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4-Ethyl-1-Octyn-3-ol

    • Product Name 4-Ethyl-1-Octyn-3-ol
    • Alias 4-Ethyl-3-octyn-1-ol
    • Einecs 211-220-5
    • 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

    266710

    Chemical Name 4-Ethyl-1-Octyn-3-ol
    Cas Number 1576-88-9
    Molecular Formula C10H18O
    Molecular Weight 154.25 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 223-225 °C
    Density 0.855 g/mL at 25°C
    Refractive Index 1.445-1.447
    Flash Point 94 °C
    Purity Typically ≥97%

    As an accredited 4-Ethyl-1-Octyn-3-ol 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 100 mL of 4-Ethyl-1-Octyn-3-ol, sealed with a screw cap and safety label.
    Shipping **Shipping Description for 4-Ethyl-1-Octyn-3-ol:** 4-Ethyl-1-Octyn-3-ol should be shipped in well-sealed, chemical-resistant containers, protected from light, heat, and moisture. Label containers clearly according to regulatory guidelines. Follow all relevant transportation regulations for hazardous materials. Ensure compatibility with other materials being shipped, and provide appropriate documentation and safety data sheets (SDS) with the shipment.
    Storage 4-Ethyl-1-octyn-3-ol should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and incompatible materials such as strong oxidizers. Protect from moisture and ignition sources. Proper labeling and secondary containment are recommended to prevent leaks and spills. Store at room temperature unless otherwise specified by the manufacturer’s guidelines.
    Application of 4-Ethyl-1-Octyn-3-ol

    Applications of 4-Ethyl-1-Octyn-3-ol in Industrial Manufacturing

    4-Ethyl-1-Octyn-3-ol plays a vital role as a technical intermediate and additive in several advanced specialty chemical sectors. Our direct manufacturing expertise ensures consistent supply to end-users across agrochemical synthesis and cutting-edge coating formulations. The following sections outline established applications in downstream manufacturing environments, detailing compliance standards, formulation ratios, the integration stage, and typical product formats.

    1. Agricultural Fungicide Synthesis

    Major agrochemical formulators incorporate 4-Ethyl-1-Octyn-3-ol as a key intermediate for systemic and contact fungicide synthesis, enabling the formation of acetylenic alcohol-based active ingredients. The raw material enters multi-step organic synthesis lines, often as a starting molecule for constructing proprietary pyrethroid and triazole family fungicide actives, supporting crop protection portfolio expansion.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • REACH Regulation (EC) No. 1907/2006 – Use and Handling of Substances as Intermediates
    • China GB2763 – Maximum Residue Limits for Pesticides
    • EPA (US) – Pesticide Registration Regulations

    Typical usage ratio

    • Ranging from 8% to 14% w/w relative to total reactants, formula adjusted by synthesis targets and pathway efficiency requirements.

    Downstream process integration

    • Added as a primary alcohol precursor during the initial condensation or alkynylation segment of active ingredient synthesis; monitored by in-process HPLC for conversion rates.

    Final product types

    • Triazole-based fungicides (e.g., propiconazole analogues)
    • Acetylenic alcohol fungicide active substances
    • Formulated EC/SC fungicide products for cereals and fruits

    2. Low-VOC Coatings and Inks

    Coatings and ink manufacturers employ 4-Ethyl-1-Octyn-3-ol as a flow enhancer and anti-skinning agent, primarily in high-solid alkyd, polyurethane, and acrylic systems. The molecule’s acetylenic structure modifies surface wetting and reduces pinhole formation, supporting compliance with evolving VOC legislation in industrial paints and printing inks.

    Industry compliance standards

    • European Directive 2010/75/EU (Industrial Emissions - VOCs)
    • US EPA Clean Air Act – National Emission Standards for Hazardous Air Pollutants (NESHAP)
    • ISO 16000-9:2019 – Determination of Emissions from Building Products
    • China GB/T 23985 – VOC Content in Coatings Standard

    Typical usage ratio

    • 0.05%–0.25% by total formulation mass; amount refined based on resin chemistry, target open time, and climate-specific curing conditions.

    Downstream process integration

    • Incorporated during the final let-down phase of batch mixing, prior to pigment or solvent addition, ensuring homogeneous distribution for surface modification functionality.

    Final product types

    • Architectural and industrial low-VOC coatings
    • Offset and flexographic printing inks
    • Automotive OEM base and clear coats

    3. Surfactant and Emulsifier Intermediate for Oilfield Chemicals

    Upstream chemical processors use 4-Ethyl-1-Octyn-3-ol as a building block for nonionic surfactants and emulsifiers, particularly in the design of advanced oilfield production fluids. The unique alkyne function facilitates tailored ethoxylation, tuning hydrophilic-lipophilic balance for demanding emulsion stability in enhanced oil recovery agents.

    Industry compliance standards

    • API Recommended Practice 19C – Measurement of Proppant Flowback
    • OCIMF Guidelines for Chemical Treatment Products
    • REACH compliance for import and handling of chemical substances
    • China SY/T 6271-2016 – Performance Test Methods of Surfactants for Oil and Gas Industry

    Typical usage ratio

    • 10%–18% as a molar input fraction among hydrophobes in surfactant precursor mixtures; level optimized for interfacial activity and fluid rheology.

    Downstream process integration

    • Charged directly into the ethoxylation reactor under controlled basic catalysis, limiting byproduct formation and facilitating subsequent formulation into finished EOR surfactant blends.

    Final product types

    • Enhanced oil recovery (EOR) surfactant blends
    • High-temperature oilfield emulsifiers
    • Well stimulation fluid additives

    4. Electronic Chemicals: Photoresist Additive Manufacturing

    Manufacturers in semiconductor and printed circuit board (PCB) industries utilize 4-Ethyl-1-Octyn-3-ol as a specialty additive for positive photoresist formulations. The compound acts as a surface orientation modifier, enhancing pattern edge acuity and resist clean stripping while maintaining batch-to-batch uniformity in microelectronics fabrication.

    Industry compliance standards

    • JEITA QTS-4000 – Standards for Semiconductor Chemicals
    • SEMI C1.1 – Specifications for Electronic Grade Organic Chemicals
    • ISO 14644 – Cleanrooms and Associated Controlled Environments
    • RoHS Directive 2011/65/EU – Restrictions of Hazardous Substances

    Typical usage ratio

    • 0.03%–0.10% in photoresist resin matrix; optimized via pilot runs and end-use lithography results for pattern yield and defectivity.

    Downstream process integration

    • Dosed into the resin/polymer mix prior to final photoactive compound charging; subject to QC validation for purity (trace metal <5 ppb) and by GC-MS for batch reproducibility.

    Final product types

    • Positive-tone photoresists for IC lithography
    • Chemical amplifier resists for advanced node fabrication
    • PCB photoimaging resists

    5. Industrial Waterborne Adhesive Production

    Adhesive formulators adopt 4-Ethyl-1-Octyn-3-ol as an anti-foaming and open-time extender for acrylic and vinyl-acetate-based dispersion adhesives, critical for packaging, woodworking, and label sectors. Its controlled volatility moderates film formation, reducing surface defects during high-speed application or laminating.

    Industry compliance standards

    • FDA 21 CFR 175.105 – Adhesives in Indirect Food Contact (as applicable)
    • ISO 9001:2015 – Quality Management in Adhesive Production
    • EN 923 – Adhesives: Terms and Definitions
    • China GB/T 4893.10 – Determination of Adhesive Film Drying Time

    Typical usage ratio

    • 0.02%–0.18% based on wet dispersion mass; level fine-tuned to application speed and humidity during customer-scale operations.

    Downstream process integration

    • Introduced post-emulsification but prior to final viscosity adjustment; effectiveness confirmed via lab-scale spreadability and anti-foaming tests.

    Final product types

    • Casein-free waterborne packaging adhesives
    • Wood lamination glues
    • Pressure-sensitive adhesive (PSA) emulsions for label stock
    Free Quote

    Competitive 4-Ethyl-1-Octyn-3-ol prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    4-Ethyl-1-Octyn-3-ol: Manufacturer Perspective on Its Value, Applications, and Why It Matters

    Understanding 4-Ethyl-1-Octyn-3-ol From a Chemist’s Workbench

    Day after day in production, each batch of 4-Ethyl-1-Octyn-3-ol reveals the intricate world of acetylenic alcohols. The process never fails to remind us that making this compound is about more than making something with a complicated name. People use this material because it holds a particular combination of structure and reactivity that’s tough to fake with generic substitutes—so we pay close attention to every detail, from the purity targets to the lot tracking.

    Our focus on quality starts at the raw material tanks, where we monitor every step—knowing impurities end up downstream, raising waste and reducing value for formulators. The typical batch comes through as a colorless to pale yellow liquid, with its defining alkyne triple bond and ethyl group at the four-position. Reproducibility remains the saving grace for all downstream users, whether they’re in agrochemical intermediates or specialty polymer synthesis. The smallest slip, and downstream product specs can drift right along with it.

    Application Roots: Why Technicians and Formulators Turn Here

    We see 4-Ethyl-1-Octyn-3-ol most often flowing into synthesis as a trusted intermediate. Formulators rely on its C8 backbone and reactive triple bond to let them construct larger, more complex molecules, often in steps where they need a controlled, selective addition or modification. In our experience, most alternative alkyne alcohols in this molecular weight range can’t deliver quite the same optical and chemical properties. A slight change upstream, and you disrupt the reactivity or leave behind troublesome byproducts that build up further downstream.

    In the world of agrochemicals and pharmaceuticals, this compound’s ability to anchor extensions and functional groups makes it a staple for custom molecule construction. Process chemists looking for a balance between volatility, solubility, and underived triple bond presence come knocking again and again. Demand isn’t just about making the right chemistry on paper—it’s about actually running the process at scale, minimizing waste and managing hazardous intermediates or off-gassing during the synthesis route.

    During early pilot campaigns, scale-up always brings out new wrinkles. The boiling range of 4-Ethyl-1-Octyn-3-ol gives engineers a handle on solvent recovery and purification methods that are predictable once you set the parameters. We’ve been through enough customer audits and external certifications to know that one missed checkpoint on stability results in the entire shipment bouncing, so our QC teams run each lot through rigorous purity checks before any drum leaves the plant.

    Physical and Chemical Properties That Guide the User’s Hand

    Every production run we carry out hammers home the way 4-Ethyl-1-Octyn-3-ol behaves: It has a sharp, distinctive odor typical of acetylenic alcohols, with moderate viscosity and a boiling point that supports distillation-based purification. Most customers opt for high-assay material—purity in the high-ninety percent range by gas chromatography—because off-spec fractions cause migraines downstream and lead to low yield or unpredictable reaction profiles.

    Handling volatile organics in volume brings its own set of demands. Facility designers and EHS leads expect full transparency about vapor pressure, shelf-life under standard storage, and container compatibility. We store and ship in high-density polyethylene drums for longer-term stability, based on our own stress tests over the last several years. Small leaks—a hazard for worker safety and inventory—get traced back to cap selection and gasket material as often as to process mishap.

    Chemical manufacturers settle for nothing less than batch-level traceability and documentation, because regulators pore over everything from starting material sourcing to final shipping logs. Our documentation covers batch records, analytical spectra, and shelf life projections by analytical methods, not just generic context-free claims.

    What Sets 4-Ethyl-1-Octyn-3-ol Apart in the Marketplace

    The landscape for acetylenic alcohols is crowded with options, but the chemistry is in the details. Run-of-the-mill 1-octyn-3-ol lacks the ethyl branch—a small change that’s anything but trivial for synthetic pathways dependent on molecular rigidity, boiling point, or selective reactivity. Adding or shifting a branch changes the molecule’s fit in subsequent coupling or cyclization steps.

    Some operators try swapping in non-branched or shorter-chain analogues to cut costs, only to find their yields drop or their downstream solvents won’t behave. Our experience has shown that production using 4-Ethyl-1-Octyn-3-ol results in much cleaner conversion for certain coupling reactions, with less formation of tars or unwanted side chains. These incremental gains mean less workup, lower by-product generation, and reduced downstream purification—an easy win for large-scale operations under regulatory or cost pressure.

    We’ve lost customers in the past who tried alternatives, only to have them return months later, frustrated by low yields and inconsistent product purity in their own plants. That lesson—molecule structure dictates both process reliability and product value—holds true in every specialty batch we scale. On more than one occasion, we’ve been called by customers whose switching experiments left them with tanks of unsaleable material and scrambling to meet their own customers’ timelines.

    Product Stability and Quality: What Decades of Batchwork Have Taught Us

    Over years, we’ve fine-tuned our manufacturing steps to maximize shelf life and minimize variable outcomes. We track temperature excursions, batch mixing rates, and reagent contamination levels to their last decimal because a stable 4-Ethyl-1-Octyn-3-ol lot is easier to handle, more consistent under storage, and less likely to darken or polymerize prematurely. Storage recommendations—keep in tightly sealed containers under inert gas, protected from moisture—come from first-hand experience with container sweating and micro-contamination spoiling entire drums.

    Every plant manager and process chemist who’s handled unstable batches can recall the smell, the color drift, or the time-production ground to a halt while investigating off-spec product. We solve for these variables by closing the feedback loop between lab-scale synthesis and plant-scale runs, sharing data between groups and integrating operator feedback into our standard operating procedures. Quality control means more than certificate printouts—it shows up in lower reject rates and fewer delayed shipments.

    Customers often ask about storage at different humidity and temperature conditions. Our own accelerated aging data has shown that product sealed under nitrogen at typical warehouse temperatures maintains its color, assay, and reactivity profile for at least one year. Containers stored without blanket gas or in coastal areas picked up discoloration and acidity faster—a mistake that costs both producer and buyer. Lessons learned have reshaped how we train our shipping teams and specify storage at customer sites.

    Supporting Process Innovation and Custom Synthesis

    Our facility supplies 4-Ethyl-1-Octyn-3-ol in volumes ranging from liter bottles for R&D up to multi-tonne lots for established manufacturers. Many scale-up chemists start out calling about small samples, looking to explore new reaction routes or molecule architectures. We’ve walked alongside customers as they moved from beaker tests through first kilo-scale batches—watching as their process control needs shifted from flexibility to clockwork reliability.

    Some of the most interesting stories come from specialty fine chemical makers or fragrance companies trying to create new signature notes. The sharp odor and backbone of 4-Ethyl-1-Octyn-3-ol lends itself to unusual coupling routes, where a less reactive or more hindered molecule wouldn’t survive the same process. It opens doors for building blocks with unique substitution patterns, often enabling leaps that push the boundaries of odor profile or physical performance.

    For intermediates in crop protection synthesis, the unique chain and unsaturated bond orientation offers compatibility with alkynylation, cross-coupling, and specialized functionalization. Chemists appreciate how the triple bond and primary alcohol group create selective touchpoints for enzyme-inspired or metal-catalyzed transformations. Over the years, this compound contributed to the creation of custom actives that set new benchmarks for biological activity or environmental performance.

    Production: Achieving Consistency from Gram Scale to Bulk

    Running a plant means staring at real-world problems—feedstock cost swings, vessel maintenance deadlines, and waste-stream audits—while maintaining the same high output. Each campaign of 4-Ethyl-1-Octyn-3-ol brings lessons about balancing reaction yield and byproduct removal. Common pain points in the past included incomplete conversions, color body formation, and solvent selection for final purification. Over several years, we’ve refined our steps to reduce thermal degradation and achieve clear, colorless product even after weeks in storage.

    Analytical methods are not decoration. Our on-floor quality control runs GC, NMR, and Karl Fischer moisture titrations on every lot. We worked with outside partners to validate our process, making sure our data holds up under scrutiny. Getting documentation right isn’t just about audit passing—customers care, regulators check, and ultimately our own team relies on that data to spot drifts before they hit the market.

    Our manufacturing process takes seriously the removal of odorous or reactive contaminants. Training comes into play every time there’s a process variation or a switch to a new raw material supplier. Operators get hands-on involvement with batch logs, and this accumulated knowledge pays off every time a quick adjustment saves an entire lot from ending up as hazardous waste.

    Meeting Regulatory, Environmental, and Safety Responsibilities

    Customers expect transparency in chemical supply now more than ever. We keep full documentation on product composition, residual solvent status, and compliance with REACH or local environmental rules. Years of regulatory interaction taught us to anticipate questions, so we run periodic toxicity screens and maintain product stewardship data off the shop floor. Nothing causes more pain than failed imports or project delays thanks to missing paperwork, so we treat compliance as part of the product offering, not an afterthought.

    Worker safety shapes every step of our operation. 4-Ethyl-1-Octyn-3-ol doesn’t pose the catastrophic risks of some harsher reagents, but inhalation and skin exposure remain tangible concerns. Good manufacturing practice requires real-world controls: ventilation, chemical handling protocols, routine PPE checks, and clear accident logs. Plants that overlook this end up with lost batches and preventable downtime. We take pride in a workforce that trusts the product and the process, because everyone’s health remains non-negotiable.

    Facility emissions and waste streams from acetylenic alcohol production draw attention from community and environmental groups. Wastewater treatment and vent controls eat into margins, but they prevent bigger headaches—from regulatory fines to lost site permits. Lean manufacturing, better process analytics, and partnership with local authorities all come directly from our history of managing sensitive and, at times, contentious chemical processes.

    Learning From Setbacks and Customer Feedback

    Chemical manufacturing walks a thin line between routine and crisis. Years ago, a tank mix-up with a similar-looking alcohol cost both our plant and a valued customer several days as we traced every outgoing lot. The memory still drives our team to double and triple-check every label, barcode, and documentation step before shipments roll out. Each customer complaint, big or small, becomes a chance to patch process gaps, update training modules, and tune our SOPs.

    It’s easy for technical teams to assume the buyer’s world matches our own: full analytics, climate-controlled storage, quick access to technical experts. The reality often differs. Global logistics go sideways, customer sites face unique humidity and temperature challenges, and technical support phone calls arrive at every hour. We’ve built our product offering around clear documentation, straightforward handling instructions, and the willingness to support customers through troubleshooting—because successful projects breed long-term relationships, not one-off sales.

    From initial inquiry through custom production runs, our job is to listen. Customers use 4-Ethyl-1-Octyn-3-ol for a reason—and if someone tries a different route, whether for cost or sourcing reasons, we want to understand where failures and successes arise. This honest feedback loop built our current methods, driving improvements in storage, labeling, and even emergency response planning.

    Future Directions: Sustainability and Enhanced Process Control

    Sustainability pressure grows each year for specialty chemicals. We revisit our synthesis route annually to track material efficiency and waste reduction, not just for regulatory compliance but to meet evolving client expectations. Customers want to know the water, energy, and carbon footprint of their intermediates, so we work with them to map out improvement pathways. Operational data provides hard numbers to support life-cycle assessments for their products, which in turn shapes the choices we make about solvents, energy use, and packaging.

    Pilot projects now explore alternative catalyst systems and greener solvent choices for 4-Ethyl-1-Octyn-3-ol. In our shifts, we trial recycled solvent streams, aiming to keep VOC emissions low without jeopardizing purity. Investment in this area tracks alongside the regulatory landscape—regional bans and eco-labels can wipe out a market or open new opportunities overnight. Staying ahead demands both technical creativity and a willingness to share risk with development partners.

    Advanced process control systems—combining real-time analytics, smart batching, and predictive maintenance—help squeeze out inefficiencies and cut scrap rates. Large-scale continuous processes, once avoided for fear of runaway or incomplete reaction, are finding a place in our new plant installations. Operators and engineers now rely on dashboards to spot performance drift, cutting down on emergency reworks and stabilizing output quality. Every percent shaved from process variance means tighter specs and happier customers.

    Final Thoughts: Why We Keep Making 4-Ethyl-1-Octyn-3-ol

    Each year, we watch orders from sectors like specialty polymer, fragrance, and advanced intermediate production justify all the stone-turning needed to run a plant that produces consistently high-quality 4-Ethyl-1-Octyn-3-ol. The dedication to purity, stability, and customer support grows from seeing what practitioners downstream really face: tight project deadlines, specification-driven clients, and a constant scramble to keep costs under control. Our plant teams know every lot that leaves the gate carries not just a material, but the reputation and reliability of everyone who produced it.

    Repeat business builds not by chance but by careful stewardship—knowing what makes this compound work for certain kinds of chemistry, tracking every specification, and learning from every mistake or sidelined opportunity along the way. The difference between 4-Ethyl-1-Octyn-3-ol and its more generic or less branched cousins gets written not just in textbooks, but in every successful scale-up and every customer call. That’s what keeps us showing up day after day, refining both product and process for the next challenge ahead.