Products

2-Methyl-1-Butanol

    • Product Name: 2-Methyl-1-Butanol
    • Alias: active amyl alcohol
    • Einecs: 201-206-0
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    922761

    Chemical Name 2-Methyl-1-butanol
    Synonyms sec-Isoamyl alcohol, active amyl alcohol
    Molecular Formula C5H12O
    Molar Mass 88.15 g/mol
    Cas Number 137-32-6
    Appearance Colorless liquid
    Boiling Point 128-130 °C
    Melting Point -114 °C
    Density 0.809 g/cm³ at 20 °C
    Solubility In Water Moderate (14 g/L at 20 °C)
    Refractive Index 1.408 at 20 °C
    Flash Point 41 °C (closed cup)

    As an accredited 2-Methyl-1-Butanol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 2-Methyl-1-Butanol is packaged in a 500 mL amber glass bottle, sealed with a red screw cap and hazard labels.
    Shipping 2-Methyl-1-Butanol is shipped in tightly sealed containers, typically made of glass or high-density polyethylene, to prevent leakage and contamination. It is transported in accordance with regulations for flammable liquids, kept away from heat sources and incompatible materials. Proper labeling and documentation ensure safe handling during transit.
    Storage 2-Methyl-1-Butanol should be stored in a cool, dry, well-ventilated area away from sources of ignition and incompatible materials such as strong oxidizers. Keep the container tightly closed and properly labeled. Store away from direct sunlight and heat sources. Use appropriate containers, typically made of glass or metal, to prevent leakage or contamination. Follow all relevant safety and chemical storage guidelines.
    Application of 2-Methyl-1-Butanol

    Applications of 2-Methyl-1-Butanol in Industrial Manufacturing

    As a global manufacturer of 2-Methyl-1-Butanol, we support downstream industries with high-purity material designed for integration into advanced formulations and production lines. This section details the principal industrial application scenarios for this selective aliphatic alcohol, based on our technical data, customer collaborations, and compliance with relevant international standards.

    1. Synthetic Lubricant Additives for Engine Oils

    Engine oil blenders and formulators utilize our material as a co-base fluid and viscosity modifier, improving cold start properties and oxidation stability. Refineries blend this alcohol into polyol ester and polyalkylene glycol lubricant bases during esterification and transesterification steps. This helps manufacturers meet the demanding performance requirements for next-generation automotive and industrial lubricants, ensuring thermal and shear stability across a wide service temperature window.

    Industry compliance standards

    • ACEA European Oil Sequences
    • API Engine Oil Licensing and Certification System
    • ILSAC GF Series (Japan/US OEMs)
    • ISO 9001:2015 Quality Management for lubricant production

    Typical usage ratio

    • Dosage: 3–8% w/w in formulated base stocks; adjusted according to SAE grade and OEM specification

    Downstream process integration

    • Incorporated at the esterification reactor stage or post-treatment blending, monitored through kinematic viscosity and volatility QC checkpoints

    Final product types

    • Fully synthetic gasoline and diesel engine oils (API SN/CF, ACEA A3/B4)
    • Hydraulic fluids meeting ISO 11158
    • Compressor lubricants for industrial use

    2. Plasticizer Manufacture for PVC and Flexible Plastics

    Specialty chemical producers employ this C5 alcohol as an intermediate in the synthesis of phthalate and non-phthalate plasticizers. It reacts with phthalic anhydride, adipic acid, or other polycarboxylic acids to yield esters with improved migration resistance and cold flexibility. Our technical support team assists manufacturers in process optimization for use in high-performance, low-volatility plastic formulations.

    Industry compliance standards

    • REACH Annex XVII (EU Restrictions on hazardous phthalates)
    • 21 CFR 177.2600 (FDA regulation on rubber articles for repeated use)
    • RoHS Directive 2011/65/EU (electronics plasticizer restrictions)
    • ISO 9001:2015 and ISO 14001:2015 (production, environmental management)

    Typical usage ratio

    • In phthalate or adipate production: 20–30% molar ratio relative to acid anhydride; final PVC formulations: 10–35 phr (parts per hundred resin) depending on flexibility target

    Downstream process integration

    • Charged into esterification reactors with acid feedstock, catalyzed under inert gas with continuous distillation of water by-product; plasticizer ester then blended into PVC compounding lines

    Final product types

    • Flexible PVC cables and insulation
    • Automotive interior trim sheets
    • Medical device tubing meeting USP Class VI

    3. Coating Solvent Systems for Automotive and Industrial Paints

    Paint and coatings formulators select this branched alcohol for use as a slow-evaporation co-solvent and flow agent in solventborne systems. It enhances flash-off control and solubility profiles with acrylic, alkyd, and polyurethane resins, helping manufacturers achieve smoother film formation and reduced surface defects. Batch QC confirmatory tests focus on gloss, flow-out, and orange peel suppression.

    Industry compliance standards

    • VOC content limits per EU Directive 2004/42/EC
    • ASTM D823 (Practice for Producing Films of Uniform Thickness of Paints)
    • ISO 12944 (Corrosion protection of steel structures by protective paint systems)
    • Automotive OEM technical approval standards (e.g., DBL, GMW)

    Typical usage ratio

    • 3–10% by weight in total solvent blend; adjusted for film thickness and ambient temperature at application site

    Downstream process integration

    • Added after pigment dispersion, during let-down stage of paint production; in automated mixing tanks under VOC emissions control

    Final product types

    • Automotive OEM and refinish basecoats and clearcoats
    • Industrial maintenance enamels
    • Heavy-duty anti-corrosion primers

    4. Flavor and Fragrance Ester Production

    Aromatics and specialty ingredient firms use 2-Methyl-1-Butanol as a critical alcohol for synthesis of fruity, apple-like esters for food-grade and perfumery applications. Our controlled low-odor, low-acid grade serves esterification producers needing high sensory purity and compliance with international food safety standards. In-line GC and sensory panels verify product acceptability prior to shipment to flavor houses and fragrance blenders.

    Industry compliance standards

    • FCC (Food Chemicals Codex specification for food ingredient purity)
    • ISO 9235 (Aromatic natural raw materials for fragrance)
    • IFRA Standards (International Fragrance Association)
    • FSSC 22000 / ISO 22000 food safety management

    Typical usage ratio

    • Typically 1–10% as alcohol moiety in synthetic ester reactions for flavor; customized based on target aroma intensity and regulatory limits per end market

    Downstream process integration

    • Charged into esterification reactors with natural or synthetic acids, using food-grade catalysts and recovery systems; final esters distilled and filtered for clarity and odor before blending into master fragrances or flavoring systems

    Final product types

    • Fruit and apple flavor esters (e.g., 2-methylbutyl acetate) for beverages and confectionery
    • Perfume and eau de toilette concentrate bases
    • Scented household cleaning agents

    5. Chemical Intermediate in Pharmaceutical Synthesis

    Pharmaceutical intermediates manufacturers leverage our high-purity grade as an alkylating or blocking agent during multi-step syntheses, particularly for chiral pharmaceutical building blocks and active ingredients. Full COA and trace analytical support ensure compliance with European and US pharmacopeial regulations for excipient and precursor purity.

    Industry compliance standards

    • USP-NF (United States Pharmacopeia–National Formulary)
    • Ph. Eur. (European Pharmacopoeia)
    • ICH Q7 (GMP for APIs and intermediates)
    • 21 CFR Part 211 (US FDA cGMP for finished pharmaceuticals)

    Typical usage ratio

    • 0.5–3 molar equivalents relative to the reactive intermediate; ratio optimized for yield and selectivity in each synthesis route

    Downstream process integration

    • Added during targeted condensation, alkylation or protection/deprotection steps under controlled temperature and inert atmosphere; removal tracked by residual solvent analysis and final API impurity profiling

    Final product types

    • Chiral pharmaceutical intermediates
    • Specialty APIs (Active Pharmaceutical Ingredients)
    • Bulk excipient raw material batches

    Free Quote

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    Email: admin@ascent-chem.com

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    Certification & Compliance
    More Introduction

    Our Deep Experience with 2-Methyl-1-Butanol: From Factory Floor to Industry Solution

    Understanding 2-Methyl-1-Butanol at Production Level

    Years on the factory floor have shaped the way we approach 2-Methyl-1-Butanol. Our team’s hands-on practice has built real knowledge about what makes this molecule stand out. Unlike its straight-chain peers, like 1-pentanol, the branching in 2-Methyl-1-Butanol changes the conversation in processing and performance. Each distillation run gives us direct feedback about how it moves through equipment, how its odor and solvency interact with raw materials, and where small shifts in temperature or feedstock quality matter.

    Many chemists will recognize 2-Methyl-1-Butanol under its CAS number 137-32-6. Our batches consistently meet high-purity marks, with specific gravity and distillation ranges held tight by process control. We monitor for main impurities, know the signature of water content picked up in storage, and adjust vacuum levels to hit the right cut points. These operational details all make a difference to downstream customers who expect a clear, colorless liquid that behaves the same from drum to drum.

    Why Our Approach to Quality Matters for 2-Methyl-1-Butanol

    Large chemical facilities need solvents that arrive without surprises. Synthetic processes can fail when batches of 2-Methyl-1-Butanol vary in purity. We see how even trace differences influence yields in the production of specialty esters, resins, or flavors. Customers in the flavor industry, for instance, have flagged off-flavors from isomeric contamination more than once over the years. These lessons forced us to improve our fractionation and start more rigorous tank inspections.

    Our manufacturing line includes online gas chromatography monitoring, a tool we invested in after a run of complaints about instability in boiling range. This sort of equipment lets us catch early shifts in content—before they become field issues. From the operator’s point of view, near-continuous analytics turn guesswork into real control. People in purchasing or production often overlook these details, but we find direct discussion about instrument readings keeps technical teams on the same page.

    Solvent Performance: Where Branching Makes an Impact

    In the daily grind of solvent use, 2-Methyl-1-Butanol shows properties that other similar alcohols just can’t match. Its modest water solubility, for instance, affects how it coalesces in extraction or separation units. Formulators looking for balanced polarity choose it for dissolving resins that plain butanol or pentanol can’t tackle. In coatings, the subtle shifts in evaporation rate provide drying behavior that lands between 1-pentanol and isoamyl alcohol.

    Our plant managers have seen the same story: batches of resin or ink that mix and flow better simply because 2-Methyl-1-Butanol brings the right balance of volatility and solvency. In herbal and flavor industries, certain aromatic esters form better from this base alcohol, giving richer notes than you get from less branched structures. The molecule’s slight branching also reduces sharpness in odor—a small, but important, factor in environments where worker comfort counts.

    Comparisons with Linear and Branched Alternatives

    As manufacturers, we test solvents in-house with our R&D team, not just in the lab but during full-scale production runs. 1-Pentanol and isoamyl alcohol often show up in the same application guides as 2-Methyl-1-Butanol, yet every operator who handles them learns the nuances. 1-Pentanol boils at a higher temperature and can create longer drying times in coatings. Isoamyl alcohol, with more branching, gives a stronger odor and feels oilier on the hands—qualities that may clash with certain downstream processes.

    2-Methyl-1-Butanol’s structure strikes a sweet spot. Its moderate volatility offers enough open time for paints without slowing final cure. Its odor profile—subtle, lightly fruity—gets picked every season in fragrance and food plants that value sensory neutrality. Technical staff put it through compatibility testing in formulations that struggle with gelling or separation, because it often solves solubility problems linear alcohols can’t. These subtle but critical differences surface only after repeated testing at scale, not just in glassware on a bench.

    Grade and Application Know-How from the Factory

    Across years of plant audits and customer site visits, our technical service crew has traced back many processing headaches to solvent inconsistencies. We keep to the tightest possible specs for water content, acid number, and non-volatile residue, because sensitive end uses—perfume ingredients, plasticizers, and specialty esters—have no room for contamination.

    Industrial customers value the details: 2-Methyl-1-Butanol that stores well, resists pickup of water, and pours easily in all seasons. Poor grades can grow cloudy as water or dirt slip through weak transfer lines in transit. We’ve spent real effort on tank cleaning, drum selection, and shipping protocols. It all shows up on customer lines as clarity and batch-to-batch reproducibility.

    Technical teams in adhesive and coatings factories run acceptance checks for volatility, color stability, and impurity profiles. Our production protocols support these targets. We pick up direct feedback and have reworked our fractions after adhesive customers pointed out how trace fusel oils altered their final product’s performance in up-close bonding tests.

    Supporting Process Development and Sustainability

    Decades of supplying and troubleshooting in plant environments have taught us that small details in solvent quality have ripple effects across batch runs. Our operators understand which grades let batch esterification finish cleanly, without persistent haze or unwanted side-products. A single poorly-controlled impurity can trigger process downtime or batch rework. Keeping distillation columns tuned and monitoring shipment conditions count as much as the synthetic path in upstream manufacturing.

    Sustainability teams ask us about greener options. We’ve participated in trials evaluating bio-based alcohols as feedstocks for 2-Methyl-1-Butanol production. While fossil-based synthesis remains most reliable for now—thanks to feedstock stability and controllable quality—we see real promise in renewable pathways. Our engineers monitor every run for signs that switching raw materials impacts side-product formation or product color. We weigh these factors before shifting any commercial batches, knowing downstream partners depend on tight spec.

    Solvent loss handling, air emissions, and waste water are real. Every improvement in process efficiency and recovery finds its way back into reduced environmental footprint and cost. Site teams take pride in shaving points off our mass balances, and we share this data directly with large-volume consumers who want to track sustainability with real numbers.

    Practical Realities in Bulk Supply and Logistics

    Delivering 2-Methyl-1-Butanol at scale presents its own set of logistical challenges. Our loading managers supervise every tank truck and container fill for signs of cross-contamination or residue from previous loads. On-site, our dedicated storage tanks prevent the finished product from picking up water or oxygen, two factors known to alter color and odor over time.

    In practice, downstream users often need advice on storage conditions. High-purity 2-Methyl-1-Butanol benefits from dry, cool, and shaded storage, as even a few weeks of heat exposure can nudge acidity or promote subtle degradation. Part of our customer service involves reviewing warehouse conditions and suggesting small changes in drum stacking and ventilation patterns. In joint troubleshooting, we’ve found that what appears to be an off-spec incident often tracks back to overlooked warehouse leaks, not upstream manufacturing.

    Schedules and planning get tested by fluctuations in demand from the flavors, fragrances, and coatings sectors. The ability to ramp up without knocking quality or safety off target depends on a well-organized production crew and data from every run. We have learned that buffer inventory and careful raw material monitoring save stress during the seasonal spikes, sometimes triggered by agricultural cycles or changes in regulatory policy.

    Working Direct with Technical Staff and R&D

    Many customers bring us into conversations with formulation and R&D groups before scaling up new projects. Our chemists spend time clarifying solvent purity expectations, how pH and trace organic acids affect catalysis, even the drying methods that best prevent haze in finished blends. We keep samples from every major production lot on file and offer rapid retesting if blend issues arise. Meetings are less about selling and more about solving complex practical questions.

    Sometimes customers need modified grades, with adjusted boiling ranges, lower aldehyde counts, or reduced sulfur traces. We can fine-tune manufacturing parameters or carry out extra polishing steps, though these options always go hand in hand with cost and lead time trade-offs. Our position as direct manufacturers means we respond to this level of technical feedback fast, compared to distributors who must fit within secondary supply chains.

    Trial runs for new applications—bio-based plasticizers, custom fragrances, or solvent blends—happen at pilot and commercial scale with frequent sample pulls. Our on-site applications lab carries out in-depth tests, both for us and for customer confidence. Over time, delivering technical support on-site or remote has sharpened our understanding of why end-users value details in the supply experience as much as the basic chemical itself.

    Insights from Batch Troubleshooting and Continuous Improvement

    People outside chemical manufacturing often miss just how quickly process conditions impact finished solvent. A slight misstep in distillation can create color or odor shifts, and these minor defects become batch failures in tightly regulated fields like food ingredients or specialty additives. On one occasion, an unexpected cool-down in our reboiler led to elevated fusel oil content—identifiable only with operator vigilance and real-time analytical checks.

    Plant downtime, off-spec batches, and field rejects have all driven us to overhaul how we monitor process control and clean storage facilities. Direct ties to the production environment—not just sales—force us to think about cost, safety, and user experience all at once. We encourage technical teams to share even minor deviations they spot, as these can lead to meaningful improvements in both operation and communication.

    Industry Perspectives: Regulation, Safety and Future Trends

    Strict oversight follows the manufacture and transport of solvents like 2-Methyl-1-Butanol. Regulatory agencies emphasize traceability and quality assurance with increasing scope, particularly for solvents touching food, feed, and sensitive coatings. As direct producers, we keep full records from raw material entry through distillation to final shipment. Periodic surprise audits and certification checks have compelled us to double down on batch documentation and digital tracking systems.

    Safety in handling remains central. Operators rely on precise training for proper drum labeling, spill control, and incident response. Routine drills and review of safety protocols remain as important now as they did decades ago. We invest in updated training, not just for compliance, but because effective safety culture reduces downtime and lowers insurance risk—a bottom-line factor often overlooked by companies buying through non-manufacturing channels.

    As industry trends shift toward “greener” products and traceability, 2-Methyl-1-Butanol sits in the crosshairs of innovation and scrutiny. We remain open to feedback and trials involving bio-derived feedstocks, but we caution that switching to renewables requires full side-by-side validation against fossil-based material to prevent surprises in downstream processes. Lessons learned in past product launches become part of team training, helping us avoid repeat incidents and ensure readiness for evolving regulations.

    Direct Feedback Loops: Value from Factory to End-User

    Living the day-to-day reality of chemical manufacturing, we value direct feedback more than generic specification compliance. Our regular customers flag small issues—a hint of haze, trace odor, or change in pouring time—because they know we listen and adjust processes. This loop allows us to spot patterns and test changes on the line, instead of waiting for complaints to pile up.

    Site visits, regular sampling, and openness about plant changes build real partnership. When coatings formulators or flavor houses run into trouble, we often ship custom samples with expedited testing, then follow up with engineering support. This hands-on system has created relationships lasting across decades and market cycles. Through open channels, customers trust we will spot and fix small problems before they grow.

    Final Thoughts: The Role of Manufacturer in Shaping Industry Solutions

    A chemical like 2-Methyl-1-Butanol offers many possibilities, but successful use depends on more than just a nameplate. Everything from precise boiling point to subtle odor and impurity control affects whether a manufacturer or end-user gets repeatable, reliable results. We put our name on each batch sent out, backed by real experience on the factory floor and a drive to solve problems, not just ship drums.

    Every day, new industries and applications test the limits of solvents, and with each inquiry, we draw on our experience as direct manufacturers—using feedback, analytics, and process tweaks to solve practical challenges. Technical teams across flavors, coatings, plastics, and new materials rely on these details. This hands-on, data-driven approach ensures that every shipment of 2-Methyl-1-Butanol leaves our facility ready to meet the changing demands of the world’s industries.

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