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3-Ethylpentane

    • Product Name 3-Ethylpentane
    • Alias c2c(cc)ccc
    • Einecs 208-215-9
    • 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

    674089

    Iupac Name 3-Ethylpentane
    Molecular Formula C7H16
    Molar Mass 100.21 g/mol
    Appearance Colorless liquid
    Odor Gasoline-like
    Density 0.703 g/cm³ (at 20°C)
    Melting Point -119 °C
    Boiling Point 92-94 °C
    Solubility In Water Insoluble
    Vapor Pressure 38 mmHg (at 20°C)
    Refractive Index 1.389 (at 20°C)
    Flash Point -12 °C
    Structure Type Branched alkane

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

    Packing & Storage
    Packing The 3-Ethylpentane is packaged in a 500 mL amber glass bottle with a secure screw cap, featuring a hazard label.
    Shipping 3-Ethylpentane should be shipped in tightly sealed containers, away from heat, sparks, and open flames. It must be handled as a flammable liquid and kept in a cool, well-ventilated area. Transport in accordance with relevant local, national, and international regulations for hazardous materials, specifically those for flammable hydrocarbons.
    Storage 3-Ethylpentane should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible materials such as strong oxidizers. Keep the container tightly closed and properly labeled. Store away from direct sunlight and heat. Use approved flammable liquid storage facilities and ensure grounding during transfer to prevent static discharge. Follow all relevant safety regulations.
    Application of 3-Ethylpentane

    Applications of 3-Ethylpentane in Industrial Manufacturing

    As the original manufacturer of 3-ethylpentane, we supply this hydrocarbon to specialized sectors where its chemical properties are indispensable in precise process engineering. Below are the primary industries and manufacturing scenarios where our product delivers tangible value, detailing specific compliance standards, standardized formulation approaches, integration methods, and the end products produced by our industrial clients.

    1. High-Purity Solvent Platform for Pharmaceuticals

    Pharmaceutical manufacturers require high-purity and low-reactivity alkanes for selective extraction and purification protocols, especially during the synthesis of complex active pharmaceutical ingredients (APIs). 3-Ethylpentane serves as a process solvent in production lines where minimizing polar residue and ensuring process repeatability are critical, particularly under GMP-controlled environments.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • US Pharmacopeia (USP) General Chapter <467> Residual Solvents
    • EU GMP Directive 2003/94/EC
    • FDA 21 CFR Part 210/211

    Typical usage ratio

    • Used at 5–20% of total solvent volume; adjusted based on solubility of specific pharmaceutical intermediates, phase separation parameters, and volatile impurity control requirements

    Downstream process integration

    • Introduced during organic layer extraction after main reaction and before crystallization; solvent removal and recycling performed via vacuum distillation units within the plant

    Final product types

    • Small-molecule APIs
    • Specialty pharmaceutical intermediates
    • Oligonucleotide synthetic products after solvent displacement
    • Purified intermediates destined for further formulation

    2. Calibration Standard in Analytical Laboratories

    Reference material producers and specialized analytical labs employ 3-ethylpentane as a non-polar hydrocarbon standard in the calibration of gas chromatography (GC) instruments. Its well-characterized volatility and chromatographic retention time support traceable measurements, which are crucial for method validation, instrument qualification, and regulatory submission packages for both pharma and petrochemical companies.

    Industry compliance standards

    • ISO 17025 (General requirements for the competence of testing and calibration laboratories)
    • USP Chapter <621> Chromatography
    • ASTM D5134 (Detailed Analysis of Petroleum Distillates by GC)
    • GLP (Good Laboratory Practice) Regulations

    Typical usage ratio

    • Prepared within calibration mixes at 1–10 ppm in test solutions; exact ratio established according to the detection range and linearity requirements of individual GC methods

    Downstream process integration

    • Weighing and precise addition during preparation of calibration mixtures by gravimetric or volumetric dilution; integrated into standard curves or as an internal standard during analytical run setup

    Final product types

    • Certified reference materials for analytical calibration
    • GC calibration kits supplied to pharmaceutical QC labs
    • Petrochemical composition standards
    • Secondary working standards for environmental and forensic testing

    3. Component in Fuel Blendstock Research and Development

    R&D teams at refineries and engine testing centers utilize 3-ethylpentane as a model alkane in the formulation of surrogate fuels, where controlled volatility, ignition delay, and octane rating must mimic those of composite commercial fuels. This specialization aids the predictive simulation of combustion characteristics in new engine formulations or emissions studies, especially for certification-grade testing of cleaner combustion systems.

    Industry compliance standards

    • ASTM D4814 (Standard Specification for Automotive Spark-Ignition Engine Fuel)
    • EN 228 (European standard for unleaded petrol)
    • ISO 4259 (Petroleum products — Determination and application of precision data in relation to methods of test)
    • SAE J312 (Automotive Gasolines)

    Typical usage ratio

    • Blended at 1–12% in laboratory-scale fuel mixes; percentage determined by simulation requirements and intended test cycle volatility targets

    Downstream process integration

    • Incorporated during fuel blending in controlled batch reactors; introduced before standardization for research octane number (RON) and simulated distillation assessments

    Final product types

    • Custom reference fuels for engine R&D centers
    • Emission R&D test fuels for governmental compliance trials
    • Benchmarked comparison blends for palm- or coal-derived synthetic fuels
    • Formulations supporting low-emission automotive innovation pipelines

    4. Process Medium in Polymerization Catalyst Synthesis

    Catalyst manufacturers use 3-ethylpentane as an inert hydrocarbon medium in the synthesis and pre-suspension of Ziegler-Natta and metallocene polymerization catalysts. Its specific boiling point and inertness ensure defined particle morphologies and promote effective catalyst support wetting during multi-step catalyst component assembly, critical for achieving precise polymer properties in subsequent downstream polymer manufacturing.

    Industry compliance standards

    • ISO 9001 (Quality Management Systems for chemical production)
    • REACH Regulation (EC) No 1907/2006 for polymerization aids
    • ISO 14001 (Environmental Management for catalyst production plants)
    • Company-specific hazard and exposure control SOPs for hydrocarbons

    Typical usage ratio

    • Charged at 40–60% of the total volume in catalyst reaction and suspension systems, tailored to catalyst type and desired final yield properties

    Downstream process integration

    • Added to jacketed reactors during initial catalyst precursor addition; medium is carefully removed via vacuum stripping or inert gas sparging prior to catalyst drying and passivation

    Final product types

    • Supported Ziegler-Natta catalyst powders
    • Molecularly dispersed metallocene catalysts
    • Polymerization-grade catalyst slurries (ready for polyethylene/polypropylene production)
    • Pre-formulated catalyst masterbatches for resin manufacturing

    5. Reference Compound in Hydrocarbon Physical Property Databases

    Testing institutes and chemical data aggregators require pure hydrocarbon standards during method development for physical property databases. 3-ethylpentane’s distinct molecular profile, refractive index, and consistent vapor pressure curve make it suitable for establishing or verifying standard curves in laboratories responsible for maintaining national reference data on hydrocarbons used in chemical engineering modeling, safety assessments, and materials research.

    Industry compliance standards

    • NIST (National Institute of Standards and Technology) calibration protocols
    • ISO/TR 6330:1999 (Hydrocarbon purity verification guidelines)
    • DIN 51757 (Determination of density for liquid hydrocarbons)
    • ASTM E260 (Vapor Pressure Data Compilation Methods)

    Typical usage ratio

    • Measured at a purity of ≥99.5% and deployed as 100% reference sample within measurement cells; no dilution for refractive index or boiling point checks, diluted only if matrix matching is needed for cross-validation

    Downstream process integration

    • Dispensed directly into reference cells for property measurement; used as benchmarking compound within automated or manual physical property analyzers

    Final product types

    • Certified hydrocarbon property datasets published online or in reference handbooks
    • Standard reference compounds distributed to university and company R&D labs for internal quality controls
    • Physical property tables for heat transfer modeling in process engineering software
    • Basis samples for developing new analysis protocols for similar alkanes
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    Certification & Compliance
    More Introduction

    3-Ethylpentane: Practical Applications and Reliable Quality from the Source

    Introduction to 3-Ethylpentane

    Chemical production demands attention to detail and a respect for how each molecule finds purpose in industry and research. 3-Ethylpentane, organic and straightforward in its structure, stands out as a useful branched alkane with the formula C7H16. In our facilities, where each step of synthesis and purification takes place under controlled and documented conditions, every batch of 3-Ethylpentane leaves the reactor with clear identification and traceability. Chemists and process engineers look for reliability, not just on paper, but in every order consistently delivered across seasons.

    Understanding the Model and Specifications

    Quality starts with the raw materials. We use high-purity starting alkanes, strict distillation protocols, and GC analysis to ensure that the final 3-Ethylpentane carries as few impurities as possible. The boiling point sits where you expect—less than n-heptane, more than isopentane—providing an expected volatility profile that helps in both process design and lab work. When buyers ask about specification, they usually want details on assay purity, moisture content, and any presence of isomers or closely related structures. For 3-Ethylpentane, GC purity marks above 99% in routine lots. Moisture remains low due to closed-loop handling systems.

    Containers matter as much as the content. The product travels in sealed aluminum or coated steel drums, depending on scale and transport requirements, to maintain the integrity of the hydrocarbon and reduce any risk of contamination or loss. Batch numbers, production dates, and analytical data go with every shipment, following the best practices that customers expect—auditors have checked our records and walked the lines, and we have adjusted protocols after every round of feedback.

    Practical Uses: Why Industrial and Research Buyers Trust It

    In the research community, 3-Ethylpentane finds a home in organic synthesis, serving as a benchmark for hydrocarbon analysis, calibration standards, and structure-activity relationship studies. Some project teams request this molecule while refining chromatographic methods, as its non-polar, saturated character serves as a neat test for retention times and instrument tuning. In petrochemical settings, it joins test blends, calibration gas mixtures, and GC standards.

    Manufacturing plants have used 3-Ethylpentane as a model compound to simulate branched-chain hydrocarbon behavior under cracking or reforming conditions. In specialty polymer research, it acts as a nonreactive solvent or diluent for select formulations. While not every user operates on a refinery scale, even the small to mid-size labs working on method development need bulk reliability—without the assurance of consistent quality, results drift, and troubleshooting soaks up hours that could go towards actual development.

    What Sets 3-Ethylpentane Apart from Other Hydrocarbons

    Straight-chain and branched alkanes each bring their own set of physical properties. 3-Ethylpentane distinguishes itself from its isomers and analogs by a specific ratio of molecular weight, vapor pressure, and solubility in common solvents. Its boiling point falls below n-heptane, but its branching gives it structural qualities that impact reactivity and phase behavior. In practice, rotational barriers and molecular packing affect its interaction with other chemicals or chromatographic phases.

    Compared to 2,3-dimethylbutane or n-heptane, users notice differences in volatility, separation performance in analytical applications, and how purity holds up in storage or transit. Its unique branching also means it doesn’t show overlapping GC peaks with linear C7s or heavily substituted isomers—lending an advantage for calibration. For engineers designing a new test blend or calibrating refinery analyzers, avoiding unexpected overlap or ghost peaks saves time and ensures accuracy.

    Production Experience: From Reactor to Drum

    Our experience with 3-Ethylpentane goes beyond batch synthesis—we have learned over the years how minor changes in catalyst ratios, residence time, or even column packing materials yield subtle shifts in product profile. During early optimization cycles, we saw how the wrong distillation head could introduce higher boiling residues, complicating downstream assays. After switching suppliers for our process valves, recurrent internal audits picked up a minor, but detectable, impact on throughput and purity. These daily realities shape not only the end product, but the procedures codified into our control systems and the training we deliver to teams.

    Scaling up production meant investing in larger reactors, and building redundancy into every stage. The same isolation steps used for n-alkanes do not always translate well to branched isomers. Fractions collected during final distillation undergo repeated GC and NMR checks. The result answers not just what users ask for in documentation, but what specialist applications require—no unexplained peaks, no excess water, no residues above low ppm threshold. Each run generates a full analytical profile available for review, with historical comparisons available for returning buyers who want to check against previous lots.

    The Importance of Consistency in Every Lot

    Customers in both academic and industrial sectors want confidence that the results they generate with one drum of 3-Ethylpentane match those from another. Our experience shows that even small degradations in quality add real cost over time—instrument downtime, drift in calibration curves, and problems reconstructing historical data all follow from out-of-spec material. We keep archives of past production samples to allow side-by-side validation in case any question arises months or even years after delivery.

    We run regular training and refresher courses with our plant and QA staff, focusing on the nuances that make or break a pure hydrocarbon lot. Documentation does not stop at certificates of analysis—comprehensive records stretch from raw material sourcing through to final fill and shipment, every step timestamped and supported by automated data capture. Independent audits, both internal and third-party, check not only the numbers but the everyday practices that maintain rigor under changing workloads.

    Buyers often ask about the handling and shelf life of 3-Ethylpentane. The truth is, alkanes of this type prove quite stable—stored under an inert atmosphere in tightly sealed containers, the risk of oxidation or polymerization becomes negligible. Customers who follow standard chemical storage protocols see unchanged quality for years. The greater challenge lies in preventing minor contamination or accidental exposure to light and air during transfer. Providing clear labeling, proper SDS, and practical handling advice with every shipment pays dividends across our supply chain.

    Safety Considerations in Real-World Handling

    Safety underpins every modern chemical operation, and branched alkanes fit no exception. 3-Ethylpentane carries the familiar hazards: flammability, vapor inhalation risk, and the need for grounded transfer systems to avoid static discharge. Packaging includes internal liners and pressure relief where larger drums or bulk shipments travel internationally. In our experience, most incidents stem not from intrinsic chemistry, but from lapses in housekeeping or incomplete attention during decanting or re-batching.

    We equip every loading station with real-time vapor detection and automated shutdown. Staff working in filling or dispatch areas all receive annual refreshers on hydrocarbon-specific responses for spills, inhalation, or accidental contact. While alkane vapors dissipate quickly in well-ventilated spaces, maintenance of proper extraction and LEL (Lower Explosive Limit) alarms sits squarely in our operations manual. That attention safeguards both personnel and high-value product, reducing losses and interruption.

    Regulatory Expectations and Logistical Realities

    Our teams spend as much time navigating transport, labeling, and international shipment rules as handling the chemistry itself. 3-Ethylpentane, while not subject to special toxicity limitations in many jurisdictions, travels as a flammable liquid. Every drum and tank receives standard HazMat classification, compliant with update cycles from ADR, IMDG, and IATA requirements. That extends beyond paperwork—our warehouse and transport partners receive training on alkane-specific hazards, firefighting requirements, and spill response protocols.

    We track each international lot from dispatch to delivery, giving both customers and local authorities access to shipment status, origin, and full specification. Customs or port officials occasionally request spot sampling—past experience with prompt response, supplying full batch records and signed compliance documentation, means delays rarely stretch more than a few hours. Several customers in pharma or regulated industries ask for long-form certificates and chain-of-custody logs, which we provide drawn directly from our electronic production and QA systems, never reconstructed after the fact.

    On the domestic front, our distribution centers keep buffer stocks and work overtime during seasonal demand spikes. Logistical teams developed quick-turn maintenance routines for drums and lines that handle flammable alkanes, streamlining both safety checks and turnaround time. Direct coordination between our production, storage, and transport arms means orders seldom sit in staging areas longer than a shift, greatly reducing the risk of product degradation or unauthorized access.

    Technical Collaboration and Customer Feedback

    Direct relationships with end-users shape how we approach both batch production and long-range product development. University and industrial R&D partners often send candid notes about recovery rates in chromatographic analysis, solvent compatibility, and the impact of minor hydrocarbon impurities in their processes. No amount of internal simulation substitutes for real-world feedback from seasoned chemists and engineers. Every concern that arrives—be it a possible volatile impurity or a question about medium-term drum storage—feeds into the continuous improvement routines that we have followed for decades.

    A recent customer in catalyst screening shared chromatograms that highlighted trace carryover from line cleaning solvents. This led our maintenance group to alter wash protocols and move to a two-solvent, gas-purged final rinse, which all but eliminated the background. The result: not only higher satisfaction among analytical users but higher operational throughput, as operators could run changeover cycles with less troubleshooting and paperwork.

    Regular open dialogue with buyers pushes us to preempt issues before they reach the lab or the process floor. That transparency runs both ways—technical staff also visit key clients’ facilities, gaining a first-hand picture of the application environment. Details that seem minor in a distillation column—be it thermal cycling patterns or the presence of trace oxygen—hold outsized importance for bench chemists. That ongoing collaboration results in fewer callbacks, fewer returns, and more productive partnerships.

    Facing Challenges: Keeping Pace with Growing Standards

    Regulatory bodies and major buyers now ask for more than a simple certificate of analysis. Chain-of-custody documentation, real-time shipment updates, and digital signatures on production records become the norm rather than the exception. Years ago, basic physicochemical data and batch purity sufficed; today, users want digital traceability, third-party data integrity checks, and cross-referenced archival samples. Our quality and IT teams invested early in secure cloud-based recordkeeping, two-step authentication for QA data entry, and automated audit trails on every batch record.

    While managing digital records took some adjustment, the benefits became clear. Disputes over batch consistency, shipment history, or specification compliance resolve quickly with comprehensive, time-stamped files. For high-value contracts, we routinely supply COAs, NMR, GC-MS, and moisture analysis certificates—all archived for instant retrieval and future comparison. Clients report back on ease of onboarding new suppliers, as they can show auditors real, tamper-evident records going back years.

    Each change in technology or compliance standards brings another chance to refine plant operations. Recent upgrades to real-time GC and FTIR monitoring, alongside improvements in automated distillation control, lowered our off-spec batch rates. Continuous process monitoring limits operator intervention to true exceptions, giving consistency even during shift changes or maintenance cycles. With experienced process chemists overseeing scaling, and regular inter-lab calibration checks, product reliability holds steady as volumes rise.

    Responsible Manufacturing and Environmental Considerations

    Sustainable chemical production means tracking every input and output, recycling where possible, and monitoring emissions closely. 3-Ethylpentane’s hydrocarbon nature requires responsible venting, condensation, and capture during production and filling. Our solvent recovery systems reclaim vapor-phase losses, reducing both environmental impact and product loss. Waste handling teams work to minimize residual hydrocarbons in wash streams, running regular sampling and air monitoring around the clock.

    Investments in thicker-walled process vessels and improved seals on transfer lines have cut fugitive emissions. Where feasible, we route low-rate vent streams to flare or carbon capture systems. Our engagement with community and regulatory stakeholders means publishing annual data on emissions, waste, and energy use, and quarterly safety meetings with local teams share insights on continuous improvement. We support external audits, both from corporate clients and local agencies, drawing from years of incident-free operation as evidence of diligence.

    On legacy process lines, upgrades take place in phases; plant engineers map out bottlenecks and potential loss points each fiscal year, allocating capital where it counts. Operators retain input—if a process technician notes a recurring condensation issue or high energy use during a particular step, asset managers work with production to run diagnostics and implement changes. These iterative steps—incremental rather than revolutionary—keep both quality and safety trending upwards.

    Looking Ahead: Supporting Innovation and Growth

    Ongoing demand for 3-Ethylpentane reflects its usefulness in both legacy and modern applications. As new test methods, chromatographic techniques, and specialty formulations emerge, even small production tweaks and purity improvements create real benefits for end-users. Our research and production group continues to test new catalysts, separation media, and packaging improvements. Each significant change runs through pilot testing and stability trials before release at scale.

    Strategic partnerships with analytical instrument firms give early warning of evolving user needs. Feedback from those on the front lines—be it industrial site QC chemists or academic investigators—drives our product development cycles. If customers report a new requirement for ultra-trace impurity control or changes in solvent compatibility, we direct R&D resources to address these needs in upcoming lots.

    3-Ethylpentane occupies a unique position, bridging bulk petrochemical uses and high-precision research. Its properties, purity, and handling requirements give it an edge where branched hydrocarbons of intermediate volatility serve a practical role. Direct insight from the manufacturing floor—shaped by years of routine, adjustment, and success—fuels a commitment to continuous improvement. Through transparency, technical support, and a focus on reliability, we will keep delivering a product that stands up to both established and emerging customer demands.