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HS Code |
541272 |
| Iupac Name | Hex-2-yne |
| Cas Number | 764-35-2 |
| Molecular Formula | C6H10 |
| Molar Mass | 82.15 g/mol |
| Appearance | Colorless liquid |
| Boiling Point | 82-84 °C |
| Melting Point | -80 °C |
| Density | 0.76 g/cm³ |
| Flash Point | -6 °C |
| Solubility In Water | Insoluble |
| Structure | CH3C≡CCH2CH2CH3 |
| Refractive Index | 1.400 |
| Vapor Pressure | 74 mmHg (20 °C) |
As an accredited 2-Hexyne factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle, 100 mL, screw cap; labeled with "2-Hexyne," hazard symbols, CAS number, and manufacturer details. |
| Shipping | 2-Hexyne should be shipped in tightly sealed containers made of compatible materials, kept in a cool, dry, well-ventilated area away from sources of ignition. It is classified as a flammable liquid (UN 3295) and must be labeled accordingly. Handle with appropriate safety precautions and comply with all relevant regulations during transport. |
| Storage | 2-Hexyne should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible materials such as strong oxidizers and acids. Keep the container tightly closed and protected from direct sunlight. Properly label the storage area and use approved, chemical-resistant containers. Follow all relevant safety regulations and ensure adequate spill containment measures are in place. |
Applications of 2-Hexyne in Industrial Manufacturing2-Hexyne serves as a key functional intermediate in several industrial sectors, primarily as a high-purity building block for specialty synthesis. The following sections detail genuine downstream applications, regulatory benchmarks, mixing guidelines, integration points, and resultant finished goods as observed in modern manufacturing facilities. 1. Synthesis of Pharmaceutical IntermediatesPharmaceutical synthesis employs 2-Hexyne as a precursor in the preparation of complex molecular scaffolds, particularly for active ingredient pipelines involving acetylenic coupling reactions. Our facility supplies stabilized grades suitable for hydrogenation, cross-coupling, and selective reduction processes in multi-step synthesis under regulated manufacturing environments to ensure traceability and process reproducibility. Industry compliance standards
Typical usage ratio
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2. Fine Chemical Manufacturing – Fragrance IntermediatesProducers of high-end aroma compounds incorporate 2-Hexyne to build unique structural motifs in synthetic fragrances, by catalyzed hydration and functionalization pathways. It often functions in Friedel-Crafts or hydration reactions where accurate control of stereochemistry and trace impurities determines batch acceptance in downstream perfumery production standards. Industry compliance standards
Typical usage ratio
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3. Electronic Materials PrecursorsAdvanced electronics and semiconductor processes require 2-Hexyne as a carbon–carbon triple bond source in customizable organic layer manufacturing, particularly for organic semiconductors and specialty conductive polymers. The material’s controlled reactivity allows closely monitored polymer chain design and surface engineering in microelectronics. Industry compliance standards
Typical usage ratio
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4. Specialty Polymer ModificationManufacturers of niche elastomers and specialty plastics utilize 2-Hexyne as a functional comonomer or cross-linking promoter to introduce unsaturation or reactive sites into polymer backbones. This approach helps tailor mechanical properties, introduce conductivity, or create cross-linking points for heat and chemical resistance, especially in automotive and aerospace polymer goods. Industry compliance standards
Typical usage ratio
Downstream process integration
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Competitive 2-Hexyne prices that fit your budget—flexible terms and customized quotes for every order.
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Working with organic chemicals day in and day out, I have grown familiar with the intricate behavior of alkynes. 2-Hexyne, or hex-2-yne as it shows up in laboratory dialogue, immediately grabs attention for its straight-chain structure — six carbons, triple bond locked between the second and third. It lands in a promising spot as far as synthesis goes. We manufacture 2-Hexyne with attention to purity targeting better than 98%. The clarity and sharp behavior of this compound play out clearly in alkylation, cross-coupling experiments, and in other bench work that benefits from a clean, trouble-free alkyne backbone.
Sourcing raw materials for acetylene derivatives throws up plenty of headaches if you haven’t invested in steady vendor partnerships and equipment that takes solvent handling seriously. For us, production follows a carefully calibrated routine; pressure, catalyst, and batch temperatures all monitored real-time. Maintaining a moisture-free workspace matters, as even a trace of water can derail both safety and yield. Every shift, our operators gather sample after sample, keeping quality at the heart of our process. The resulting 2-Hexyne comes through clear, often colorless, and holds to the specifications our clients trust.
Chemists and process engineers gravitate toward 2-Hexyne for good reason. In cross-coupling reactions, its reliability shines. It slots into Sonogashira couplings and Glaser-type oxidations without the fuss seen in bulkier, branched alkynes. I’ve watched research labs use our batches as core building blocks for flavors, fragrances, and specialty polymers. A few of our long-term biotech clients leverage the triple bond for targeted propargylation or transformations that give specialized active pharmaceutical ingredients their backbone structure. Every month, talk shifts among teams here to customer feedback — sometimes it’s about evaporation point consistency, sometimes about how smoothly it dissolves in common organic solvents. Raw feedback feeds our process and steers our QC priorities.
Our 2-Hexyne ships with a minimum purity above 98%. This purity marks a clear difference from lower-grade material circulating in some regions. I’ve seen the frustration in lab techs when trace acetylene or 1-hexyne crops up in substandard batches — reactions slow, by-products multiply, and you lose time. We use gas chromatography to confirm purity and content. Each drum, every flask, carries documentation of its production lot, but beyond paperwork, our guarantee stems from individual visual inspections and operator sign-off. Keeping things tight-knit gives us a solid name with repeat buyers, especially when they push for large-batch uniformity.
The truth is, every volatile alkyne brings its own set of risks. 2-Hexyne is no exception — it stays stable under cool conditions, but it doesn’t take well to open flames or careless handling. Our facility keeps dedicated ventilated storage, away from acids and bases, and we impress upon our clients to treat it with the same respect. We fill and cap drums under inert gas, always. We’ve learned from early missteps that quick, automated capping reduces exposure, which not only improves shelf life but also keeps warehouse teams out of harm’s way.
A frequent question from technical buyers concerns how 2-Hexyne separates itself from similar chemicals — those with identical formulas but different structural behavior. For instance, 1-hexyne brings a terminal triple bond, raising its reactivity. Many of our customers don’t want that extra edge, especially in situations where the triple bond should stay in the chain, protected from unwanted side reactions. 2-Hexyne’s internal bond improves thermal stability, smoothens distillation, and reduces the volatility headache. It also means less risk of runaway polymerization, a challenge that surfaces with terminal alkynes when handled outside strict temperature controls. In the lab, you see fewer spatter events and almost no oxygen reaction, reducing cleanup and secondary waste.
With branched isomers, say 3-hexyn-1-ol or 2-methyl-3-pentyn-2-ol, structure complexity shifts their application. Synthetic chemists prefer 2-Hexyne for uniformity in coupling and protective group chemistry, where a clean, straight backbone leads to predicable reactivity. Some clients in academia have swapped out 3-hexyn-1-ol for our material in order to streamline click chemistry and avoid side reactions tied to alcohol groups. The internal alkyne in 2-Hexyne simply offers better selectivity for coupling agents — and in my experience, it rarely produces the side products that crop up with similar chain alkynes.
Our team has supported requests ranging from milligram samples for method development to multi-ton lots for pilot production. Scaling up means more than just using bigger drums; the logistics change entirely. We flush process equipment between batches, keeping cross-contamination out of the equation. Close coordination with transport partners allows us to deliver freshly prepared material on short timelines. Some customers need cold shipment or dry ice; others require vapor-tight tanks for bulk. Over time, we’ve developed a reputation for handling both ends with equal care.
Several specialty chemical companies have approached us to contract-manufacture batches customized for their downstream needs: sometimes that means a tighter GC purity window, sometimes it’s about a specific solvent residue threshold. Local regulations push us to keep documentation sharp, tracing every kilogram from raw raw material to finished batch. We’ve noticed that transparency with clients — talking practical details like drum types, cap liners, and transfer hoses — reduces headaches down the road.
The market offers plenty of hexynes. I’ve had purchasing managers pull us aside, comparing quotes from global catalogs. On paper, chemical structure and purity numbers might seem similar. In practice, trace differences can shape outcomes — an extra trace of catalyst or stabilizer, small shifts in distillation strategy, or handling practices can influence your experiment’s reproducibility. We stay available for questions about assay methods, sample lots, and best practices for transitioning between suppliers. A few multinational clients test our product side by side with competitors, and results often come down to reduced downtime, lower variance, and minimized waste streams.
Compliance weighs on every aspect of making 2-Hexyne, and our regulatory affairs team keeps our paperwork thorough and inspections smooth. For regions keen on registration, our staff works with authorities to develop full disclosure on toxicology and workplace exposure data. Clients expect transparency, particularly those exporting finished goods to North America and the EU. Over the years, we’ve been called upon to summarize reaction by-products, propose mitigation for workplace exposure, and assist with custom material safety dossiers. Our records show that sound regulatory stewardship speeds up the procurement cycle and builds confidence, particularly among larger buyers.
There’s no substitute for experience in chemical manufacturing. Many of our technical leads have backgrounds in synthesis and chemical process optimization. We field direct questions about batch substitution, process troubleshooting, and optimal conditions for downstream reactions involving 2-Hexyne. Some clients ask about compatibility with proprietary catalysts or how minor impurities affect their overall process. Drawing on years of synthetic experience, our team responds with practical advice backed by data from both our own QC results and published literature. This approach tightens partnerships, boosts our product’s reputation, and improves everyone’s workflow.
Innovation grounds everything we do here. Early days, our 2-Hexyne synthesis ran on traditional batch processing with open-to-air distillations. We encountered batch inconsistencies, cost run-ups, and safety incidents tied to exposure. Over years of focused reinvestment, we transitioned to a closed-system manufacturing process, using pressure reactors and automated flushing protocols. The net result is tighter control over both purity and yield. We bring those lessons to every new lot, and share improvements with our long-standing clients. Regular feedback from industry and academic partners continues to shape how we approach both small and large-scale synthesis.
Along the way, a common challenge involves minimizing by-product formation and improving process throughput. Triple-bonded intermediates have a reputation for unpredictability—solving this means controlling every environmental parameter, down to ppm water levels. Our facilities house advanced drying columns and off-gas scrubbing, which reduce waste and lower emissions. Continued investment in these details not only protects workers, but also meets increasingly tough environmental restrictions.
Chemistry revolves around reliability. Downstream processes depend on pure intermediates — a contaminant at the initial stage can multiply problems through an entire production line. We have seen how compromised material, lacking either the right assay or handled carelessly, can set back entire projects. Research and industrial partners have come to expect more than standard material: they rely on deep technical understanding, honest discussion of limitations, and quick troubleshooting. We persistently update our analytical testing, digital record-keeping, and operator training programs so that each container leaving our facility fulfills that promise.
In laboratory research, clear, repeatable chemistry is non-negotiable. Synthetically, 2-Hexyne builds up chain elongation chemistry, facilitates bond formation, and provides a platform for forming complex target molecules. Some chemists target propargyl chemistry and rely on the 2-hexynyl group as a handle for selective hydrogenation. In drug discovery, alkynes are increasingly popular building blocks for click chemistry, and our clients often reference our 2-Hexyne batches in tech transfer documentation because of its performance in these reactions.
In the context of industrial application, particularly in specialty polymer production, 2-Hexyne remains a preferred backbone for introducing unsaturation in a controlled way. Feedback from those lines highlights fewer issues with chain termination and an increase in the efficiency of the step-growth reactions they run.
For us, in-process control takes priority. Dialogue between lab analysts and process engineers feeds rapid improvement. Gas chromatography and infrared checks catch both purity and functional group placement before bulk filling. We’ve responded to customer requests for checks on aromatic content, elemental impurities, and specified moisture levels. Every improvement feeds back into the process, raising not only our standards, but also industry benchmarks.
Operators and maintenance teams at our site undergo regular refresher courses—this keeps them alert to subtle process deviations and helps protect both material and personnel. Data collected from each batch enters a traceable, centralized system, which further enables targeted improvements and allows for rapid root-cause analysis if a complication emerges.
Markets shift quickly. Trends toward greener chemistry and sustainable process drive new interest in alkynes like 2-Hexyne. We have repurposed sections of our site to accommodate green-feedstock approaches where possible. Working closely with current customers, we adapt both synthetic route and downstream integration, always with an eye on minimizing footprint while maximizing yield.
Demands for higher throughput without loss of precision continue to push us to upgrade process control and analytical capabilities. Fast feedback loops, both internally and from client partners, keep us adapting and improving in ways that matter to those depending on our reliability.
Generation after generation, our production teams gain wisdom from the subtle challenges unique to alkyne chemistry. A batch that runs too hot, a feedstock that picks up a minor impurity — these are not stories confined to textbooks, but realities our staff see each day. The tight collaboration among technicians, process engineers, and customer support shapes the strength of the product as much as the technology does. The privilege is in seeing client breakthroughs built on a foundation we know by scent, feel, and behavior.
People matter in chemistry just as much as molecules. The effort each person makes in preparing, analyzing, shipping, and discussing 2-Hexyne shapes its value beyond the numbers and certificates that change hands. Our responsibility as the maker of this chemical is to keep listening, keep learning, and never shortcut the steps that guarantee both safety and reliability.
We approach the business of 2-Hexyne not just as vendors, but as practitioners whose livelihoods tie directly to the compound’s performance in our clients’ hands. Mistakes get shared openly and spark improvements that ripple through workflows. Satisfactory outcomes grow through dialogue — feedback sparks fresh rounds of training, process adjustment, or equipment upgrades.
Every year, new developments in catalysis or targeted functionalization bring us back to the familiar challenge: can we make our 2-Hexyne cleaner, more predictable, easier to work with, and available precisely when it’s needed? The solution always traces back to thoughtful people, well-maintained equipment, and a commitment to partnership over transactions. In this space, that’s how real progress gets made.