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HS Code |
530204 |
| Cas Number | 473-98-3 |
| Iupac Name | 2-Octyne |
| Molecular Formula | C8H14 |
| Molar Mass | 110.20 g/mol |
| Appearance | Colorless liquid |
| Boiling Point | 132 °C |
| Density | 0.749 g/cm³ |
| Melting Point | -81 °C |
| Flash Point | 23 °C |
| Refractive Index | 1.406 |
As an accredited 2-Octyne factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 2-Octyne is packaged in a 100 mL amber glass bottle with a secure cap, featuring hazard labels and clear chemical identification. |
| Shipping | **2-Octyne** should be shipped in tightly sealed, appropriately labeled containers, in accordance with local, national, and international chemical transportation regulations. It must be protected from ignition sources, stored in a cool, well-ventilated area, and segregated from incompatible materials. Ensure all hazardous material documentation and appropriate HAZMAT labeling accompany the shipment. |
| Storage | 2-Octyne should be stored in a tightly closed container in a cool, dry, well-ventilated area away from sources of ignition and incompatible materials such as strong oxidizers. Keep away from heat, sparks, and open flames. Store under inert atmosphere if possible. Properly label the container and ensure compliance with local, state, and federal storage regulations for flammable chemicals. |
Applications of 2-Octyne in Industrial ManufacturingAs a direct manufacturer of 2-Octyne, we supply this specialty alkyne for industrial use where stringent control of purity and consistency is key. Our experience across chemical synthesis and downstream formulations allows us to support customers seeking traceable, quality-verified integration of 2-Octyne in established commercial workflows. Below are core applications recognized in modern industrial environments. 1. Synthesis of Surfactant Intermediates for Mining Reagents2-Octyne serves as a functionalized building block in the synthesis of alkynol-based surfactants utilized as froth regulators and collectors in mineral flotation. Operators introduce it during intermediate coupling steps, targeting tailored molecular weights and specific hydrophilic-lipophilic balance. Consistency and residue control are enforced throughout, since impurities may impact downstream separation efficiency and plant throughput. Industry compliance standards
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2. Manufacture of Specialty Crosslinking Agents for Polymer ModificationChemical firms use 2-Octyne in the controlled synthesis of crosslinking additives for thermoset resins and advanced elastomers. Its unique triple-bond structure enables selective acetylenic bridge formation, increasing mechanical and chemical resilience in finished plastics. Technicians batch the material under precise temperature and catalyst controls, as both the reaction kinetics and purity can impact properties of downstream compounds and the final thermoset network. Industry compliance standards
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3. Synthesis of Pharmaceutical Building Blocks (API Intermediate)In API manufacturing, 2-Octyne is a valuable starting skeleton for constructing complex molecules, including certain antineoplastic and CNS-active drug intermediates. Chemists leverage its reactivity for selective attachment of aromatic rings or to construct conjugated systems via Sonogashira or alkyne-dimerization pathways. Strictly controlled conditions ensure removal of alkyne residues and by-products, under GMP protocols to support downstream regulatory submissions. Industry compliance standards
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4. Formulation of Corrosion Inhibitors in Oilfield ChemicalsEngineers employ 2-Octyne as a precursor in synthesizing alkynol-type inhibitors for oilfield pipeline protection. Its chain length and triple-bond enable adsorption onto steel surfaces, with further functionalization via emulsification or salt formation for field-ready inhibitor blends. Field requirements demand low residual byproducts and high batch-to-batch consistency to maintain equipment integrity and manage environmental discharge limitations. Industry compliance standards
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5. Preparation of UV Curing Agents for Industrial CoatingsWithin UV-cured coatings, 2-Octyne enables synthesis of photoactive intermediates and crosslinkers for fast-curing, high-durability surface films. Coating formulating chemists utilize the raw material for acetylenic coupling, producing customizable oligomers offering resilience and tailored refractive properties. Strict solvent and impurity level monitoring is critical, since residue could disrupt photoinitiator balance or cause yellowing in transparent topcoats. Industry compliance standards
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6. Production of Modified Silicone Sealant AdditivesManufacturers of silicone sealants use 2-Octyne as an intermediate to introduce acetylenic side groups, modifying flow and curing characteristics. The material is reacted under controlled addition to avoid hydrosilylation inhibition. Varied dosage supports targeted viscosity, tack-free time, and adhesion profiles in construction and electronics grade sealant compounding. Industry compliance standards
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In our daily run of managing production lines, packaging drums, inspecting odor sheds and monitoring reactors, 2-Octyne has always stood as one of those chemicals that require a hands-on approach. It doesn’t get the limelight given to more famous alkynes, but in the right workflow, its value becomes clear. Our experience manufacturing 2-Octyne means we get to look past the typical citrusy “chemical profile” you see on a generic catalog. The real identity of 2-Octyne builds off its molecular structure—C8H14 and a triple bond at the second carbon position—which gives it flexibility for a range of chemical transformations. Every batch we’ve prepared demonstrates genuine differences from more heavily used alkynes like 1-octyne, and from isomers with differently placed triple bonds.
Our process for making 2-Octyne involves strict temperature control and carefully selected catalysts to keep impurity levels low. Experience shows that even small traces of isomeric impurities will upset downstream chemistry. Technical teams have tuned our system over the years for both yield and purity. We hold ourselves to a routine GC-MS verification at each stage; nothing gets packed until it checks out within the promised range. Through real runs—and not just in the lab—we’ve learned that 2-Octyne always demands active, thoughtful oversight at every step of the process, from raw hydrocarbon purging to fractionation and eventual drum filling.
In our facility, 2-Octyne leaves the reactor as a clear, low-viscosity fluid, combining an oily character with a slight, sharp odor. On a typical specification sheet, purity runs 98% minimum by GC analysis, but the only specifications that matter in the plant are the ones customers actually see in their own syntheses. We strive for purity exceeding 99% for critical-scale applications, such as pharmaceutical intermediates, agrochemical synthesis, and high-value specialty fluids. Moisture control is another point we guard closely—our experience shows water picks up quickly from even a minor leak, so every drum ships below 500 ppm moisture by Karl Fischer titration, often far less.
Heavy metals? We’ve learned many specialty clients pick up on even trace catalysts left behind, so every batch is filtered using custom-fitted columns, and test data often shows transition metal content sitting at parts per million levels or below. Those extra runs through quality control don’t make it onto every datasheet in the public domain, but removing metallic residues means far fewer headaches for end-users, especially catalytic process developers. To us, quality means less noise in a chemical reaction, fewer batch rejections, and tighter process timelines.
In terms of color and transparency, each drum shows a near-water white finish, verified by visual inspection and regular UV-Vis scans. The boiling point sits within the usual industry range for C8 alkynes (around 140-143°C), which means our infrastructure can handle it without specialized glassware. Over the years, we’ve built up a storage system using lined steel—no ordinary carbon steel tank can hold its quality over time—and our customers rarely see off-notes or unexpected cloudiness when opening fresh drums.
In practice, 2-Octyne’s main value comes down to its role as a building block in organic synthesis. It doesn’t end up in the final product, but it feeds hundreds of downstream processes. We’ve worked with research chemists designing fine fragrance molecules, agricultural scientists scaling up new herbicides, and battery developers chasing the next electrolyte technology. The repeatable consistency of our 2-Octyne—run through years of feedback, continuous process tuning, and documented control limits—means customers see predictable performance every time.
Unlike some of the more reactive terminal alkynes (like 1-octyne), 2-Octyne can be counted on to participate in addition reactions at the internal triple bond. This makes it resistant to some types of side reactions, holding its backbone through demanding reaction regimes, high-temperature hydrogenations, or palladium-catalyzed couplings. Chemists who’ve switched to 2-Octyne from more volatile isomers often report less by-product formation and cleaner chromatography profiles. Applied in semi-bulk settings for pharmaceutical and agricultural intermediate production, these details matter—the fewer side reactions, the more streamlined the synthesis run and the less time wasted in downstream purifications.
Some producers who work with flavors, fragrances, or specialty fluids ask about odor performance or reactivity in blends. Our feedback over the years shows that while 2-Octyne lacks the intense aroma profile of shorter-chain alkynes, what matters is its stability and compatibility in broad-spectrum blends. Teams working in R&D labs have told us outright that using 2-Octyne as a scaffold opens doors to unique substituted cycloadditions and allows for robust conversion to epoxides, ketones, or tertiary alcohols via well-controlled reactions. Even in established industries such as solvents or adhesives, process engineers trust 2-Octyne for its containment of unwanted aromatics and minimal toxicity at the point of use.
Most people new to chemical synthesis assume all alkynes from a given carbon chain behave much the same. Our years in manufacturing prove otherwise. We often run side-by-side tests between 1-octyne and 2-octyne for customers requiring tight selectivity. The placement of the triple bond changes not just physical properties, but also chemical compatibility, selectivity under hydrogenation, and the likelihood of side reactions. 1-Octyne, for example, offers greater reactivity at its terminal bond, but that also brings the risk of over-reaction, polymerization, and higher yields of off-products. In contrast, 2-Octyne’s internal bond delivers a measured reactivity—a benefit for chemists who need formation of specific products without runaway reactions or contamination.
Over years of handling feedback and running pilot trials with both variants, it’s clear that 2-Octyne stands as a go-to pick for robust catalytic conversion. The triple bond at position 2 narrows the variety of addition sites, lowering the risk of unanticipated changes when scaling from bench to plant. Our long-term customers, especially those busy with new product development, report higher reproducibility using the internal alkyne scaffold, with fewer surprises in complex syntheses. The molecular stability, lesser volatility, and the relatively low tendency for peroxide formation all set 2-Octyne apart from its terminal isomer and from shorter-chain analogues.
Isomeric purity is another pain point. Cross-contamination with 1-octyne or residual hexynes causes frustration in certain downstream reactions—especially in chromatography, coupling, or where optical properties impact end-use testing. In our operations, regular batch analytic runs and constant plant-level attention to separating closely-boiling isomers have eliminated nearly all routine cross-contamination issues. Direct feedback from pharmaceutical developers has helped us drive isomeric impurity below 0.2%, a number that stands out in the market but comes directly from operational vigilance, not just literature targets.
We also field inquiries using 2-Octyne compared to other chain-length alkynes, such as 3-hexyne or 4-octyne. The distinctive chain position of the triple bond in 2-Octyne matters in certain cycloaddition reactions and for constructing large-ring systems. The slightly higher boiling point, improved solubility profile, and flavor of reactivity mean our clients feel confident scaling their synthetic campaigns with predictability and lower waste output.
Procuring 2-Octyne has always called for real world agility and an understanding of upstream markets. As a manufacturer, we don’t just keep an eye on price trends—we live through solvent shortages, feedstock cost spikes, and shipping delays. Over the last five years, we’ve spent countless hours working with raw material suppliers to lock in quality and build local inventories. Experience tells us that flexible, long-term relationships with transport partners and drum suppliers allow for fewer hold-ups during peak demand—this flexibility ends up saving time and cost for everyone down the line.
We’ve learned procurement isn’t a point-and-click exercise, particularly when dealing with developing markets or tight regulatory windows. To protect customers, we invest in both buffer stock and redundant plant capacity. Actual manufacturing presence allows us to respond to sudden surges in demand within weeks, not months. Distributors and resellers can’t pivot as fast; our direct control over the production path means the material customers receive each time matches or exceeds the agreed standard, no matter external volatility. Our batch traceability allows clients to align synthesis campaigns with planned scale-up windows. If a client’s timeline shifts due to a regulatory delay, we can adjust our output to match their requirements on short notice—a genuine advantage of being a producer, not just a middleman.
Manufacturing 2-Octyne puts us face to face with the realities of process reliability. Years of near-daily operator rounds have drilled in the importance of active quality management—not just ticking boxes, but chasing down every source of batch-to-batch variance. For those new to buying specialty alkynes, the gap between nominal datasheets and real performance turns out to be wide. We welcome site visits and audits; nothing beats seeing a clean, smooth-running reactor operation and a hands-on QA lab.
Clients relying on 2-Octyne expect zero deviation in performance for high-stakes research and pilot production. In our world, analytical methods have to evolve right along with process improvements. We apply a combination of GC-MS, IR, and NMR fingerprinting for every lot, linking analytical profiles of new material with those shipped years earlier. We keep samples for record-matching, especially for long-term contracts where stability or aging data matters to clients building regulatory dossiers. Through continuous feedback loops and root-cause investigations, our team quickly adapts to end-use failures, tracks complaints back to upstream adjustments, and shares improvement data with both our crews and our customers.
We’ve spent years listening—and not just selling. It’s common for a longtime customer to call asking about a strange result or new process need, and our QC staff work side by side with R&D to reproduce issues or spot contamination risks that never show up in public literature. This direct, hands-on dialogue translates into improved run reliability, fewer product recalls, and lasting trust that comes from actually delivering on promises.
The state of global chemical regulations keeps evolving, and real-world risk management beats hollow assurances every time. Manufacturing 2-Octyne with a mindset rooted in safety and compliance means we verify compliance with accepted regulatory requirements, from handling and packaging to shipment documentation and batch traceability. All staff undergo routine safety drills, and our drum yard maintains real separation and spill control. Over the years, close work with certification bodies has built a culture where we document every change, from catalyst supplier updates to drum labeling—and provide customers with real trace documents rather than generic safety statements.
We run routine internal audits and participate in cross-site benchmarking—adding another layer of confidence for partners dealing with sensitive end-uses, from pharma R&D to electronics. In-plant operators take safety seriously, using chemical-resistant gear, closed-loop filling, and continuous air quality monitoring. Actual experience handling 2-Octyne’s volatility and local reactivity has resulted in robust training and constant process tweaks, always based on operator feedback and on-the-floor reviews, not just top-down policies.
Real success for any 2-Octyne buyer comes from partnership, not transaction. We work shoulder-to-shoulder with technical teams to address the common problems that crop up, whether it’s unruly reactivity, container compatibility, or solvent blending issues. In pharmaceutical synthesis, for example, trace impurities left over from manufacture, such as hexynes or trace chlorinated residues, can derail a multi-step campaign. Using feedback from our largest customers, our process engineers dialed in new separation runs, adding a double distillation cutoff and an in-line column filter—simple changes that dodged downstream setbacks.
For customers scaling to production, our technical teams can provide process advice drawn from real-world experience. Whether dealing with bulk drum transfers or small-batch glassware routines, we’ve solved problems from container lining selection to cold-chain shipping routes. We’ve learned from every drum returned, every sample fail, and every complaint promptly resolved. Over time, trust builds on this foundation: end-users know our plant team and the technical experts behind each shipment, not just a name on a label.
Some challenges never go away—pipeline contamination, handling glove compatibility, or stochastic batch variation—but by working directly with manufacturing, customers get answers that make a difference. They know which batches come from which production runs, who ran the distillation, and how recently the drums were filled. Every communication after the initial project phase stays open, rather than leaving customers on their own once the purchase order lands.
Traceability is more than paperwork. On-site, we record every raw input, process temperature, reactor batch time, and fill line operator ID. If a batch leaves the warehouse, its sample vial and full analytic report sit in storage for five years, minimum. If a customer conducting a patent filing or regulatory registration circles back a year later, we dig out the original sample and data set, so their documentation matches the reality of what shipped.
This rigorous approach means that clients with long-term contracts—especially those in the USA, Europe, or Asia—see absolute consistency and a transparent audit trail. It eliminates argument or guesswork, especially when end-use requirements change mid-campaign. Customers direct their own third-party inspections, send backup samples, and request pipeline lot tracing as needed. In our plant, traceability isn’t a buzzword; it’s how we warranty every barrel and keep our operations ready for the next big shift in global chemical demand.
A decade or more working with 2-Octyne has proven that no two production lots look exactly the same unless active attention is given to every detail, every time. Real trust comes when customers use our product in their processes and get seamless, predictable results—with no drama, no surprises, and no last-minute changes to specs. We benefit directly when our partners succeed: smooth syntheses mean bigger repeat orders, positive feedback, and word-of-mouth growth.
Having full control of 2-Octyne manufacturing means we support our clients from the first sample, through pilot studies, up to full-scale commercialization phases. Our technical managers, plant engineers, and customer representatives don’t just disappear—each remains a consistent point of contact, keeping lines open for troubleshooting, improvement, and ongoing support. Reliability, in our experience, rests on experience, transparency, and the understanding that no substitute exists for genuine relationship-building over many production cycles.
From raw material selection to the tenth round of distillation checks in a night shift, our close work with both the chemistry and the people using it keeps us ahead of the challenges in global chemical markets. We know success with 2-Octyne isn’t built on generic product claims, but by providing expertly produced material that leverages years of shop-floor insights, ongoing feedback, and a clear commitment to every customer’s process and outcome.