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2-Hexene

    • Product Name 2-Hexene
    • Alias Ethylallylethylene
    • Einecs 209-667-4
    • 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

    371399

    Iupac Name Hex-2-ene
    Molecular Formula C6H12
    Molar Mass 84.16 g/mol
    Cas Number 592-45-0
    Density 0.673 g/mL (at 25°C)
    Boiling Point 63-65°C
    Melting Point -141°C
    Appearance Colorless liquid
    Solubility In Water Insoluble
    Vapor Pressure 170 mmHg (at 25°C)

    As an accredited 2-Hexene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle, tightly sealed, labeled "2-Hexene, 99% purity, 500 mL," with hazard symbols and safety instructions clearly displayed.
    Shipping 2-Hexene is shipped in tightly sealed, chemical-resistant containers such as drums or tanks to prevent leaks and evaporation. It should be transported in accordance with local regulations for flammable liquids, kept away from heat, sparks, and open flame. Appropriate hazard labels and safety documentation must accompany the shipment.
    Storage 2-Hexene should be stored in a cool, well-ventilated area away from sources of ignition and direct sunlight. Keep it in tightly sealed, labeled containers made of compatible materials, such as glass or certain plastics. Avoid exposure to heat, oxidizing agents, and strong acids. Ensure proper grounding and bonding during transfer to prevent static discharge, and follow all relevant safety guidelines.
    Application of 2-Hexene

    Applications of 2-Hexene in Industrial Manufacturing

    2-Hexene serves as a critical aliphatic olefin in several established chemical industry sectors, underpinning reaction processes where controlled reactivity and structural specificity are required. We supply this material directly to manufacturers engaging in polymer synthesis, specialty chemical production, and advanced material research. The following application scenarios reflect our primary customer base and the technical requirements encountered in volume manufacturing.

    1. Co-Monomer for Linear Low-Density Polyethylene (LLDPE) Production

    Polyolefin producers depend on 2-Hexene as a co-monomer in the gas-phase or solution polymerization of LLDPE. Incorporating this specific hexene isomer adjusts density and improves puncture resistance, tensile strength, and flexibility compared to butene-1-modified films. Formula optimization takes into account reactor type, catalyst system, and desired mechanical properties of finished films and packaging materials. Direct integration into continuous polymerization lines occurs at tightly controlled temperature and pressure conditions, monitored via FTIR and GC to ensure batch conformity. End-users in packaging convert this resin into consumer and industrial films, agricultural sheeting, and courier bag stock.

    Industry compliance standards

    • ISO 1872-1:2019 for polyethylene materials general requirements
    • FDA 21 CFR 177.1520 for food contact use polymers
    • REACH (EC) No 1907/2006 registration for monomer use
    • GB 4806.6-2016 for food packaging materials (China)

    Typical usage ratio

    • Co-monomer usage between 7% to 15% by mol, tailored to target MWD (molecular weight distribution) and tensile properties

    Downstream process integration

    • Direct injection into the monomer feed stream in continuous gas-phase or solution-phase reactors alongside ethylene

    Final product types

    • LLDPE resins for blown film, extrusion film, stretch and shrink wrap, agricultural films, carrier bags

    2. Intermediate for Plasticizer Manufacturing

    Downstream specialty chemicals manufacturers employ 2-Hexene in alkylation and hydroformylation reactions to generate intermediates for plasticizer synthesis. The double bond in the molecule enables precise catalytic transformation, minimizing byproduct formation—critical where plasticizer purity impacts finished PVC flexibility and thermal stability. Reactors employ Rhodium-catalyzed hydroformylation followed by hydrogenation steps, with ratio and temperature controls certified under ISO management systems and traceability protocols. Final applications include DOP and similar esters for use in soft PVC goods.

    Industry compliance standards

    • ISO 9001:2015 for chemical processing and QC tracking
    • RoHS Directive 2011/65/EU restriction on hazardous substances
    • EN 71-3 safety requirements for toys (if entering toy softening applications)
    • EU Regulation (EC) No 1907/2006 (REACH) on chemical safety assessment

    Typical usage ratio

    • Feed ratio of 2-Hexene as a limiting reagent, typically 0.9–1.1 mol per mol of target plasticizer precursor, optimized for full conversion

    Downstream process integration

    • Continuous addition to alkylation or hydroformylation reactor vessels equipped for pressure and temperature control (140-180°C; 10-30 bar)

    Final product types

    • Dioctyl phthalate (DOP) substitutes, synthetic esters for PVC flooring, wire coating, automotive trim, and cable insulation

    3. Synthesis of Specialty Lubricant Additives

    Additive manufacturers utilize 2-Hexene as a controlled alkene moiety in oligomerization and alkylation pathways when engineering synthetic base fluids and viscosity modifiers for high-performance lubricants. This hydrocarbon’s double bond position allows for targeted molecular architecture crucial for pour point, oxidative stability, and film-forming characteristics demanded in next-generation machinery and automotive lubricants. Production occurs in continuous stirred tank reactors with strict in-line chromatographic monitoring. Synthesized intermediates undergo subsequent alkylation and hydrogenation steps, after which QC verifies consistency and compliance.

    Industry compliance standards

    • API 1509 standards for engine oil formulation (where applicable)
    • ASTM D4485 for engine oil performance properties
    • ISO 14001:2015 for environmental management in synthetic oil production
    • SAE J183 for physical and chemical testing of lubricants

    Typical usage ratio

    • Alkene content typically 2%–6% by weight, adjusted to molecular weight and viscosity targets of the additive

    Downstream process integration

    • Direct addition into oligomerization reactors, or as feed in batch or continuous alkylation sequences after raw material pre-purification

    Final product types

    • High-viscosity polyalphaolefins (PAOs), pour-point depressants, viscosity index improvers, synthetic base oil fractions for industrial/motor use

    4. Building Block for Organic Synthesis in Agrochemical Manufacture

    Agrochemical producers select 2-Hexene for use as a reactive intermediate in the synthesis of several herbicide and pesticide active ingredients. Its defined unsaturation supports regioselective additions, such as hydrocyanation and hydroformylation, affording C8–C10 intermediates under moderate conditions. Production lines include raw material pre-treatment, metered addition to the reaction vessel, and staged purification via distillation or extraction before conversion towards target actives. Final crop protection agents undergo further formulation and stabilization before shipping to field application sites.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 for batch traceability and QC
    • Regulation (EC) No 1107/2009 (EU approval of plant protection products)
    • US EPA 40 CFR Part 158 Data Requirements for Pesticides

    Typical usage ratio

    • Typically introduced at 1.0–1.2 mol per mol of downstream functionalization target, with adjustment based on final molecule’s yield and side-product profile

    Downstream process integration

    • Controlled batch or semi-batch addition to key functionalization or chain-extension reactions in fine chemicals lines

    Final product types

    • Intermediate building blocks for selective herbicides, pre-cursors to insect growth regulators, side-chain extended fungicide actives

    5. Precursor for Fine Chemical & Fragrance Ingredient Synthesis

    Producers of fine chemicals and fragrance intermediates use 2-Hexene for carbonylation and epoxidation reactions to derive aldehydes and alcohols with chain structures necessary in perfume and aroma formulations. Its controlled reactivity enables catalytic transformations with high selectivity, delivering fragrance-grade intermediates of consistent quality. Processing involves metered addition in continuously stirred reactors under strict nitrogen blanketing, with batch tracking and product identity confirmation via GC-MS and NMR prior to further use in compounding or formulation.

    Industry compliance standards

    • IFRA Standards for fragrance materials (regulated activities)
    • ISO 9001:2015 for fine chemical traceability
    • REACH registration for fragrance intermediates in Europe
    • US FDA 21 CFR 172.515 for synthetic flavoring substances

    Typical usage ratio

    • Feed ratio commonly 1.0 mol per mol of target intermediate, subject to selectivity and conversion efficiency

    Downstream process integration

    • Direct dosed into aldehyde/ketone synthesis reactors or as the unsaturated starting point for chain-extended alcohol and ester creation

    Final product types

    • Hexanal, hexanol, and chain-extended aldehydes, fine aroma and flavor intermediates, synthetic musks, and specialty esters
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    Certification & Compliance
    More Introduction

    2-Hexene: A Straightforward Solution for Modern Synthetic Chemistry

    Understanding 2-Hexene from the Manufacturer’s Perspective

    As a company dedicated to hydrocarbon synthesis and petrochemical innovation, we have spent decades refining our process for producing 2-Hexene in high purity and at commercial scales. The driving force behind our approach comes from real feedback in the field: researchers and formulators want clear performance, consistent quality, and materials that respond predictably in their applications. Unlike intermediates processed just for textbook specification, our 2-Hexene puts reliability into day-to-day use.

    Model and Purity: Getting the Details Right

    We supply 2-Hexene as a mixture of cis and trans isomers, with options for enriched streams based on client chemistry needs. Our standard industrial grade falls within a purity window above 99%, confirmed by both GC and NMR analysis for every production batch. Lab professionals regularly comment on the clean chromatograms and the lack of tails or extraneous peaks—a direct result of refining the distillation and handling process. This attention pays off, especially for those pursuing demanding organic syntheses or pinpoint selectivity in catalytic reactions.

    Direct engagement with both large-volume processors and research groups informs how we package and transport each product. Our drums and totes are sealed under inert gas to keep oxygen and moisture from touching the material in transit or storage. Even after long-haul shipment, the product arrives with the same clarity and colorless character as the day it left the reactor, tested right before shipping. Chemical and polymer companies recognize this difference during transfer: no errant odors, no polymeric buildup in the lines, and no guesswork before kick-starting a reaction or charging a polymerization tank.

    Application Experience: Use Cases That Drive Development

    Engineers in the chemical industry choose 2-Hexene for alkene metathesis, selective hydrogenation, and as a raw material in the synthesis of surfactants, plasticizers, and specialty polymers. Over several years, colleagues have shared feedback in real-world scenarios—a catalyst manufacturer observed significant yield improvement with our batch over their prior supplier, pointing to a more consistent cis/trans ratio and notably cleaner starting material.

    In the context of polyolefin modification, formulators rely on the double bond placement at the 2-position. This arrangement opens productive routes to a range of co-monomers without introducing contaminants that can poison Ziegler-Natta or metallocene catalysts. The consistent isomer ratio prevents shifts in mechanical or rheological properties during copolymer synthesis, reducing downtime and minimizing rework. It’s not textbook advice—it’s the result of listening to plant engineers when they describe issues like gel formation, uneven cure rates, or color instability.

    Surfactant manufacturers look for selective alkylation, and feedback from their teams has shown fewer byproducts when using our 2-Hexene as the feedstock compared to 1-hexene or mixed isomer hexenes. The result in their daily work has been a reduced purification burden, saving hours of distillation time and improving final product color and odor. The line operators point out fewer off-spec batches and a predictable process window, which translates to reduced raw material wastage and greater cost control.

    2-Hexene Versus Other Alphabet Alkenes

    For most customers, the first question is ‘Why 2-Hexene? Why not 1-Hexene or 3-Hexene?’ Years in the synthetic lab have revealed that even these small differences in structure yield dramatic changes in reactivity, byproduct profiles, and selectivity. 1-Hexene offers a terminal double bond; it tends to act as a more aggressive alkylating agent and can lead to chain branching or cross-linking under certain conditions. 2-Hexene, in contrast, places the double bond in a more central position, offering a subtler degree of reactivity—a distinctive advantage during stepwise syntheses or controlled additions.

    Take pharmaceutical and agrochemical applications, where precise control over byproduct formation determines yield and batch purity. Many teams have commented on how the geometric isomerism in 2-Hexene influences regioselectivity and, more importantly, the avoidance of unwanted oligomers. Our manufacturing plant tunes the isomer composition based on project specifics, supporting clients who want either predominantly cis or predominantly trans material. This level of customization is built on established dialogue with leading research consortia and industrial partners.

    Comparisons with close relatives such as 2-Methylpent-1-ene or even cyclohexene further highlight why major polymer and elastomer companies specify our 2-Hexene for comonomer streams. The linear backbone of 2-Hexene avoids the issues caused by more highly branched analogues, such as reduced compatibility with catalyst systems or unpredictable mechanical properties in the resulting products. During many scale-up projects, clients have told us about smoother transitions between pilot and full-scale production due to the consistent boiling point and vapor pressure profiles of our product.

    Manufacturing: Insights Gained on the Production Floor

    After years building up our plant, a few hard-earned lessons stand out. Maintaining a stable feedstock, rigorously controlling column reflux ratios, and investing in continuous online analytics have allowed us to lock in a product profile that meets the tightest customer needs. The daily routine starts with a vigorous review of analyzer tracings from the night shift—if the trace shows drift or an uptick in impurities, operations halt the column, address the root cause, and resume only after the corrective action gets validated. Down the hall, the QC lab cross-checks samples in parallel with online results, ensuring that both trace and bulk contaminants stay below customer-expected thresholds. These steps keep our end users out of trouble, especially those running high-throughput batch reactors or multiphase catalytic processes.

    Over the years, we’ve had plenty of feedback from technical teams fighting contamination, downtime, or material incompatibility. For instance, in one incident, a large converter struggled with unwanted side-reactions caused by trace sulfur compounds from a previous vendor’s product. Correcting this involved not only routine batch analytics but also a complete rebuild of our gas scrubbing and purification sequence—our new equipment eliminated the sulfur, and follow-up collaboration closed gaps in tank maintenance and sampling procedures, preventing future trouble and improving the client’s own finished goods.

    Product Safety and Environmental Responsibility

    Safe and efficient handling of 2-Hexene underpins everything from employee training to end-user satisfaction. All direct staff receive practical training on leak detection, vapor handling, and drum coupling routines. Our process engineers have adopted closed-system transfer and inert blanketing to prevent both human exposure and atmospheric release. It’s routine for us to monitor fugitive emissions, and we have a robust spill response plan that our onsite safety team drills quarterly. Customers have commented that our packaged material consistently arrives free of pressure bulges or off-odors, showing the benefit of careful purging and overpacking for shipment.

    Our plant supports sustainable production by optimizing solvent recovery and reducing waste wherever possible. As we have moved to newer distillation technology, we've been able to cut energy consumption per ton of 2-Hexene by more than 25% compared to legacy systems. This step has carried through to our downstream partners, with customers in the polymer sector noting the reduced carbon footprint of their feedstock chain. Years of fielding technical questions about green chemistry pushed us to publish energy and emissions reductions—a practice welcomed by procurement officers and technical buyers focused on lowering lifecycle impacts.

    Traceability, Documentation, and Compliance

    Ensuring every drum or tote of 2-Hexene that leaves our gate meets both technical and regulatory requirements consumes real time and resources. Our documents go beyond regulatory minimums by including production batch traceability, isomer ratio details, and full upstream tracking for raw materials, all verified with wet chemical and spectral analysis. During audits, inspectors frequently comment on the transparency and integrity of our chain of custody. For import and export scenarios, we stay current on evolving global transport and storage standards for olefinic hydrocarbons. Risk teams know our paperwork closes gaps before they turn into compliance headaches, from the United States to the European Union and across Asia-Pacific logistics routes.

    Long-time clients look to us for support with regulatory updates. We maintain a live dialogue with users and regulators, factoring in anticipated shifts in labeling requirements, workplace safety expectations, and environmental protection targets. As authorities introduce stricter guidelines on emissions, exposure, or product stewardship, our QC and documentation teams adapt the necessary paperwork and training so end users don’t get caught unawares on site or during shipment. It’s not about chasing after regulations—it’s a matter of building mutual trust over years, one batch at a time.

    Troubleshooting in Routine Use

    Occasionally, seasonal climate swings or supply chain delays can create challenges with physical handling—condensation or pressure differences in intermediate storage lead to questions about product integrity. Field engineers from large polymer plants have invited us to review their in-plant storage configuration, where together we identified vapor lock issues on rainy days and gave practical advice on drum warming and blanket gas realignment. These small interventions keep material moving without product wastage or process delay.

    A number of customers perform sensitive catalytic reactions; even minor traces of peroxide or water in the 2-Hexene stream can halt productivity. Our own plant procedures include routine screening for these side contaminants, coupled with real-time customer support. We respond rapidly to field analytics, sending documentation and, when needed, replacement shipments so that production continues with minimal lost hours. The operational reliability of those using 2-Hexene is closely linked to the transparency and honesty of their supplier—and many customers have told us that our willingness to field troubleshooting calls stands out in a crowded market.

    Looking Ahead: Continuous Improvement for Reliable Chemistry

    The chemical market never sits still, and we rely on the real-world challenges from our partners to inform continuous improvement. As demand for green and specialty polymers grows, requirements for trace impurities, vapor phase handling, and recycling capability are changing rapidly. In recent years, consumer brands have started asking their upstream suppliers about origin, environmental impact, and ways to reduce process inefficiency further down the line. This means the bar for 2-Hexene purity, compliance, and chain-of-custody documentation rises each year. Our plant team, in collaboration with technical clients, reviews physical plant upgrades and QC methods, sharing outcomes and pitfalls learned in the field.

    Recently, we engaged with several research institutes looking for higher specificity in catalyst trials, which spurred investment in fractional crystallization equipment. The resulting product stream, with its precisely controlled isomer content, has already generated positive feedback for its role in increasing yields and reducing catalyst consumption. Demand for advanced documentation—ranging from digital verification of origin to lifecycle greenhouse gas reporting—now shapes the way we schedule batches, log data, and even package outbound shipments.

    The feedback loop never closes; agility remains essential in a sector dominated by changing customer demands, regulatory flux, and technical advance. We continue to welcome honest feedback from formulators, plant operators, and research chemists alike, tapping into collective intelligence to drive 2-Hexene development. The end result isn’t about marketing on a website—it’s about earning trust in a daily partnership, using real performance and transparency to deliver on what matters most.