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HS Code |
138898 |
| Cas Number | 763-29-1 |
| Molecular Formula | C6H12 |
| Molar Mass | 84.16 g/mol |
| Appearance | Colorless liquid |
| Boiling Point | 63-65°C |
| Melting Point | -135°C |
| Density | 0.679 g/cm³ at 20°C |
| Flash Point | -18°C (closed cup) |
| Refractive Index | 1.392 at 20°C |
| Vapor Pressure | 221 mmHg at 25°C |
As an accredited 4-Methyl-1-Pentene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for 4-Methyl-1-Pentene (100 mL) features a sealed amber glass bottle with a secure screw cap and safety labeling. |
| Shipping | **Shipping Description for 4-Methyl-1-Pentene:** 4-Methyl-1-Pentene should be shipped in tightly sealed containers, away from heat, sparks, and open flames, as it is a flammable liquid. Ensure compliance with relevant regulations (such as DOT/IMO/ICAO). Use appropriate hazard labels, provide proper ventilation, and avoid contact with oxidizing materials during transport. |
| Storage | 4-Methyl-1-pentene should be stored in a tightly closed container in a cool, dry, and well-ventilated area away from heat, sparks, open flames, and sources of ignition. Keep away from strong oxidizers and acids. The storage area should be equipped with appropriate spill containment, and the chemical should be protected from direct sunlight and incompatible materials to prevent polymerization or hazardous reactions. |
Applications of 4-Methyl-1-Pentene in Industrial Manufacturing4-Methyl-1-pentene is a specialty olefin we manufacture for targeted polymerization, engineering plastics, electrical components, medical device components, and gas separation membranes. Below are the main industrial application areas, each reflecting authentic usage, downstream integration, and industry compliance requirements as observed from regular end-user sectors. 1. Polymerization Monomer for Poly(4-methyl-1-pentene) (PMP) Resin ProductionMajor polymer resin producers utilize 4-methyl-1-pentene as a monomer feedstock in the synthesis of poly(4-methyl-1-pentene), a high-performance thermoplastic. Polymerization occurs via Ziegler-Natta or metallocene catalysts. End-users value its low density, high temperature resistance, and superior chemical stability. This makes the resin suitable for specialized film, sheet, and molded products in electrical insulation and environmental monitoring fields. The strict purity needs at this stage demand consistent feedstock quality and trace impurity control. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Engineering Plastic Compounds for Medical Device ManufacturingMedical industries select specialty plastics based on purity, extractable profile, and regulatory traceability. PMP made with our monomer finds use in blood separation devices, laboratory cuvettes, and autoclave-resistant medical containers. Medical OEMs require close control of raw-materials’ residual monomer levels and lot-to-lot performance consistency for regulatory compliance and quality assurance purposes. The high transparency and chemical inertness of downstream products support demanding clinical and diagnostic settings. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Asymmetric Gas Separation Membrane ManufacturingGas technology companies employ poly(4-methyl-1-pentene) produced from our monomer for casting highly permeable membranes. These membranes serve in oxygen/nitrogen separation, hydrogen purification, and water vapor removal for industrial and medical applications. The rigid methyl side group structure creates membranes with high selectivity for certain molecular sizes, which underpins several proprietary gas processing module technologies. End-users qualify batches for permeability, mechanical strength, and chemical resistance through in-house validation protocols against published standards. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Precision Optical Components for Scientific InstrumentationManufacturers in analytical chemistry and optics specify PMP-based optical cells and UV transmission windows, benefiting from their high clarity, low autofluorescence, and unique UV/IR transparency. The base monomer’s purity and polymerization kinetics impact transmissivity and absence of haze, which is critical to instrumentation calibration and performance reproducibility. Downstream machining and injection molding require strict controls on moisture and impurity content to prevent optical distortion or yellowing during high-temperature molding and device assembly. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
5. Advanced Insulating Films for Microelectronics and Wire & CableHigh-purity grades of 4-methyl-1-pentene support the extrusion of PMP-based films and foams. End-users in microelectronics and wiring rely on these films for insulation, dielectric, and lightweight cable jacketing. With low dielectric constant, high temperature resistance, and non-halogen content, these compounds meet demanding requirements for miniaturized and high-frequency components. Electrical insulation manufacturers require batch-level testing for dielectric strength and chemical extractables, with film thickness and purity adjusted for copper or optical fiber applications. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
6. Thermoplastic Components for Specialty Chemical Processing EquipmentChemical processing firms specify PMP-based thermoplastics for valves, seals, and transparent viewing ports in corrosive or high-purity flow systems. The resulting products require chemical inertness across a wide pH range and resistance to hydrocarbon solvents. PMP component fabricators depend on monomer feedstock purity, since trace catalyst or residual monomer can impact mechanical properties, leaching, and final part safety in contact with process media. Customer applications cover equipment used in food, semiconductor, and pharmaceutical manufacturing where contamination and breakdown would pose major operational risk. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
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Competitive 4-Methyl-1-Pentene prices that fit your budget—flexible terms and customized quotes for every order.
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Every batch of 4-Methyl-1-Pentene rolling off our reactors draws on decades of chemical synthesis know-how. From the first charge of hexene feedstock to the quiet hum of polymerization units, our plants have watched the rise of specialty engineering plastics and the growing demand for ultra-pure monomers. If you’ve ever wondered what goes into the backbone of advanced polyolefin membranes or how labs and factories ensure high-quality finished products, it all starts here, as fresh molecules take shape in real-world conditions.
We prioritise quality from raw material sourcing to purification, and over the years have set up a process tuned for yield, consistency, and smart cost control. Our process eliminates a whole range of trace byproducts, which would cause headaches in downstream extrusion or casting. The detail isn’t just in hitting stated purity grades; it’s in consistent behavior across runs, batch after batch, because production lines rely on predictable input. We've found that even minute shifts in feedstock ratios or reactor temperature curves show up later, and avoiding those swings has been one lesson hard-won by experience.
We keep to a minimum purity of 99.5% for 4-Methyl-1-Pentene as delivered, measured against GC-FID trace analysis. Finer filtration and double-pass distillation allow us to reach purities scoring above 99.9% for membrane-grade lots. Moisture content remains tightly regulated; free water or traces of alcohol can ruin polymer synthesis reactions, so our drying steps focus on pushing water to below 50 ppm for speciality orders.
Density and boiling range figures tend to follow established literature data, but the reality is that customers notice even small deviations in their resin output. We watch specific gravity with calibrated glassware and digital densitometers, and log refractive index with every lot. The color is more than an aesthetic point; color bodies signal impurity, so we target the lowest possible APHA values, sometimes even below 10 for optical uses.
Our standard packaging and shipping formats have emerged through direct collaboration with material processors. Nurse tanks, sealed drums outfitted with nitrogen blankets, and clean-lined ISO containers cut down risks of exposure to oxygen or dust on long journeys. Polymerization projects run on schedule when input raw materials arrive in condition to go straight to reactor or blending tank without extensive pre-purification.
Polymer chemists seeking lightweight, heat-resistant resins put 4-Methyl-1-Pentene at the center of their formulations. Beyond just poly(4-methyl-1-pentene) — better known as PMP — its role expands to copolymer applications, where properties like rigidity, transparency, and low density shape the new generation of membranes and films. Medical and analytical labs use our product in membrane casting for gas analysis, as it outperforms many other polyolefins in both chemical resistance and clarity.
In practice, PMP produced from our material has shown to maintain strength and dimensional stability with prolonged autoclaving or solvent exposure. Our manufacturing plant specializes in minimizing trace unsaturated hydrocarbons, which otherwise can disrupt polymer chain formation or coloration. Semiconductor process engineers come to us looking for material that won’t introduce ionic impurities — our extra-purification steps answer directly to these needs, shaped by customer returns and years of joint troubleshooting.
Thin film membranes, especially for analytical separation or microfiltration, benefit from the material’s outstanding transparency and resistance to organic solvents. Hospitals and diagnostic labs gravitate towards PMP-based housings for filtration cartridges and cuvettes, since repeated sterilization cycles rarely compromise their performance. Our operational controls during synthesis deliver reliable performance in injection molding and extrusion, where consistent melting behavior means fewer stoppages and scrap runs.
Producing 4-Methyl-1-Pentene on a commercial scale brings a different set of demands compared to batch chemistry. Early in our plant’s history, managing exothermic reaction control was a make-or-break challenge. Feedstock purity played a larger role than the textbooks led us to believe — impurities in hexene, for instance, triggered runaway side reactions and colored byproduct formation. Installing multi-stage distillation columns and moving to in-line GCs for quality checks has curbed these issues, saving both time and energy.
A real curveball threw itself at our team during a scale-up run: trace sulfur compounds slipped through a new vendor’s feedstock, causing an unexpected spike in off-gassing during polymerization. By working with our QC team and the supplier, we developed a spec sheet with much tighter sulfur limits, which has avoided repeat incidents. These kinds of issues shape our process controls and supplier audits, since no two plants or markets handle raw monomers the same way.
Handling volatile monomer stocks safely drives equipment decisions from seal types to pressure-relief protocols. We’ve seen how minor valve leaks can cause massive odor control issues and regulatory headaches, so our site maintenance crews walk lines daily and we rotate seals and gaskets proactively. For environmental compliance, vapor recovery units and on-site scrubbers allow us to recycle a portion of vented product, reducing both raw material loss and plant emissions. Our waste reduction program now captures a higher percentage of off-spec monomer for solvent recovery, turning earlier losses into a partial stream of reusable solvent or blending stock.
For a polymer manufacturer or specialist, 4-Methyl-1-Pentene stands out from propylene, hexene, or other alpha-olefins. Its branched structure grants PMP an edge in gas permeability and heat resistance, two properties that have allowed materials science teams to develop membranes for high-purity separations not possible with standard polypropylene. The resin’s density falls lower than most other semicrystalline thermoplastics, making it vital in lightweight device design where both mechanical strength and low mass matter.
Customers frequently ask how it compares to conventional polyolefins in extrusion and molding. We’ve logged hours in applications labs, and our engineers report higher clarity and consistent melt flow under precisely controlled conditions. This property has opened up markets in optical components that polypropylene cannot serve, such as sight windows or light guides in sensor housings. Its chemical resistance profile closely matches that of polyethylene, but with extra resistance to acids, bases, and organic solvents, allowing it to survive in lab and industrial chemical exposure where standard resins degrade.
We see clear cost and process differences too. The monomer itself commands a higher price, driven by the purification steps and lower global output. Returns from users suggest that lower defect rates in finished parts and longer service life can more than offset raw material costs in many applications. Our role as producer means we work with customers looking to strike that balance — not every job requires PMP, but those that do count on its distinct mix of properties. We offer both standard grade and higher-purity monomer batches for ultra-clean requirements, responding to lessons learned as markets have matured.
Over the years, nothing has surprised us more than the way customer feedback fuels innovation in our process. A leading film manufacturer faced irregular flow during coextrusion, a puzzle that kept rejecting large batches. After troubleshooting, we traced the problem to micro-level residue differences between monomer sources, which altered rheology more than expected. Our technical crew worked with theirs, providing detailed breakdowns, and ran a fresh distillation profile tuned for their plant’s needs. Their acceptance rate climbed and they reduced line stoppages by over sixty percent that year.
Much of our success rests on establishing clear lines of communication. No process finishes with a one-way shipment. Plant engineers want assurance that new monomer lots perform the same as last month’s shipment. We archive retention samples, run side-by-side comparison tests, and welcome customer visits for joint troubleshooting or benchmarking. Resolving small inconsistencies before they disrupt a production run has proven worth every added step in testing and transparency. We know that confidence in consistency — product arriving ready for use, validated with all supporting data — supports innovation in new product launches and keeps R&D labs moving.
We’ve learnt not to stand still. New applications in medical diagnostics, advanced filtration, and lightweight automotive parts keep raising the bar. With tighter government quality and emissions standards every year, the scrutiny on chemical producers has increased in step. We've upgraded analytical instrumentation, introduced lot tracing from tank to drum, and implemented digital quality reporting. These shifts support customer requirements and have shaped the training of our workforce, who understand the significance of each docket and certificate that ships with our product.
Running a chemical synthesis plant brings sustainability to the front of every decision. Volatile organic emissions, process water management, and shipping safety each call for close attention. We've improved our vapor recovery and scrubbing lines, recovering monomer that once counted as lost emissions. Residual monomer recovery from reactor wash-outs now supplies internal blending batches for less critical uses, cutting waste. By segregating off-spec product and introducing lean process design, our teams help lay the groundwork for a more resource-efficient operation.
Energy use remains a constant factor. A shift to high-efficiency heat exchangers in distillation allowed us to trim process heating costs and minimize greenhouse gas output. Work with external partners on hydrogen energy supports both productivity and compliance with local emission limits, and our plant teams meet quarterly to identify bottlenecks and improvement points. These steps are practical responses to a changing world, shaped by feedback from every department, from maintenance to shipping, rather than external mandates.
With the regulatory climate growing more complex, transparency with clients and authorities shapes decision-making at all levels. We register purity profiles, composition breakdowns, and batch histories openly, submitting to outside audits and making compliance documents readily available. Our operators and engineers sit down together to review process incidents, near misses, and opportunities for design improvement.
The journey of producing 4-Methyl-1-Pentene for modern industries tells the story of a chemical plant shaped as much by end-user requirements as by internal targets. Direct lines with material processors and OEMs have flagged many small improvements, from reformulated drum liners that reduce contamination risk, to logistics planning that avoids monomer delays during storms. Our teams respond to the reality on the shop floor, not just to the theory in old textbooks.
Every shipment represents both the discipline of process chemistry and the unpredictability of real-world demand. We’ve found that consistent product quality not only reduces customer headaches but shortens ramp-up times for new manufacturing campaigns. From avoiding blocked melt filters in an extrusion line to supporting pilot runs of emerging membrane technologies, the details add up to an easier experience for those handling and processing our material.
We never underestimate the value of openness and technical support. Material problems rarely fit neatly in a datasheet box. Our technical staff sit across the table with customers’ engineers, reviewing process diagrams and troubleshooting on-site issues that at first seemed unrelated to material input. By staying involved through every phase from qualification runs to full-scale production, our company grows as a partner, not just as a provider.
The wider field of polyolefin monomers keeps expanding, but the specific properties of 4-Methyl-1-Pentene — clarity, chemical resistance, and process stability — continue to carve out space in advanced manufacturing. We see every batch as a chance to prove both technical experience and reliability, knowing that tomorrow’s applications will push these qualities even further. Through collaboration, attention to detail, and a commitment to ethical practice, we aim to help define the future with every drum shipped, knowing each journey begins at the level of atoms but ends in products that change how people live and work.
