Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

5,7-Dodecadiyne-1,12-Diol

    • Product Name 5,7-Dodecadiyne-1,12-Diol
    • Alias DIYNE DIOL 100
    • Einecs EINECS 248-357-9
    • 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

    283055

    Chemical Name 5,7-Dodecadiyne-1,12-diol
    Molecular Formula C12H18O2
    Molecular Weight 194.27 g/mol
    Cas Number 99675-34-0
    Appearance White to off-white solid
    Melting Point 53-55°C
    Solubility Soluble in organic solvents (e.g., dichloromethane, ethanol)
    Smiles C(CCC#CC#CCCCO)CO
    Inchi InChI=1S/C12H18O2/c13-11-9-5-1-3-7-8-4-2-6-10-12-14/h13-14H,1-2,5-6,11-12H2
    Purity Typically ≥ 95% (as commercially available)

    As an accredited 5,7-Dodecadiyne-1,12-Diol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 5,7-Dodecadiyne-1,12-Diol is supplied in a 1-gram amber glass vial, sealed with a screw cap for protection.
    Shipping 5,7-Dodecadiyne-1,12-Diol is shipped in tightly sealed containers under an inert atmosphere, protected from light and moisture. It should be handled as a flammable solid, complying with relevant regulations on hazardous materials. Packaging is robust to prevent leaks, and labels clearly indicate chemical identity and safety hazards.
    Storage **5,7-Dodecadiyne-1,12-diol** should be stored in a tightly sealed container, away from light, heat, and sources of ignition, in a cool, dry, and well-ventilated area. Protect from moisture and incompatible materials such as oxidizing agents. When handling, use appropriate personal protective equipment and avoid any conditions that could lead to polymerization or degradation of the compound.
    Application of 5,7-Dodecadiyne-1,12-Diol

    Applications of 5,7-Dodecadiyne-1,12-Diol in Industrial Manufacturing

    As the original manufacturer, we supply 5,7-Dodecadiyne-1,12-Diol to industry leaders for specialized applications that demand stringent process compatibility and precise performance in downstream products. Below, we detail verified industrial sectors where this material fulfills critical roles in end-use formulations.

    1. UV-Curable Coating Systems for Electronics

    Electronics manufacturers adopt 5,7-Dodecadiyne-1,12-Diol as a hydrophobic diol monomer in high-performance UV-cured protective coatings, especially for printed circuit boards and touchscreen assemblies. Its structure imparts controlled reactivity, enhancing scratch resistance and chemical stability in thin film layers. Quality assessment emphasizes precise dosing to prevent interference with dielectric properties. The material integrates at the reactive oligomer blending stage ahead of photo-initiator incorporation, directly impacting cured network density and ultimately service life of the finished device coatings.

    Industry compliance standards

    • IPC-CC-830B (Qualification and Performance of Electrical Insulating Compounds)
    • RoHS Directive (2011/65/EU)
    • REACH Regulation (EC No 1907/2006)
    • IEC 61215 (for PV module coatings where applicable)

    Typical usage ratio

    • 0.5%–3% by weight in oligomer/monomer blends; fine-tuned based on desired crosslink density and viscosity requirements

    Downstream process integration

    • Premixed with acrylate or epoxy oligomers during prepolymer stage, before UV photo-initiator addition

    Final product types

    • Printed circuit board conformal coatings
    • Capacitive touchscreen protective layers
    • Microelectronic module encapsulants

    2. Specialty Polyurethane Elastomer Formulation

    Engineers in high-value polyurethane elastomer manufacturing use this diol to introduce alkyne functionality, enabling post-polymerization modifications such as click chemistry or controlled branching. The material supports flexible yet highly durable elastomer properties for applications where cyclic fatigue and chemical exposure resistance define commercial viability. It enters the prepolymer stage, reacting with isocyanates to tailor block copolymer architecture and mechanical property profiles.

    Industry compliance standards

    • ISO 9001:2015 (Quality management for elastomer compounding)
    • ASTM D3574 (Flexible Cellular Materials—Slab, Bonded, and Molded Urethane Foams)
    • REACH Regulation (Annex XVII)
    • SPEC 2142-0056 (Automotive elastomer applications, e.g., Daimler)

    Typical usage ratio

    • 0.2%–2% of total polyol content, adjusted for targeted chain length and crosslink frequency

    Downstream process integration

    • Introduced during polyol blending prior to isocyanate reaction, enabling molecular-level tuning of final polymer structure

    Final product types

    • Hydrolysis-resistant seals and gaskets
    • Specialty automotive suspension bushings
    • High-durability conveyor belting

    3. Advanced Crosslinked Polymer Network Synthesis

    In the field of high-performance polymers, 5,7-Dodecadiyne-1,12-Diol functions as a difunctional monomer for constructing alkyne-containing crosslinked networks. It plays an essential role in the production of specialty thermoset resins for aerospace composites and certain ion exchange media. The material’s precise chain length and reactive termini facilitate predictable crosslink points during step-growth or click reactions, and raw material qualification requires batch traceability and residual solvent control to meet demanding downstream application standards.

    Industry compliance standards

    • NADCAP (Nonconventional Processing for Aerospace Polymers)
    • AS 9100 (Aerospace Quality Management)
    • ISO 14644 (Cleanroom standards for precision resins)
    • REACH Regulation (EC No 1907/2006)

    Typical usage ratio

    • 1–4 mol% relative to main polymer backbone monomers; adjusted based on targeted crosslink density and thermal properties

    Downstream process integration

    • Directly incorporated during prepolymer synthesis or fed into bulk polymerization reactors with main monomers

    Final product types

    • Lightweight composite panels (aviation interior/exterior components)
    • Dimensionally-stable instrument housings
    • Chemically resistant ion exchange beads

    4. Photoresponsive Polymer Research and Prototyping

    Academic and industrial R&D labs source this diol to build photoresponsive polymers and surface patterning agents for smart material prototypes. Its alkyne terminal groups allow precise photochemical modifications via cycloaddition or cross-coupling post-synthesis. Usage ratios require strict dosing protocols to balance optical performance and mechanical strength. The diol enters formulations at the monomer engineering stage, preceding polymerization or grafting steps for film and device fabrication under controlled experimental conditions.

    Industry compliance standards

    • ISO 17025 (Laboratory quality calibration for analytical and synthesis labs)
    • Specific institutional EH&S guidelines for hazardous material handling
    • USP Class VI (for prototyping of biomedical-grade films)
    • EU CLP Regulation (Classification, Labelling and Packaging)

    Typical usage ratio

    • 0.1–1 mol% in custom copolymer formulations, paired with photoactive units according to photoreactivity objectives

    Downstream process integration

    • Added at the initial monomer mixing stage for photopatternable resin or coating development

    Final product types

    • Test-scale smart window films
    • Patterned photoresist substrates
    • Prototype microfluidic device coatings

    5. Functionalized Surfactant and Emulsifier Intermediate Synthesis

    Specialty surfactant producers utilize 5,7-Dodecadiyne-1,12-Diol as a hydrophobic backbone for the manufacture of functionalized surfactants and emulsifiers optimized for demanding industrial cleaning and wetting tasks. The molecule’s dual terminal alcohol groups enable efficient conversion via alkoxylation or esterification, imparting custom surface activity profiles tailored for lubrication or anti-static performance. Formulators closely control input ratios to engineer precise HLB (hydrophilic-lipophilic balance) values depending on the target emulsion application.

    Industry compliance standards

    • OECD Guidelines for the Testing of Chemicals (Biodegradability and Environmental Safety)
    • ISO 14001 (Environmental management for chemical manufacturing)
    • FDA 21 CFR 178.3400 (Indirect Food Additives: Adjuvants and Production Aids, for certain applications)
    • REACH Annex XVII (Use restrictions for surfactant intermediates in Europe)

    Typical usage ratio

    • 5%–15% of total reactant input for surfactant core synthesis; adjusted to meet specific chain length and functionalization requirements

    Downstream process integration

    • Acts as a primary diol feedstock in alkoxylation or esterification reactor charge, preceding neutralization and purification steps

    Final product types

    • Industrial cleaning agents (metalworking fluids, precision equipment detergents)
    • Specialized antistatic additives for polymer films
    • Lubricant emulsifiers for high-speed industrial machinery
    Free Quote

    Competitive 5,7-Dodecadiyne-1,12-Diol 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

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    5,7-Dodecadiyne-1,12-Diol: Precision Manufacturing for Niche Applications

    Anyone involved in advanced materials or specialty chemistry runs into certain compounds that stand apart. After years of producing specialty diols, our experience with 5,7-Dodecadiyne-1,12-Diol brings an honest perspective to a product some will never need, but a few can’t do without. This diol’s structure—twelve carbons with two triple bonds and terminal hydroxyls—draws clear lines between routine glycol and a functional intermediate that stands up in demanding synthesis work.

    Production Insight and Model Choices

    5,7-Dodecadiyne-1,12-Diol isn’t a commodity item. Years ago, we fielded more calls asking why anyone would choose an acetylenic diol over a saturated glycol. The answer lies in its backbone—triple bonds at strategic positions, each carbon confidently locked in with unmistakable rigidity. Compared to standard 1,12-dodecanediol, this gives downstream users a tool for building blocks that resist unwanted side reactions and support complicated coupling.

    Every batch starts with pure precursors and carefully controlled steps. Our process developed from trial, error, and a few lessons best not repeated. Copper-catalyzed coupling can go wrong quickly if humidity or slight impurities creep in. We've found a water-white crystal, melting consistently at the expected range, means you haven't cut corners—no lesson more valuable in custom chemical synthesis. The difference between lot failures and on-specification product traces straight back to control—from temperature ramps to vacuum technique and thorough quality checks for acetylene integrity.

    Specifications Built by Experience

    Customers rarely care what a certificate says unless something goes wrong. In our labs, standard color ratings and GC-MS purity matter less to researchers than functional consistency. Years of feedback shaped our acceptance criteria: infrared peaks for terminal alkynes must come up clean, color has to stay low, and moisture—enemy of acetylene—keeps below half a percent. Diol content typically sails through the ninety-eight to ninety-nine percent threshold, but trace contaminants deserve tailored attention.

    We never market vague "technical" or "pure" labels; every container matches the lot data on acetylene content, moisture, and melting profile. Analytical details are more than numbers—they are a measure of how serious we are about real performance, especially for polymerizable and crosslinking uses. Each time a batch passes the "but what can you guarantee" question, the answer builds on a hundred prior runs—not just what the instrument says, but what our people would use in their own research if the tables turned.

    Where 5,7-Dodecadiyne-1,12-Diol Finds Value

    Some products flow through drums by the ton; this one ships to customers thinking far ahead. The terminal diol structure changes the game in polymer design, specialty coatings, and as a synthesis handle in supramolecular chemistry. Straightforward diols have a place, but introducing diacetylene units invites crosslinking under UV, adds structural “kinks” to a polymer backbone, and opens opportunities for molecular recognition systems.

    We’ve seen this compound enable construction of responsive hydrogels, thin films with tunable refractive index, oligomers that polymerize under specific conditions, and frameworks for molecular sieving. Many university labs depend on tightly defined triple bonds for click chemistry and model system assembly. On the commercial side, niche electronics teams request these for sensor platforms that need precisely spaced anchor groups, while biomedical firms chase photoreactive crosslinking properties in diagnostic devices. Cold statistics often miss the ingenuity in these uses—a small quantity in a single application changes an entire downstream process.

    Standing Apart from the Crowd

    Comparisons frequently arise between 5,7-Dodecadiyne-1,12-Diol and more common glycols or other acetylenic diols. Someone buying standard 1,12-dodecanediol aims for flexibility where backbone length matters, but doesn’t require the unique reactivity brought by acetylenes. Removing the double triple bonds from the dodecane chain strips out its main selling point—less ability to participate in click reactions, less crosslinking under UV exposure, no backbone planarization for advanced molecular assemblies.

    Other acetylenic diols, like 1,4-butynediol or 2,4-hexadiyne-1,6-diol, find more routine use, but offer shorter chains or different spacing of reactive centers. Molecular designers contact us with clear intentions: longer chain, strategic diacetylene placement, end-group fidelity, and the option to introduce unique geometry into macromolecular scaffolds. Many commercial suppliers offer similar names, but not always predictable behaviors—a lesson learned painfully by anyone scaling from a gram to a kilogram only to find photocrosslinking fails because of trace saturation or misplaced bonds.

    Handling and Application Know-How

    Experience handling 5,7-Dodecadiyne-1,12-Diol extends far beyond weighing and bottling. Triple bonds love to react with oxygen; routine mistakes include leaving open flasks on the bench or storing under humid conditions. Moisture shortens shelf life and raises side product risks during synthetic work. Every lot sent out leaves with clear instructions—seal tightly, store under argon or nitrogen, and keep cool. For researchers less familiar with alkynes, we share what has worked reliably on our own benches: use gloveboxes when possible, minimize open transfers, and alkalinity control pays dividends when carrying through further functionalization steps.

    Purity worries do not fade at the threshold of distribution. Synthesis teams from biotech or polymer firms expect a clean, unambiguous material. During polymerization, even trace peroxides or oxygenated fragments ruin the end use. Having a repeatable product every order keeps inter-lot variability as the exception, not the rule. Equipment designed for low-oxygen work, trained operators, and methodical batch documentation save far more headaches than any last-minute troubleshooting downstream.

    Challenges in an Evolving Market

    Since chemical demand fluctuates with research trends and regulatory pressure, advanced building blocks rarely enjoy stable long-term orders. New polymer platform? Demand surges for months, fades after a thesis defense or a product realignment. Many customers look for reliability and a relationship based on honest feedback—“Can you deliver next month?” matters more than price. We stake our reputation on knowing what’s possible for our scale, refusing unrealistic requests, and discussing alternative routes without hiding process limits.

    Quality assurance for exotic intermediates like this means watching market signals and stocking raw materials in advance when a new application appears on the horizon. Open dialogue with active users tells us what’s coming months before purchase orders land. For every researcher who contacted us about a possible batch, another five watched price developments and shelf-availability quietly. We maintain flexibility, but never overextend—years in this field taught us: short-term gain from overcommitting ruins credibility fast.

    Building Trust with Direct Production

    Difference between manufacturer and third-party distributor comes into sharp focus once trouble appears. We've witnessed countless examples of resellers losing track of lot histories, shipping stale or out-of-spec material, then dodging accountability. By maintaining direct production and documentation, we track every miss and every win back to original runs. Each barrel, vial, or bottle is traceable—every deviation recorded for assessment, not hidden behind “industry standard” disclaimers.

    A consistent product line hinges on technical stability, not just marketing. Internal scale-up trials, regular validation, and recalibrated process steps distinguish longevity. When odd results reach us—a polymerization stalling, a UV crosslinking test falling flat—the first step always returns to lot history, not guesswork about supplier changes. As a manufacturer, repairs and learning stack up as experience, never outsourced or quietly dropped.

    Feedback, Learning, and Reliability

    Industry and academia rarely move in lockstep; timing differences often complicate batch scheduling. Some partners need tiny research-scale runs, others request pilot-scale syntheses for grant work or product launches. We've heard every “I wish my last supplier told me…” story, usually ending at problems solved by direct communication. We prioritize openness about production windows, realistic minimum order sizes, and batch-to-batch variation, with a goal of shared progress, not just sales.

    Feedback cycles extend beyond surveys or returned drums. We take seriously any report of contamination, mismatched melting points, or failed reactions. Consultation with users brought better analytical checks for oxygenated fragments, more precise moisture control, and tighter handling procedures at dispatch. Each documented major challenge resulted in upgraded protocols—conversations with synthetic chemists and QC specialists shaped the routines now embodied in daily operations.

    Potential and Obstacles for Future Applications

    The versatility offered by 5,7-Dodecadiyne-1,12-Diol will likely continue driving its niche relevance. Photoreactive and mechanically responsive polymers, advanced diagnostics, and molecular electronic devices outline some of the frontiers being explored. Suppliers who ignore the learning cycles and assume one batch will serve all needs fall behind—likely replaced by partners who value adaptation informed by real-world testing and direct feedback.

    Polymer chemists ask about chain spacing, crosslinking density, and the stability of reactive sites. Electronics innovators want to know about anchoring efficiency, reproducibility, and options for functionalization. Biotechnology engineers care about photoreactivity, purity, and structural rigidity. We’ve seen all these groups run up against supply bottlenecks or inconsistent reactivity after a batch shift. Overcoming these problems means tailoring process adjustments, improving analytical checklists, and keeping direct lines open between bench researchers and process chemists.

    Ownership, Not Intermediaries

    Our vantage point—rooted in end-to-end production, control of intermediates, and unbroken material provenance—lets us keep promises in a shifting specialty market. Years of experience taught that transparency, technical honesty, and direct troubleshooting go further than any price cut or marketing superlative. Feedback from tenacious chemists, business managers, and innovators reflects what matters most: reliable batches, repeatable performance, respectful of the investment behind every experiment or startup product.

    5,7-Dodecadiyne-1,12-Diol supplies the right answer for those who exploit its structure. If you see a use for it, you’ve already moved beyond what standard diols can provide. Its unique diacetylene backbone, paired with predictable, repeatable performance, brings specialized capabilities into reach. Mass production paths rarely suit such molecules. Direct dialogue, continuous learning, and meticulous control provide the kind of support that unlocks both current utilities and future breakthroughs for this class of specialty chemicals.