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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 | 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. |
Applications of 2-Methyl-1-Butanol in Industrial ManufacturingAs 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 OilsEngine 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
Typical usage ratio
Downstream process integration
Final product types
2. Plasticizer Manufacture for PVC and Flexible PlasticsSpecialty 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
Typical usage ratio
Downstream process integration
Final product types
3. Coating Solvent Systems for Automotive and Industrial PaintsPaint 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
Typical usage ratio
Downstream process integration
Final product types
4. Flavor and Fragrance Ester ProductionAromatics 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
Typical usage ratio
Downstream process integration
Final product types
5. Chemical Intermediate in Pharmaceutical SynthesisPharmaceutical 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
Typical usage ratio
Downstream process integration
Final product types
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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.