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2-Methyl-1-Butanol

    • Product Name 2-Methyl-1-Butanol
    • Alias active amyl alcohol
    • Einecs 201-204-4
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
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    Specifications

    HS Code

    111811

    CAS_Number 137-32-6
    Molecular_Formula C5H12O
    Molecular_Weight 88.15 g/mol
    IUPAC_Name 2-Methyl-1-butanol
    Appearance Colorless liquid
    Boiling_Point 128°C
    Melting_Point -90°C
    Density 0.81 g/cm3 (at 20°C)
    Solubility_in_Water Slightly soluble
    Flash_Point 36°C (closed cup)
    Odor Alcoholic, mild
    Vapor_Pressure 5 mmHg (at 25°C)

    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 Amber glass bottle containing 500 mL of 2-Methyl-1-Butanol, sealed with a screw cap and labeled with hazard and safety information.
    Shipping 2-Methyl-1-Butanol is shipped as a flammable liquid, typically in tightly sealed, chemically compatible containers, such as HDPE bottles or metal drums. It must be handled according to local and international regulations, labeled with appropriate hazard warnings, and transported under well-ventilated, temperature-controlled conditions to prevent leaks and exposure to ignition sources.
    Storage 2-Methyl-1-butanol should be stored in a tightly closed container in a cool, dry, well-ventilated area, away from incompatible substances such as strong oxidizers and acids. Keep away from heat sources, open flames, and direct sunlight. Store at room temperature and ensure proper labeling. Avoid storing near sources of ignition, and use appropriate grounding and bonding for containers.
    Application of 2-Methyl-1-Butanol

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

    2-Methyl-1-Butanol functions as a key intermediate and functional additive in multiple chemical production sectors. As an established manufacturer, we support leading downstream industries through stringent compliance and technical expertise, enabling high-yield integration from raw material reception to finished product delivery.

    1. Plasticizer Synthesis for Specialty Polymers

    Primary demand exists in the manufacturing of specialty esters used as plasticizers for high-performance polymer films and resins. Chemical processing lines incorporate 2-Methyl-1-Butanol as an alcohol reactant during esterification with phthalic anhydride or adipic acid. This alters the flexibility and migration resistance properties of PVC, cellulose acetate, and other engineering plastics, matching strict regulatory and performance criteria. Operators closely monitor water content and purity to avoid side-reactions that could affect plasticizer functionality or stability.

    Industry compliance standards

    • EU REACH Regulation (EC) No 1907/2006
    • US TSCA (Toxic Substances Control Act)
    • ISO 9001:2015 for production traceability
    • RoHS Directive 2011/65/EU for electrical and electronic equipment applications

    Typical usage ratio

    • Used at 1.1–1.2 molar equivalents per diacid in esterification reactions
    • Adjust dosage based on molecular weight target and downstream blend viscosity
    • Batch or continuous feed rates set at 15–30% of total reactant load depending on process scale

    Downstream process integration

    • Direct addition to hot melt reactors for in situ ester synthesis
    • Purification and phase separation sequencing with distillation columns for yield maximization
    • Transfer to extrusion or compounding facilities for final incorporation in plastics

    Final product types

    • Flexible PVC flooring materials
    • Cellulose acetate eyeglass frames
    • Wire and cable insulation compounds
    • Automotive molded interior parts

    2. Lube Oil Additive Manufacture

    Downstream producers rely on 2-Methyl-1-Butanol as a building block for high-performance lube oil additives. It serves as a mid-chain alcohol in the production of synthetic esters and dispersant intermediates crucial in modern engine oil formulations. Plants employ controlled transesterification and alkylation to generate esters with improved temperature and shear stability, directly impacting oil life and mechanical wear characteristics. Close monitoring of byproduct formation and regular in-process QC sampling is essential to meet sector-specific reliability demands.

    Industry compliance standards

    • API Group II and III lube oil compatibility (American Petroleum Institute)
    • ACEA (Association des Constructeurs Européens d’Automobiles) additive approval
    • ISO 14001:2015 environmental management for automotive lubricants
    • SAE J183 engine oil specification

    Typical usage ratio

    • 5–20% by weight in ester-based additive formulations
    • Adjusted according to finished oil viscosity and service temperature profile
    • Minor content (0.5–2%) as a process intermediate for dispersants

    Downstream process integration

    • Continuous-feed transesterification reactors co-feeding base oils and acids
    • Flash distillation to remove unreacted alcohol following reaction
    • Direct blending with mineral or synthetic oils by lube blending partners

    Final product types

    • High-stability automotive engine oils
    • Industrial gear lubricants
    • Compressor protection fluids
    • Hydraulic system oils

    3. Flotation Agent Production for Mining & Metallurgy

    Major mining chemical companies adopt 2-Methyl-1-Butanol as a selective frothing agent during the mineral flotation process. Its molecular structure optimizes froth formation, reduces surface tension, and promotes selective attachment of hydrophobic particles for copper, lead, and zinc ore beneficiation. Controlled input rates are critical for process stability and recovery efficiency, making monitoring of purity, volatility, and compatibility with other flotation reagents necessary across production cycles.

    Industry compliance standards

    • OECD Environmental, Health, and Safety Guidelines for Mining
    • ISO 14001:2015 mining site environmental management
    • US EPA List of Approved Flotation Agents (for effluent management)
    • National mining health and safety codes (e.g., MSHA CFR 30 for the US)

    Typical usage ratio

    • Applied at 10–60 g/ton of ore processed, depending on ore grade and mineralogy
    • Dosage tuned to flotation cell configuration and water recycling rates
    • Continuous injection via metering pump systems

    Downstream process integration

    • On-line addition at the conditioner or directly to the first flotation cell
    • Integration with collector and modifier dosing protocols
    • Fine-tuning according to mineral surfaces and circuit changes

    Final product types

    • High-grade copper concentrates
    • Lead-zinc flotation concentrates
    • Polymetallic tailing recovery products

    4. Fragrance and Aroma Chemical Synthesis

    Specialty fragrance compounders use 2-Methyl-1-Butanol as a core alcohol reactant in synthesizing esters and aldehydes with desirable olfactory characteristics. Controlled acylation and oxidation reactions yield intermediates with fruity, floral, or green notes suitable for integration into consumer fragrances, detergents, or cleaning agents. Batch purity management, residual solvent controls, and allergen declaration compliance remain non-negotiable from synthesis to final blending.

    Industry compliance standards

    • IFRA (International Fragrance Association) Standards
    • Regulation (EC) No 1223/2009 on cosmetic products (EU Cosmetics Regulation)
    • Good Manufacturing Practice ISO 22716:2007 for cosmetic ingredients
    • REACH Substance Registration for aroma chemicals

    Typical usage ratio

    • 5–30% by weight in synthesis of fragrance esters or aldehydes
    • Adjusted to target aroma intensity and volatility profile
    • Lower loading (1–5%) in final consumer fragrance formulations

    Downstream process integration

    • Introduction as a starting alcohol in esterification or oxidation steps
    • Distillation and rectification for color and purity improvement
    • Direct blending with aroma bases and fixatives during fragrance compounding

    Final product types

    • Fine fragrances for personal care
    • Perfumed household cleaning agents
    • Laundry softeners with character scents
    • Industrial air freshener bases

    5. Pharmaceutical Intermediate for API Manufacturing

    Leading API manufacturers select 2-Methyl-1-Butanol as a functional intermediate in the synthesis of active ingredients and complex pharmaceutical esters. It enables precise esterification and resolution reactions crucial for process yield and chirality requirements. Utility depends on the maintenance of high chemical purity, low moisture content, and full documentation traceability to support GMP compliance. Production runs often apply in-process HPLC or GC analysis and require validated cleaning procedures to eliminate cross-contamination risk in multi-purpose facilities.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • US FDA 21 CFR Part 211 Current Good Manufacturing Practice
    • European Pharmacopoeia (Ph. Eur.) for intermediate purity grades
    • Certificate of Suitability (CEP) by EDQM for regulated markets

    Typical usage ratio

    • 0.5–5 molar equivalents in esterification or chiral resolution steps
    • Adjusted to reaction selectivity and desired enantiomeric excess
    • Trace-level residual control (<0.1%) in purified API

    Downstream process integration

    • Charged into batch or continuous reactors as an alcohol or phase transfer solvent
    • Captured and recycled in solvent recovery systems following synthesis
    • Subjected to validated removal protocols in API downstream purification

    Final product types

    • Pharmaceutical esters and intermediates
    • Chiral drugs and resolving agents
    • Sustained-release active formulations
    • Regulated veterinary medicines

    6. Solvent for Ink, Paint & Coating Formulation

    Industrial ink and surface coating formulators depend on 2-Methyl-1-Butanol as a specialty solvent. Its balanced evaporation rate, polarity, and compatibility with resins allow tailored solvency for nitrocellulose inks and alkyd paint systems. Operators control solvent addition to manage application viscosities, dry times, and film-forming characteristics under mass manufacturing. In-line blending, tank homogenization, and emissions control remain primary operational priorities for large plants.

    Industry compliance standards

    • EU Directive 2004/42/EC (VOC content limits for paints and varnishes)
    • US EPA 40 CFR Part 59 (National Volatile Organic Compounds Emission Standards)
    • ISO 9001:2015 process traceability for coatings production
    • ASTM D3730 Standard Guide for Solvent Selection

    Typical usage ratio

    • 5–15% by weight in nitrocellulose ink formulations
    • 2–10% as a co-solvent in alkyd and acrylic paint blends
    • Adjusted by required open time, pigment compatibility, and spray equipment specification

    Downstream process integration

    • Inline mixing with pigment dispersions and resin bases
    • Final viscosity adjustments in blend tanks before packaging
    • Evaporation monitoring during coating application on automated lines

    Final product types

    • Industrial screen-printing inks
    • Automotive and machinery enamel coatings
    • Quick-dry architectural paints
    • Packaging gravure inks
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    Certification & Compliance
    More Introduction

    2-Methyl-1-Butanol: A Closer Look at Our High-Purity Alcohol

    Introduction to 2-Methyl-1-Butanol in Manufacturing

    Known for its role in specialty solvents and fine chemical synthesis, 2-Methyl-1-Butanol reflects the careful craftsmanship that goes into every batch we produce. Over the years, tight control of our production line and continuous analytical improvements have let us shape a reliable stream of this branched-chain, five-carbon alcohol. Consistency forms the backbone of any chemical used in sensitive sectors—from flavors and fragrances to high-grade intermediates. Beyond technical claims, we see every kilogram pass hands tested for not only purity, but also stable performance in real-world recipes.

    Unlike larger volume commodities, 2-Methyl-1-Butanol often lands on order sheets for labs and plants where standardization cannot slip. Our teams monitor distillation rigorously, keeping water content and byproducts like n-butanol at a bare minimum. Analytical certifications reflect actual delivered batches, not back-office numbers. We don’t see this as adding paperwork—clean product gives repeat yield, and repeat yield matters whether you run a pilot reactor or scale runs for weeks at a time.

    Key Features and Specifications Drawn From Practice

    Running our drying and fractionating units, we’ve learned specifications out of a book mean little if tanks show drift or filters clog. Our 2-Methyl-1-Butanol typically leaves the plant with a purity above 99%. GC analysis pins range limits for each lot, with impurities kept in check below recognized analytical thresholds. Production hits steady points for density and boiling range, tuned to provide the balance that many formulators rely on. Final characteristics often result from the tweaks made over months of customer feedback and production data. Small differences in aroma or viscosity have led us to refine every valve setting and filtration step, turning “off-spec” returns into learning opportunities for process upgrades.

    Residual moisture represents a challenge in most alcohol manufacturing, so we use vacuum-drying and low-temperature handling to avoid recontamination. This practical step cuts headaches for downstream operations, especially those that need water-sensitive reactions or specialized blends. In the warehouse, open-top drums never stay exposed, and stainless transfer lines get regular checks, since trace metals or foreign particles in high-value alcohols cause unpredictable performance. Others may list single numbers; we hold test reports on color, water content, and aldehydes to help end users dial in continuous results.

    Model and Forms Delivered to Real Projects

    We package 2-Methyl-1-Butanol according to batch size and application. Laboratories need sealed glass or HDPE bottles for analytical work, and our teams ready drums in food-safe plastics for higher-volume clients. Larger bulk transport options span stainless IBC totes and tanker service direct from the reactor to minimize transit risk and handling loss. Every container gets a traceable batch number and certificate for purity, but in addition, we give direct analyst support for each shipment. No amount of paperwork beats a call when a chemist spots a color shift or an off-note; experience tells us that responses measured in hours—not days—hold upstream operations together.

    Usage Rooted in Industrial Practice

    From flavor chemistry to pharmaceutical intermediates and specialty coatings, 2-Methyl-1-Butanol punches above its weight. Flavors and fragrances makers use it for the subtle floral and fruity notes it brings in esters—perfectly suited for greener apple or peach undertones. If a formulator bites into headspace analysis, even minute impurity peaks impact end quality, making reliable 2-Methyl-1-Butanol a silent workhorse behind many household products lacking a harsh profile. We have worked side by side with perfumers and blenders to help keep batch aroma uniform, even as crops and botanicals shift year by year.

    In synthetic chemistry and intermediate manufacture, this C5 alcohol provides both solvent action and reactivity. The secondary alcohol group offers a handle for addition, etherification, or acetylation. Our team maintains reference samples from previous years, so regular buyers can compare sensory and analytical data side-by-side. Feedback on solubility or odor from a handful of pharmaceutical companies led us to fine-tune our filters to suppress off-aromas—something spec sheets never reveal unless customers bring it up.

    Fuel additive researchers frequently reach out regarding octane enhancement application. While 2-Methyl-1-Butanol shares the oxygenate benefits found in other straight and branched butanols, its volatility and burn profile often fit best where emissions or deposit control need tighter parameters. We’ve supported pilot trials in biofuel blends, helping teams review engine test results for phase separation or gum formation. The compounded stability and blend compatibility call for direct conversation, not just shipment; we answer those calls as part of the job.

    Paint and coatings formulators often choose 2-Methyl-1-Butanol for its coupling power—whether aiding flow or improving pigment suspension. In manufacturing, resin compatibility and drying time shape final application, so every supplier must demonstrate a real ability to follow up on oddities: odor retention, yellowing, or accelerated aging. We keep parallel R&D samples on hand to help dissect and resolve any downstream complaint, closing the loop between production and field performance.

    How 2-Methyl-1-Butanol Stands Apart in Actual Use

    Cousins like n-butanol or isobutanol may crowd the industrial palette. Yet the methyl group branching off the main chain in 2-Methyl-1-Butanol brings real-world effects—not just molecular diagrams. The extra carbon shaves volatility, lending a gentler evaporation and lower odor threshold. Cosmetic and fragrance customers notice this instantly, as the alcohol’s profile turns less biting and more agreeable in concentrated blends. In resins, the alkyl branching aids compatibility without the burnout volatility typical of n-butanol. Furniture finishers and auto refinishing techs tell us that less aggressive evaporation cuts surface defects and lifting, a result supported by decades of solvent experience.

    Chemical plants often look for easy substitutes, but applications that call for 2-Methyl-1-Butanol usually demand its tailored fit. N-butanol can push extraction yields, while isobutanol presents a different solubility footprint. We have worked through hundreds of joint lab trials, running head-to-head blends to measure residue, time to dryness, and final color. These efforts reveal that 2-Methyl-1-Butanol consistently bridges technical and sensory needs.

    Environmental and safety regulations raise strict demands on volatiles, and our practices center around transparency and adaptation. Lower toxicity and manageable vapor pressure both appeal to engineers looking to balance process safety with performance. In decades of hazardous material transport, we’ve established robust containment and spill-preventive measures—a daily reality in moving organic solvents. Unlike bulk industrial alcohols with broad grades, our focus hones in on repeatability and traceable QC across each step.

    Some clients seek a 2-Methyl-1-Butanol substitute because of price or logistics, but our partners in the fragrance or specialty pharma fields keep coming back for the same reason: the branching gives a consistent backbone for their synthesis and blending. When tolerances drop from grams per liter to parts per million, the difference emerges not in the catalog, but on the line.

    Continuous Improvement and Customer Collaboration

    Open communication with customers provides the most accurate lens for improvement. After early batches showed minor color drift in the summer, our operations team switched to lower-light transfer and climate-controlled packaging. These changes cut peroxide formation and kept batches clearer, feeding a virtuous circle between plant and end-user satisfaction. Several customers offered feedback on trace metal content after noticing filtration residue. Our R&D lab recalibrated metal detectors and swapped out older gaskets, halving detection levels for the next season—a hands-on solution rooted in joint troubleshooting.

    Where strict aroma control matters, we have established sensory panels that include not just trained staff but users from client plants. These panels compare each new lot with running references, catching off-notes that even sophisticated machines overlook. The decades of nose and palate experience in our team supplement the hard data, building trust that spans both technical and creative fields.

    Long-term partners often turn to us for scale-up support. Academic labs testing sustainable synthesis routes for 2-Methyl-1-Butanol face hurdles bridging gram-scale experiments to multi-ton reactors. We host small-batch pilot runs onsite, letting university chemists or startup engineers get their hands dirty in a production environment. This not only smooths scale-up but sharpens our own protocols, as new eyes highlight inefficiencies and new opportunities for yield boosts. We have supported early work toward renewable feedstock use, tweaking our feed and catalyst strategies with each round of university collaboration.

    Supporting Sustainability and Responsible Practices

    Sustainability claims do not hang on glossy reports alone. We invest in closed-loop recovery, recycling waste streams for use as feed solvents, and using bio-based raw materials when they meet our criteria for purity. It’s a complicated equation between cost, quality, and green credentials—but we have joined several industry consortia to develop biosynthetic routes for 2-Methyl-1-Butanol. Test lots from renewable sources have already rolled off our line, finding their way into pilot batches for food additives and biodegradable surfactants.

    Handling and worker safety are central to our operation. We operate under local and international regulatory frameworks not just for compliance, but because our own people work on the line. PPE use, exhaust ventilation, and continuous air monitoring have become second nature—and anyone entering the plant takes the same refresher courses as our newest hires. Emergency drills and update meetings form a live dialogue rather than a checkbox exercise, building real-world knowledge across staff levels.

    Labor and environmental audits happen on a schedule, and customer invite visits remain open to regular partners. When issues arise—whether batch-to-batch variability, chain-of-custody questions, or unexpected analysis results—we respond not just with reports but through collaborative root-cause investigations. The system isn’t perfect, but it improves year over year, grounded by the continual feedback between operator, manager, and customer.

    Technical Support and Ongoing Relationships

    We know that no two uses of 2-Methyl-1-Butanol ever look quite the same, even if the order form says otherwise. From pigment dispersions to custom esters and food formulations, downstream tweaks often depend on one variable outside of technical sheets—human judgement. Our technical representatives know the production floor and the end-user context, so advice comes not as scripted responses but as a result of hands-on troubleshooting. Some partners have worked with us for decades, trusting our team to spot batch deviation before they do and recommend alternatives if market or supply constraints arise.

    Analytical support goes beyond batch certs and lab reports. We run custom studies for major clients, whether shelf-life prediction, impurity tracking, or application-specific sensory testing. Our investment in in-house GC, Karl Fischer, and spectrophotometric tools stems from constant pressure to back up claims with data. Partners—large and small—often send their own samples for side-by-side runs, and we welcome these challenges, seeing them as a way to strengthen both sides’ protocols.

    The ability to talk through a raw data anomaly or walk through a safety scenario in person is something technology often can’t replace. Many lessons came hard, from misplaced barrels to cold winter production slowdowns. These become stories inside our team, guiding every improvement and training session. Human connections at the dock, the drum, or the analytics bench matter just as much.

    Final Thoughts on Quality and Process Commitment

    Producing 2-Methyl-1-Butanol over the years has shaped our commitment to chemical quality, customer dialogue, and operational excellence. Every improvement in our process—from upgraded distillation units to tighter statistical process controls—starts with a challenge faced by someone mixing, blending, or analyzing our alcohol. Customer experience, not just compliance, sets the direction for our R&D. Facing supply chain volatility, safety demands, and environmental pressure, we have found that the key to high-quality output rests in people, process, and a constant willingness to adjust methods based on real use.

    New requests and applications keep our teams alert. Flavors drift with agricultural trends, fuel programs ask for cleaner blends, and regulation keeps pushing technical boundaries. For every new situation, our philosophy has held steady: strong partnership, transparent data, and hands-on adaptation. We maintain open channels for feedback and troubleshooting, so our 2-Methyl-1-Butanol keeps pace, batch after batch, as customers push applications further.

    Offering 2-Methyl-1-Butanol means more than supplying a chemical. It calls for genuine attention to detail, timely support, and the ability to respond flexibly as needs change. That is how we have kept our reputation with labs, plants, and innovators across so many sectors. We treat every shipment as a direct line between our expertise and what our partners achieve out in the world.