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2-Methyl-2-Pentene

    • Product Name 2-Methyl-2-Pentene
    • Alias isohexene
    • Einecs 203-491-4
    • 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
    VTB
    Specifications

    HS Code

    117392

    IUPAC_name 2-Methylpent-2-ene
    Molecular_formula C6H12
    Molar_mass 84.16 g/mol
    CAS_number 625-27-4
    Appearance Colorless liquid
    Boiling_point 63-65 °C
    Melting_point -142 °C
    Density 0.680 g/cm³
    Flash_point -22 °C
    Refractive_index 1.391
    Solubility_in_water Insoluble
    Vapor_pressure 241 mmHg (20 °C)

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

    Packing & Storage
    Packing The 2-Methyl-2-Pentene is packaged in a sealed, amber glass bottle containing 500 mL, clearly labeled with safety and hazard information.
    Shipping 2-Methyl-2-Pentene should be shipped in tightly sealed containers under cool, dry, and well-ventilated conditions. It is classified as a flammable liquid and requires labeling and packaging according to regulations (such as DOT or IATA). Avoid sources of ignition and protect from physical damage during transit. Use appropriate UN-approved packaging.
    Storage **2-Methyl-2-pentene** should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from sources of ignition or heat. Keep away from oxidizing agents and strong acids. The storage area should have proper fire suppression and spill containment systems. Use only with adequate ventilation and avoid inhalation or contact with skin and eyes.
    Application of 2-Methyl-2-Pentene

    Applications of 2-Methyl-2-Pentene in Industrial Manufacturing

    2-Methyl-2-Pentene serves as a highly specialized intermediate in select industrial processes. From advanced organic synthesis to polymer modification, its impact is concentrated in strictly regulated manufacturing sectors where precise formulation and processing requirements drive efficiency and compliance. Below are the principal application segments based on current proven global industrial utilization.

    1. API and Fine Chemical Synthesis

    As an alkene intermediate, 2-Methyl-2-Pentene plays a distinct role in the manufacture of high-purity pharmaceutical and agrochemical intermediates. Its terminal double bond facilitates controlled catalytic reactions, especially for constructing carbon skeletons via hydroformylation or other selective transformations. Production plants implement this raw material primarily in custom synthesis of API side chains and specialty fine chemicals, requiring tight process integration and continuously monitored addition rates to meet purity milestones for downstream reactions.

    Industry compliance standards

    • Current Good Manufacturing Practice (cGMP, ICH Q7)
    • EU Regulation (EC) No 1907/2006 (REACH) for chemical intermediates
    • United States Drug Master File (DMF) referencing requirements
    • ISO 9001:2015 Quality Management Systems

    Typical usage ratio

    • Introduced at 2%–8% molar ratio relative to reaction pathway feed; exact ratio set per target molecule and desired conversion, with batch process adjustments based on in-line monitoring results

    Downstream process integration

    • Added during the initial coupling or modification stages by continuous or semi-batch feed; monitored by in-situ GC analysis to optimize yield and isolate intermediates with minimal by-products

    Final product types

    • Prescription drug intermediates (e.g., modified hydrocarbons for antihypertensives)
    • Agrochemical precursors (e.g., selective pesticide scaffolds)
    • Specialty fine chemicals for custom synthesis routes

    2. Polymerization Modifiers in Polyolefin Production

    In polyolefin manufacturing, this alkene functions as a modifier or chain transfer agent to regulate polymer architecture and melting properties. Operators incorporate 2-Methyl-2-Pentene in polymerization reactors to achieve specific end-use melt-flow rates and molecular weights, especially in specialty-grade polypropylene or ethylene copolymers. The dosage and feed timing are calibrated to reactor kinetics and monitored by on-line process analytics to ensure performance consistency for subsequent extrusion and molding.

    Industry compliance standards

    • US FDA 21 CFR 177.1520 (for olefin polymers in food contact)
    • EU Regulation (EU) No 10/2011 for food-contact plastics
    • ASTM D3350 (Standard Specification for Polyolefin Plastics)
    • EN ISO 19069-1:2015 (Polypropylene, PP, molding and extrusion materials)

    Typical usage ratio

    • Metered in at 0.05%–0.3% weight/weight basis to total monomer feed; refined depending on target polymer branching and application-specific performance parameters

    Downstream process integration

    • Added to the monomer or comonomer stream immediately before polymerization initiation, with continuous dosing in loop or gas-phase reactors

    Final product types

    • Impact-modified polypropylene pellets
    • Polyethylene co-polymer films and sheets
    • Specialty molding resins for automotive or packaging parts

    3. Organic Synthesis for Fragrance Ingredients

    This material serves as a feedstock for the synthesis of branched aliphatic alcohols and aldehydes via hydroformylation and hydrogenation in fragrance ingredient production. Manufacturing sites utilize its high purity to produce odoriferous intermediates used by international aroma compound formulators. Accurate batch dosing and impurity control help support downstream flexibility in converting alkenes to aldehydes or alcohol derivatives for stable, reproducible aromatic profiles in finished blends.

    Industry compliance standards

    • IFRA Code of Practice (International Fragrance Association)
    • Regulation (EC) No 1223/2009 (EU Cosmetics Regulation—applicable to raw material use in fragrance precursors)
    • ISO 9001:2015 (Quality management in aroma chemicals)
    • REACH Annex VII–VIII (safety and traceability requirements for chemical intermediates)

    Typical usage ratio

    • Charged in reaction vessels at 10%–25% molar ratio depending on the desired alcohol or aldehyde chain length; specific dosing adjusted for yield optimization and purity goals

    Downstream process integration

    • Fed to hydroformylation reactors followed by separation and hydrogenation; process requires vigilant control of feedstock purity and real-time analytical feedback to maintain product quality

    Final product types

    • Branched aliphatic alcohols for fragrance blends
    • Synthesized aldehydes applied in perfumery and flavor houses
    • Intermediate fragrance molecules for consumer scent formulations

    4. Alkylation Agent in Lubricant Additive Manufacturing

    Chemical plants handling high-performance lubricants utilize 2-Methyl-2-Pentene for controlled alkylation reactions to improve cold-flow properties and oxidative stability of base oils. It enables tailored molecular branching, which helps downstream blenders formulate lubricants meeting demanding automotive and industrial machinery standards. Integration requires close online tracking of intermediate formation and yield, while dosing rates respond precisely to base oil grade and additive formulation targets.

    Industry compliance standards

    • API Standard 1509 (American Petroleum Institute Engine Oil Licensing)
    • SAE J306 (Society of Automotive Engineers Gear Oil Specs)
    • ISO 9001:2015 (Quality management for lubricant additive production)
    • OECD Guidelines for the Testing of Chemicals (Environmental compliance in lubricant chemistry)

    Typical usage ratio

    • Operates in alkylation reactors at 4%–12% mole ratio to base oil or phenolic substrates; actual ratio determined by targeted viscosity index and required lubricity improvement

    Downstream process integration

    • Fed with base oil streams to reaction zones under controlled temperature and acid catalysis; data-logging methods document timing and concentrations for audit trails and formulation records

    Final product types

    • Detergent and dispersant packages for lubricants
    • Viscosity modifiers for automotive engine oils
    • Specialty additives for heavy-duty and environmentally friendly lubricants
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    Certification & Compliance
    More Introduction

    2-Methyl-2-Pentene: Perspective from the Manufacturer

    Why We Continue to Produce 2-Methyl-2-Pentene

    In the world of chemical manufacturing, we select what we make based on demand, real performance, and viability. 2-Methyl-2-Pentene offers an unassuming answer to many synthesis needs, and we have seen the value through long-term partnerships with industrial customers who come to us not for novelty, but for unwavering reliability. This is a colorless liquid hydrocarbon, model C6H12, part of the alkene family. Chemists prefer it for certain alkylation and organic synthesis steps where reactivity and selectivity matter more than scale or cost alone. Our production process is tuned for high purity—achieving a minimum of 98%—with low moisture content. Impurity control leads to fewer surprises on the user’s end, whether you’re scaling up batches or running delicate pilot plant trials.

    Our Experience: Why 2-Methyl-2-Pentene Is Useful

    We’ve worked with clients in flavors and fragrances, and specialty pharmaceutical intermediates. Each project seems to reveal a slightly different side of this molecule. Customers who need an effective alkylation reagent tend to appreciate the double bond on the second carbon, eliminating the ambiguity that comes with positional isomers. We have also supplied manufacturers who need a transparent, relatively inert base stock for organic syntheses or as a reactant in controlled isomerization.

    In our own research and small-batch development, purity has been the main sticking point. If there’s excess moisture or brassical impurities in the batch, downstream catalysts become unreliable and final product yields drop. We invested heavily in in-line vapor phase drying and batch-by-batch gas chromatography to guarantee the specs we publish match reality. The demand for higher quality has increased in the last ten years, especially as intermediates have to meet more stringent standards overall, not only in pharma but also in electronics and specialty coatings.

    Specifications Grounded by Real-World Testing

    Typical lots feature purity over 98%. The boiling point we target for most processes is 63–65°C, with density around 0.68–0.69 g/cm³ at 20°C. This may seem like a dry detail, but every kilogram batch that leaves our facility has gone through both in-house and third-party testing to confirm those figures. Consistent boiling and proper vapor pressure ensure our product can be used safely in closed systems, which often run round the clock for months.

    We don’t cut corners with container selection, either. Aluminum and HDPE remain our standard choices, because steel and glass can introduce trace catalysts that tip a reaction off-course. The product’s low water solubility and moderate volatility make storage straightforward, but experience tells us vigilance pays dividends—especially in hot, humid climates. Drum seals and nitrogen blanketing go a long way to minimizing polymerization or contamination.

    How 2-Methyl-2-Pentene Compares With Alternatives

    Much of our team’s practical knowledge comes from feedback loops with customers who have tried swapping 2-Methyl-2-Pentene for similar molecules—such as 2-Methyl-1-Pentene or hexene isomers. The positioning of the double bond matters. In the 2 position, we see the right mix of reactivity and stability, which simplifies selectivity during addition reactions or controlled polymerizations. Shifting the double bond impacts the ultimate product yields, whether you’re making a flavor reconstitute, an isomerization catalyst, or a tailored specialty material.

    2-Methyl-1-Pentene, for instance, has been considered as a swap by several partners. We have run the numbers alongside them and found that unwanted side reactions show up more often, reducing final throughput or requiring purification workarounds. Straight-chain hexenes offer different boiling points, which don’t always match up with established reaction windows.

    Our chemists have seen that, for some applications, branching provides a notable benefit by deterring unwanted polymerization. For other manufacturers attempting to keep residues or byproducts to a minimum, the branched structure of 2-Methyl-2-Pentene makes all the difference in their workflows. Low olefinic content means less potential for double-bond migration during thermal cycling or radiation sterilization, as might be needed in sensitive intermediate procedures.

    Handling and Storage Considerations Matter in Real Operations

    We work closely with logistics teams to ensure proper handling, as our experience has made clear the impact of minor lapses during storage or transport. 2-Methyl-2-Pentene exists as a flammable liquid and can, if left uncapped or stored in inappropriate materials, pick up enough static discharge risk to trouble a carefully laid-out plant. We have stuck with well-sealed, nitrogen-blanketed containers through experience—each lesson learned has helped us tune procedures, lower incidents, and raise operating consistency. It’s not something to gloss over. If you’re hot-filling drums or tanks, small details such as ambient humidity, pressure relief, and drum orientation can spell the difference between a routine day and an expensive clean-up.

    Sustainability, Emission Control, and Our Ongoing Improvements

    Many customers began asking about environmental performance a decade ago, which pushed us to make serious inroads on waste handling, air emissions, and solvent recovery. Much of our 2-Methyl-2-Pentene is manufactured using catalytic processes that minimize byproduct generation; we reprocess as much off-gas as practical for use as fuel in on-site energy recovery.

    We know regulations will continue to tighten, especially regarding volatile organic compound emissions and workplace exposure. We’ve worked with local authorities and industrial hygiene consultants to refine our vent and containment systems—carbon scrubbing, double-sealed valves, and dedicated transfer lines prevent leaks and ensure compliance with airborne limits. Each improvement lowers risk both for us and our customers, because the less lost to the atmosphere, the less remains unaccounted for in everyone’s mass balances.

    Real-World Usage Scenarios: How Our Clients Use 2-Methyl-2-Pentene

    Production chemists come to us asking for a specific volatility profile, especially for use in isomerization, hydrosilylation, or oligomerization reactions where the position of the double bond controls product selectivity, not merely overall conversion. Some use the product straight as a reactant, others require it as a co-monomer to fine-tune the physical or chemical traits of specialty polymers. We have seen the need shift over time, but the root requirement persists: maximum purity, reliable supply, and complete traceability batch to batch.

    Customers manufacturing fragrance intermediates justify the premium paid for high-quality 2-Methyl-2-Pentene, noting that degraded or off-spec product can taint entire batches, leading to costly reprocessing. In pharma intermediates, catalyst selectivity depends on tightly controlled feedstock. No customer wants to hear about failed batches because of upstream contamination; that is a pain we understand on both ends.

    Research groups seeking alternatives to more hazardous or reactive alkenes often turn to this product for ease of purification and manageable toxicity. It allows for high-throughput screening without raising safety protocol requirements dramatically. Yet care remains important: despite the moderate toxicity, the flammable nature means routine monitoring and proper ventilation belong on every batch card and safety checklist.

    Process Improvements and Customer Feedback

    Years of continuous production have built out a feedback process unlike what’s possible when merely trading or brokering. Our customers flag problems as they arise, not just with product form or spec, but with drum handling or residual odors after use or storage. Through each complaint or suggestion, we have updated both our technical sheets and our operational procedures—introducing more granular certificates of analysis, providing hands-on support for transfer protocols, or tweaking stabilizer levels batch-by-batch to reach a happy medium between shelf life and practical reactivity.

    On more than one occasion, a batch intended for a specialized pharmaceutical intermediate yielded unexpectedly high levels of an unwanted side product. Close inspection usually traced the culprit to tiny variations in impurity load—an invisible contaminant at the ppm level. This prompted us to step up analytical monitoring, going well beyond the minimum reporting limits required by most standards. Our outlook has always been to find the gap and fill it, not simply follow the pack.

    Differences That Matter—Not Every Alkene Stacks Up

    Production environments seldom reward shortcuts, especially with cyclic schedules and strict down–time limits. Experience shows that although other alkenes can seem cheaper up-front, higher impurity loads or poorly controlled physical properties often sap value from what should be simple syntheses. 2-Methyl-2-Pentene offers a reliable profile: high purity, low residual chlorides, low water. Its branching resists unwanted polymerization under typical ambient storage, and the reactivity at the double bond’s location keeps chemoselectivity in check. This is not a theoretical debate—it is reality in every planned outage or shift crossover.

    Our long-term supply partnerships have shown that one-size-fits-all rarely works. The branch and double bond position in this product make it irreplaceable for clients focused on precise reaction control and the avoidance of byproduct headaches. Cheaper substitutes exist, but costly troubleshooting and repeated pilot work quickly erase any planned savings. For anyone still sitting on the fence, we can share practical case studies: batch records and in-line performance data from multiple industry segments, all showing the difference consistent 2-Methyl-2-Pentene can deliver.

    Safety and Compliance—A Realistic Approach

    Our role as a manufacturer extends beyond delivering drums or tankers. Safety compliance, especially in a chemical that can create flare risks or static, depends on rigorous processes. We have worked with independent auditors and in-house HAZOP teams to embed proper protection in every transfer, pump-out, or residue recovery operation. Solvent residues are managed at our tank farm with real-time vapor monitoring and documented disposal protocols, not just because regulations require it, but because one misstep can set back both trust and production schedules for months.

    Local safety data drives our storage advice—ventilation, drum earthing, and fire suppression are standard. Yet, there is no substitute for regular staff training, up-to-date documentation, and carefully maintained PPE stocks. Many of our plant operators have seen the damage done by overlooked ignition sources—those cautionary tales now shape our maintenance schedules and troubleshooting guides.

    Batch Traceability and Data Transparency

    Traceability might sound like a buzzword, but in the polymer, pharma, and specialty chemical fields, it matters. We offer a minimum five-year batch history for every drum shipped, including details from raw material procurement to finished QA release. With recent digital upgrades, batch records now link directly to chromatograms, allowing us and our partners to audit performance independently.

    Data transparency has grown into a baseline expectation. Our response: provide not just certificates of analysis, but ongoing trend data for impurity and stability checks over rolling time windows. We have observed that this upfront work reduces downstream troubleshooting and provides customers with early warning if trends begin shifting even fractionally over time.

    Adaptation to Evolving Market Demands

    The industries using 2-Methyl-2-Pentene keep evolving, especially as technical teams look for higher efficiency in catalytic alkylation, or aim to introduce less hazardous alternatives into flavor and aroma syntheses. What once sufficed for general synthesis applications now sort as a commodity is insufficient—the trend is toward fine-tuned product control matched to specialty workflows. This means smaller batches, more frequent spec adjustments, and rapid on-demand support.

    Recently, bio-derived alternatives have begun to pop up, challenging us to adapt our offering. We’re piloting biofeedstock routes, analyzing both cost and technical suitability. It’s a work in progress, but reflects our belief that sustainability must be paired with robust, real-world performance. Many clients are running hydrocarbon mass-balance calculations on each input; our plants feed that effort with transparent sourcing and unfiltered emissions data.

    Solving Persistent Challenges—Our Approach

    Challenges in this business don’t go away—they evolve. Impurities, storage, process upsets, and supply bottlenecks are all part of the landscape. Our strategy has always focused on incremental, continuous improvement, not silver bullets. For persistent impurity challenges, we updated our catalyst choices and invested in upgraded fractional distillation equipment. For handling and polymerization risks, we doubled down on container sealing and selective batch stabilizer addition. With every improvement, we publish the underlying data for client review.

    Supply bottlenecks require contingency planning. We operate with expanded onsite storage, multi-shift production, and alternate feedstock procurement lines. Customers know we keep a buffer, so one plant outage or logistics snag doesn’t ripple down and halt downstream operations. We have learned that the best client relationships come from demonstrated delivery reliability, not just technical advice.

    Future Outlook: More Than a Commodity

    For us, 2-Methyl-2-Pentene stands as more than a simple intermediate. It represents a commitment to quality and transparency that comes from being a dedicated manufacturer. Our team’s cumulative experience tells us that strong supplier-client feedback helps both sides avoid the pain of failed reactions, storage accidents, or regulatory oversights. Production may still look similar to decades ago, but the expectations from customers and regulators make the business tougher and more rewarding. We remain ready to listen, adapt, and evolve along with those who depend on this material to drive their own success stories.