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2-Hexyn-1-ol

    • Product Name 2-Hexyn-1-ol
    • Alias 2-Hexynol
    • Einecs 203-966-5
    • 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

    137764

    Cas Number 928-49-4
    Iupac Name Hex-2-yn-1-ol
    Molecular Formula C6H10O
    Molar Mass 98.14 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 153-155 °C
    Melting Point -79 °C
    Density 0.887 g/cm³ at 25 °C
    Flash Point 61 °C
    Refractive Index 1.442 at 20 °C

    As an accredited 2-Hexyn-1-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, 100 mL, tightly sealed, with tamper-evident cap and hazard labeling for 2-Hexyn-1-ol, flammable and toxic.
    Shipping 2-Hexyn-1-ol is shipped in tightly sealed containers, protected from light and moisture. It should be transported according to all applicable local, national, and international regulations for hazardous chemicals. Proper labeling and accompanying safety documentation (SDS) are required, and it should be kept away from incompatible substances and sources of ignition during transit.
    Storage 2-Hexyn-1-ol should be stored in a cool, dry, and well-ventilated area, away from sources of ignition, heat, and direct sunlight. Keep the container tightly closed and store away from incompatible materials such as strong oxidizers and acids. Use appropriate chemical-resistant containers to prevent leaks or contamination. Ensure the storage area is equipped with suitable spill containment and proper labeling.
    Application of 2-Hexyn-1-ol

    Applications of 2-Hexyn-1-ol in Industrial Manufacturing

    2-Hexyn-1-ol finds specialized utility in several chemical industry verticals owing to its acetylene alcohol structure, reactivity profile, and miscibility with organic media. As a direct manufacturer, we support formulation, R&D, and scale-up for key value chain partners across curated industrial sectors. Real-world downstream processes require not only quality supply but careful attention to compliance, dosing, and integration protocols at each stage.

    1. Synthesis of Agrochemical Actives

    Major agrochemical producers use 2-Hexyn-1-ol as an intermediate during the synthesis of certain herbicides and plant protection formulations. Its terminal alkyne function introduces reactivity leveraged in coupling and addition reactions, especially for constructing heterocyclic systems found in post-emergent herbicides. Formulators control impurity profiles to comply with residue and trace detection criteria enforced by agricultural regulators.

    Industry compliance standards

    • FAO/WHO Joint Meeting on Pesticide Specifications (JMPS)
    • EC Regulation No. 1107/2009 for Plant Protection Products
    • US Environmental Protection Agency (EPA) pesticide registration guidance
    • ISO 9001:2015 for process and quality management

    Typical usage ratio

    • 5–18% molar ratio in intermediate stages; precise dosing depends on targeted structural motif and reaction stoichiometry for product purity control.

    Downstream process integration

    • Charged to reaction vessel following initial blending and base-catalyzed addition; further subjected to catalytic conversion or cyclization before downstream purification and formulation steps.

    Final product types

    • Selective herbicides with propargyl or cyclopropyl linkages
    • Precursor compounds for foliar-applied protection products
    • Active ingredients with triple-bond structural features

    2. Pharmaceutical Building Blocks Production

    The specialty pharmaceutical sector uses 2-Hexyn-1-ol as a building block for constructing advanced intermediates in APIs, especially those containing alkyne groups essential for bioactivity or further derivatization. Medicinal chemists employ the raw material in Sonogashira coupling, azide-alkyne cycloadditions, and other regioselective functionalizations, adjusting protocols to match pharmacopeial impurity limits and GMP mandates.

    Industry compliance standards

    • U.S. Pharmacopeia (USP) quality monographs
    • European Pharmacopoeia (Ph. Eur.) standards
    • ICH Q7 Good Manufacturing Practice (GMP) for APIs
    • FDA 21 CFR Part 211 for finished pharmaceuticals

    Typical usage ratio

    • 3–10% molar ratio in multistep syntheses; optimized based on target intermediate molecular weight and downstream isolation requirements.

    Downstream process integration

    • Introduced during early- to mid-synthesis stages; involved in coupling, protection, or regioselective modification reactions before downstream crystallization and API isolation.

    Final product types

    • Azole-based antifungal precursors
    • Targeted kinase inhibitor building blocks
    • Alkyne-modified nucleoside analogs

    3. Fine Chemical Additive for Coatings and Adhesives

    Manufacturers of high-performance coatings and specialty adhesives use 2-Hexyn-1-ol as a reactive modifier to adjust wetting, flow properties, and resin compatibility. Its alkyne group enables controlled crosslinking or grafting in solvent-borne or two-component systems, supporting fine-tuning of end-use properties for demanding industrial and consumer applications. Compliance with VOC, toxicity, and migration standards is essential when formulating for regulated markets.

    Industry compliance standards

    • REACH Annex XVII (Chemicals Regulation)
    • ASTM D7767 (VOCs in Coatings and Adhesives)
    • ISO 14001 Environmental Management for chemical use
    • BfR Recommendation XV for indirect food contact applications

    Typical usage ratio

    • 0.2–2.5% by weight in base polymer matrices; adjusted based on viscosity, cure system, or final film performance criteria.

    Downstream process integration

    • Added to resin kettle during pre-polymerization or physical compounding; compatible with solventborne and UV-curable chemistries, followed by dispersion and downstream blending with pigments or fillers.

    Final product types

    • High-solid industrial floor coatings
    • Isocyanate-curing adhesives for automotive assembly
    • Chemical-resistant marine and pipe coatings

    4. Intermediate for Fragrance and Aroma Chemicals

    The fragrance industry utilizes 2-Hexyn-1-ol as a precursor in the synthesis of complex aroma molecules, including certain musks, woody notes, and aldehydic components. Its reactivity allows formation of alcohols, esters, and other volatiles under controlled distillation and esterification. Conformity to IFRA guidelines and allergen monitoring ensures downstream products meet market and consumer safety requirements.

    Industry compliance standards

    • International Fragrance Association (IFRA) Standards
    • European Union Regulation (EC) No 1223/2009 for Cosmetic Products
    • FDA 21 CFR 172.515 for synthetic flavorings
    • ISO 9235 Natural and synthetic aromatic raw materials

    Typical usage ratio

    • 0.1–1.8% of batch mass during key aroma synthesis steps; final inclusion rate in compound driven by sensory threshold and IFRA restriction.

    Downstream process integration

    • Used in reductive homologation, etherification, or acylation steps as a starting point for producing high-impact aroma compounds; further blended or distilled before compounding in fragrance bases.

    Final product types

    • Aldehydic and woody aroma molecules for fine fragrance
    • Synthetic musks for detergent and personal care use
    • Specialty flavor additives for beverage applications

    5. Polymerization Modifier in Specialty Plastics

    Producers of specialty plastics employ 2-Hexyn-1-ol as a polymerization modifier, particularly in processes sensitive to molecular weight distribution or branching. Its addition during suspension, emulsion, or solution polymerization helps regulate chain transfer, branching, and end-group functionality. When used for technical applications such as cable insulation or elastomeric compounds, adherence to industry-specific purity, migration, and thermal stability standards remains critical.

    Industry compliance standards

    • EN ISO 11357 (Thermal analysis of polymers)
    • ASTM D1238 (Melt Flow Rates of Thermoplastics)
    • RoHS Directive 2011/65/EU for electrical/electronic plastics
    • GMP EC No. 2023/2006 for plastic food contact articles

    Typical usage ratio

    • 0.05–0.5% by polymer weight; level set based on polymerization method and required modification intensity for mechanical properties.

    Downstream process integration

    • Introduced during monomer charging stage for controlled polymer growth; compatible with vinyl, acrylate, and styrenic systems, followed by pelletizing or compounding as per final product requirements.

    Final product types

    • High-performance cable insulation compounds
    • Block copolymer elastomers for automotive and industrial seals
    • Plasticizer-modified construction sheet materials
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    Certification & Compliance
    More Introduction

    2-Hexyn-1-ol: Precision in Every Batch

    Our Direct Manufacturing Experience with 2-Hexyn-1-ol

    Every batch of 2-Hexyn-1-ol we produce tells a story rooted in hands-on chemical expertise. We work with this molecular building block day in and day out, knowing its behavior from the early mixing stages to the final tipping of drums for shipment. Our facility focuses on purity and performance—two things customers notice immediately when trialing a new lot in the lab or scaling a new synthesis route in production.

    We have refined our process to deliver a colorless to pale yellow liquid, stable across storage and use, with a characteristic sharp aroma. Water content, boiling range, and GC purity all matter for downstream applications: over the years, we consistently exceed 98% purity before release, and we track moisture levels to ensure optimal performance in moisture-sensitive reactions. Reliable, repeatable analytical controls let our technical and quality staff sleep soundly at night, knowing the compound will behave as expected for chemists, formulators, and R&D groups across industries.

    Working with 2-Hexyn-1-ol in the Field

    Our customers use 2-Hexyn-1-ol for many different reasons, from specialty adhesives to flavors and fragrances, pharmaceutical syntheses, and functional materials. In synthetic laboratories, it shows reliable selectivity as an intermediate for propargylic derivatives, and chemists appreciate its predictable reactivity in coupling reactions, protecting group strategies, and advanced building block construction. Process engineers find our product fits snugly into their established analytical methods; it provides a consistent response in purity checks and reacts cleanly, which improves yields further downstream.

    On pilot and production lines, our bulk solution delivers minimum batch-to-batch variation. Handling and storage integrate seamlessly due to our tight controls on stability parameters—key for manufacturing runs that involve months-long storage or multiple shipments in and out of secured extended storage. The alkynol's unique structure makes it particularly attractive for organometallic chemistry and cross-coupling protocols, and colleagues often share feedback that the transparency and completeness of our batch data advance their project timelines.

    2-Hexyn-1-ol vs. Related Alkynols and Alcohols

    From our vantage point, 2-Hexyn-1-ol stands apart from its close relatives. Chemically, the terminal alkyne with a primary alcohol group brings flexibility not present in simple linear alcohols like hexanol or pentynol. The molecular structure allows for cleaner, more predictable reactivity for synthetic chemists, especially where selectivity and control lower the burden of purification.

    We have worked with other alkynols, including 3-hexyn-1-ol and 4-pentyn-1-ol. In those cases, the different location of the triple bond shifts the reactivity and introduces alternative chemical behavior during transformation. For instance, the conjugated system from the C2 alkyne on our 2-Hexyn-1-ol allows for more targeted metal catalysis and unique cyclization strategies. This sometimes enables new synthetic shortcuts not possible with the C3 and C4 analogs.

    From a manufacturing perspective, 2-Hexyn-1-ol demands a higher level of control over reaction parameters than lower homologs, especially when working at multi-ton scale. Temperature control, stoichiometry, and quality of raw materials must all line up to prevent side products. These requirements suit us as a direct manufacturer because our team has the technical knowledge to fine-tune those variables, bringing costs down over the long haul and allowing us to produce larger volumes for industrial-scale clients.

    Purity, Testing, and Trace Impurities

    A common question that comes across our QA desk: what sets our 2-Hexyn-1-ol apart from what’s sold by trading houses or resellers with limited technical resources? The answer starts with robust in-house analysis. Every lot is tracked for organic residues, metal traces, and water, far beyond the GC area count alone. Some syntheses are hypersensitive to specific contaminants, so we screen for aldehyde and peroxide content as well—experience has shown trace impurities can derail hydrogenation steps or copper-catalyzed couplings.

    Analytical transparency sits at the center of trust. Customers often call to discuss a specific side-product, and we can pinpoint its likely source due to detailed reaction monitoring and multiple checkpoints from blending through to final aliquoting. These details prove most helpful to chemists scaling up from bench top to plant, where a single unknown byproduct can shut down an entire run. We supply data, but we also supply context, which builds more confidence in applications where failure costs are high.

    Storage, Handling, and Shelf Life: Practical Advice from Our Facility

    The ideal way to keep 2-Hexyn-1-ol ready for long production campaigns is tight control of temperature, moisture, and light. We learned early on that amber glass or stainless steel drums, sealed and stored at ambient temperature, preserve integrity for well over a year. Customers who store in polyethylene containers often risk leaching or slow degradation—something we discuss openly based on field experience.

    On the subject of shelf life, we routinely re-test aged samples to prove product integrity. In one instance, a pharmaceutical client with a high standard for repeat work asked for long-term stability data. Our team had samples on file from three successive production years; GC, NMR, and wet chemical data confirmed that remaining trace acids, aldehydes, and peroxides stayed below specification, building enough trust that the client placed their annual order before year-end.

    Routine safety training also comes built in to everything we ship: team members on our shipping dock have firsthand knowledge of safe degassing and dispensing practices, and we share this with clients who need training on larger containers. On-site audits and plant visits underscore practical hazards or special handling needs, offering lessons learned from dozens of industrial setups.

    2-Hexyn-1-ol in Advanced Synthesis: What Sets Our Output Apart

    Many customers working in pharmaceuticals and fine chemicals use 2-Hexyn-1-ol as a linchpin intermediate for making heterocycles, engineered catalysts, or functionalized ligands. Lab managers rely on our rigorous contamination logs when building sensitive downstream products. A misstep with purity can result in troubleshooting delays or incomplete transformations—trouble we help avoid by producing targeted specifications and lot-specific batch records.

    Researchers on cutting-edge projects, including those in optoelectronics or specialty materials, sometimes require narrow cut fractions or tailored production runs. As manufacturers, we run different columns or distillation passes upon request, and can discuss purification tradeoffs in person. Years of ongoing collaboration with university groups and industrial R&D teams sharpened our sense of what actually matters when a project moves past the screening phase and into kilo-scale. We have built a system nimble enough to handle these requests without losing speed or increasing the risk of cross-contamination.

    Safety, Regulatory, and Environmental Responsibility

    Guided by strict regulation, we manage 2-Hexyn-1-ol production on closed-loop systems with real-time monitoring for VOC emissions, targeted waste capture, and solvent recycling. Our facility design prevents fugitive vapor release, and every operator receives annual training on PPE, spill protocols, and first aid, which includes hands-on drills for unlikely but hazardous leaks.

    Our customers span the globe and face diverse local compliance requirements, so traceability and documentation are not afterthoughts. Syntheses entering regulated markets—like APIs or advanced electronic materials—trigger internal compliance checks and detailed retesting by our analysts, ensuring the material will clear common regulatory or import hurdles without delay. Your own compliance desk can request full batch data or production logs, which we maintain for years.

    Sustainability matters in our business. Every cycle we optimize for atom economy, reduced solvent loads, and safe disposal options cuts down on both cost and community impact. Routine audits identify even tiny gains in efficiency—savings which add up over hundreds of production runs per year. We regularly consult with regional authorities and environmental consultants on best practices, knowing those conversations stretch beyond compliance and into real-world improvements on waste minimization.

    Customer Feedback and Production Adjustments

    Decades of making 2-Hexyn-1-ol have taught us the value of field feedback. Sometimes it means tightening a fractionation window or adding another analytical checkpoint due to a new regulatory demand in pharmaceuticals. Sometimes it comes from a customer switching from bench-top glassware to automated reactor systems, where viscosity, density, or even closure design of our containers matters.

    We learn just as much from offbeat uses: a polymer manufacturer seeking entirely fresh catalytic conditions sent us their entire experimental run log after noticing an unexpected haze at high loadings. Collaborative troubleshooting identified a low-level impurity introduced at an early stage, and we reworked both the process and subsequent lots to prevent recurrence.

    Professional partnerships blossom on transparency. Customers keep us sharp by pushing for shorter lead times, better logistics, or tweaks in packaging—sometimes just a change in bulk container capacity fits their filling line better and increases output. We have built a system nimble enough to handle these requests without losing speed or increasing the risk of cross-contamination.

    Comparison with Commodity and Specialty Alcohols

    In the market for C6 alcohols and their analogs, some chemists consider switching to or from 2-hexanol, 1-hexanol, or other alkynes. Direct experience taught us where the differences drive outcomes. 2-Hexyn-1-ol’s unique reactivity path—due to both its alkyne and primary alcohol—creates a window of selectivity not shared by the saturated alcohols. Hydrogenation, palladium-catalyzed coupling, and Sonogashira-type connections all benefit from this enhanced selectivity.

    Substitution patterns affect everything from odor and flavor to synthetic utility. For example, in fragrance construction, 2-Hexyn-1-ol adds brightness and crispness to a formulation that more common hexanols miss. In pharmaceuticals, it often acts as either a short-lived intermediate or as a handle for further functionalization—roles poorly served by less reactive or incompatible analogs.

    Compared to higher-alkynol homologs, 2-Hexyn-1-ol’s volatility and water affinity allow for easier isolation and workup, especially on semi-batch or continuous systems. We support these process advantages through modular production lines, so scale-up does not introduce new issues or carry unintended consequences for purity or stability.

    R&D Support and Future Synthesis Trends

    Directly manufacturing 2-Hexyn-1-ol gives us front-row insight into trends in application and synthesis. Lately, we have noticed a shift toward more functionalized alkynols for next-generation catalysts and surface active agents, with research groups seeking higher purity, unique isotopic labeling, or detailed impurity mapping.

    Our team often collaborates with clients at the research proposal stage, allowing us to factor in production requirements and share practical notes from recent scale-up projects. We monitor cutting-edge methods including green synthesis protocols, biocatalytic routes, and flow chemistry, staying ready to adopt new technology that boosts sustainability or economic viability.

    Some larger customers integrate our manufacturing site visits into their quality audits. This open-door approach both sharpens our operation and demonstrates to new clients our commitment to continuous improvement and practical reliability. As innovation marches forward, we keep pace not just by making high-purity product, but by learning as much as possible about the next requirements facing chemists, engineers, and procurement leads.

    Collaborative Solutions to Common Challenges

    Making 2-Hexyn-1-ol isn’t just about reactor scale or raw material costs. Fine-tuning a product for one customer might require extra filtration to remove traces of copper, while another client needs a certain water content for direct solubilization in their process. These requests don’t slow us down; they strengthen our process by pointing out optimization opportunities hiding in routine feedback.

    Our technical service representatives spend time in real production environments, asking hard questions about small yield drifts or unexpected downstream results. Whether it concerns solubility, metal contamination, or downstream purification, the onsite experience we have gained from thousands of campaign hours creates direct value for end-users struggling with daily production pressures.

    Learning through solving these operational puzzles keeps our entire crew sharp and motivated. Success in direct manufacturing comes not from keeping secrets but from sharing what works, listening to the market, and building each batch with both precision and adaptability. The strength of our 2-Hexyn-1-ol lies in the collective experience built up over years of iterative improvement, cross-industry feedback, and direct technical exchange.

    Continuous Improvement: Future-Proofing Our 2-Hexyn-1-ol Production

    Looking back, our drive to reach higher purity, lower defect rates, and stronger environmental controls came not from outside targets, but from the real-world challenges of using 2-Hexyn-1-ol in critical applications. Every time we review production logs or roundtable recurrent issues, we find new margins for improvement, often leading to surprisingly quick process gains. Market expectations are rising, and our standards rise with them.

    Direct manufacturing unlocks advantages in flexibility, speed, and transparency. An intricate understanding of our own chemistry translates into customer-focused solutions, whether you’re debugging a new route, troubleshooting plant-scale production, or gathering long-term regulatory documentation. We invite both new and returning partners to challenge us on the details, shape future specifications, or suggest customization options that save time and reduce waste for everyone in the supply chain.

    Through every improvement and every partnership, we pour our hands-on experience back into every liter of 2-Hexyn-1-ol we ship, ensuring that your next conversion, formulation, or product launch rests on a foundation you can trust—engineered, tested, and refined by manufacturers who live with this chemistry every single day.