequences require strict control of gas-phase conditions (pressure, composition), catalyst preparation, and reactor residence times. Unreacted feed and unwanted intermediates enter recycle or offspec handling streams to optimize cost and process efficiency.
Distillation constitutes the main purification stage, focusing on fractionating overhead impurities and collecting the desired isomer in the main cut. Selection of column trays, packing types, and reflux ratios reflects the anticipated impurity load and batch-to-batch consistency. In-process sensors track hydrocarbon slippage, water breakthrough, and color formation, allowing corrective actions before product isolation. Purge and recycle strategies mitigate risk of buildup and ensure consistent final product output.
Batch is tested against both standard specification sheets and customer-declared requirements. Release hinges on achieving threshold values for purity, water, and color, along with odor and organic impurity class limits. Deviations prompt root cause review by production, and secondary treatment may be scheduled for salvageable offspec lots. Documentation follows internal standards aligned to regulatory requirements and market destination.
Butanol participates in esterification, etherification, and oxidation reactions. Industrial users exploit reactivity for downstream product synthesis, including esters for plasticizer and solvent manufacture. Reaction outcomes tie closely to grade, as byproducts from low-grade feedstocks accumulate in finished derivatives, impacting downstream purity.
Selection of acid or metal-oxide catalysts, temperature range, and solvent phase is matched to both process economics and available plant assets. For ester formation, batch and continuous systems differ in residence time and impurity carryover. Consistent grades of butanol allow users to employ established kinetic parameters without wide process window adjustments, ensuring efficiency and reliability.
Major derivatives include butyl acetate, glycol ethers, and alkoxylates. Downstream users rely on predictable impurity carryover profiles to ensure compliance of final goods.
Butanol storage in dedicated, tightly sealed containers maintains quality against oxidation and moisture ingress. Standard storage tanks employ inert gas blanketing for grades sensitive to moisture or air. Overexposure to light or heat increases peroxide formation risk and can degrade lower-grade stocks more rapidly. Operators monitor tank temperatures and gas space controls based on local environment and volume turnover.
Stainless steel and lined carbon steel vessels are selected to resist both solvent action and corrosion. Compatibility checks extend to gaskets and valve seats, as butanol interacts with some plasticizers and elastomers, particularly at above-ambient temperatures.
Shelf life aligns with grade and storage strictness. Sensory checks look for departure from initial color, odor, or phase. Degradation symptoms include visible haze, off-odors, and peroxide formation. High-purity or pharma-grade lots receive tighter surveillance than industrial solvent or reagent grades.
Butanol is classified as flammable liquid, with acute toxicity by inhalation and skin absorption. Classification and hazard statement details follow regulatory guidance per jurisdiction and batch documentation records current status. Detailed GHS codes and pictograms are provided on batch paperwork and regulatory filings.
Operational environments enforce controls for flammable vapor, eye/splashes, and ingress via skin. Risk management strategies include local exhaust ventilation and static charge mitigation. Absorptive PPE and closed transfer systems receive emphasis across production and loading bays.
Toxicity values, including oral, dermal, and inhalation thresholds, appear in published toxicological summaries and are drawn upon for plant exposure rules. Chronic exposure oversight relies on both international guidance and local occupational hygiene data.
Handling protocols and ventilation system design reflect cited occupational exposure limits. Training on safe transfer, decontamination, and emergency procedure drills feature in standard operation. Plant procedures accommodate both containment of acute spills and arc-flash risk during sampling and transfers, particularly under high-throughput regimes and with varying lot impurity levels.
Production capacity for butanol at the plant scale is determined by process route, catalyst efficiency, and uptime control. Output varies based on technology adopted—oxo-process, fermentation, or older aldehyde reduction routes. Supply can fluctuate due to mechanical downtime, scheduled maintenance, and feedstock interruptions. Multiple lines or integration with upstream synthesis ensures availability, yet capacity allocation depends on long-term offtake agreements and spot market fluctuations. Raw material volatility and regulatory constraints can impact overall throughput, especially during force majeure events tied to regional policy or logistics disruption.
Lead time for butanol generally ranges from days to several weeks, based on production campaign scheduling, warehouse stock levels, and transportation distance. Custom grades or large-lot orders require additional lead time to ensure batch homogeneity and compliance with client release specifications. MOQ reflects handling safety rules, packaging limitations, and logistics optimization. Bulk ISO tank or flexi-bag shipments demand higher MOQs; drum or IBC orders accommodate smaller customers but elevate unit cost.
Butanol ships in bulk tankers, ISO-containers, steel drums, or IBCs. Packaging selection responds to customer storage practice, regulatory requirements for hazardous goods, and specific downstream process needs. Container cleanout and product traceability are strictly managed, as cross-contamination risks can affect grade certification—especially for pharma and electronic grades. Every package type undergoes leakage, labeling, and batch traceability verification before release.
Shipping method selection—sea, rail, or truck—hinges on destination, safety compliance, and cost structure. For international markets, INCOTERMS define handoff points. Payment terms often reflect risk assessment, customer credit history, and market volatility; standard cycles include net-30, sight-L/C, or escrow mechanisms. Pre-shipment inspection and export documentation align with customs, hazard, and export control compliance.
Butanol manufacturing cost structure ties directly to the price and availability of propylene, syngas, or fermentation feedstock, plus energy and labor input. Propylene-based oxo-processes are sensitive to oil price shifts, while bio-routes tie to agricultural commodity cycles. Utility price spikes, particularly for steam and power, feed into marginal cost changes, seen most acutely during seasonal demand changes or energy rationing events.
Feedstock pricing, process efficiency, transport bottlenecks, and unexpected shutdowns drive immediate cost swings. Market-linked contracts with escalators based on raw material indexes transmit volatility downstream. Disruptions in export markets or new regulatory compliance standards drive indirect cost change as plants modify process flows or sourcing to comply. Exchange rate movement influences export competitiveness, particularly for Asian or US-origin butanol.
Grade, purity level, and packaging form sharply affect price. Technical and industrial grade butanol commands lower pricing but carries looser impurity limits and broader batch variation. Electronic or pharmaceutical grades, where ppm-level impurities require special purification and analytical release, involve additional costs for in-process control and certified packaging. Certified packaging—UN-approved drums or custom-sealed containers—demands compliance verification, cleanout procedures, and post-fill inspection. Special documentation or multi-batch composite sampling further differentiates price among grades.
Supply and demand balance in butanol relies on regional integration of feedstock and downstream demand from coatings, resins, plasticizers, and solvent industries. Market-tightness arises when downstream consumption growth outpaces plant debottlenecking or new capacity. Export-oriented regions such as East Asia adjust supply based on external demand from US, EU, and India, where local production gaps or environmental shutdowns reinforce import reliance. Strategic reserves or domestic production quotas in key regions shape export policy, affecting international price arbitrage opportunities.
United States maintains large-scale oxo-plant capacity with strong integration into refining and petrochemicals; price links to propylene-traded benchmarks. EU producers emphasize compliance with REACH regulations and site traceability, shifting to higher-purity and specialty grades. Japan focuses on high-specification butanol for advanced materials and electronics, where downstream certification and purity control drive premium. China balances exports from state-owned complexes against domestic price controls and environmental enforcement, making the region the swing supplier in regional tightness periods. Indian demand is growing, driven by coatings and specialty chemical intermediates, but domestic production often falls short, leading to persistent import demand and local price spikes during shipping disruptions.
Current indicators point to moderate price escalation by 2026, reflecting expected tightening of environmental controls, increased downstream demand for eco-friendly coatings and plastics, and greater raw material volatility from trade disruptions. Allocation of new production capacity in Asia or the US will offset some pressure, but energy transition policies raise uncertainty in both raw material and utility costs. Grade differentiation and packaging compliance will increase in importance as regulatory scrutiny on traceability and end-use rises. Source data for this outlook draws from global customs records, regional petrochemical indexes, and published market analytics cross-checked against plant operating data and internal procurement forecasts.
Several producers in East Asia and North America announced capacity expansions targeting high-purity butanol and value-added derivatives. Regional supply chains experienced recurrent delays due to port congestion and transportation labor action, especially affecting containerized shipments.
Key markets in the EU and North America recently updated rules on environmental discharge, VOC emission limits, and hazardous goods handling, amplifying the need for robust in-plant monitoring and independent product certification. New labeling rules in Europe require comprehensive chain-of-custody documentation for downstream applications in packaging and pharmaceuticals.
Manufacturers responded by investing in process automation, real-time feedstock monitoring, and upgraded packaging lines to reduce cross-contamination risk and improve release documentation. Increased frequency of supplier audits and multi-batch stability programs helps maintain compliance with both customer-specific criteria and evolving national standards. Supply chain risk management plans now integrate proactive logistics backing and coordinated response to regulatory change, reducing exposure to shipment bans or product recalls stemming from documentation or impurity issues.
Butanol sees use across coatings, resins, plastics, pharmaceuticals, personal care, and specialty solvents. In our operational practice, demand splits between bulk commodity and downstream specialty use.
In paint and coatings, butanol acts as a primary solvent and flow improver. Resin synthesis relies on consistent water content and low aldehyde impurities to prevent coloration and reduce off-odor.
Plastics compounding often calls for grades with minimum ester content, as contaminant esters disrupt polymerization.
Pharmaceutical and cosmetic fields demand high-purity grades. Here, trace metals, aldehydes, and peroxides draw close scrutiny.
For specialty solvents and intermediate manufacturing, requirements may shift, sometimes prioritizing consistent evaporation, defined isomer profile, or tailored moisture limits based on downstream process design.
| Application | Preferred Grade | Key Parameters |
|---|---|---|
| Paints & Coatings | Industrial / Technical | Water content, aldehyde impurities, color index |
| Resin Synthesis | Industrial / High Purity | Water content, total acids, stabilized peroxides |
| Plastics/Polymers | Technical | Ester content, moisture, acidity |
| Pharmaceutical | Pharma / Analytical | Trace metals, organic carbon, individual impurities |
| Personal Care/Formulation | High Purity / Cosmetic | Odor, color, heavy metals, microbial content |
| Specialty Solvents | Custom Specification | Isomer ratio, purity, water, selected volatiles |
In real manufacturing, each application field imposes different technical requirements. We design process controls and final release tests according to use.
Accurate end-use description allows alignment with actual production scale and product function. Each application sets a different threshold for moisture, odor, or trace organics.
Industries such as food contact, pharmaceuticals, or personal care follow national or international frameworks; for example, US FDA, EU REACH, or pharmacopeial standards. Flagging any regulatory or customer audit constraints early reduces rework downstream.
Process strategy adapts to final purity: technical grades permit relaxation on side stream cut separation, while high-purity demands call for additional distillation or post-synthetic filtration. Impurity profiles—selected for either technical or high-purity grades—are benchmarked with actual test results per batch.
Large-volume industrial users often balance cost targets with functional necessity, specifying lower grades except where formulation risk demands more stringent purity. Small-batch or regulated industries usually tolerate higher premium for tight impurity control.
Sample validation bridges production-scale material with real process or formulation performance. In-house technical support can advise on analytical approach, sampling protocol, and cross-lot consistency review before broad adoption.
Long-term production of butanol requires more than routine in-process checks. Our manufacturing sites operate under established quality management frameworks recognized globally, so ongoing audits form part of regular operations. Certification to ISO 9001 is maintained as a mandatory baseline, but day-to-day quality assurance reflects the industrial risks unique to butanol—such as off-spec odor profiles or variable water content linked to distillation efficiency. Each batch release is backed by traceable monitoring logs and deviation records, giving purchasing teams access to the source data substantiating each supply lot.
Industry sectors using butanol—whether coatings, adhesives, or plasticizers—often request compliance evidence targeted to local or sectoral requirements. Product certification for REACH registration, K-REACH, or TSCA inventory status depends on the destination market and application. Each certificate links directly to the actual grade and application requirement—grades destined for pharmaceutical or food-contact synthesizes typically face additional controls on process contaminants, allergy-causing byproducts, and residual solvents, which do not apply to technical or fuel-use streams.
Standard delivery includes full Certificates of Analysis and safety documents tied to the actual batch shipped. Final documentation content depends on the agreement, but common reports include analytical data for water, aldehydes, and isomer distributions that vary due to raw material inputs and run conditions. Upon request, clients have access to long-term trend data, OOS incident histories, and impurity profiles across grade lines. Continuous improvement reports and change notifications reflect plant upgrades, raw material source shifts, or regulatory changes, released in advance to support customer compliance planning.
Consistent supply of butanol depends on upstream integration. By securing consistent access to key raw materials—notably propylene from dedicated cracker units—variation in base feed quality and price is limited, reducing volatility for our clients. Outages, if any, are managed through planned maintenance cycles and not unexpected shutdowns. Partnering terms range from annual contracts for high-volume users to spot arrangements for distributors, supporting both established consumption and fluctuating project-based demand.
Production flexibility comes from modular reactor trains and on-site utilities redundancy, limiting risks from equipment single points of failure. Distillation columns and storage are sized for campaign management of multiple grades—n-butanol, iso-butanol, sec-butanol—so parallel runs and rapid product changeover remain possible without prolonged plant downtime. Long-term off-take agreements with users in downstream sectors are common, helping maintain high utilization rates and aligning output with the actual pull from downstream manufacturing rather than speculative spot sales.
Sample requests can be supported for both commercial and R&D evaluation. Available pack sizes and shipment methods respond to regional transport regulations and customer lab scale. Typical turnaround from request to dispatch results from in-stock grade availability, but for custom quality or process variants, sampling is aligned with production campaign schedules. Documentation supplied with samples matches that of regular shipments, including batch-specific test results so customers evaluate under conditions matching routine supply.
Flexibility in supply begins at the contract stage, where clients may choose from fixed-term supply, rolling releases, VMI (vendor-managed inventory) partnerships, or secured call-off agreements, accommodating procurement policies from JIT (just in time) to strategic buffer stock. Where customers alter grade requirements or shift project timelines, batch splits and adaptive delivery windows are available. For clients facing multi-site operations, coordinated logistics can synchronize releases, helping reduce on-site storage needs and simplifying internal compliance paperwork, particularly for regulated markets needing batch traceability from plant floor to use-point.
Technical teams across leading production sites track catalyst performance, feedstock flexibility, and byproduct minimization strategies for butanol. C4 alcohols manufactured by oxo synthesis show distinct impurity profiles, often linked to raw material quality and catalyst lifetime. R&D teams currently invest substantial resources into reducing aldehyde and unsaturated alcohol carryover by improving selectivity at each reaction stage. There is strong demand for process models that predict yield variations under fluctuating syngas and propylene purity levels. In parallel, bio-based butanol receives active attention, but process economics and downstream purification remain limiting steps for scale-up projects.
End-users in solvent markets push for enhanced evaporation rate control in coatings and adhesives. Specialty derivatives for plasticizers, hydraulic fluids, and lubricant esters call for specific compositional adjustments and lower residuals of heavier alcohols. Electronics and pharmaceutical sectors approach the manufacturer for grades compatible with ultra-trace impurity requirements uncommon in conventional offerings. Recent collaborations target the modification of butanol blends for use in high-octane fuels and alternative energy storage—an area drawing new regulatory scrutiny over minor byproducts and blending stability.
One of the most persistent challenges is balancing throughput with selectivity in multi-reactor systems. Reactor fouling and heat balance control at scale drive ongoing investments in process analytics and in-line monitoring. Manufacturers frequently report that deviations in feedstock composition, especially in integrated petrochemical complexes, affect downstream purification loads and influence operational costs. Breakthroughs have come in membrane-assisted separations, reducing energy loads in rectification columns and improving batch-to-batch consistency for high-purity grades. In-house QC labs have also enhanced real-time detection of trace aldehydes, enabling quicker product release cycles for critical markets.
The C4 chemicals segment faces cyclical trends influenced by fuel blending mandates, coatings demand, and macroeconomic cycles in plastics and construction. Butanol consumption shows the strongest resilience in regions with rising automotive and infrastructure investment. Over the next three to five years, producers expect modest volume growth, driven largely by specialty applications and stringent product purity standards in value-added derivatives. Regional dynamics will require plant operators to adjust supply logistics and manage feedstock sourcing strategies to buffer against volatility in upstream propylene and natural gas markets.
Continuous plant upgrades focus on advanced process integration, energy recovery, and digital monitoring tools. Proprietary catalyst formulations vary by license holder, with newer generations showing improved conversion efficiency and operational lifetimes. Emphasis remains on modular reactor design for flexible throughput and maintenance. Bio-process routes are under technical review, but commercial readiness depends on regional substrate cost and regulatory drivers supporting non-fossil feedstocks. Producers closely monitor emissions profiles and invest in closed-cycle systems to address VOCs and waste minimization.
Product stewardship programs direct attention towards lifecycle impact of butanol grades, from raw material traceability to end-of-life solvent recovery. Audits of carbon intensity and waste treatment strategies extend across sites. Where possible, plant operators replace traditional chemical auxiliaries with more benign alternatives to reduce hazardous effluent, and some facilities now pilot biogenic carbon feedstock integration. Market trends increasingly reward grades produced with low-carbon energy and sustainable auxiliary use—an area that requires ongoing verification and reporting at the manufacturer level.
Industrial users often require expert guidance during initial plant qualification or new formulation trials. Technical support engineers address queries related to process compatibility, suitability of specific production routes, and storage/handling best practices, linking feedback directly to lab and plant data. Consultations cover not just the generic properties of butanol, but also specific impurity profiles based on production line and grade, helping users avoid downstream processing issues.
Each formulation environment responds uniquely to butanol’s solvent character and reactivity. Support teams work with customers to fine-tune dosing strategies, blending protocols, and compatibility checks for sensitive resins and additives. Feedback loops with R&D allow rapid adjustment of production parameters in response to application challenges, such as haze formation, phase separation, or migration in film applications. Application support is especially critical for new specialty blends requested by electronics or pharma industries, where process contamination must be minimized.
Service agreements extend to troubleshooting, root cause analysis for off-spec shipments, and support during scale-up or seasonal transitions. In cases where impurity spikes or shipment deviations are detected, QC and production units collaborate to isolate batch concerns and implement corrective actions. Detailed product traceability records and retained samples streamline these investigations. The manufacturer’s commitment includes sustained engagement during client audits, product change notifications, and tailored compliance documentation according to end-use sector and location.
At our facilities, butanol production stands on decades of experience with oxo-process technology and precise operational systems. We manage every step ourselves, from raw material input to final packaging, keeping oversight of batch performance and process conditions. Our teams drive output standards through trained operation, inline quality checks, and regular instrument calibration. Output aligns to internationally recognized specifications, serving industrial buyers who need transparency on product behavior in their formulations.
Butanol finds use across a long span of industries. Paints, coatings, adhesives, and cleaning chemicals rely on its solvency and volatility for optimal performance. Resin manufacturers turn to butanol for esterification and plasticizer production. Flexible PVC applications tap it for high purity and moisture stability. Printing ink and extractant processes depend on batch-to-batch predictability for consistent downstream yields. Textile auxiliaries, automotive fluids, and construction chemicals are other frequent destinations for our product. We align production volumes and supply chains according to these real-world application demands, not speculative commodity trends.
Integrated analytics run continuously during batch processes, ensuring any off-spec drifts are identified before product reaches storage or drum lines. Sampling occurs at defined intervals, not only on final stock. Laboratory teams verify key indicators—purity, water content, acidity, and residuals—using standardized methods and documented calibration records. This depth of monitoring helps limit hidden variation and faulty batches. Supervisors track metrics against statistical process controls and review trend logs daily. This approach supports both our internal standards and third-party audits from rigorous buyers.
We operate drum, IBC, and bulk tank loading stations at the plant, allowing rapid turnaround from manufacturing to outbound shipment. Each packaging option matches precise industrial size requirements and logistical formats: tight-head steel drums for solvent handlers, large IBCs for mid-volume processors, and dedicated tankers for downstream synthesis plants. All packaging meets chemical compatibility and cleanout protocols, minimizing contamination risk and ensuring extended shelf life. We maintain in-house logistics teams managing shipment schedules, route planning, and transit risk, reducing wait times and disruption for high-frequency users.
Our experts engage directly with industrial process engineers, formulation chemists, and technical managers. They provide technical documentation, performance history, and troubleshooting based on hands-on knowledge of our process and raw materials. Guidance includes optimal storage, blending techniques, and advice on compatibility with different polymers, resins, or additives. This is not outsourced or generic guidance—it comes directly from the manufacturing and R&D sides of the business, allowing immediate clarity and practical recommendations.
By controlling production and logistics in-house, we help manufacturers reduce their supply risks and manage specification tolerances more tightly. Distributors gain from reliable stock replenishment and fewer product complaint returns, boosting their service profile in the market. Procurement teams find value in the reduced burden of supplier qualification, complete traceability, and regulatory transparency for compliance audits. Across the chain, certainty in specification and consistent output mean fewer production delays, lower rework costs, and simplified batch documentation.
Industrial buyers and partners rely on butanol suppliers whose operations and capabilities are proven every day at their own facilities. By producing, testing, packaging, and supporting this critical solvent directly, we help them keep their manufacturing and service commitments to their customers—without surprises.
Butanol has earned its place as a workhorse solvent and intermediate across numerous industries due to its versatile chemical structure. In our own operation, we focus on the two isomers sought after by most businesses: n-butanol and isobutanol. Each serves distinct applications, so our production lines are set up with flexible purification and quality assurance systems that reflect this demand.
Over the years, we have refined our distillation and scrubbing systems to consistently meet or exceed internationally recognized specifications. We generally classify our butanol products into three main categories based on purity: industrial grade, technical grade, and high-purity or reagent grade.
Our industrial grade n-butanol delivers content levels above 99%. It is best suited for the bulk chemical, paints, adhesives, and plasticizer sectors. Most process engineers are looking for the right balance between technical suitability and cost-efficiency, and our industrial grade reflects that reality.
Technical grade butanol involves tighter impurity limits, including lower amounts of water, aldehydes, and other alcohols. This range supports more demanding work in formulations that might be sensitive to minor side-components—especially in coatings or specialty lubricants. Our lab maintains batch-level records for these grades and runs regular checks using GC and Karl Fischer titration for moisture.
High-purity or reagent grade n-butanol meets the strict requirements of analytical, pharmaceutical, and electronics applications. Here, our purification steps extend beyond standard atmospheric distillation. We use molecular sieves and fine-polishing columns to drive water content below 0.05% and cap total organic impurities below 0.1%. Not every industry needs this level, but those who do count on our batch certificates to align with their own audit trails and regulatory demands.
In manufacturing, it’s not enough to state overall purity. We break down specifications to cover individual residuals: water content, aldehydes (measured as butyraldehyde), acidity, and specific gravity at 20°C. Each batch shipped from our tank farm carries associated data—color, odor, and residue after evaporation are included for downstream compatibility checks. We avoid excessive aromatics and chlorinated by-products through precise fractional distillation and vapor-phase filtration.
Our full-scale GC-MS and Karl Fischer analysis profiles all outgoing cargoes, supplying clients with Certificates of Analysis. If a client requires additional tailored testing or tighter cutoff points, we can back these up with documentation from our in-house QA/QC facility.
We designed our handling system to limit contamination risk. Dedicated lines and stainless steel storage tanks prevent cross-contamination between butanol grades. Standard packaging includes 200-liter drums, 1000-liter IBCs, and bulk isotanks, all purged and inspected before each filling. Clients aiming for even stricter trace impurity targets can request containers pre-rinsed with solvent, a service we have implemented for several pharma and electronics accounts.
One reality we’ve seen is that applications keep evolving. Over the last five years, requests for ultra-low sulfur or halide specifications have increased. We listen to technical feedback from clients and adjust our purification and analytical routines accordingly. Industry standards set the minimum; our own investments in online monitoring help us stay ahead.
Our experience has shown that supplying butanol isn’t a one-size-fits-all business. We’re prepared to adapt, providing precise, transparent technical details and custom analysis to match each customer’s operational needs, with the documentation and reliability demanded by the strictest sectors.
Butanol moves out of our production lines in packaging configured for industrial operations. Over decades, our filling and logistics team has handled a wide spectrum of demand. Industry standard for butanol packaging remains the steel drum—our lines output 165 kg (around 200-liter) drums, sealed and batch-labeled for shipment. Clients with high-volume requirements find IBCs (Intermediate Bulk Containers, 1,000 liters) practical for consolidated storage and transfer. For higher-throughput bulk users, we load direct into ISO tank containers. This approach minimizes repackaging and secures chemical integrity during transit. Those ordering in smaller quantities often rely on drums for ease of on-site handling, but large processors requiring consistent supply reach for tanks to fit tighter production schedules and centralized dispensing systems.
Every pail, drum, or bulk unit rolling off our lines passes through a calibrated filling and QC system. We use anti-static liners and closures that prevent contamination—moisture and air exposure can compromise product quality, so every seal and gasket is selected for chemical compatibility. Product traceability starts with the raw materials and runs straight through to the lot code printed on every packaged unit, an industry minimum for traceability and customer audit requests. Bulk containers receive dedicated cleaning before filling; we routinely test vessel integrity and vapor containment after each cycle. This level of vigilance reflects both regulatory compliance requirements and our own decades of customer feedback.
Lead times for butanol orders track global feedstock and shipping cycles. In stable market conditions, standard drum or IBC orders process and ship in under a week for recurring accounts—sometimes faster when product is moving straight from the filling line. Bulk ISO tank orders, especially export shipments, often fall within the two-to-three week window, influenced by port schedules and customs documentation cycles. For high-demand seasons or rapid market fluctuations—sudden stoppages at upstream producers, or logistical slowdowns—lead times might extend, especially on large-volume requests. Our operations team works closely with customers placing scheduled volume contracts, locking in both calendar slots and material allocations to ease supply shocks.
To handle spikes in order volume, we keep buffer inventory of technical grade butanol and spare capacity on drum and IBC lines. This practice lets us pivot rapidly when a customer’s plant ramp-up or unplanned maintenance event calls for urgent delivery. Through regular audits of both raw material purchasing and finished goods stores, we identify potential bottlenecks and realign production runs, sidestepping most delays that would otherwise impact downstream processors.
Over the years, we have refined order workflows so production staff, technical sales, and logistics communicate directly, without siloed information. This brings two benefits: miscommunication on fill specs or shipping format rarely holds up an order, and the customer can obtain updates on stock movement straight from facility dispatch. Customers seeking custom packaging formats—whether small containers for laboratory use, or bulk railcar loads—often share their long-term consumption patterns and storage setup. This direct dialogue has allowed us to standardize on formats that serve the most common plant configurations in the markets we support.
Industry buyers tell us reliable fulfillment and predictable lead time outweigh minor price fluctuations, especially for planned production runs or contracted volumes. Flexibility is built into our scheduling, but it is operational discipline—routine plant maintenance, continuous equipment monitoring, on-hand stock management—that maintains our pace. These details shape the daily rhythm in our facilities and underscore our commitment to continuity in butanol procurement for downstream users, laboratories, and processors.
Manufacturing Butanol places full responsibility on us for its safe storage. We follow real-world guidelines, not just regulatory frameworks. Butanol is flammable and emits fumes, so we store it in cool, ventilated areas away from ignition sources. Our storage tanks and packaging carry clear hazard labeling and grounding systems to reduce electrostatic discharge risk. The bulk product typically goes into stainless steel or coated carbon steel tanks, because these materials handle Butanol’s solvent properties without issue over years of operation.
We handle drum storage as well. Our teams limit stacking to prevent drum deformation and leaks. When transferring to customer-sized containers, our systems control vapor emissions. We keep spill control and fire suppression gear on standby. These steps reduce incidents and eliminate excuses—risk management is non-negotiable.
We supervise every link in the Butanol shipping chain. Shipping regulations identify Butanol as a flammable liquid, so we use dedicated, cleaned tank trucks and ISO containers equipped for chemical hauling. Our drivers undergo recurrent safety training and carry documentation that identifies the UN code and critical handling instructions. The transport route avoids densely populated locations when practical.
We enforce strict insulation and vent controls for the tankers and containers, especially in summer, since vapor pressure spikes in heat. To avoid cross-contamination, our policy forbids backhauling with incompatible goods. Each shipment comes with accurate, up-to-date safety data paperwork. If a customer requests custom packaging, our packaging engineers review and approve the solution so that it meets both our standards and the current regulations.
For export shipments, our compliance staff tracks global rules on labeling, packing, and documentation. Our customs declarations and GHS-compliant labels prevent customs hold-ups and guarantee customer delivery times.
Compliance sits at the center of how we operate, not at the periphery. We audit our processes and train staff regularly on the OSHA and EPA standards for hazardous material handling. Authorities update rules frequently, and so do our protocols. We address REACH, TSCA, and related international requirements at the product design stage, so our Butanol meets the highest bar before it leaves our site.
We track and record lot data for every batch in our electronic system. Our tracking covers batch origin, container type, driver logs, and delivery records. This way, in the rare event of a recall or audit, we can identify everything downstream from source to end-user.
Butanol doesn’t tolerate shortcuts. Leaks and vapors can turn routine tasks into safety incidents. Our investment in employee training, electronic logging, and emergency response gear has paid off. By participating in industry groups and regulatory hearings, we help shape practical standards. Our engineers respond quickly to customer questions about new uses or shipping destinations, and we can provide detailed specifications or regulatory clarifications for any order, domestic or global.
Anyone who manufactures Butanol, as we do, knows compliance, safety, and delivery intertwine. Our commitment to direct oversight, real safety investments, and transparent documentation sets a standard that avoids costly errors and keeps everyone safer—our people, our customers, and the communities where we operate.
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