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1-Butyn-3-Ol

    • Product Name 1-Butyn-3-Ol
    • Alias 3-Hydroxy-1-butyne
    • Einecs 203-705-3
    • 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
    VTB
    Specifications

    HS Code

    185785

    chemical_name 1-Butyn-3-ol
    molecular_formula C4H6O
    molar_mass 70.09 g/mol
    CAS_number 927-74-2
    appearance Colorless to pale yellow liquid
    boiling_point 110-112 °C
    melting_point -81 °C
    density 0.891 g/cm³
    flash_point 29 °C
    solubility_in_water Miscible
    refractive_index 1.423
    pubchem_cid 13611
    autoignition_temperature 380 °C

    As an accredited 1-Butyn-3-Ol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 1-Butyn-3-ol is packaged in a 100 mL amber glass bottle with a secure screw cap and labeled hazard warnings.
    Shipping 1-Butyn-3-ol is shipped in tightly sealed containers to prevent leaks and evaporation, under cool and well-ventilated conditions. It is classified as a flammable liquid, requiring appropriate hazard labeling and documentation. Transport must comply with local and international regulations to ensure safe handling and delivery.
    Storage 1-Butyn-3-ol should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible materials such as strong oxidizers and acids. Protect from moisture and direct sunlight. The storage area should be equipped with proper fire suppression systems, and containers must be clearly labeled and handled using appropriate safety precautions.
    Application of 1-Butyn-3-Ol

    Applications of 1-Butyn-3-Ol in Industrial Manufacturing

    As a direct manufacturer of 1-Butyn-3-Ol, we supply this specialty alkyne alcohol to global clients who utilize its unique reactivity in synthesis and formulation across multiple industrial sectors. Below we detail its primary industrial applications, with specific focus on technical compliance, dosage, process positioning, and finished goods.

    1. Pharmaceutical Synthesis Intermediates

    1-Butyn-3-Ol functions in pharmaceutical manufacturing as an alkyne building block for the synthesis of active pharmaceutical ingredients, including antiviral and anticancer compounds. Process chemists incorporate it into Sonogashira, Heck, and other C–C coupling reactions, ensuring precise control of stereochemistry and functional group placement. Our material provides high purity and batch consistency required for strict regulatory scrutiny in global pharma supply chains.

    Industry compliance standards

    • ICH Q7 (GMP for Active Pharmaceutical Ingredients)
    • USP/NF (United States Pharmacopeia/National Formulary) trace impurity requirements
    • European Pharmacopoeia (EP) quality monograph references for starting materials
    • FDA 21 CFR 210/211 process traceability requirements

    Typical usage ratio

    • 0.5%–5% by weight in reaction mixtures, depending on the specific intermediate and target molecule scale.
    • Ratio varies with substrate stoichiometry and downstream yield targets.

    Downstream process integration

    • Dosed during the initial stage of chemical synthesis as a primary reactant.
    • Used in conjunction with transition metal catalysts under inert gas conditions.
    • Material enters the API production line after raw material QC release and pre-formulation blending.

    Final product types

    • Pyrimidine-based antivirals (e.g. used in hepatitis or HIV treatments)
    • Oncology active pharmaceutical ingredients
    • Specialty scaffolds for small molecule drugs

    2. Agrochemical Active Ingredient Synthesis

    Leading agrochemical manufacturers rely on 1-Butyn-3-Ol as a functionalized precursor to synthesize selective herbicides, insecticides, and plant growth regulators. The compound's terminal alkyne enables efficient elaboration to difunctional agroactives under conditions that maximize product yield and reduce process impurities, aligning with environmental controls on manufacturing emissions and worker safety.

    Industry compliance standards

    • FAO/WHO Specifications for Agricultural Pesticides
    • REACH Annex XVII and SVHC regulations for raw material handling
    • ISO 9001:2015 (Chemical manufacturing quality systems)
    • China GB/T 20784 (Agrochemical product standards)

    Typical usage ratio

    • 2%–8% of total reactant mass in pathway-specific syntheses.
    • Charge level adjusted according to batch size and target process yield.

    Downstream process integration

    • Fed into closed reactor vessels at designated reaction stages.
    • Integrated with halogenation, cyclization, or alkylation steps depending on product route.
    • On-line QC confirms purity prior to active ingredient conversion.

    Final product types

    • Alkyne-based herbicidal active ingredients
    • Insecticidal intermediates
    • Plant growth regulator precursors

    3. Flavors and Fragrance Ingredient Formulation

    Within the specialty chemicals sector, 1-Butyn-3-Ol enables synthesis of unique alicyclic and aromatic alcohols used in fine fragrances and food flavorings. Its controlled introduction facilitates formation of ethynyl, allyl, and propargyl motifs, delivering distinct olfactory characteristics. Our production ensures low organoleptic off-notes, compatible with strict end-use compliance for consumer safety and global flavor regulations.

    Industry compliance standards

    • IFRA (International Fragrance Association) standards for fragrance safety
    • EU Flavouring Regulation (EC No 1334/2008)
    • US FEMA GRAS (Flavor and Extract Manufacturers Association – Generally Recognized as Safe)
    • ISO 9001/22000 for flavor ingredient manufacturing

    Typical usage ratio

    • 0.1%–2% as a precursor during step-wise flavor molecule construction.
    • Adjusted according to aromatic strength and purity requirements set by end-use tests.

    Downstream process integration

    • Used in targeted alkynylation of fragrance intermediate batches.
    • Participates in controlled hydrogenation or oxyfunctionalization steps prior to distillation and blending into stock perfumes.
    • Subjected to full organoleptic assessment after main reaction.

    Final product types

    • Floral and fruity base alcohols for perfumery
    • Flavor enhancers for prepared foods and beverages
    • Chemical aroma building blocks

    4. Advanced Polymer Modification and Crosslinking

    1-Butyn-3-Ol acts as a functional additive in the modification of specialty polymers and resins, particularly in the development of crosslinked coating systems and high-performance adhesives. By introducing terminal alkyne functionality, formulators achieve increased network formation and tailored mechanical strength, enhancing thermal and chemical performance for industrial end-users in automotive, electronics, and construction sectors.

    Industry compliance standards

    • RoHS (Restriction of Hazardous Substances Directive) for electronics and coatings
    • ISO 14001 (Environmental Management Systems)
    • ASTM D2566 (Standard for unsaturated polyester resin modifiers)
    • REACH Registration for polymer additives

    Typical usage ratio

    • 0.25%–1.5% by resin weight, dependent on crosslink density and target cure profile.
    • Ratio selected based on polymer chemistry and target physical specifications.

    Downstream process integration

    • Incorporated during prepolymer blending prior to catalyst or hardener dosing.
    • Enables formation of polyynic or propargyl crosslinks upon thermal or UV curing.
    • Undergoes analytical QC for residual monomer analysis after polymer set.

    Final product types

    • Electronics-grade conformal coatings
    • Automotive adhesives and sealants
    • UV-curable resin composites

    5. Fine Chemical Building Block for Catalysis Research

    Leading research institutes and catalyst manufacturers use 1-Butyn-3-Ol as a key substrate for organometallic catalysis investigations and for the development of novel ligands and chelating agents. Material purity and trace metal content meet the stringent analytical requirements of advanced R&D facilities, supporting exploration of selective addition, cycloaddition, and coupling methodologies for both academic and process-scale discovery.

    Industry compliance standards

    • ISO/IEC 17025 (Testing and calibration laboratories quality system)
    • ACS Reagent Grade chemical specifications
    • Institutional chemical hygiene plans (US OSHA 29 CFR 1910.1450)
    • GHS chemical labeling and SDS compliance

    Typical usage ratio

    • 0.01–0.5 molar equivalents as a model substrate per catalytic test run.
    • Ratios determined by reaction scale and kinetic analysis requirements.

    Downstream process integration

    • Charged as a co-reactant or model molecule in catalyst screening reactions.
    • Supports mechanistic studies in batch or continuous flow reactors.
    • Integrated into analytical workflows via HPLC, NMR, and GC-MS after reaction completion.

    Final product types

    • Organometallic ligand reference compounds
    • New catalytic system prototypes
    • Fine chemical intermediates for process optimization studies
    Free Quote

    Competitive 1-Butyn-3-Ol prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

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    Certification & Compliance
    More Introduction

    Introducing 1-Butyn-3-Ol: Insights from the Manufacturer

    Real-World Chemical Manufacturing and 1-Butyn-3-Ol

    Every batch of 1-Butyn-3-Ol tells a story about precision and persistence. In a chemical plant, our team doesn’t simply pour raw materials together. The creation of this molecule calls for steady hands, sharp eyes, and honed instincts developed over years of working with highly reactive alkynes. We focus on delivering a product that supports research labs, fine chemical synthesis, and the pharmaceutical sector. The molecule, 1-Butyn-3-Ol, stands out from related materials through its single triple bond paired to a terminal alcohol group. Combine that functionality, and it starts to open doors for all sorts of downstream chemistry.

    Model, Specification, and What We’ve Learned

    Our approach never leans on generic procedures. The material leaves our facility typically in the form of a clear, colorless liquid. The boiling point and the characteristic sharp odor remind you that you’re working with a genuine alkyne. While the CAS number appears on any certificate of analysis, what people really care about is the purity of the final product. Every manufacturing run pushes for a minimum assay of 98 percent by gas chromatography, with water and peroxide levels kept below strict thresholds. A key insight we’ve seen is that seemingly tiny residues and byproducts can throw a sensitive synthesis off course, particularly in scale-up or in custom catalyst research.

    We always align lot-to-lot properties, because any shift in content or trace impurity—even by small fractions—can translate to wasted time or failed results for customers engaged in demanding downstream chemistry. Rather than scaling up with shortcuts, we insist on in-process monitoring and direct quality checks while distillation is underway.

    How Chemists Actually Put 1-Butyn-3-Ol to Work

    Across the years, we've engaged with R&D teams and independent chemists who trust this molecule for its dual reactivity: the terminal alkyne lends itself to copper-catalyzed click reactions, cross-couplings, and chain architectures, while the alcohol opens up essential paths in fine chemical modification. In practice, this combination leads to the building blocks of pharmaceutical intermediates, biologically active compounds, and more. A key demand comes from labs developing small-molecule probes, medicinal chemistry leads, and specialty coating materials.

    1-Butyn-3-Ol is not a commodity like ethanol or methanol, whose tolerances and impurities hardly bend an application’s outcome. This material occupies a niche where one-off reactions, screening programs, and the need for downstream selectivity edge out bulk pricing considerations. What we notice is that successful use of alkyne-alcohols often relies more on the confidence established batch by batch between manufacturer and chemist, not on claims in a product flyer.

    Quality and Traceability in Every Drum

    Producing small-scale fine chemicals differs completely from turning out tens of thousands of liters for bulk solvents. Our 1-Butyn-3-Ol never comes from a generalized supply line. Instead, manufacturing takes place in sealed, dedicated glassware and lined reactors, and we trace every blend to its documented synthesis. Analysts monitor both the main component and trace-level impurities—alkynes, aldehydes, small diols, metals—using GC, Karl Fischer, and elemental analysis. Any drum filled for shipment to research or manufacturing partners matches published assay minimums longer than a year after we began scaling up production.

    Documents, test results, and batch data come directly from the research chemists and plant operators who produce and verify the material, not outsourced QA. Every drum or kilogram meets the proven specifications, not just for regulatory compliance, but for uninterrupted use in sensitive applications.

    How We See Our Responsibility

    We value the transparency that comes from years of serving partners in pharmaceuticals, advanced materials, and academia. People have relied on our technical data sheets, but increasingly, conversations focus on where the material comes from, what trace elements are present, and whether the last batch performed precisely as expected. Laboratory managers count on that continuity. Where less-experienced operators might try to rush processes, we stick to validated cleaning, drying, and filling protocols—even if that sometimes slows down delivery.

    As a manufacturer, we answer directly for each lot, making it our own problem if something fails to meet standard. That keeps us invested in every stage from raw material intake to last-mile logistics. Regular feedback allows us to adjust and strengthen our protocols. Once, a well-informed customer called out a minor, previously overlooked contaminant traceable to a cleaning solvent, prompting a full review and update of our entire procedure.

    Differences from Related Alkynols and Why Purity Matters

    Some chemists might consider 1-Butyn-3-Ol side by side with other alkynols such as propargyl alcohol or 2-butyn-1-ol. These molecules look similar until you start measuring their practical reactivity. 1-Butyn-3-Ol features both the hydroxyl and alkyne separated by two methylene units, building in a specific geometry and electronic profile attractive for certain coupling reactions and as a linker in bioconjugation processes. Minor differences in backbone positioning control outcomes in pharmaceutical intermediates and fine organic synthesis.

    As a real manufacturer, we do not substitute or cross-label products. Each has its own handling requirements and risk profile. Our own safety team uses atmospheric control and rigorous PPE because the low flash point and acute toxicity require vigilance. With experience comes appreciation for handling precautions invisible to buyers; these protocols contribute to both operator safety and to clean production runs which, in turn, ensure chemists downstream avoid the drag of unexpected contaminants.

    The difference from other sellers is not only about high-purity numbers. It's also in response time to queries about trace impurities, willingness to support custom lot validation, and the collaborative attitude when scale-up or pilot-scale needs arise. Our chemists readily share data, batch details, and analytical reports, often in direct communication with those using the material at the bench.

    Supporting Evolving Applications and New Demands

    Over the years, user expectations for 1-Butyn-3-Ol have evolved. Pharmaceutical groups demand ever-lower impurity levels as candidate molecules progress into clinical development. Material scientists use the alcohol for functionalization on nano-structured surfaces and novel polymer backbones. The work of analytical teams has never been more central, as customer pilot batches now require highly detailed impurity profiling and trace-level confirmation long before any large-scale synthesis begins.

    We have adapted our operations accordingly, updating procedures for solvent and reagent traceability, shifting to all-glass feeding systems for the most demanding applications, and ensuring batch splitting remains possible for users wishing to confirm identity and purity before full uptake. Periodic upgrades in chromatographic and spectroscopic capability let us pick out contamination at lower detection levels. We act on all quality-related customer reports, and our analytical team prioritizes open, accessible discussion on any technical subject.

    As a direct manufacturer, we speak with end users ranging from graduate students to technical managers and adjust our operations to serve problems that pop up in real time. This transparency builds trust that no anonymous shipment or gray-market lot can match.

    Industry Change and Progress in Chemical Supply

    In the past, buyers treated 1-Butyn-3-Ol as a hard-to-get specialty intermediate, accessible only via bespoke syntheses or high-priced importers. Since we began investing in in-house production and downstream purification, researchers can get exact batches with verifiable history, clear customs faster, and tackle more ambitious projects. Even as costs in raw materials and energy have spiked over the past decade, sticking to close controls has allowed us to maintain quality while easing the uncertainty that used to surround one-of-a-kind chemicals.

    Supply interruptions rarely stem from failures in the chemical process itself, but from complex factors like regulatory environment, logistics, or seasonal instability in key upstream feedstocks. We’ve created new buffer stock strategies and stronger raw material vetting based on firsthand experience—one missed train car or regulatory inspection used to mean weeks of delay. This operational knowledge helps our partners plan experiments and deliveries with greater confidence, keeping production and research lines open.

    Continuous Improvement through Teamwork

    Running a chemical manufacturing operation never settles into a routine. Night shifts, last-minute corrections, equipment calibration, and process troubleshooting stay with us every day. Lessons learned get pooled into updated operating manuals, shared between plant operators, analysts, and managers, who all understand that a small error at their station could have outsized impact months down the line.

    Our on-the-ground chemists and engineers often take part in technical calls or face-to-face discussions with the scientists actually using 1-Butyn-3-Ol. This brings new insight into process demands, impurity tolerances, and novel synthetic approaches. We listen to stories about failed experiments, equipment headaches, and application breakthroughs, then use that feedback to improve future lots. When one batch runs hotter than expected or carries a trace odor, we troubleshoot the source and run comparative tests. That level of involvement, paired with direct responsiveness, stands behind every liter we ship.

    Building Real Partnerships through Honest Collaboration

    Trust between manufacturer and customer can’t ride solely on paperwork or an online description. Building that trust comes from years of meeting real-world specifications, addressing challenges in real time, and being available to resolve issues quickly. Some customers prefer a once-a-year order of pure material for a set research project. Others keep up a steady schedule for scale-up or continuous manufacturing. Both count on knowing who produced the chemical, why it meets their needs, and what steps exist to address any unexpected development.

    We often share supporting analytical runs, stability tests, and out-of-spec investigations upon request, because seeing actual data trumps any printed marketing claim. The relationships we’ve built have often begun with minor troubleshooting or issue resolution and, over time, have expanded as scientific and business goals aligned. We see our role as more than just makers of chemicals—we’re committed problem-solvers, accountable for quality and flexibility, ready to work with partners on emerging science frontiers.

    Outlook on Future Development and Applications

    Most of the significant progress in chemical manufacturing comes at the intersection of quality control and open information flow. As new uses for 1-Butyn-3-Ol emerge—from catalyst development to smart coatings and advanced biomedical linkers—manufacturers like us face the ongoing challenge of keeping both quality and responsiveness front and center. Continued investment in analytical infrastructure, training and hands-on coordination across production shifts and customer service teams makes a measurable difference.

    We want to see more projects come to fruition through reliable access to high-purity intermediates. Close collaboration makes a visible impact: if a batch requires a tailored impurity profile or smaller-than-standard drum size, we’re able to shift process parameters and documentation to suit. That’s a direct result of years spent at the production line and across laboratory benches, where our understanding grows with every shipment and every technical conversation.

    Final Thoughts from the Production Line

    Wide-ranging applications for 1-Butyn-3-Ol in fine chemistry, research, and process development depend on factors well beyond catalog descriptions. Clean, reliable material starts with technical know-how and continues with hands-on commitment to ongoing improvement. We take pride in every bottle and drum shipped and value the complex, fast-moving world in which our partners operate. The close collaboration between manufacturer and user builds bridges in an industry that can, at times, feel impersonal. We look forward to ongoing dialogue, creative application, and raising standards for both quality and technical exchange with every run of 1-Butyn-3-Ol we produce.