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2,2-Dimethylpentane

    • Product Name 2,2-Dimethylpentane
    • Alias Isooctane
    • Einecs 205-575-3
    • 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

    143420

    name 2,2-Dimethylpentane
    molecular_formula C7H16
    molar_mass 100.20 g/mol
    CAS_number 590-35-2
    appearance Colorless liquid
    density 0.703 g/cm³ (20 °C)
    boiling_point 79.2 °C
    melting_point -117.6 °C
    flash_point -11 °C
    solubility_in_water Insoluble
    refractive_index 1.387 (20 °C)

    As an accredited 2,2-Dimethylpentane 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 with a tight-sealing cap, labeled "2,2-Dimethylpentane, CAS 590-35-2, 99% purity."
    Shipping 2,2-Dimethylpentane is shipped in tightly sealed containers made of metal or chemical-resistant materials to prevent leaks or contamination. It is transported according to flammable liquid regulations, with clear hazard labeling. Containers should be kept away from heat sources and handled in well-ventilated areas to ensure safety during transit.
    Storage 2,2-Dimethylpentane should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from sources of ignition, heat, and direct sunlight. Keep it away from oxidizing agents and acids. Ensure proper labeling and use explosion-proof electrical equipment. Storage areas should comply with guidelines for flammable liquids to prevent fire and health hazards.
    Application of 2,2-Dimethylpentane

    Applications of 2,2-Dimethylpentane in Industrial Manufacturing

    2,2-Dimethylpentane serves as a valuable aliphatic hydrocarbon in several chemical manufacturing sectors. Owing to its chemical stability, controlled volatility, and distinct boiling point, this raw material plays a critical role in multiple downstream industries, particularly in formulating calibration standards, fuel additives, solvents, and specialty chemical syntheses. Below, we detail key application scenarios with process insights, required compliance, and target end products.

    1. Analytical Chemistry: Reference Standards for GC Calibration

    Many QC laboratories within petrochemical refineries and analytical services companies use 2,2-dimethylpentane as a certified component in gasoline-range hydrocarbon calibration, critical for gas chromatography (GC) methods. Its well-defined retention time and peak resolution make it integral for multi-point calibration curves in hydrocarbon analysis, supporting traceability in refinery batch validation and environmental testing.

    Industry compliance standards

    • ASTM D5134 (Detailed Hydrocarbon Analysis)
    • ISO 22854 (Oxygenates and Hydrocarbon Types in Motor Gasoline)
    • U.S. EPA Method 8260 for VOCs
    • ISO 17034:2016 (General Requirements for Reference Material Producers)

    Typical usage ratio

    • Calibration solutions: 2–10% v/v with mixed n-alkane/isoparaffin blends; ratio adjusted to target GC detection range and instrument response factor for C7 isoalkanes.

    Downstream process integration

    • Dosed into solvent blends for analytical standard preparations; sealed in ampoules or pre-weighed vials under inert gas; incorporated directly before GC equipment qualification or performance check.

    Final product types

    • Certified reference standards (CRMs)
    • Ready-to-use calibration solutions for laboratory QA/QC
    • Hydrocarbon test kits
    • Instrument performance verification packs

    2. Fuel Blending: Isoparaffinic Component in Test Fuels

    2,2-Dimethylpentane sees essential use as an isoparaffinic blending component for reference gasoline formulations, especially for octane rating measurements in the automotive fuel industry. Laboratories and engine test stations blend it to create test fuels with controlled volatility and knock characteristics, enabling accurate determination of RON/MON ratings and support for emissions compliance verification.

    Industry compliance standards

    • ASTM D2699 (Research Octane Number)
    • ASTM D2700 (Motor Octane Number)
    • ISO 5164/5163 (Knock Characteristics of Motor Fuels)
    • U.S. EPA Mobile Source Emission Standards

    Typical usage ratio

    • 5–20% by volume in laboratory fuel blends; precise percentage designed based on required isoparaffinic/cycloparaffinic balance and octane target for standardization protocols.

    Downstream process integration

    • Batched with other alkanes and aromatics in controlled mixing tanks; subjected to rigorous QC for vapour pressure, volatility, and composition before engine test-cell usage or regulatory fuel supply.

    Final product types

    • Octane reference fuels
    • Test gasoline for engine lab certification
    • QC analytical benchmarks for refinery blending
    • Emission assessment fuel standards

    3. Fine Chemicals: Intermediate for Special Alkane Synthesis

    Chemical manufacturers leverage 2,2-dimethylpentane as a controlled alkane precursor for synthesizing higher isoparaffin derivatives. Its unique methyl branching offers a starting structure for tailored hydrocarbon products, including alkylating agents and intermediates for specialty plasticizers or specific lubricant formulations in the fine chemicals industry. Downstream chemical engineers often rely on its purity and predictable reactivity for batch or continuous alkylation, isomerization, or halogenation reactions.

    Industry compliance standards

    • REACH Registration (EU)
    • 21 CFR Part 210/211 (U.S. cGMP for chemical intermediates)
    • IUPAC nomenclature protocols (purity and traceability)
    • ISO 9001:2015 (Quality Management in Chemical Processing)

    Typical usage ratio

    • Varies from 10–70% in hydrocarbon feedstocks; selectivity dictated by downstream process route, desired molecular weight distribution, and reactivity requirements.

    Downstream process integration

    • Feeds directly into alkylation or halogenation reactors; introduction occurs at controlled temperatures and pressures to achieve specific isoparaffin chain lengths and minimize by-product formation.

    Final product types

    • Custom alkyl intermediates for agrochemical synthesis
    • Isoparaffins for specialty lubricants
    • Modifier agents in high-performance plastics
    • Specialty plasticizer components

    4. Solvent Applications: Carrier for Hydrophobic Reactions

    Many specialty chemical producers and contract manufacturing organizations adopt 2,2-dimethylpentane as a high-purity nonpolar solvent for organic synthesis, crystallization, and extraction processes. Its low polarity and defined evaporation rate enable decoordination and purification in applications involving hydrophobic organic moieties, such as synthesis of certain agrochemical or pharmaceutical intermediates, where solvent compatibility and inertness are mandatory.

    Industry compliance standards

    • USP General Chapter <467> (Residual Solvents, when used in APIs and excipients)
    • 21 CFR 173.300 (Solvent extraction for food contact substances)
    • ISO 15378 (Primary packaging materials for pharmaceuticals, relevant when solvent residues occur)
    • GMP for Active Substance Production (ICH Q7)

    Typical usage ratio

    • 10–40% v/v in reaction medium; actual amount determined by the molecule’s solubility parameter and extraction yield optimization.

    Downstream process integration

    • Direct addition during synthesis stage or extractive workup; solvent removal and recovery performed via distillation post-reaction; composition monitored to comply with residue limits.

    Final product types

    • Pharmaceutical and agrochemical intermediates
    • Purified hydrophobic extracts
    • Specialty chemical isolates
    • Reaction-derived crystalline materials
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    Certification & Compliance
    More Introduction

    2,2-Dimethylpentane: Precision in Isomer Production

    After years in the field, you start to value each isomer for its real-world advantages. Among the branched alkanes, 2,2-dimethylpentane shines for its clean boiling behavior, low solubility in water, and reliable performance as both a standard substance and a research feedstock. We manufacture 2,2-dimethylpentane with consistency in mind. Our production line runs under strictly monitored synthesis pathways to achieve the narrow carbon number distribution required in advanced lab and industrial work.

    Consistent Quality Direct from the Manufacturer

    Reliable end-users look for chemical purity and traceability. Everyday, we sample, test, and log every batch before packaging, using in-house gas chromatography to ensure that our 2,2-dimethylpentane meets the expected standard for purity, with minimal byproduct content. This constant oversight isn’t a marketing promise — it’s part of our daily operating routine. We know impurity profiles can create downstream headaches, so we keep them out of the product from the start.

    The Properties that Matter

    Working with hydrocarbons long enough, you see how branching affects volatility and boiling point. 2,2-dimethylpentane’s molecular weight and configuration contribute to a specific boiling point near 80°C, meaning it evaporates quickly and leaves minimal residue. Its molecular formula, C7H16, shares the same composition with its isomers, but the branched structure brings real advantages when compared with linear or less-branched forms. Batch after batch, our product arrives as a transparent, colorless liquid, free from moisture or polymer residue — not by chance, but by continuous manufacturing controls.

    Laboratory, Analysis, and Beyond

    We supply research chemists and analytical laboratories where the difference between one isomer and another can send data sets in opposite directions. 2,2-dimethylpentane serves as a standard to calibrate GC columns for branched alkane separation, essential in petroleum analysis where subtle differences can affect the interpretation of fuel characteristics. Product control, from us, turns into trustworthy calibration for our clients, and that in turn strengthens publications, regulatory filings, and quality control programs down the line.

    Working with Industry

    Refineries and research labs come to us asking for an alkane with a certain flash point, low water solubility, and well-understood chromatographic behavior. Our 2,2-dimethylpentane matches these needs. Unlike some alternatives, 2,2-dimethylpentane does not easily form azeotropes in common blending applications, which means process engineers can rely on repeatable separation and blending outcomes. The molecule’s compact arrangement reduces the tendency for unwanted side reactions in high-temperature environments, which makes it suitable as a reference standard where stability is paramount.

    How 2,2-Dimethylpentane Compares to Other C7 Isomers

    Experience teaches you that not all C7 alkanes serve the same purpose. Compared with n-heptane, which lines up as a straight chain, 2,2-dimethylpentane is less volatile and less likely to participate in unwanted polymerizations at moderate temperatures. Its symmetrical structure keeps its chemical reactivity in check, which often eliminates side product formation seen with less highly branched isomers like 2-methylhexane or 3-methylhexane. Customers who have switched over from n-heptane or blends of C7 isomers often contact us to confirm the difference: lower levels of background signal, less interference in analytical work, and less cleanup in purification procedures.

    Actual Production Experience

    Crucial details become clear over years of hands-on production. Water control remains paramount — even a trace can create haze or separate phase layers, especially as temperatures drop in storage tanks. By dehydrating our stock tanks and operating finished product lines under dry nitrogen, we avoid these pitfalls. Our operators know to keep oxygen and peroxides away during bottling, since even tiny traces risk slow oxidation during longer-term storage. Our reactors are charged with high-purity starting alkanes, and heating cycles are managed automatically but supervised continuously. Every batch is signed off once GC, water content, and appearance match our internal specs, not a generic “purity” number from an outside lab.

    Safety and Storage

    Hydrocarbons carry expectations for safe storage, especially when shipped in bulk containers or laboratory bottles. Our team handles loading, degassing lines, and sealing tanks with proper PPE and monitoring. We don’t cut corners — every drum, every bottle, is purged and sealed to avoid contamination and unnecessary risks. 2,2-dimethylpentane carries the usual flash hazard warnings, but training and routine help minimize real-world incidents. Our facility invests in continuous air monitoring and vapor recovery lines, not because of compliance pressure, but because we’ve seen small leaks create big problems elsewhere. Down the shipping line, our containers are checked for integrity and venting before leaving the plant.

    On Supporting Analytical Science

    Petrochemical laboratories contact us for reliable GC and NMR standards because branched alkanes tell their own story on a chromatogram. 2,2-dimethylpentane shows predictable elution, with sharp peaks and minimal tailing, so scientists can trust their calibration curves. We keep detailed batch records, so a repeat order months later delivers the same analytical baseline. Publishing reproducible work isn’t just about the instrument settings or the analyst’s skill; it starts with reference chemicals produced under consistent factory care.

    The Benefits for Synthesis Work

    Chemists carrying out alkylation, oxidation, or dehydrogenation reactions often ask for 2,2-dimethylpentane because its resistance to side reactions keeps yields higher and impurities lower. Branching at both the 2-positions means less susceptibility to chain shortening under harsh conditions. Synthetic applications benefit when starting materials do not fragment or rearrange unexpectedly, and this molecule holds up under catalytic and thermal stress better than its less-branched counterparts. Even in ongoing pilot studies, feedback comes in about less tar formation and easier purification steps compared to other C7 alkanes. These savings matter in both scale-up and continuous processes.

    Building Trust: Traceability and Transparency

    Nothing replaces direct communication about trace components, batch history, and supply chain security. Our clients receive a full set of batch logs, including GC traces, water content documentation, and shipping conditions. By closing the information loop, we reduce misunderstandings and streamline approvals, especially in regulated markets or third-party audits. Hosting site visits for customers is part of our tradition — not for show, but to support real confidence in product quality and team experience.

    Continuous Improvement — Not Just a Slogan

    Our staff conducts routine reviews of reactor fouling, solvent system performance, and packaging outcomes, documenting every deviation and its correction. Small process tweaks, such as polishing filtration or real-time moisture monitoring, can shave downtime or improve finished batch clarity. We train new staff on the nuances of alkane handling, knowing that discipline in the details builds both product consistency and employee satisfaction. Our operations manager walks the floor every day, noting small changes to keep systems reliable. We do not wait for customer complaints or regulatory notes to force upgrades — instead, we invest proactively, drawing on years of experience and supplier feedback.

    Smart Bulk Packaging and Delivery Logistics

    Bulk customers rely on drums, IBC totes, and tanker deliveries, while universities and small labs often prefer smaller glass or fluoropolymer bottles. We learned early to use inert liners for larger containers and always recommend them for long shipping routes or high-humidity destinations. Our distribution partners coordinate direct loading from on-site storage tanks; this reduces transfer exposure, so the product reaches the customer with the lowest possible contamination risk. Every route comes with tracking, and our logistics team follows up post-delivery for storage advice and customer input on handling practices.

    Supporting Sustainability and Resource Recovery

    2,2-dimethylpentane production draws from fossil hydrocarbon streams, but we invest in hydrocarbon recycling and solvent recovery on site. Distillation side-streams are purified and reused internally where possible, minimizing waste output and reducing landfill or offsite incineration. Tech teams continually analyze utility usage and emissions, setting achievable targets for vapor recovery and reduced flaring. These steps help us balance operational viability and environmental stewardship — and customers appreciate transparency about environmental performance.

    Customization Is an Ongoing Dialogue

    Standard purity grades serve the bulk of demand, but specialty customers approach us for higher or tailored specs: tighter impurity thresholds, reduced sulfur contamination, or packaging in solvent-rinsed vessels. Our technical support works directly with procurement and operations personnel to identify adjustments. These collaborations inform our R&D; customer needs drive practical changes to distillation protocols and purification steps, so final batches better fit uncommon requests without disruption to main production lines.

    The Human Factor in Reliable Delivery

    Successful chemical manufacturing comes down to people handling details with care and pride. From technicians running synthesis and analysis, to loaders prepping containers for shipment, every team member plays a visible role in quality assurance. Operations meetings focus not just on throughput, but on error prevention, corrective actions, and sharing improvement ideas. Our long-serving staff bring insights to equipment adjustments, safety enhancements, and cost management. Their dedication shows in every delivery that matches promise with reality.

    Future Outlook: Responding to New Challenges

    We keep an eye on emerging research and regulatory developments around hydrocarbon solvents. As environmental and safety rules evolve, our lab and production managers work together to phase out obsolete practices and invest in greener alternatives. New analytical methods often demand improved reference standards, and we respond by enhancing traceability metrics or purity data delivered with each batch. Through regular upgrades and skill-building, we plan to keep support strong for both long-term and first-time customers dealing with ever-higher expectations around transparency and safety.

    A Better Alkane for Exacting Applications

    From our first batches to current output, 2,2-dimethylpentane presents clear value as a high-purity, highly branched alkane for analytical, industrial, and R&D use. Its consistent behavior, backed by on-site testing and production control, brings peace of mind for users performing calibration, synthesis, or process optimization. Open dialogue and honest information sharing support customer trust. We invite feedback and site visits, confident that our collective experience and routine improvements make a measurable difference for those who depend on quality hydrocarbon products from a committed manufacturing partner.