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1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne

    • Product Name 1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne
    • Alias Machaeriol B
    • Einecs 249-696-7
    • 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

    930924

    Iupac Name 1-Hydroxy-6,6-dimethylhept-2-en-4-yne
    Molecular Formula C9H14O
    Molecular Weight 138.21 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point Estimated 190-210°C
    Density Approximately 0.86 g/cm³
    Solubility In Water Low, insoluble
    Functional Groups Alcohol, alkyne, alkene
    Cas Number N/A (no widely registered CAS)
    Flash Point Estimated ~80°C
    Smiles CC(C)(C)CCC#CC=C(O)C
    Refractive Index Estimated 1.44-1.46
    Storage Temperature Store at 2-8°C

    As an accredited 1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle, sealed with a screw cap, labeled “1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne, 25 g,” includes hazard warnings.
    Shipping 1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne is shipped in tightly sealed, chemical-resistant containers, protected from moisture and direct sunlight. Handling requires appropriate labeling and documentation in compliance with hazardous materials regulations. Temperature control and secondary containment may be necessary to prevent leaks or degradation during transit. Ensure compatibility with other shipped substances.
    Storage 1-Hydroxy-6,6-dimethyl-2-heptene-4-yne should be stored in a tightly sealed container, away from sunlight, heat, and ignition sources. Store in a cool, dry, well-ventilated area, separate from incompatible substances such as oxidizers and acids. Ensure proper labeling, and avoid moisture exposure. Personal protective equipment should be worn when handling to prevent skin or eye contact and inhalation of vapors.
    Application of 1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne

    Applications of 1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne in Industrial Manufacturing

    As a direct manufacturer, we supply 1-Hydroxy-6,6-dimethyl-2-heptene-4-yne for specific high-value sectors where this raw material provides unique benefits in downstream chemical and functional material synthesis. Our precision production process and traceable quality system support large-scale integration in demanding industrial environments. Below we outline genuine, established application scenarios with full process and compliance transparency.

    1. Photoinitiator Synthesis for UV-Curable Coatings and Inks

    Specialty downstream formulators include this compound as a key building block during the manufacture of advanced photoinitiators used in UV-cured printing inks, industrial coatings, and adhesives. Its molecular structure enables efficient light-activated polymerization. Batch and continuous processes rely on controlled dosing during the photoinitiator active phase formation, where hydroxyl functionality participates in reaction completion and solubility modulation.

    Industry compliance standards

    • REACH (EC 1907/2006) for chemical safety
    • EN 71-3:2021 Safety of Toys – Migration of elements (for printing inks)
    • ISO 9001:2015 Quality Management System
    • Swiss Ordinance on Materials and Articles in Contact with Food (for food packaging inks)

    Typical usage ratio

    • 1.0–4.0% by weight in photoinitiator precursor blends, adjusted for polymer type and target cure speed

    Downstream process integration

    • Added during intermediate formation in photoinitiator synthesis before final purification
    • Dosed into batch reactors under inert nitrogen to control side reactions during acetylenic coupling

    Final product types

    • UV-cure printing inks (commercial and packaging)
    • UV-cure plastic and wood coatings
    • High reactivity adhesives and sealants
    • Photoinitiator additives for specialty applications

    2. Electronic Chemical Intermediates for Photoresist Manufacturing

    Producers of advanced photoresist chemicals for the semiconductor and flat panel display industry use this raw material to introduce alkynyl and allylic functionalities, essential for precise solubility control and tailored energy absorption. The compound facilitates cross-linking sites required in the pattern-forming chemistry of modern lithography resists. Downstream integration requires tight control of purity and moisture content to avoid process defects.

    Industry compliance standards

    • SEMI C94-0717 Specification for Advanced Photoresist Materials
    • ISO 14644 Cleanroom manufacturing requirements
    • IATF 16949:2016 (if used in automotive semiconductor supply chains)
    • RoHS Directive (2011/65/EU) for hazardous substance restrictions

    Typical usage ratio

    • 0.5–2.0% by weight incorporated in monomeric photoactive compound synthesis
    • Ratio adjusted according to target resist thickness and exposure wavelength (DUV/EUV)

    Downstream process integration

    • Fed into flow reactors as a reagent during resist polymer architecture construction
    • Pre-dried and filtered inline before metering to avoid particle contamination

    Final product types

    • Advanced photoresist formulations for semiconductor wafer fabrication
    • Display photolithography resists
    • Microelectronic device patterning chemicals

    3. Fine Chemical Building Block in Pharmaceutical Intermediate Production

    API (active pharmaceutical ingredient) and intermediate manufacturers utilize this compound to introduce specific functional groups required in custom syntheses of anti-infectives and antiviral agents. Its propargylic alcohol structure enables efficient coupling and cyclization reactions in multistep routes. Only controlled cGMP facilities deploy this material, with detailed QC monitoring from receipt through finished intermediate release.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP General Chapter <1> Inorganic Impurities (for pharmaceutical grade processes)
    • 21 CFR Part 211 – Current Good Manufacturing Practice for Finished Pharmaceuticals
    • EDQM CEP certification where required by European end-users

    Typical usage ratio

    • 0.2–1.5 molar equivalents relative to main reactant, depending on route and target intermediate
    • Ratio optimization validated under process development and scale-up

    Downstream process integration

    • Charged as a coupling agent or reactant in key bond-forming steps—often a Sonogashira or cyclization protocol
    • Maintained under oxygen-protected conditions to ensure structural integrity and avoid byproduct formation

    Final product types

    • Chiral and achiral pharmaceutical intermediates
    • Precursor scaffolds for small molecule APIs (e.g., anti-viral, anti-infective agents)
    • Targeted research compounds for medicinal chemistry

    4. Synthetic Fragrance Intermediate in High-Performance Aroma Chemicals

    Manufacturers of functional aroma compounds leverage the unique branched alkyne alcohol structure as a precursor during specialty esterification steps. The raw material's skeleton introduces long-lasting, high-impact tones as part of luxury and industrial fragrance bases. Downstream process steps require careful distillation and azeotropic removal of byproducts to prevent olfactory contamination in the final composition.

    Industry compliance standards

    • IFRA (International Fragrance Association) Code of Practice
    • REACH (EC 1907/2006) for supply chain traceability
    • ISO 9001:2015 implemented in flavor and fragrance production
    • GMP (EFfCI or ISO 22716) if intended for cosmetic end-use

    Typical usage ratio

    • 0.05–0.5% in intermediate formulations for esters and polyols
    • Varied by fragrance profile intensity and efficacy in the blend

    Downstream process integration

    • Dosed in the esterification reactor during fragrance base manufacturing
    • Monitored for completeness and odor threshold using GC-MS and organoleptic panels

    Final product types

    • Luxury fine fragrances for perfumery
    • Long-lasting aroma compounds for air care
    • High-impact additives for detergents and fabric softeners
    Free Quote

    Competitive 1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne 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.

    We will respond to you as soon as possible.

    Tel: +8615371019725

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    Certification & Compliance
    More Introduction

    1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne: Manufacturing Know-How and Applications

    Deep Roots in Chemistry, Built for Performance

    At our chemical manufacturing facility, 1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne grew out of a specific need in synthetic chemistry for high reactivity combined with selectivity. Years before this molecule gained commercial attention, our team spent countless hours refining procedures for crafting unsaturated alcohols that balance functional group compatibility with thermal stability. Chemists facing complex multi-step syntheses pointed out two frequent pain points: reactivity hot-spots leading to side reactions, and physical instability of traditional terminal alkynols. Our process for producing 1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne addresses both of these concerns.

    Product Model and Purity: Built Into Every Batch

    We specify our product by the confirmed molecular structure C9H14O, delivered as a clear, slightly amber liquid, with a minimum purity threshold well above industry standards. Rigorous GC analysis and multiple-point NMR verification leave little room for unidentified impurities or isomerization products. Real-world labs want things straightforward — no surprises in spectral data, no unexplained peaks on a chromatogram, just a substance they can trust through the entire reaction scheme.

    We ship in glass or certified HDPE containers to prevent leaching, and every container label ties back to a batch QC file with precise lot data and test results. The quality control isn’t just for regulatory comfort, it’s foundational to every downstream synthesis: a predictable starting material saves troubleshooting later.

    Why Synthesize This Compound? Hearing From Our Customers

    Most folks who reach out for 1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne fall into two main groups. The first are organic chemists building complex frameworks via stepwise alkyne coupling or selective hydration. This compound slots in seamlessly when researchers want to anchor diverse functional groups while maintaining a flexible alkynyl handle. By offering both a hydroxyl and a triple bond in a single scaffold, it enables a variety of accessory chemical transformations: cyclizations, oxidative couplings, or straightforward addition reactions. More than once, a customer has surprised us by reporting the use of our compound to access cyclic ether intermediates, all based on selective intramolecular reactions made possible thanks to the specific geometry and substituent pattern of this molecule.

    The other main set includes R&D teams scaling intermediates for API (Active Pharmaceutical Ingredient) development. Because of steric hindrance offered by the dimethyl groups at position 6, our compound resists many classic side paths, giving chemists a leg up in controlling reaction outcomes. The direct feedback we receive from these manufacturing chemists centers around product consistency: repeated loading and competent reactivity in Grignard, Sonogashira, or gold-catalyzed cross-couplings.

    Handling Challenges and Real-Life Considerations

    1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne rarely shows up in lists of beginner-friendly chemicals. That’s no accident. The molecule’s unsaturation and hindered geometry demand chemical experience and attention during storage and use. Our own manufacturing facility keeps material isolated from acidic or basic contaminants to prevent polymerization or spurious rearrangements. Bottling always happens in environments where oxygen, moisture, and daylight are tightly regulated. These measures may sound extreme to outsiders, but working chemists recognize their practical value in protecting both product and process.

    We often advise industrial users and academic groups alike: treat every batch like a fresh research challenge. Don’t assume one manufacturer’s product has the same shelf life, volatility, or reaction “feel” as another’s. We have spent years tracking how bottling material at too high a temperature or using improper pump seals can introduce trace hydrolysis — enough to affect downstream yields. These details underpin the reliability chemists need, and it’s why we constantly monitor our process controls.

    Comparisons: What Sets This Compound Apart

    Plenty of alkynyl alcohols circulate on the commercial market, including basic propargyl alcohols or simpler alkyne structures. What separates 1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne is the unique combination of branching at C6 (dimethyl substitution), placement of the hydroxy group at C1, and the position of the triple bond. Most off-the-shelf alternatives lack this simultaneous steric hindrance and synthetic flexibility.

    Take for example the comparison with standard 1-heptyn-4-ol derivatives: these often lack both the electron-rich environment and the selectivity advantages of our compound. Steric factors introduced by the gem-dimethyl groups on C6 shield the reactive centers from competitive side reactions, which translates directly to better product yields in multi-component reactions. Furthermore, the molecule features an internal double bond, providing greater scope for olefin metathesis or selective addition strategies. We’ve watched leading academic teams choose our material over simpler versions because they see fewer by-products and enjoy better scale-up performance.

    For chemists who rely on robust intermediate steps, the stability our product offers lets them move forward without constant purification, saving weeks of troubleshooting and extra chiral separations. In the real world, that has meant rapid progress from route scouting to scale-up, whether for pharma pipelines, specialty monomers, or next-generation materials.

    Improving the Manufacturing Path: Lessons From the Floor

    We built our synthetic approach to 1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne through trial, error, and listening. Not content to copy literature methods, our technical crew optimized routes that improve step yield and limit hazardous reagents wherever possible. We favor routes starting with robust alkyne precursors, using selective organometallic coupling followed by stereoselective hydroxy introduction. This minimizes by-product load and makes the work-up much less labor-intensive.

    Process monitoring isn’t left to periodic QC sampling. Every major reaction step undergoes in-line spectral verification. Our operators have developed the habit of treating each intermediate much like a culinary chef checks every stage of a meal — a single misstep and the next batch might run off-spec. By tracking parameters such as solvent quality, temperature ramp rates, and real-time NMR, we keep output reliable and scalable.

    Disposal of spent catalysts or side-reaction wastes is a headache in every synthetic chemistry shop. We respond to this by developing closed-loop collection and distillation pathways for key reaction solvents, returning more than half of our solvent volume per cycle back to line. These measures aren’t only about cost — they reduce overall plant emissions and keep our team in good standing during environmental audits.

    Field Uses: Real Value for Practicing Chemists

    The main end-use stories we gather from our network center around two themes: complexity-building and control. Synthesis specialists chase ever more intricate targets, and they report back that the flexible substitution pattern of our compound unlocks new transformations. One medicinal chemist in our circle referenced a recent breakthrough in their route to a polycyclic core by leveraging both the alkyne and enol functionalities for orthogonal protection strategies. This approach shortened project timelines and undermined the roadblocks posed by isomerization-prone intermediates.

    Industrial customers focused on pilot plant operations value the thermal tolerance and shelf stability built into our process. Reactors feeding kilo-scale runs need reliable materials month after month. By contrast, academic researchers interested in probe molecules for mechanistic studies appreciate the well-characterized NMR and IR spectral identity. One user pointed out the minimal baseline drift and repeatable retention times delivered significant time savings in high-throughput screening.

    We notice that the difference between reported lab literature performance and real-world shop floor outcomes hinges on batch consistency and easy QC. Many customers now require a Certificate of Analysis with each delivery, but our practice has long been to provide comprehensive analytical packages for each lot. This supports quick troubleshooting should downstream chemistry take an unexpected turn.

    Safety and Honest Handling Advice

    Every chemical offers challenges if not treated with respect. 1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne falls among substances that reward controlled handling. Our own plant’s experience shows that minor negligence in cap sealing or temperature control can degrade the product over weeks. Storage away from acids and strong bases is essential — the combined unsaturation and hydroxyl functions react readily under catalytic conditions. Practicing chemists focus on keeping every bottle capped tightly, storing it cool, and checking for clouding or unusual color changes before use. We see safety not as a regulatory box to check but as the only way to ensure each subsequent batch meets expectations.

    We guide customer teams to use basic PPE — gloves, goggles, and appropriate ventilation — in addition to avoiding open flames or uncontrolled heat sources. Using a dry box or inert atmosphere during transfers keeps things smooth. Our in-house incidents over ten years on this molecule have dropped to zero since refining these simple, routine practices.

    Scaling Challenges and Customer Questions

    Many users look to scale up once initial results appear promising. Going from grams to tens or hundreds of kilos, the challenges multiply. Heat management shifts from a side note in the fume hood to a central concern in jacketed vessels. Viscosity and batch homogeneity change as well, thanks to slight shifts in impurity load or micro-exotherms during addition. Over the years, a key insight involves staggered dosing of starting alkyne material, rather than batch charging all at once. That simple adjustment curbs runaway heat and tightens product purity within required specs.

    Questions about shelf life come up each year. The short answer remains: handled well, product integrity holds for months. Chemically speaking, the risk is absorbance of ambient water or rogue atmospheric acids catalyzing by-product formation. Visual inspection and quick TLC check let users spot early warning signs before any major synthesis step. As a manufacturer, we take pride in forewarning buyers about potential issues, not hiding behind dense technical jargon.

    Feedback-Based Solutions: The Evolution of Our Practice

    Direct manufacturer-to-user dialogue shapes the way we make and deliver 1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne. Each technical question, product performance report, or handling hiccup informs our standard operating procedures. After one pharmaceutical team shared challenges with reaction scale-up due to unexpected exotherms, we retrofitted our on-site storage containers to include real-time temperature logging. Others suggested clearer labels regarding recommended maximum storage times; we built this into our packing slip documentation so end-users have no doubt as to usage windows.

    One recurring theme in feedback involves purification. Some processes tolerate trace quantities of minor isomers, but for those requiring absolutely clean conversions, we’ve invested in expanded distillation and automated flash chromatography setups. These minimize cross-contaminants and let every client — whether running milligrams or kilograms — access the same high-purity starting point.

    Our technical support team consists entirely of chemists, not call-center script readers. This direct chemist-to-chemist conversation bridges knowledge gaps and prevents wasted hours chasing subtle issues. In more than one case, our recommendations on solvent choices or reaction quenching methods have helped customers sidestep yield losses or contamination headaches.

    Why Staying Close to Manufacturing Matters

    Plenty of material on the open market traces back to unknown or indirect supply chains. Our experience points to a continuing need for clear provenance and close relationships between manufacturer and end user. Chemists using 1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne value not just the molecule but the reliability and open lines of communication behind every shipment. This approach means faster problem-solving and less risk of supply interruptions.

    It’s tough to overstate how much difference comes from knowing your source. From adjusting for subtle seasonal changes in raw material purity to tuning bottling schedules that align with global transit times, these details only come from a manufacturer-oriented workflow. Our team has built enduring relationships with both small startups and global players, grounded in a strong record of open technical exchange and reliability.

    Looking Ahead: Opportunities for Further Collaboration

    As molecular design becomes more complex, chemists continue seeking starting materials that blend manageable reactivity with multiple anchoring points. 1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne provides a valuable building block for those aiming to extend branching, drive regioselective additions, or control stereochemistry in late-stage intermediates. Feedback from the research front continues propelling our innovation: new purification options, tighter reactivity controls, and clear instructional support help customers advance even faster.

    We see future solutions built on continued collaboration. Closer integration with customer R&D teams lets us tailor delivery, specs, and analytical options in real time. Because we stay focused on manufacturing instead of just trading product, our plant can pivot quickly in response to shifting synthetic requirements or new downstream applications. That sort of responsiveness underpins better chemical science and smoother project outcomes for everyone involved.

    Final Thoughts From the Manufacturer’s Bench

    A great deal of effort and know-how goes into delivering each batch of 1-Hydroxy-6,6-Dimethyl-2-Heptene-4-Yne. For us, it’s not about being just another name on a reagent bottle. Every decision at our facility — from raw material selection to shipping schedules — grows from ongoing feedback and an appreciation for the chemists who reach for our product. Listening to the challenges and successes our users experience steers our own in-house evolution. Over the years, this attitude has created the sort of manufacturer-to-chemist trust that keeps complex projects moving forward with the reliability and technical backbone needed to break new ground in synthesis.