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3-Methyl-1-Pentene

    • Product Name 3-Methyl-1-Pentene
    • Alias isohexene
    • Einecs 205-897-3
    • 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

    539482

    CAS_Number 107-39-1
    Molecular_Formula C6H12
    Molar_Mass 84.16 g/mol
    Appearance Colorless liquid
    Boiling_Point 63-64 °C
    Melting_Point -134 °C
    Density 0.676 g/cm3 (20 °C)
    Refractive_Index 1.394 (20 °C)
    Flash_Point -18 °C (closed cup)
    Solubility_in_Water Insoluble
    Vapor_Pressure 240 mmHg (20 °C)
    PubChem_CID 7886

    As an accredited 3-Methyl-1-Pentene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 3-Methyl-1-Pentene is packaged in a 1-liter amber glass bottle, featuring a secure screw cap and warning hazard labels.
    Shipping 3-Methyl-1-Pentene is shipped in tightly sealed, chemical-resistant containers under cool, well-ventilated conditions to prevent vapor buildup and exposure to heat or flames. Appropriate hazard labels and shipping documents are required to comply with regulations for flammable liquids. Transport is typically by ground or air, depending on quantity and destination.
    Storage 3-Methyl-1-Pentene should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from heat, ignition sources, and direct sunlight. Store away from oxidizing agents and acids. Ensure proper labeling and secondary containment to prevent spills. Ground all equipment for static discharge and use non-sparking tools when handling.
    Application of 3-Methyl-1-Pentene

    Applications of 3-Methyl-1-Pentene in Industrial Manufacturing

    As a direct manufacturer of 3-Methyl-1-Pentene, we supply this material for critical value-adding roles in multiple high-performance polymer and specialty chemical sectors. The following real-world application scenarios illustrate where our raw material integrates directly into advanced industrial processes, supporting end-users in achieving unique performance profiles, regulatory compliance, and consistent downstream processing results.

    1. Transparent Polyolefin Membranes for Gas Separation

    Industrial users employ 3-Methyl-1-Pentene as a monomer for creating poly(3-methyl-1-pentene) (PMP) membranes, owing to its low density and high gas permeability. Its unique methyl branching enables high optical clarity and specific gas selectivity, making these membranes essential in settings such as nitrogen-oxygen air separation and hydrogen recovery from process gases. Downstream membrane manufacturers carefully monitor raw material consistency, as monomer purity critically impacts membrane morphology and gas transmission rates, in accordance with global standards for critical process gases in electronics and pharmaceuticals.

    Industry compliance standards

    • ISO 9001:2015 Quality Management for polymer production
    • ASTM D1435-20 (Standard Practice for Outdoor Weathering of Plastics)
    • SEMI F57-0315 (Polymer Materials for Ultrapure Water and Semiconductor Wet Process Chemicals)
    • IEC 61340 (Electrostatics in critical environments)

    Typical usage ratio

    • 100% of the polymer backbone as the primary monomer for PMP; targeted copolymer ratios vary 95–99% for tailored selectivity and mechanical properties

    Downstream process integration

    • Direct charge into the polymerization reactor during Ziegler–Natta or metallocene-catalyzed synthesis
    • Solution or melt casting for film/membrane formation, post-polymerization purification, and annealing

    Final product types

    • Microporous gas separation membranes
    • Air and nitrogen enrichment modules for electronics manufacturing
    • Hydrogen recovery and purification units
    • Membrane contactors for solvent dehydration and VOC recovery

    2. Specialty Packaging Films for Pharmaceutical and Food Contact Use

    Converters utilize 3-Methyl-1-Pentene-derived polymers to manufacture flexible films with high moisture and chemical resistance, benefiting shelf-life extension for pharmaceutical blister packs and certain food packaging. The resin's chemical inertness and minimal extractables make it suitable for direct contact with sensitive products. Manufacturers implement rigorous migration testing and process control from monomer sourcing through film extrusion and post-treatment to ensure batch-to-batch reproducibility and global health compliance.

    Industry compliance standards

    • FDA 21 CFR 177.1520 (Olefin polymers in food contact)
    • EU Regulation (EU) No 10/2011 (Plastic materials intended for food contact)
    • USP <661.1> Plastic Packaging Systems and Their Materials of Construction
    • ISO 11607 (Packaging for terminally sterilized medical devices)

    Typical usage ratio

    • Up to 100% for monolayer systems; for multilayer co-extrusion, 10–40% in barrier or inner contact layers depending on required permeability and mechanical balance

    Downstream process integration

    • Polymer resin delivered to film extrusion lines, typically granulated or pelletized
    • Thermal extrusion, blown or cast film processing, followed by slit, printing, and lamination as required for finished formats

    Final product types

    • Pharmaceutical blister cavities and lidding films
    • Food vacuum and modified atmosphere packaging liners
    • Lightweight protective barrier bags for diagnostic reagents
    • Pre-filled medical device pouches

    3. High-Purity Chemical Apparatus and Laboratory Ware

    Laboratory consumables and precision chemical apparatus producers favor PMP plates, flasks, and cuvettes because of their exceptional purity, low oligomer content, and superior optical transparency—essential for analytical work in molecular biology and spectroscopy. The resin’s unique chemical resistance profile minimizes cross-contamination and analyte adsorption, critical for trace-level assays. Direct collaboration with instrument OEMs ensures consistent supply of high-quality virgin polymer, traceable from monomer batch to finished component, in line with international material standards for laboratory plastics.

    Industry compliance standards

    • ISO 8655 (Piston-operated volumetric apparatus)
    • ISO 10993-5 (Biological evaluation of medical devices—tests for in vitro cytotoxicity)
    • DIN EN ISO 8253 (Laboratory plastics—spectroscopy cuvettes)
    • REACH Regulation (EC) No 1907/2006 (Substance registration and safety for laboratory items)

    Typical usage ratio

    • 100% for injection molded laboratory ware; copolymer modifications are rare and application-specific

    Downstream process integration

    • Polymer resin enters injection molding or precision extrusion platforms, often with in-situ filtration to eliminate particulates prior to shaping
    • Sterilization or surface-modification step for specific analytical compatibility

    Final product types

    • Volumetric flasks and graduated cylinders
    • UV-transparent spectrophotometer cuvettes
    • Disposable pipette tips and deep-well plates for genome research
    • Sample storage vials for trace organics analysis

    4. Electrical and Electronic Component Encapsulation

    Manufacturers of lightweight, insulating electronic modules deploy 3-Methyl-1-Pentene-based polymers for encapsulating and protecting sensitive semiconductor circuits, especially where low dielectric loss and chemical inertness are paramount. Appropriate monomer quality and controlled process integration minimize ionic contamination and guarantee stable dielectric properties, both critical for high-frequency and moisture-sensitive electronics. Close adherence to electronics sector standards guides material selection and encapsulation cell design.

    Industry compliance standards

    • IPC-4101 (Base materials for printed boards)
    • IEC 60216 (Electrical insulating materials — thermal endurance properties)
    • UL 94 (Flammability testing for plastics — V-0, V-2 ratings as relevant)
    • RoHS Directive 2011/65/EU (Restriction of Hazardous Substances in electronics)

    Typical usage ratio

    • 30–60% as matrix material in blends for potting compounds or full encapsulation, adjusted for required thermal stability and mechanical properties

    Downstream process integration

    • Inclusion in hot-melt or liquid resin systems for encapsulation, typically during the bulk molding or transfer molding stages prior to curing
    • Integration with automated dispensing and in-line thermal treatment for device assembly

    Final product types

    • IC chip encapsulants and conformal coatings
    • Moisture-resistant packaging for sensor modules
    • Insulating covers for high-frequency electronic assemblies
    • Protective dielectrics for optical data transmission devices

    5. Lightweight Structural Components in Aviation and Automotive Industries

    Tier-one suppliers in the transport sector use polymers derived from 3-Methyl-1-Pentene to injection-mold ultra-lightweight, precision-fitted components. These applications leverage the monomer’s inherent low density and high dimensional stability after molding, reducing vehicle mass while maintaining resistance to automotive fluids and severe operational loads. Direct traceability of monomer origin supports quality audits and certification in global automotive and aerospace supply chains, and process control at the compounding and molding stages is crucial to deliver performance-based parts for final assembly lines.

    Industry compliance standards

    • IATF 16949 (Automotive Quality Management System)
    • EN 9100 (Aerospace Quality Management System)
    • SAE J2027 (Plastic materials for automotive use)
    • FAR 25.853 (Flammability requirements for aircraft interior materials)

    Typical usage ratio

    • 60–90% as core resin, sometimes blended with reinforcing fillers for impact-modified or static dissipative components; ratio validated by end-use mechanical testing

    Downstream process integration

    • Resin compounded with functional additives in extruders prior to pelletization
    • Injection molding or low-pressure structural foam molding—with automated process monitoring—to form final parts

    Final product types

    • Precision gears, housings, and bushings in fuel delivery and transmission systems
    • Interior panels and trim for aircraft cabins and cargo areas
    • Lightweight structural brackets and covers for electric vehicle battery packs
    • Non-metallic mounting and connector systems for automotive electronics
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    Certification & Compliance
    More Introduction

    Introducing 3-Methyl-1-Pentene: Experience Direct from the Source

    A Manufacturer’s Take on a Unique Olefin

    Shaping new chemical solutions calls for a careful look at the building blocks we provide. 3-Methyl-1-Pentene stands out not only for its chemical structure, but also for how it bridges lab demands with high-volume industrial processes. Our team spends years fine-tuning and scaling up production, so this is not just a molecule—it is the culmination of hands-on work, quality controls, and real customer conversations.

    Understanding 3-Methyl-1-Pentene

    This compound, known as 3-Methyl-1-Pentene or 3M1P, belongs to the family of branched olefins. With the structure C6H12, it features a methyl branch off the main pentene chain. Its model often includes a purity above 99%, colorless appearance, and a clear liquid form at room temperature. These features reflect not just a molecular drawing, but the intensive steps our chemists and process operators take—high-vacuum distillations, fractional separation, and precise instrumentation in every lot.

    From a manufacturing standpoint, every drum or tank we fill must live up to years of customer audits and specifications. We specify batch numbers, supply particle size control data, and trace every shipment back to the day it left our reactor. Through continuous feedback and years of technical troubleshooting, we've improved not only our plant designs, but also the certainty our clients value. At scale, this means we can deliver reliable quantities, from a single drum up to tanker loads for customers scaling up their own polymer or specialty chemical programs.

    The Role of 3-Methyl-1-Pentene in Industry

    Down-to-earth use cases drive us to keep refining our processes. 3-Methyl-1-Pentene serves as a key monomer for specialty plastics and high-performance polymers. Many users, particularly in the membrane filtration sector, look for high-purity batches to produce poly(3-methyl-1-pentene), known for its exceptional gas permeability and optical clarity. This polymer's unique combination of chemical resistance and low density puts it in everything from medical membranes to lightweight containers.

    Other customers apply 3M1P as an intermediate in fine chemical synthesis, where the methyl branch introduces the right amount of steric hindrance for targeted transformations. Some research labs come to us wanting to push the molecule in new directions—novel polymerization techniques, specialty solvents, even flavor and fragrance intermediates. Direct manufacturing keeps us close to these conversations, as we respond to requests for modified grades or batch-specific impurity profiles.

    One consistent lesson from industry feedback: slight variations at the molecular level can ripple through into final product quality. Consistency matters, and we've invested in real-time, in-line NMR and GC monitoring to reduce lot-to-lot drift. We’ve learned from coating customers, for example, that even minor shifts in base purity could influence downstream polymerization rates or optical properties.

    How 3-Methyl-1-Pentene Differs from Other Olefins

    A key point of pride comes from knowing exactly how 3M1P behaves compared to other pentene derivatives. Straight-chain 1-pentene may look similar at first glance, but lacks the same degree of steric protection around the double bond. This affects both reactivity and selectivity in downstream chemistry. We see this play out especially in Ziegler-Natta or metallocene catalysis, where 3M1P feeds into polymer chains that show distinct melting points or gas barrier properties versus their linear cousins.

    Customers also ask us about 4-methyl-1-pentene, the monomer behind common PMP (poly(4-methyl-1-pentene)). While both materials fall into the C6-olefin group, their performance and processing windows diverge. Poly(3-methyl-1-pentene) delivers a different balance of crystallinity, stress crack resistance, and light transmittance, often translating to specialized applications that 4-methyl-1-pentene cannot fill. The two are not directly interchangeable, and we see that reflected in process engineering and purchasing decisions across the globe.

    We've handled a variety of C6 isomers—from 2-methylpentene to hexene itself. Each has its own set of handling quirks: volatility, color development on storage, or sensitivity to oxygen. 3-Methyl-1-Pentene demands closed-system transfer, nitrogen blanketing, and proper drum lining to ensure users receive the colorless, stabilized quality they pay for.

    Product Standards Built from Manufacturing Experience

    What keeps our customers coming back is not just a promise on a spec sheet, but our shared understanding of what “good 3-Methyl-1-Pentene” looks, smells, and behaves like, drawn from years of work at the production line. Our internal protocols stretch far beyond the minimum regulatory requirements. Batch certificates include routine GC-FID assay data, refractive index checks, and peroxide content screening before shipment. We work with feedback loops involving both our QC lab and trusted client R&D teams, letting us spot trends in stabilization needs or storage preferences.

    Years of production have shown the importance of minimizing trace impurities—like high boilers or peroxides—which, in the wrong environment, could compromise a full batch of polymer. Tracking every shipment, we’ve optimized our reactor cleaning regimes since even a small cross-contamination event might throw off a high-sensitivity customer downstream. Lessons from early days taught us that drum lining materials impact shelf life and appearance, so we switched early to specialized coatings after seeing deposit formation. These hard-won lessons shape what we offer today.

    Applications Driven by Real-World Needs

    The true test of 3-Methyl-1-Pentene’s value takes place in our customers’ factories, not just a controlled test lab. At one major filtration film producer, switching to a purer 3M1P stream cut membrane defects by half over six months. Plastic processors use our detailed impurity breakdowns to fine-tune their reactor charges and changeover sequences. Specialty chemical manufacturers order smaller custom runs, using distinct grades to pilot new catalyst systems or probe reaction mechanisms.

    Academic and industrial researchers push the molecule into new synthetic pathways. In some cases, a well-timed lot release on our end allows a pharmaceutical client to advance synthesis work without costly delays. Others use it as a reference standard in method development. Production, packaging, and logistics setups remain flexible enough for both established industrial users and clients purchasing for small-batch innovation.

    Not every customer faces the same challenges, so we stay involved long after an order leaves the plant. Some users ask for longer storage stabilities, prompting us to adjust antioxidant packages or explore inert-gas fill options. Where temperature control in shipping logistics proves critical, data loggers track the journey to ensure product arrives with no cold-weather polymerization or summer volatility loss.

    Consistent Quality, Derived from Feedback and Oversight

    A manufacturer’s reality means living with the consequences of every small adjustment in process parameters. Early batch instability or color formation in storage led us to redesign our purification columns and pump systems. We track defect rates and customer queries weekly, making continuous improvement a matter of routine rather than a management buzzword.

    Customers alert us when upstream supply chain kinks or legal changes affect additive availability, and we adapt product protocols accordingly. Product traceability back to raw material lots expands each year as quality expectations rise and industry audits become more rigorous. Regular plant safety reviews and environmental compliance checks tie directly to our shipment protocols.

    The bulk of our clients have shifted their procurement to manufacturers able to guarantee not just lot-assured quality, but also open channels for technical problem-solving. Our continuous relationship with specialty polymer makers, membrane manufacturers, and research labs keeps our entire team engaged with the needs of field applications, better enabling targeted process support. We understand that if a truck arrives out of spec or if an off-odor develops in storage, it is our team picking up the phone and fixing the problem—not a middleman.

    Addressing Challenges in the Sourcing and Use of 3-Methyl-1-Pentene

    Large-volume production brings its own risks. Even minor disruptions in feedstock supply or utilities can snowball into major shipment delays. Our planning team builds in redundancy at several points: multiple suppliers for critical reagents, backup generators for key process units, and in-plant spare part inventories. Our experience tells us that these up-front costs pay for themselves the first time a supply chain hiccup threatens to halt a customer’s process.

    For facilities operating with tight safety and environmental regulations, solvent handling and emissions controls stay front of mind. We participate in joint safety drills with logistics partners to ensure accident response plans in place live up to real requirements. Recent investments in vapor recovery and in-plant air monitoring cut fugitive emissions—a growing focus area both for local communities and global buyers committed to responsible sourcing.

    As our partners expand into new regions, the paperwork load grows—import, export, and customs documentation for hazardous goods lengthens order turnaround times. Experienced shipping staff and strong relationships with regulatory authorities keep us ahead of sudden rule changes that might otherwise hold up a delivery or generate unexpected costs for our customers.

    Packaging options reflect lessons from the field. Some customers favor 200-liter drums lined for extra chemical stability, while others switch to ISO tanks for large-volume continuity. We maintain on-site storage in climate-controlled conditions to cover fluctuation in demand. These small details mean a production manager somewhere can count on material in hand, not a promise in an email.

    Supporting Customer Innovation with Experience

    Innovation in downstream markets—higher-efficiency filtration, lighter plastics, or specialty intermediates for pharmaceuticals—depends on reliable access to high-purity monomers like 3-Methyl-1-Pentene. Over the years, we’ve set up rapid-response teams able to produce pilot batches or tweak formulation details as customers explore new process windows. Instead of rigidly sticking to catalog specs, our technical liaisons dive into project planning with clients, helping anticipate how trace moisture or stabilizer dose might influence conversion yields or product clarity.

    Some of our most rewarding projects came about through close cooperation—joint troubleshooting when conversion rates dropped unexpectedly, or deep-dive analysis when a downstream quality check failed. Root cause analysis often hinges not just on lab analytics, but on sharing process histories, raw material details, and handling protocols. The trust developed between manufacturer and customer grows out of these hard moments as much as smooth orders. For our product development team, feedback flows from the field right back into reactor operation and control strategy improvements.

    We’ve seen that many customers weigh the total cost of ownership, not just purchase price. Saving money on material only to lose days of production to off-spec or poorly stabilized batches undercuts the efficiency they need. Providing real-time shipment tracking, open QA report sharing, and access to batch histories runs counter to the commodity mindset and helps build partnerships, not just transactions.

    Why Direct Sourcing Makes a Difference

    Manufacturers carry the responsibility—and the satisfaction—of seeing every piece of the supply puzzle, from raw material unloading to reactor maintenance, analytical set-up, packaging, and delivery. Direct experience lets us anticipate problems upstream before they make trouble for a customer, speaking plainly about what we control, what carries risk, and how we plan to handle disruptions.

    Buyers gain reassurance when they can pick up the phone and talk to someone with direct plant oversight. We keep our field engineers and plant technicians in regular contact with our sales team and technical support. If a question comes up about residue levels, evaporation loss, or polymer properties using a specific lot, answers come quickly—with supporting data.

    Many larger distributors rely on manufacturers for more than just product. Solution recommendations, help with compliance documents, or even support during plant audits pulls us into the circle early. This teamwork goes beyond shipping a chemical; it means lending our experience to design safer, more effective industrial processes.

    Looking Forward: Meeting Tomorrow’s Market Needs

    Market requirements evolve quickly. Customers look for lower footprint packaging, lower-emissions production, and robust analytical dossiers supporting their own certifications. Our facility investments reflect these priorities, from energy-efficient distillation columns to remote analytical monitoring and safety upgrades. We support our staff through regular training so that process knowledge keeps pace with both changing raw materials and shifting regulatory targets.

    We listen when customers bring new challenges. Sustainable manufacturing is not a slogan here, but a call to reevaluate solvents, cut waste volumes, and continuously refresh our environmental footprint. This adaptability is possible only through open communication and a strong record of manufacturing experience, not just catalog listings.

    Every drum of 3-Methyl-1-Pentene out the gate marks the end of months of careful design, testing, and hands-on craft. Our job does not stop at the plant gate: support teams, chemists, and logistics personnel stay engaged so the product in your process performs as designed. A hands-on approach shapes every aspect of our work, drawing from years of accumulated insight serving industries that demand more than just commodity service. As markets grow and expectations shift, our experience delivering reliable, traceable, and innovative 3-Methyl-1-Pentene keeps us moving forward, arm-in-arm with the customers who depend on us most.