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HS Code |
239679 |
| Chemicalname | Cyclooctene Oxide |
| Casnumber | 1706-03-8 |
| Molecularformula | C8H14O |
| Molecularweight | 126.20 |
| Appearance | Colorless to pale yellow liquid |
| Boilingpoint | 175-177 °C |
| Meltingpoint | -32 °C |
| Density | 0.95 g/cm3 |
| Refractiveindex | 1.465 |
| Flashpoint | 62 °C |
| Solubility | Insoluble in water, soluble in organic solvents |
| Purity | Typically ≥98% |
| Smiles | C1CCC[C@@H]2COC=C2C1 |
| Inchikey | CYZBHIYZVJZWQJ-UHFFFAOYSA-N |
As an accredited Cyclooctene Oxide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Cyclooctene Oxide, 25g, is supplied in a sealed amber glass bottle with a tamper-evident cap, labeled with hazard warnings. |
| Shipping | Cyclooctene Oxide is shipped in tightly sealed containers, protected from moisture, heat, and direct sunlight. It must be handled with care and transported according to local, national, and international regulations for hazardous chemicals, typically under a UN-approved packaging. Appropriate hazard labels and a safety data sheet (SDS) must accompany each shipment. |
| Storage | Cyclooctene oxide should be stored in a tightly sealed container, away from light, heat, and sources of ignition. Keep it in a cool, dry, well-ventilated area, separate from incompatible substances such as strong acids, bases, and oxidizing agents. Ensure proper labeling and limit exposure to air and moisture to prevent degradation or hazardous reactions. |
Applications of Cyclooctene Oxide in Industrial ManufacturingCyclooctene Oxide serves as a critical intermediate in various industrial sectors, supporting specialty polymer synthesis, advanced coatings, electronics materials, and chemical modification processes. As an original manufacturer, we ensure batch purity, technical support, and traceable integration into every stage of client production lines. 1. Cationic-Cure Epoxy Resin Systems for Electronic EncapsulationCyclooctene Oxide is integrated into cationic-cure epoxy resin systems, specifically supporting the development of modified cycloaliphatic epoxies for the electronic encapsulation sector. It provides network flexibility and tailored dielectric properties crucial for semiconductor and LED potting compounds, with regulatory evaluation focusing on electrical and thermal stability performance. Our material enters at the resin formulation blending stage, directly before catalyst and co-monomer addition, allowing formulators to calibrate viscosity-control and crosslink-density for encapsulant customization. Industry compliance standards
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2. Synthesis of Functionalized Polyethers for Medical Device ComponentsIn medical device manufacturing, cyclooctene oxide supports the creation of functional polyether chains that offer targeted hydrophobic and mechanical attributes. Polyether synthesis based on cyclooctene oxide provides distinct ring structure benefits, granting precise molecular weight control and consistent biocompatibility profiles, crucial for regulated healthcare applications. The material is batch-dosed during polymerization, ensuring traceability and validation for devices that enter direct contact with biological tissues. Industry compliance standards
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3. Raw Material for Specialty UV-Curable Oligomer SynthesisCyclooctene oxide enters UV-curable oligomer production for high-performance coatings and photoresist formulations across the coatings and electronics segment. Its controlled epoxide function allows fine-tuning of viscosity, flexibility, and crosslinking density in ring-opened oligomer structures, serving spectrally pure photopolymer systems. Producers introduce the material during oligomer synthesis for applications requiring rapid cure profiles and advanced surface characteristics. Industry compliance standards
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4. Intermediary for Non-Ionic Surfactant and Emulsifier SynthesisCyclooctene oxide supports the synthesis of advanced non-ionic surfactants and emulsifiers used in the formulation of industrial cleaners, pigment dispersions, and lubricant additives. The compound's oxirane structure opens selectively under controlled conditions, facilitating the assembly of tailored ether- or ester-bonded sidechains necessary for demanded performance in high-stress chemical environments. Integration occurs during initial surfactant backbone construction, with tightly controlled reaction temperatures and time-critical dosage. Industry compliance standards
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5. Synthesis Intermediate for Cycloaliphatic Diols in Performance PolyurethanesAs a tailored intermediate, cyclooctene oxide is converted into cycloaliphatic diols via controlled hydrolysis and hydrogenation steps. These diols are essential for manufacturing high-resilience polyurethane elastomers and coatings, contributing to mechanical strength, hydrolytic stability, and clarity in the final product. The intermediate supports fine adjustment of rigidity and flexibility in finished polymers, meeting sector-specific regulatory benchmarks for demanding environments. Industry compliance standards
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Producing Cyclooctene Oxide takes a blend of experience, close attention, and respect for the chemistry itself. We start with high-purity cyclooctene, monitoring every detail of the epoxidation reaction to achieve a product with minimal byproduct and reliable reactivity. Years spent optimizing this process rewards chemists with a pale, clear liquid—free from excess water, unwanted oligomers, or discoloration. For our main throughput, we focus on 98%+ pure Cyclooctene Oxide, GC-tested batch by batch. Customers working with our material typically receive lots that clock in above 99% within the specified range of water and halide content.
The learning curve with cyclooctene’s strained ring structure means that impurity management goes beyond just supplying a "clean" product. Even trace amounts of residual monomer or over-oxidized material affect polymerization results. From the manufacturing floor, consistent performance is only possible with real chemical discipline—clean reactor systems, quality solvent choices, and air control to manage the presence of reactive gases.
Over years of shipping drums across continents, certain technical details have proven non-negotiable. Moisture content below 0.2% w/w keeps shelf life predictable and helps users avoid unwanted hydrolysis in their reactions. Careful control of the epoxide oxygen content (generally 8.9%–9.2%) makes sure the material reacts as expected whether customers work in organic synthesis, specialty coatings, or as a building block in pharmaceutical intermediates.
Density, kinematic viscosity, and refractive index—these standard measurements get checked for every batch. Deviations signal something the eye might miss, from trace catalyst residue to temperature issues during synthesis. The result is not just a paperwork exercise, but an ongoing watch over repeatability. With real-world customers relying on every kilogram’s reliability, numbers from real tests matter more than glossy descriptions.
Cyclooctene Oxide occupies a unique niche. Compared to the well-known epoxides like ethylene oxide, propylene oxide, or epichlorohydrin, cyclooctene oxide shows selectivity and reactivity that stand out. Its eight-membered ring allows for controlled ring-opening while limiting side reactions sometimes seen with more strained, three-membered epoxides. Chemists describe handling it as "forgiving" compared to handling volatile ethylene oxide or harsh, pungent epichlorohydrin.
In practice, our regular partners in research value cyclooctene oxide for synthesizing specialty polymers, fine chemicals, and advanced epoxy resins. Several stories land on our factory desk every year: researchers pushing for cyclic carbonate derivatives praise this oxide because it delivers high yields without the toxic side products found in conventional alternatives. For others, cyclooctene’s stability during storage matters as much as reactivity in the flask—no surprise runaway polymerizations or hazardous off-gassing, just a reliable supply chain.
On the industrial floor, manufacturers of cycloaliphatic epoxy resins make extensive use of our product. These resins serve as high-performance coatings or circuit board laminates, prized for their superior insulation and UV stability. In our experience, formulators switching from classic bisphenol-A-based resins to those incorporating cyclooctene oxide repeatedly mention the improvements in water and chemical resistance, as well as lower color and odor transfer to the end material.
Pharmaceutical laboratories exploring new molecular scaffolds use cyclooctene oxide as an intermediate for producing chiral ligands, synthetic building blocks, and functionalized compounds. Over time, our technical feedback loop—real discussions with scientists—has led to tighter control over trace aldehyde levels, since these affect downstream reactions more than most early-stage process chemists realize.
Another emerging area involves producing fuel or additive precursors using ring-opening reactions. Production teams trialing new catalyst systems value a consistent supply—not just in old, familiar kilogram lots, but with the flexibility to scale up or down as research or commercial demand shifts. Our willingness to engage in technical dialog about off-spec or process-tailored batches stems from direct experience with the challenges of pilot plant chemistry.
Running a chemical facility means living with the reality of chemical hazards. Cyclooctene oxide is less volatile and flammable than the low-molecular-weight epoxides but still demands respect. On our site, all handling takes place in closed systems with redundant ventilation. Spills receive immediate neutralization, and all staff receive annual refresher training on exposure management. Strong skin and eye irritancy, as well as reactivity toward acids and bases, means operators stay suited up—safety is habit, not just a written rule.
Shipping gets planned around real-world logistics—seasonal temperatures, the likelihood of delays, checks for drum leakage, and direct communication with receiving chemists. We’ve updated final pack-out procedures more than once based on solid feedback. Smaller users sometimes ask why the drum is nitrogen-purged; our answer rests on long experience with trace oxidation problems, so every drum or IBC leaves us in top shape.
Supplying cyclooctene oxide isn’t just a question of scale, but of trust. We recall the panic in the polyether market during global logistics snarls and natural disasters; keeping up with demand wasn’t just about raw material, but about fair contracts, honest communication, and creative reallocations. Our customers prize transparency—a missed deadline is addressed quickly, and root causes are shared, not hidden. Years spent managing material through port strikes, container shortages, and cross-border paperwork have trained us to double-check every step.
Quality doesn’t ride on a single certificate. In our experience, customers appreciate proactive notice if a batch lot varies from routine, and the result is long-term partnerships. Chemists notify us how even small shifts in peroxide content or acidity shifted their yields. We answer by refining the process, sometimes micro-adjusting in ways a spreadsheet won’t show.
Cyclooctene oxide’s identity doesn’t just sit in its molecular structure but in its real-world behavior. Most commodity epoxides—like the ubiquitous ethylene and propylene oxide—offer high reactivity, which sometimes triggers difficult to control side reactions. In contrast, cyclooctene oxide’s larger ring means steadier, more selective chemistry. Users developing specialty polyols for coatings repeatedly describe how it gives them a finer touch for chain extension or cross-linking compared to other epoxides.
From a synthesis standpoint, the absence of chlorine or aryl substituents sidesteps some environmental and regulatory headaches found with other chemistries. Users working in sensitive applications, such as food packaging resins or advanced composites, have told us how the low halide profile built into our plant’s process removes a major variable from their formulations.
Differences also show up at the R&D bench. Customers exploring polymer architectures tout cyclooctene oxide’s controlled opening—the reactivity feels tuned rather than explosive. In pharmaceutical intermediates, fewer unwanted rearrangements or ring-contracted byproducts add confidence when scaling up new routes.
Regulators and buyers alike expect chemical manufacturers to do more than claim green intentions. Over the last decade, we’ve redirected waste solvent streams, invested in state-of-the-art emission controls, and adopted in-house recycling for side cuts and washwater. Cyclooctene oxide production offers opportunities—less chlorinated waste than traditional routes, manageable biological load in spent process waters, and a chemical profile that avoids persistent environmental hazards.
We experience daily the pressure to keep improving our environmental profile and audits by both regulators and customers come regularly. Sustainability upgrades come from both front-office management and from floor staff suggesting safer cleaning agents or improved separation steps. No shortcuts pass muster; defective containment or ignored emissions don’t stay hidden long in any working factory. We find that sharing audit results and remediation strategies with partners builds credibility much faster than marketing alone.
Operating as a direct producer means rolling up your sleeves and solving supply chain problems as they arise. Sourcing cyclooctene monomer in world markets takes more than just a good price; real reliability comes from relationships built over years. Feedstock purity, shipping schedules, and customs hitches affect output just as much as reactor efficiency.
We learned long ago to maintain redundant suppliers, stock strategic reserves, and plan extended maintenance with an eye on seasonal downtime. During crises, we prioritize critical customers—often those developing healthcare or electronics products—by reserving spot production slots and updating ship dates live. This level of engagement can’t be faked by brokers or third parties; only those managing both the planning and the production understand how to reallocate material between competing priorities.
Customers have told us how much they value being kept in the loop about upcoming changes. Frequent, candid discussions about anticipated shortages, potential alternatives, or regulatory shifts allow both sides to plan and adapt. This openness gives R&D teams time to retool—no surprises or last-minute substitutions.
As chemists and manufacturers, we remain close to the technical challenges confronting our customers. New approaches for process intensification sometimes come from joint pilot runs at our site—feedback flows both ways. A few years back, an industrial user flagged low conversion rates, prompting an overhaul of our oxidant control system and resulting in better product recovery across every batch. Insights like this build expertise piece by piece and inform our day-to-day decisions.
Watching how our product performs in end-user formulations shapes future investments. If a certain customer segment consistently needs ultra-low color or improved long-term stability, we review raw materials and batch processing methods to match those needs. Change doesn’t come from market surveys; it arrives from weekly reports, customer site visits, and honest analysis of failures as well as successes.
Cyclooctene oxide isn’t a commodity to us—it reflects a technical challenge and a trusted partnership with our customers. Our effort doesn’t stop after material leaves the production line; it continues with technical follow-up, data sharing, and troubleshooting alongside users. As market needs change, we respond in real time—adapting formulations, adjusting production schedules, or even redesigning packaging for easier handling. This collaborative spirit makes real innovation possible.
The future for cyclooctene oxide includes greener synthesis pathways, expanding into new application areas, and working constantly to shrink the environmental impact. Our manufacturing team works with customers in academia and in industry to explore more efficient catalysts, better process controls, and reduced-waste workflows. Our batch logs, production notes, and open-door policy reflect not just regulatory compliance but pride in doing a job to the highest standards.
The path from raw cyclooctene to finished cyclooctene oxide isn’t just chemistry—it’s a reflection of shared commitment between manufacturer and customer, balancing precision, safety, and a drive for innovative solutions that help both science and industry advance.