Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
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7-Octyn-1-ol

    • Product Name 7-Octyn-1-ol
    • Alias 1-Octyn-7-ol
    • Einecs 212-159-6
    • 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

    909239

    IUPAC_name 7-Octyn-1-ol
    Molecular_formula C8H14O
    Molar_mass 126.20 g/mol
    CAS_number 928-79-4
    Appearance Colorless to pale yellow liquid
    Boiling_point 210-212 °C
    Density 0.877 g/mL at 25 °C
    Flash_point 93 °C
    Solubility_in_water Slightly soluble
    Refractive_index 1.448-1.450 (at 20 °C)
    SMILES C#CCCCCCCO
    PubChem_CID 14142

    As an accredited 7-Octyn-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 a screw cap; labeled with chemical name, concentration, hazard warnings, and supplier details.
    Shipping 7-Octyn-1-ol is shipped in tightly sealed containers under cool, dry conditions to minimize degradation and prevent moisture absorption. Appropriate labeling for hazardous materials is provided, and transportation complies with regulatory guidelines. Protective packaging ensures safety during transit, guarding against leaks or spills. Handle in accordance with relevant chemical safety standards.
    Storage 7-Octyn-1-ol should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and strong oxidizing agents. Keep the container tightly closed when not in use to prevent moisture absorption and contamination. Store the chemical in a chemical storage cabinet, preferably under an inert atmosphere such as nitrogen, and away from incompatible substances.
    Application of 7-Octyn-1-ol

    Applications of 7-Octyn-1-ol in Industrial Manufacturing

    7-Octyn-1-ol plays a critical role as a specialty intermediate in multiple high-value industrial sectors. Our manufacturing expertise ensures this material meets strict technical specifications demanded by downstream applications. The following sectors reflect established practices where our product integrates into customer manufacturing processes under rigorous compliance frameworks.

    1. Agrochemical Synthesis: Herbicide Intermediate

    Major agrochemical producers use 7-Octyn-1-ol as a key alkyne alcohol building block in the targeted synthesis of post-emergent herbicides. Here, the compound enters as a side-chain precursor in custom synthetic routes designed to impart specific bioactivity and degradation characteristics. Downstream partners rely on our material’s defined purity profile to satisfy regulatory submission requirements and batch traceability during new EPA and REACH registrations.

    Industry compliance standards

    • EU REACH Regulation (EC) No 1907/2006 for intermediates
    • US EPA 40 CFR Part 174 - Tolerance and new active review requirements
    • OECD Principles of Good Laboratory Practice (GLP) for process development
    • ISO 9001:2015 Quality Management Systems (production traceability)

    Typical usage ratio

    • 0.5% – 5% w/w in reaction batch, depending on target molecule structure and desired alkyl chain length
    • Ratio adjusted for reaction yield optimization and intermediate purity in multi-step syntheses

    Downstream process integration

    • Charged as starting material in Grignard reactions and alkyne coupling steps
    • Introduced during early-stage alkylation or post-functionalization before formulation
    • Monitored for side-reaction minimization through in-process gas chromatography

    Final product types

    • N-alkynyl substituted aryloxyphenoxypropionate herbicides
    • Sulfonylurea herbicide active ingredients
    • Custom patent-protected crop-protection molecules

    2. Pharmaceutical Fine Chemical Intermediate

    API manufacturers deploy 7-Octyn-1-ol as a synthetic precursor for the alkyne moiety in several small-molecule drug candidates and established actives. Use of this material is strictly governed by ICH and regional pharmacopoeial guidelines to ensure trace-level control over residual solvents, heavy metals, and aldehydes. Production scale-up calls for validated batch records and comprehensive impurity profiling using HPLC and NMR.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP-NF (United States Pharmacopeia – National Formulary): Residue and purity control
    • EMA Guideline on the Specification Limits for Residues of Metal Catalysts
    • Chinese Pharmacopoeia 2025 (for local API registration)

    Typical usage ratio

    • Stage-specific: 0.2–1.5 molar equivalents based on final API scaffold design
    • Proportions set according to synthetic route step, ensuring low unreacted residue

    Downstream process integration

    • Incorporation during carbon–carbon bond formation (Sonogashira, alkyne coupling)
    • Direct input to side chain extension and cyclization steps in kilo lab to GMP pilot scale
    • Embedded inline QC with FTIR and LC-MS during critical path synthesis

    Final product types

    • Oncology and antiviral API intermediates
    • CNS-active pharmaceutical compounds
    • Generic and patented small-molecule APIs requiring alkyne derivatives

    3. Fragrance Ingredient Synthesis

    In the high-end fragrance supply chain, 7-Octyn-1-ol serves as a C8 alkyne-functionalized alcohol used by aroma chemical blenders for the synthesis of musk and woody odor building blocks. Strict adherence to IFRA safety standards and allergen reference thresholds is required throughout production. The compound’s reactivity profile supports the formation of macrocyclic musks and lactones that define signature fragrance notes in luxury formulations.

    Industry compliance standards

    • IFRA (International Fragrance Association) Standards and Guidelines
    • EU Cosmetics Regulation (EC) No 1223/2009 – prohibited substances listing
    • Cosmetic Ingredient Review (CIR) safety assessments
    • ISO 9001:2015 (ingredient traceability and documented perfumery QC)

    Typical usage ratio

    • 0.2% – 1.0% of blend composition in aroma ingredient synthesis
    • Proportion adjusted for olfactory intensity and compatibility in musk lactone production

    Downstream process integration

    • Added at lactonization or macrocyclic ring closure steps
    • Modified using mild oxidation or hydrogenation for scent profile adjustment
    • Subject to GC-MS purity analysis prior to distillation blending

    Final product types

    • Macrocyclic musk intermediates
    • Woody tone aroma chemicals
    • Fine fragrance accord bases used in perfumery and high-end cosmetics

    4. Electronic Chemicals: Photoresist Monomer Precursor

    Leading microelectronics manufacturers incorporate 7-Octyn-1-ol in the custom synthesis of alkyne-modified monomers for advanced photoresist formulations. The unique linear structure enables precise pattern transfer and improved solubility contrasts during semiconductor lithography. Materials undergo ultra-high purity processing, meeting electronic-grade thresholds critical to achieving low-defect photolithography for IC substrate production.

    Industry compliance standards

    • SEMI C1-0702 (Specification for Liquid Chemicals)
    • JEITA Standards for Chemicals Used in Electronics Manufacturing
    • ISO 14644-1 Cleanroom compliance
    • Internal customer-defined low ion, metal, and particle content limits (e.g., <10 ppb heavy metals)

    Typical usage ratio

    • 0.1% – 0.5% of total monomer feed in advanced photoresist synthesis
    • Exact percentage determined by resolution and sensitivity requirements for lithography node

    Downstream process integration

    • Reacted in Michler’s ketone catalyzed polymerizations for photoactive compound modification
    • Composition is controlled during monomer blending and prepolymerization
    • Final product filtered through sub-micron systems to assure absence of particulate contamination

    Final product types

    • Positive and negative-tone photoresist formulations
    • IC substrate patterning materials for deep-UV and EUV lithography
    • Printed circuit board manufacturing chemicals

    5. Specialty Coatings and Adhesives: Crosslinker Synthesis

    Industrial formulators utilize 7-Octyn-1-ol as a functionalizing agent in crosslinker intermediate synthesis targeting high-performance coatings and structural adhesives. The compound’s terminal alkyne group enables click-crosslinking with azide counterparts, supporting rapid-cure two-component systems designed for automotive, aerospace, and electronics assembly. Customer processes specify input controls to maintain lot-to-lot consistency crucial for mechanical strength and adhesion performance.

    Industry compliance standards

    • ISO 9001:2015 for manufacturing and change control
    • Automotive OEM specifications (e.g., Volkswagen TL 226, GM GMW16323 where required)
    • RoHS 2011/65/EU and REACH Annex XVII (restricted substances)
    • ASTM D638 and ASTM D1002 for mechanical testing of adhesives and coatings

    Typical usage ratio

    • 0.3% – 2% active component in crosslinker intermediate batches
    • Adjusted for resin molecular weight and targeted network density of finished product

    Downstream process integration

    • Co-introduced with polyisocyanate or epoxy resin premixes during crosslinker synthesis
    • Monitored using NMR and GPC for degree of functionalization
    • Final intermediate incorporated in adhesive or coating formulation blending lines

    Final product types

    • Two-component structural adhesives (e.g., for automotive and aerospace panels)
    • Specialty industrial coatings for electronics and precision devices
    • High-performance sealants and potting compounds
    Free Quote

    Competitive 7-Octyn-1-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.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

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    Certification & Compliance
    More Introduction

    7-Octyn-1-ol: Direct from the Source

    As manufacturers, we handle every step — from raw material selection to final distillation — which gives us a real window into the behavior and potential of 7-Octyn-1-ol. There’s no substitute for the time spent in our own plant, running each batch under watchful eyes and learning how this unique molecule responds to different conditions. Customers often ask how this compound stands apart from other alkyne alcohols or more common synthetic building blocks. The answer sits in its structure, but more so in its stubborn purity and reactivity, qualities only achievable through consistent refining and scrutiny at every stage.

    Practical Approach to Purity

    Many chemists learn early that 7-Octyn-1-ol can demand vigilance across its entire journey. Some sources might describe a clear liquid with a faint, sharp odor, but behind those surface features sit key details: a triple bond anchoring one end, the hydroxyl group at the other, and a linear C8 chain. Each functional group requires proper control. Our facility uses stainless lines, inert atmosphere handling, and a gentle vacuum distillation, since trace water or oxygen invites side reactions that spoil subsequent steps for our customers. Measures like these help deliver a product with single-digit ppm water content and tight control over impurities, supplying material ready for dependable downstream chemistry.

    Fit for Scale-Up and Lab Innovation

    Folks working at the bench or on the plant floor both recogize the headaches from off-spec material. Leaks during storage, fluctuations in distillation temperature, even barely perceptible changes in nitrogen purging — any one can show up as underestimated by those working far from the source. We field questions on how our batches vary from others on the market, and our answer always comes down to hands-on oversight. Rigorous batch logs, sample-by-sample GC analysis, and retention time benchmarking have given us a solid profile across the years: this isn’t just high-purity, it’s a replicable process. Those relying on our product aren’t coping with mysterious impurities that gum up catalysts or poison enzymes. Instead, they measure predictable results, whether they’re scaling to a reactor or perfecting a synthetic route.

    Tangible Differences from Related Alcohols

    Comparing 7-Octyn-1-ol to its shorter- or longer-chain relatives, or to the more rigid propargylic alcohols, quickly reveals the value of a C8 backbone. This balance of hydrophobic tail and reactive functionalities unlocks selectivity in ethoxylation, click chemistry, or functional group transformation. For customers who tried hexynols or decynols with stubbornly different reactivity or solubility, the fit sometimes comes down to chain length and its subtle influence on boiling point and miscibility. Our supplies have helped customers cut wasted time matching solvent profiles or reactivity with reaction partners — small shifts in hydrophobe/hydroxyl balance can tip an entire formulation from sludgy separation to crisp one-phase performance.

    Reliability Over Guesswork

    Cutting through hazy specifications or vague shipment details became a core part of our business after hard lessons at scale. Years of running pilot reactors gave us plenty of insight into where variability usually sneaks in: trace acetylene contaminants, ambiguous packaging, mismatched batch documentation, or simply inconsistent customer feedback. Each of these issues means more wasted material, time-consuming re-tests, and an uphill climb to pass quality control. Standardizing SDS language or toggling suppliers is a band-aid approach — what actually moves the needle is knowledge of our entire process, from fresh feedstock to finished drum. If a variant emerges, we’re onto it before it leaves the plant, and we’ve invested in regular audits to keep our quality story defensible, repeatable, and transparent.

    Supporting New Applications through Direct Partnership

    The 7-Octyn-1-ol that leaves our line often heads into synthesis of specialty surfactants, intermediates for advanced coatings, or pharmaceutical precursors. Research teams use it in azide-alkyne cycloadditions, while production chemists count on its straightforward reactivity in O-alkylation or cross-coupling protocols. Our technical team keeps notes from real-world tests: issues like sluggish reaction rates or excess foaming can point to minor impurities upstream. We’ve worked shoulder-to-shoulder with users scaling new manufacturing routes, troubleshooting process hiccups, or tuning key parameters. Unlike trading houses or brokers, this hands-on support rests on years standing next to the very reactor vessels, watching color, pressure, and smell with practiced care. Where industrial clients struggle with alternative sources or inconsistent blends, we step in with samples, repeated analyses, and clear historical data. That shared investment leads to less batch-to-batch drift and tighter product folders for regulatory or patent filings.

    Traceability and Technical Transparency

    End users — especially those bound for regulated industries or high-spec research — ask for track records and open technical data. We keep full records: starting material lot numbers, production parameters, chromatography files. If a customer returns with a question about specific gravity, spectral purity, or thermal stability beyond what’s marked on the datasheet, we give supporting results, not generic statements. Our synthesis route avoids hazardous shortcuts and skips over routes known for introducing hard-to-purge byproducts. Batch numbers track back through our own reactors, so every drum or flask can be fingerprinted in a real audit or material trace. The value in this rigor isn’t theoretical — it pays off after repeated synthesis runs, as purity or reactivity lot-to-lot rarely drift outside tight tolerances. For us, that’s the difference between commodity material and a partner ready for new challenges.

    Use Cases and Customer Experience

    We see our 7-Octyn-1-ol heading out to customers across uneven terrain — from lab benches to driven flows in bulk reactors, from flavor chemistry hallways to high-throughput pilot plants. Synthetic chemists lean on its straightforward alkyne click chemistry for triazole-coupled bioconjugation, or in advanced polymer architectures needing terminal alcohols for further functionalization. Manufacturers blending surfactants or advanced coatings reach for its long-chain backbone, counting on the reliable miscibility and low volatility. Production teams give feedback about smoother emulsification, better recovery from work-up, and less tendency for residue buildup versus off-the-shelf grades. One industrial formulator shared how switching away from generic alkyne alcohols sped up their phase transfer without choking distillation lines in side products, a lesson you only uncover through repeated trials. At each step, our own process keeps open lines for feedback — what worked well, what surprised, and what invites further adjustment.

    Difference Is in the Details

    The comparison with more common alkynols — hexynols or decynols — sits at the core of our expertise. Too short a chain, and volatility or solvent compatibility suffers. Too long, and crystallization or phase compliance turns unpredictable. Customers have tried less-controlled sources from bulk traders and found themselves fighting odd smells, color drifts, or sudden purity drops. Our process captures the fickle volatility of the C8 chain and centers production in closed reactors with real-time monitoring. This level of vigilance saves time for advanced synthesis, where byproduct control, reaction speed, and subtle impurity profiles draw a hard line between scalable protocols and weeks lost troubleshooting. More than lab talk, this repeatedly proves out on the plant floor, in front of regulators, or during new product ramp-ups.

    Improvements from Hands-on Manufacturing

    No lab develops in a vacuum. Our own crew has learned to refine reaction times, optimize catalyst usage, and track how even slight atmospheric impurity creeps into final grams. Testing across hundreds of stored samples, we know what triggers batch deviation — shifts in column temperature, oxygen incursion, or even a supplier’s change in drum lining. These aren’t mere bullet points on a datasheet; each tweak leads to material that runs cleaner, reacts more sharply, and ships with fewer headaches downstream.

    Challenges and Targeted Solutions

    One of the biggest hurdles for downstream users came from material that drifted from spec — batch heterogeneity, out-of-range acidity, invisible traces of solvents from rushed syntheses. A missed spec wastes not just a batch, but sometimes weeks of planning. Targeted GC analysis, hands-on troubleshooting, and constant feedback from active users gave us direct insight into what really mattered: managing side reactions during triple bond formation, scrupulous cleaning between runs, and shipping in inerted containers. Quick response, sample testing under real-use conditions, and honest evaluation set apart repeat customers who see value beyond a competitive price. Hands-on support means more than answering emails; it shows up in being present for trial runs, reviewing chromatography, or running split lots for fine-tuned applications.

    Unlocking New Possibilities

    Some of the most exciting progress we see comes from customers confronting limitations with other substrates. The acetylenic alcohol group can sometimes drive hard-to-control selectivity; we’ve found conditions and additives that improve yields or control polymerization, especially for those scaling beyond flask trials. Engineering feedback around storage, batch lifespan, and compatibility with less-obvious reagents (organometallics, peracids) flows back into our ongoing process reviews. This two-way exchange opens up space for new product lines — advanced surfactants responding to changing regulatory standards, bioconjugates entering clinical trial scale-up, new catalysts for click synthesis. Results come by confronting failures and keeping a direct line from production to application, instead of breaking the loop through intermediaries.

    Consistency and Industry Impact

    Years on the shop floor have proved that consistent quality doesn’t come from paperwork or copy-paste assurances. It’s built through hands-on manufacturing, sample-matched process logbooks, and feedback from working chemists. Customers working in fine chemical manufacture, advanced research, or process optimization test our material under relentless scrutiny. Batch consistency boosts not just yield and reproducibility but also morale, as technical teams gain time tackling new formulations rather than tracking down erratic supply chains. Reliable access, real logistics, and transparent data allow our partners to meet deadlines, streamline routes, and pass audits without losing time to requalification or surprises.

    Compliance Through Direct Control

    Regulatory changes and evolving industry standards place pressure on traceability and data transparency. We maintain direct control from raw material acceptance to each packaged drum. This oversight isn’t about checking boxes, but about preserving a real-world history of every batch. Long partnerships with downstream users lead us to supply APIs, specialty coatings, and process intermediates for teams that build protocols around predictability. Technical files get updated with every process change, and continuous improvement cycles link practical experience to regulatory response. Our teams aren’t strangers to line audits, process walkthroughs, or responding to detailed technical questionnaires, because they learn continuously from every batch that leaves our line.

    Reducing Waste and Maximizing Usability

    One overlooked area with 7-Octyn-1-ol comes from waste and losses. Distributors not directly involved in manufacture rarely see the cost of off-spec or contaminated material, which hits hardest during large-scale runs or repeated lab trials. We’ve worked closely with partners to review solvent choice, trace impurity sources, and adapt packaging to fit exact batch needs, reducing clean-up, minimizing rework, and keeping operations moving. A drum that leaves our plant matches the order specs not only on paper, but through an unbroken chain of hands-on checks and clear communication. We measure success in how many repeat batches a partner orders after real-world use and how rarely material gets returned for rework or credit.

    Experience: The Foundation for Trust

    Our commitment to 7-Octyn-1-ol doesn’t rest on abstract product features but grows out of daily work at the intersection of plant chemistry, logistics, and responsive technical support. Customers building new processes or exploring challenging synthesis routes know the value of this experience: fewer failed runs, actionable troubleshooting, and a straight answer to tough questions. Challenges come, but our team’s history with this compound and ongoing partnership with leading innovators keeps us learning—and ready to support whatever’s next.