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1,3-Dimethylcyclopentane

    • Product Name 1,3-Dimethylcyclopentane
    • Alias pinanane
    • Einecs 209-789-5
    • 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

    959863

    name 1,3-Dimethylcyclopentane
    IUPAC_name 1,3-dimethylcyclopentane
    molecular_formula C7H14
    molar_mass 98.19 g/mol
    CAS_number 505-08-6
    appearance Colorless liquid
    boiling_point 90-92 °C
    melting_point -117 °C
    density 0.749 g/cm3 at 20 °C
    flash_point −12 °C
    refractive_index 1.419 at 20 °C
    solubility_in_water Insoluble
    odor Hydrocarbon-like
    chemical_structure Cyclopentane ring with methyl groups at positions 1 and 3

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

    Packing & Storage
    Packing A 500 mL amber glass bottle, securely sealed, labeled "1,3-Dimethylcyclopentane, ≥99%," with hazard symbols and handling instructions.
    Shipping 1,3-Dimethylcyclopentane should be shipped in tightly sealed containers, away from heat, sparks, and open flames due to its flammable nature. Transport must comply with relevant regulations for hazardous chemicals, utilizing appropriately labeled containers. Store and ship in a well-ventilated area, and protect from physical damage during handling and transit.
    Storage 1,3-Dimethylcyclopentane should be stored in a cool, dry, well-ventilated area away from sources of ignition, heat, and direct sunlight. Keep the container tightly closed and grounded to prevent static discharge. Store away from oxidizing agents and strong acids. Use approved, clearly labeled containers made of compatible materials to minimize the risk of leaks or contamination.
    Application of 1,3-Dimethylcyclopentane

    Applications of 1,3-Dimethylcyclopentane in Industrial Manufacturing

    1,3-Dimethylcyclopentane serves as a specialized cyclic hydrocarbon intermediate in several value-adding sectors. As the original producer, we supply this raw material directly into high-volume and high-consistency downstream workflows where tight formulation controls and industry-specific compliance are required. The following application scenarios illustrate its practical integration in real industrial processes.

    1. High-Octane Component Blending in Refinery Gasoline Production

    Blending units in modern refineries use 1,3-dimethylcyclopentane as a targeted high-octane constituent to elevate gasoline pool performance. Its cycloalkane structure supports knock resistance and controls volatility when incorporated with other blending stocks. Operators select dosage based on crude slate and seasonal requirements, always aligning with national and international fuel standards. The material enters after initial hydrocarbon separation and is dosed to precise ratios in blending tanks prior to final adjustment and quality assurance sampling.

    Industry compliance standards

    • ASTM D4814 (Standard Specification for Automotive Spark-Ignition Engine Fuel)
    • EN 228:2023 (Automotive fuels - Unleaded petrol - Requirements and test methods)
    • EPA Fuel Regulations (US Clean Air Act Title II)
    • Euro 6 Petrol Emissions Regulation

    Typical usage ratio

    • Ranges from 0.5% to 1.8% v/v of final gasoline blend; precise level adjusted based on desired octane rating and volatility profile.

    Downstream process integration

    • Injected into blending manifolds after hydrodesulfurization and isomerization units, monitored by inline analyzers for RON and MON targets.

    Final product types

    • Regular unleaded gasoline
    • Premium grade gasoline
    • Seasonal reformulated blends for regional distribution

    2. Cycloalkane-Based Solvent Formulation for Electronic Component Cleaning

    Manufacturers of electronic components employ cyclopentane derivatives in solvent mixtures to remove flux residues and particulates from circuit boards and microelectronic assemblies. 1,3-dimethylcyclopentane provides controlled solvency with favorable evaporation traits and low halogen content. It is admixed into proprietary cleansing solvent systems during compounding, ensuring compatibility with sensitive substrates and minimal ionic contamination, vital for process compliance and technical acceptance in electronics manufacturing.

    Industry compliance standards

    • IPC-CH-65B (Guidelines for Cleaning of Printed Boards and Assemblies)
    • JEITA ET-7304 (Guidelines for the Selection of Solvents for Electronic Components)
    • RoHS 2011/65/EU (Restriction of Hazardous Substances Directive)
    • J-STD-001 (Requirements for Soldered Electrical and Electronic Assemblies)

    Typical usage ratio

    • Between 5% and 15% by weight of finished solvent formulation; adjusted based on desired cleaning power and evaporation rate required for board geometry or assembly type.

    Downstream process integration

    • Added during the composition stage of solvent blending, mixed with co-solvents and stabilizers, then filtered and packaged for direct use in automated spray and immersion cleaning lines.

    Final product types

    • Printed circuit board cleaning solvents
    • Precision cleaning solutions for microelectronic packaging
    • Residue-free degreasers for high-reliability electrical contacts

    3. Cyclic Hydrocarbon Feedstock in Custom Polymer Synthesis

    Specialty polymer manufacturers select 1,3-dimethylcyclopentane as a structural modifier in controlled cycloalkane copolymerization. Its defined molecular geometry introduces rigidity and modulates glass transition temperatures in engineered thermoplastics or elastomers. The compound is introduced at the monomer preparation phase and metered into reactors according to targeted mechanical characteristics. Operators monitor integration via spectral analysis, ensuring batch consistency and traceability for technical-grade polymer materials.

    Industry compliance standards

    • ISO 9001:2015 (Quality Management for Polymer Production)
    • FDA 21 CFR 177.2600 (Polymers Used for Food Contact Surfaces—when relevant)
    • REACH Regulation (EC) No 1907/2006—Registration, Evaluation, Authorisation and Restriction of Chemicals
    • UL Yellow Card Certification for Plastic Components

    Typical usage ratio

    • Up to 5 mol% of cyclic monomer fraction; engineers fine-tune percentage based on target polymer performance specifications and downstream application.

    Downstream process integration

    • Metered into pressurized polymerization reactors in admixture with base monomers and chain-transfer agents, followed by in-process spectroscopic QC.

    Final product types

    • Modified engineering plastics (e.g., cycloalkane-modified polyamides)
    • High-temperature stable elastomers
    • Specialty thermoplastic blends for electronics or automotive

    4. Isoparaffinic Hydrocarbon Standard Preparation in Analytical Laboratories

    Chemical testing laboratories and certified reference material producers utilize 1,3-dimethylcyclopentane as a calibration and verification compound for the quantification and analysis of hydrocarbon matrices in fuels, lubricants, and environmental samples. Its defined chromatographic retention and low impurity background make it a reliable standard for gas chromatography and mass spectrometry workflows. Material enters lab-scale preparation via gravimetric dilution, supporting metrological traceability in regulated analysis settings.

    Industry compliance standards

    • ISO 17025:2017 (General requirements for the competence of testing and calibration laboratories)
    • ASTM D5443 (Determination of Volatile Hydrocarbons by Gas Chromatography)
    • EN ISO 22854 (Determination of hydrocarbon types in automotive gasoline by multidimensional gas chromatography)
    • EPA SW-846 Method 8015 (Nonhalogenated Organics by GC/FID for Environmental Analysis)

    Typical usage ratio

    • 0.1–1.0% by volume in calibration mixes; quantity set by analytical range and detector sensitivity for specific application.

    Downstream process integration

    • Weighing and transfer under inert atmosphere in controlled environments, dissolved in precise volumes of carrier solvent immediately prior to vial packaging or standard solution preparation.

    Final product types

    • Certified reference standards for hydrocarbon analysis
    • Calibration stock mixtures for fuel laboratory testing
    • Analytical grade secondary standards for QA/QC protocols
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    Certification & Compliance
    More Introduction

    1,3-Dimethylcyclopentane: Real Value in Industrial Chemistry

    Our Approach to Crafting Consistency

    Decades developing and refining our output in specialty hydrocarbons taught us that reliability doesn't come from words—it comes from process and dedication. 1,3-Dimethylcyclopentane remains a textbook case of a molecule that demands careful, disciplined manufacturing. Not every chemical plant gets it right. The difference shows up across purity, batch homogeneity, and long-haul performance in demanding chemical syntheses.

    Our facilities focus on batch monitoring and streamlining distillation. The target: a final material carrying minimal residual impurities and matching specified profiles for researchers and scale-up work. Investing in better purification trains cut unwanted shadowing hydrocarbons to below trace limits documented on our lot reports. This may seem routine, but it makes a notable impact in catalyst screening and advanced materials where side-reactions snowball due to overlooked contaminants.

    Our typical offering, 1,3-Dimethylcyclopentane, modelled for research and intermediate formulation, is strictly monitored for isomeric drift. Maintaining predictable composition brings tangible benefits for those developing cycloaliphatic synthons or testing reactivity profiles in organometallic catalysis, two segments that judge performance by what is not left behind. Practitioners in these fields call for a sharp eye on specifications, and that’s where experience at the plant level sets us apart.

    Tangible Differences Over Other Cyclopentane Derivatives

    Anyone who’s handled a variety of substituted cyclopentanes knows that not all structures behave alike during reactions. Even minor deviations—like shifting methyl groups on the ring—change both reactivity and physical properties. In a pilot trial with cyclohexane analogues, we noticed greater volatility and a different boiling profile, even after compensating for carbon count. While 1,3-dimethylcyclopentane shares certain characteristics with other dimethylcyclopentanes, the specific methyl substitution at the 1 and 3 positions delivers a unique steric profile. That means substrates see different activation energies in hydrogenation catalysts and divergent solvating behaviors in organic synthesis. This changes reaction yields, clean-up times, and purification costs down the line.

    We’ve had colleagues try a generic cyclopentane or a 1,2-isomer, hoping for drop-in performance, only to find their results skew. Analytical labs demand precision, and so do our downstream partners working in pharmaceutical intermediates and high-purity solvent blends. Switching to our consistent 1,3-dimethylcyclopentane, with tight bottling controls and transparency about trace co-products, has meant they spend far less time chasing unexplained outliers.

    Uses That Drive Production Choices

    Stepping inside one of our production halls, you hear stories from chemical engineers about how their partners on the project floor care about real-world usage, not just purity on paper. Take research in developing new polymer systems: 1,3-Dimethylcyclopentane acts both as a test monomer and as a solvent for fine-tuned reactions where a balance of volatility and non-polarity matters. Sourcing ultra-clean cycloalkanes has helped a number of teams reduce byproduct formation and streamline their post-synthesis isolation steps.

    Outside advanced research, 1,3-dimethylcyclopentane attracts interest for fuel component evaluation, where its volatility profile invokes similarities to reference hydrocarbons. This surface-level property—its vapor pressure and boiling range—interacts with regulatory targets for simulated distillation, an area where consistent purity means more trustworthy calibration standards and less time remaking faulty blends. Our refinery partners voice particular interest here, noting how trace impurities in reference materials disrupt detection limits and force rework in compliance testing. Our focus on removing trace aromatic residues and maintaining composition below specified hydrocarbon fraction ranges stems directly from these real industry lessons.

    Some specialty applications use 1,3-dimethylcyclopentane as a building block for new surfactant classes and hydrogen-donor solvents. This stretch beyond classic fuel uses requires a careful read of both physical constants and trace residue profiles, which is why we retain full analytical backup for each outgoing batch. Often, chemists at the customer end find they can skip additional fractional distillation or re-purification—saving hours of hazardous solvent handling and giving them more room for value-added project work.

    Concrete Perspectives on Production Challenges

    Our plant teams know the typical headaches of producing five-membered cycloalkanes at commercial scale. Side-reactions creep up in both alkylation and dehydrogenation steps. Small changes in process temperature or separation timing allow leftover ring isomers and heavier tailing products to accumulate, and that plays havoc with downstream analyses. Investing in equipment upgrades, such as close-tolerance fractionation columns and advanced inline gas-phase detection, improved material reliability far more than any paperwork-driven process tweak.

    Operators who spent years running simpler hydrocarbon lines report that 1,3-dimethylcyclopentane demands extra attention around stabilization, bottling, and storage: practical humidity control, tight nitrogen blanketing, and rigid exclusion of cross-contaminants. Many of our process improvements emerged only after full-scale pilot runs flagged unexpected formation of ring-opened side products under uncontrolled pressurization. A less experienced team might miss these details, but as direct manufacturers, every miss shows in plant output and customer feedback immediately.

    A common misconception: all cyclopentane derivatives behave the same under oxidative or photolytic stress. Experience dealing with multi-ton storage over seasons disproves this. We observed batch discoloration and low-level peroxide formation in poorly shielded storage drums, a risk for downstream users relying on material stability. Now, colorimetric checks and rapid GC-MS screens form part of the handoff protocol, since even small instability can shift analytical baselines, especially in pharmaceutical synthesis or advanced energetic research.

    User Feedback as a Driver for Progress

    Direct feedback from chemical researchers and refinery technicians shapes our product evolution more than any marketing survey. Regular site visits—both to OEM refineries and small formulation labs—reveal practical struggles that theory alone can’t predict. A group working on fuel surrogate development reported erratic vapor pressure readings. After digging into shipping and drum handling protocols, we traced the source to minor vent-valve leaks, solving the inconsistency by refining our container closure process.

    Pilot plant engineers, seeking new approaches to cycloaliphatic ketone synthesis, once logged minor yield losses during scale-up. Initial analysis hinted at micro-scale isomerization. In dialogue, we reviewed our real-time process analytics, honing fractionation windows and reducing hot-spot exposure at the reboiler stage. A revision in our heating controls resolved the problem, restoring desired selectivity and saving their next batch. This sort of hands-on iteration distinguishes manufacturer-driven support from the relabeled, redistributed products traders offer.

    Safety, Handling, and Real-World Logistics

    Safe handling forms the core of chemical manufacturing, especially for volatile cyclopentane rings. Our years moving bulk and semi-bulk loads by road and sea showed the hazards of even slight lapses in venting or drum handling. Early in our experience, poorly managed shipments saw pressure build-up and off-gassing that made decanting dangerous. We overhauled both drum spec—switching to pressure-rated, tight-head steel units—and trained all logistics partners to check for pre-signs of swelling before transfer.

    Research-grade batches ship with real-time temperature loggers, not as an afterthought but because years of work showed us how sensitive certain alkyl cyclopentanes are to sustained heat during transit. Long-haul ground movements across summer months in warm climates taught us protection means value preservation for the client and risk reduction for every worker who handles the material. Sticking to rigid filling windows, keeping inventory rotation tight, and collaborating directly with both shippers and on-site receivers forms a network of real accountability. These measures don’t appear in spec sheets, but they shape the material’s safety and deliverability.

    Environmental Issues: Real Lessons Learned

    Working with volatile hydrocarbons brings environmental obligations. Years ago, our plant learned the hard way about fugitive emissions from poorly sealed valves and drains. Losses during filling, though minor at the start, built up to measurable site releases over annual operation. Routine leak checks with portable FID detectors reduced those figures, and investing in improved flange gaskets pulled emissions down even further. Real-world sustainability comes less from paperwork than from engineering vigilance.

    Disposal of spent solvents containing cyclopentane derivatives gave us dozens of regulatory headaches. Plant expansions required closed reclamation systems to keep process water clear of organic residues. Our waste handling moved from simple flaring to solvent recovery, then to multi-stage scrubber use, in parallel with customer-driven recycling programs. Real waste volume dropped, solvent losses shrunk, and environmental audits improved. These are costs manufacturers absorb voluntarily when a molecule, like 1,3-dimethylcyclopentane, becomes a part of long-term production planning.

    Marketplace Differences You Can See

    Direct chemical manufacturing never follows a smooth or generic path. 1,3-dimethylcyclopentane, while a standard name on a spec sheet, brings its own wrinkles, and these show up from R&D trial sizes all the way to commercial multi-ton orders. Many clients, after using bulk products with uncertain supply chains or unknown origin, report batch-to-batch drift, off-color, or untracked contaminants. We’ve encountered labs scrambling to rerun reference syntheses after discovering out-of-spec impurities in commodity grades sourced through intermediaries.

    Solving these issues goes beyond document control. Our operators sign off on every fill. Finished batches carry full QA/QC traceability from raw feed to shipment, with retention samples pulled for later troubleshooting. Genuine solutions emerge only through direct dialogue—walking production lines with clients, comparing analytical data in real time, and openly addressing hurdles.

    Our position as a manufacturer means direct responsibility: each failure, each success, and every incremental improvement trace back to real people, real processes, and real commitments. Technical support never stops at the warehouse door; we routinely troubleshoot with users, reviewing analytics and discussing tweaks in their process, always working toward fewer surprises and tighter quality.

    Focus on What Matters Most: Relationship with End Users

    Decades of direct manufacturing taught us relationships drive results—specifically, relationships forged with users who genuinely rely on the outcome of each shipment. Traders move product. Manufacturers deliver value, and that value only appears through continued service and adaptation. Our partnerships with R&D teams, pilot operators, and established industrial users grew because of honest back-and-forth about what works and what could work better.

    Changing raw material sources or updating process equipment stems from user experiences and feedback, not from theoretical tweaks. An equipment upgrade to improve separation resolution followed direct requests for lower non-volatile residue. Adjusting shipment volumes in response to on-site storage pain points gave added convenience and minimized exposure for loading dock crews. These refinements flow from ongoing dialogue, built up over years, not from faceless bulk drops.

    We take to heart every report of success—and every minor frustration—since both show where true value lives. That value doesn’t grow out of marketing talk. It comes out of disciplined, on-the-ground action, tested in both our facilities and those of our clients.

    The Future: Progress Through Shared Experience

    Expanding use of 1,3-dimethylcyclopentane depends on solving each new hurdle that comes with changing application fields and evolving regulations. Research moves faster than product catalogs, and often the need arises before established practice. As customers pivot toward lower-impact processes and advanced functional molecules, subtle distinctions among cyclopentane derivatives matter more.

    We dedicate more resources to pilot-scale collaborations, supporting sampling, custom batch work, and developing documentation on byproducts. Tracking how shifts in storage, transportation, and application conditions affect purity helped us forecast challenges for users before they became roadblocks. Thorough analytical support—rapid turnaround on GC-FID and NMR confirmation, batch-by-batch COA review, in-plant technical visits—isn’t window dressing. It has solved tangles ranging from solubility mismatch in advanced battery electrolyte tests to process upsets in alkylation chemistry.

    Manufacturing isn’t a static practice or a simple relay of drums down a chain. Real progress occurs not in repeating what once worked, but in examining each outcome, admitting error openly, and moving forward quickly. Every improvement in our 1,3-dimethylcyclopentane product—whether by tighter analytical thresholds, shipment upgrades, or handling protocols—stems from steady engagement inside and outside the plant. Those are lessons not gleaned from paperwork or trade magazines but forged in daily practice, alongside the colleagues and customers shaping the chemistry of tomorrow.