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Perfluoro-N-Heptyl Iodide

    • Product Name Perfluoro-N-Heptyl Iodide
    • Alias 1H,1H,2H,2H-Perfluoro-1-iodoheptane
    • Einecs 700-207-6
    • 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

    281966

    Product Name Perfluoro-N-Heptyl Iodide
    Cas Number 355-42-0
    Molecular Formula C7F15I
    Molecular Weight 482.958 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 123-124°C
    Density 2.1 g/cm³ at 25°C
    Refractive Index 1.305 at 20°C
    Purity Typically ≥97%
    Solubility Insoluble in water
    Vapor Pressure 15 mmHg at 20°C

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

    Packing & Storage
    Packing Amber glass bottle containing 25 grams of Perfluoro-N-Heptyl Iodide, sealed with a PTFE-lined cap, labeled with safety information.
    Shipping Perfluoro-N-Heptyl Iodide is shipped in tightly sealed, chemical-resistant containers, protected from light and moisture. It is handled as a hazardous material, following all relevant transport regulations. Appropriate hazard labeling and documentation are mandatory. The package must be secured to prevent leaks, spills, or exposure during transit.
    Storage Perfluoro-N-Heptyl Iodide should be stored in a tightly sealed container, protected from light, heat, and moisture. Keep it in a cool, dry, and well-ventilated area, away from incompatible substances such as strong bases, reducing agents, and oxidizers. Store under an inert atmosphere, such as nitrogen or argon, to prevent decomposition. Properly label the container and follow all relevant safety regulations.
    Application of Perfluoro-N-Heptyl Iodide

    Applications of Perfluoro-N-Heptyl Iodide in Industrial Manufacturing

    As a direct chemical manufacturer, we supply Perfluoro-N-Heptyl Iodide (PFHeI) for specialized sectors utilizing fluorinated intermediates and surface-modification chemistries. Our technical team works closely with B2B clients to address real-world integration, regulatory, and process demands. The following sections outline key industrial applications based on established downstream markets with documented technical requirements.

    1. Fluorinated Surfactants Synthesis for Electronics Processing

    PFHeI functions as a key alkylating intermediate for the production of perfluoroalkyl-containing surfactants used in semiconductor wet etching and wafer cleaning fluids. Downstream formulators require highly pure, chain-specific raw materials to ensure precise etch rates and reduced contamination risk. Processing facilities utilize strict in-process quality controls to maintain consistent functional group integrity through iodination and subsequent substitution reactions. Finished surfactants must meet critical surface tension and purity specifications for ultrapure electronic applications.

    Industry compliance standards

    • SEMI C93: Specification for High-Purity Wet Chemicals Used in Semiconductor Manufacturing
    • IPC-CH-65: Guidelines for Cleaning of Printed Boards and Assemblies
    • ISO 9001:2015 Quality Management Systems

    Typical usage ratio

    • Raw PFHeI input typically 8–15% by mass in surfactant intermediate synthesis
    • Up to 20% for high-dilution or low molecular weight surfactant grades
    • Adjusted according to required hydrophobic chain length and target purity

    Downstream process integration

    • PFHeI introduced at alkyl iodide formation stage via perfluorination procedures
    • Directly fed into nucleophilic substitution or telomerization steps
    • Real-time monitoring of reaction completion and residual iodine content

    Final product types

    • High-purity wafer cleaning agents
    • Etching bath surfactants for silicon or compound semiconductors
    • Lithography process rinsing aids

    2. Fluorinated Building Blocks for Agrochemical Synthesis

    Agrochemical companies use PFHeI as an essential chain-transfer agent for synthesizing perfluoroalkyl-substituted active ingredients, specifically for herbicides and fungicidal product lines demanding controlled environmental behavior and improved biological uptake. The material permits targeted introduction of C7 perfluoroalkyl moieties into precursor molecules, resulting in crop protection chemicals with enhanced surface spread and rainfastness. All stages require documentation for traceability due to regulatory scrutiny of PFAS intermediates in agricultural supply chains.

    Industry compliance standards

    • EU REACH Regulation (EC) No 1907/2006: Registration and authorization of chemical intermediates
    • US EPA TSCA (40 CFR Part 707): Toxic Substances Control Act reporting for new fluorinated substances
    • ISO 14001:2015 Environmental Management System

    Typical usage ratio

    • 1–5% by mass input in synthesis of reaction intermediates
    • Adjusted based on final molecule structure and yield

    Downstream process integration

    • PFHeI charged in controlled batch reaction vessels under inert atmosphere
    • Direct halogen exchange, followed by coupling with aromatic/heterocyclic rings
    • Complete consumption and absence of free iodide verified before formulation

    Final product types

    • Perfluoroalkylated herbicidal actives
    • Specialty fungicides with rainfast enhancements
    • Seed coating adjuvants for improved soil adhesion

    3. Oil-Repellent Textile Finishes and Technical Coatings

    PFHeI is utilized as a specialty intermediate for synthesizing C7-based fluorinated polymers and co-monomers applied to textiles and industrial fabrics requiring oil- and stain-repellent properties. Downstream coatings producers employ the material for surface-functional group grafting to construct durable repellency layers compatible with multiple substrates. Compliance tracking and residue testing play significant roles due to evolving global standards on fluorinated surface treatments, especially for polymers with shorter C-chains.

    Industry compliance standards

    • ZDHY-2023: Chinese Industrial Standards for Oil/Water Repellent Finishes
    • OEKO-TEX® Standard 100: Restricted Substances List
    • ZDHC Manufacturing Restricted Substances List (MRSL)

    Typical usage ratio

    • 5–12% by weight in monomer or polymer formulation for water/oil repellency
    • Optimized according to target repellency and regulatory limits for residuals

    Downstream process integration

    • PFHeI introduced in emulsion or solution co-polymerization stage
    • Grafting onto acrylic, urethane, or polyether backbones
    • Subsequent curing or finishing processes tailored for substrate type

    Final product types

    • Outdoor performance textiles (jackets, tents, workwear)
    • Upholstery and automotive technical fabrics
    • Industrial filtration media with oil-repellent properties

    4. Fluorous Phase Transfer Catalysts in Specialty Organic Synthesis

    Downstream pharmaceutical and specialty chemical manufacturers apply PFHeI as a structural precursor for constructing tailored perfluoroalkyl onium salts and fluorinated phase transfer catalysts. These compounds provide unique advantages in biphasic or fluorous-organic synthesis, including catalyst separation and increased turnover rates. Batch and continuous synthetic lines employ precise charge protocols and irreplaceable analytical verification of halide exchange efficiency, with stringent documentation of process residues and product separation for regulated markets.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • US FDA 21 CFR Part 211: cGMP for Finished Pharmaceuticals
    • USP General Chapter <232>: Elemental Impurities

    Typical usage ratio

    • Raw PFHeI input commonly ranges from 2–8% by mole in fluorous catalyst construction steps
    • Adjusted based on ligand complexity and required catalyst loading

    Downstream process integration

    • Introduced at early-step onium alkylation or perfluoroalkyl chain extension
    • Fluorous catalyst isolated post-phase separation for repeated use cycles
    • Process monitored for free iodine levels and catalyst recovery rates

    Final product types

    • Fluorous phase transfer catalysts for heterocycle synthesis
    • Separation aids for chiral pharmaceuticals
    • Recyclable onium salt intermediates

    5. Specialty Component in High-Performance Greases and Lubricants

    Manufacturers of aerospace, micro-mechanical, and cryogenic greases employ PFHeI as a selective functionalizing agent during the synthesis of perfluoropolyether (PFPE) derivatives. Use at defined steps ensures temperature stability, molecular-weight control, and chemical compatibility essential for lubricants operating under extreme temperature or vacuum. End-users in aerospace and defense sectors mandate full batch traceability, finished product screening, and detailed technical documentation to meet nonflammability and critical volatility requirements.

    Industry compliance standards

    • AMS 1478: Aerospace Material Specification for Lubricants (Synthetic, Nonflammable)
    • Mil-PRF-27617: US Military Specification for Space-Grade Greases
    • RoHS Directive 2011/65/EU: Restrictions on Hazardous Substances

    Typical usage ratio

    • PFHeI input at 3–10% by mass as a chain-regulating or end-group modifying agent
    • Depends on base fluid molecular weight and volatility targets

    Downstream process integration

    • Dosed at chain-termination or fluorination step of PFPE grease polymerization
    • Incorporation monitored by fluorine NMR and iodine titration techniques
    • Subsequent removal of excess to meet trace-level impurity requirements

    Final product types

    • Cryogenic lubricants for aerospace and laboratory equipment
    • Nonflammable, chemically inert greases for vacuum pumps
    • Micro-electromechanical (MEMS) device lubricants
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    Certification & Compliance
    More Introduction

    Perfluoro-N-Heptyl Iodide: Insights from the Chemist’s Bench

    Understanding Perfluoro-N-Heptyl Iodide

    In the specialty chemicals sector, few compounds display the distinctive features of Perfluoro-N-Heptyl Iodide. As manufacturers, we recognize this material as a backbone for crafting advanced fluorinated compounds. With a structure denoted as C7F15I, it stands out thanks to its fully fluorinated carbon chain capped with an iodine atom. Chemists gravitate toward it for its consistent purity and unique reactivity, supporting research and industrial development in both established and emerging fields.

    Packing Value in Every Molecule

    Perfluoro-N-Heptyl Iodide forms the basis of many high-value applications in life sciences, specialty polymers, and surface science. Control over reactivity along the carbon chain, coupled with the predictable behavior of its terminal iodine, makes it especially attractive for building blocks in synthesis. Our teams have seen customers use this compound to introduce perfluoroheptyl chains into pharmaceuticals, liquid crystals, and fluorinated surfactants, areas where environmental resilience and chemical stability cannot be compromised.

    In laboratories and manufacturing floors alike, users find the sharp boiling point and negligible residue after evaporation make Perfluoro-N-Heptyl Iodide suitable for both small- and large-scale syntheses. Its liquid state at room temperature adds to its convenience, removing hurdles sometimes encountered with higher melting fluorinated iodides. When handling, the pronounced weight of the iodine contributes to easy monitoring during downstream reactions, a key factor for synthetic chemists aiming for precision.

    A Closer Look at Its Chemistry

    Based on years of experience synthesizing and working with perfluoroalkyl iodides, we have found that the extended C7F15 chain grants this molecule two major advantages. One, it introduces dramatic lipophobicity and enhances repellency in target applications. Two, the electron-withdrawing fluorines tune the reactivity of the iodine, making nucleophilic substitutions and radical initiations more predictable. Chemists cite this reliability as a reason for returning to this reagent year after year, whether refining advanced medical imaging agents or improving next-generation weather-resistant coatings.

    Comparing Perfluoro-N-Heptyl Iodide to related compounds, clear distinctions emerge. Shorter-chain perfluoroalkyl iodides, such as perfluoro-n-butyl iodide, offer greater volatility, suiting them for situations demanding rapid evaporation. Yet, these can underperform where long-lasting hydrophobic protection or steric bulk is needed. On the other hand, C8 and longer analogs begin to introduce handling complexity and higher costs, not offering clear synthetic or functional benefits over the C7 product in many scenarios. The C7 structure hits a sweet spot—balancing physical manageability, application versatility, and cost-control.

    Cleaner Chemistry, Fewer Surprises

    Many laboratories still talk about the headaches caused by decomposition and hydrolysis with lesser iodide reagents. Years ago, inconsistent batches slowed progress and frustrated both researchers and production planners. That has changed with Perfluoro-N-Heptyl Iodide, given modern processes that closely monitor impurity profiles and eliminate common contaminants. Our teams deploy real-time analytics along each production step, confirming that each batch meets tight standards for iodide purity, residual non-volatile matter, and water content. Users report greater peace of mind knowing performance remains consistent from drum to drum.

    From Synthesis to Application: Real-World Examples

    Fluorination brings benefits in physics, chemistry, and engineering. In surface treatment, formulators reach for Perfluoro-N-Heptyl Iodide when they need stain repellency or moisture barriers that withstand harsh cleaning cycles, UV exposure, or corrosive chemistry. These coatings show less degradation and keep their nonstick features even in punishing environments like medical device sterilization or exterior architectural surfaces.

    Topical drug developers turn to the compound’s biocompatibility profile—fluorinated chains tend to resist breakdown in biological systems, extending circulation times and protecting active pharmaceutical ingredients. In agricultural chemistry, the high fluorine loading blocks enzymatic attack, making for more weatherable crop protection ingredients. Mechanical manufacturers even draw on perfluoroalkyl iodides to engineer lubricants that survive in vacuums or under intense friction without decomposition, thanks to the inert nature of the carbon-fluorine backbone.

    Environmental and Regulatory Responsibility

    Public discussions about perfluoroalkyl substances rarely stray far from the topic of environmental impact. Perfluoro-N-Heptyl Iodide occupies a distinctive position. Our procedures prioritize containment and recovery of byproducts, limiting environmental dispersal through a combination of advanced scrubbing, solvent recycling, and strict waste management. We continually evaluate life-cycle hazards in line with evolving regulatory expectations to help customers use these materials while addressing health and safety.

    Raw material sourcing for our production draws scrutiny as well. Each partner must abide by our code—traceability, safe handling, and compliance with chemical safety norms underpin everything we do. Through this vigilance, we help maintain supply chains that support not only responsible use, but also sustainable innovation.

    Supply Security and Reliable Access

    Technical clients expect predictability in both product and partnership. For years, intermittent availability of specialized iodides has disrupted development programs. Our vertically integrated processes and dedicated manufacturing lines ensure that Perfluoro-N-Heptyl Iodide remains available as needed, in the volumes and packaging that fit both research scale and full industrial rollout. This readiness means product designers and scientists can move their work forward, confident that the foundational chemistry stands on firm ground.

    Experience teaches that quality control does not end with a final inspection. Ongoing monitoring of trends in batch performance, transport stability, and customer feedback gives deeper insight, allowing adjustments before small deviations become significant setbacks. Those who invest in pioneering research depend on uninterrupted progress, and our commitment to production consistency reflects this shared value.

    Pushing Boundaries with Perfluoro-N-Heptyl Iodide

    Generations of chemists have relied on this compound to bring new molecular ideas to life. Nobody gets there alone—results depend on open technical dialogue and a manufacturer who listens and brings solutions, not just raw materials. As research pushes further into areas like renewable electronics, self-assembled molecular systems, and innovative catalysts, Perfluoro-N-Heptyl Iodide supports these advances by acting as a reliable source of perfluoroalkylation in both tried-and-true and unexpected ways. Our collaborations with research groups have revealed new fields of application, including functional monomers for advanced polymers, stimuli-responsive coatings, and even next-generation data storage materials.

    Where precise, strong hydrophobic effects shape product design, the molecule provides the backbone for chemical modification. The reproducibility and longevity of such fluorinated motifs drive improvements in cleaning-resistant textiles, oil-repellent sealing composites, and long-term encapsulation for electronics exposed to moisture. Every one of these use cases only works as long as the building block’s purity, batch consistency, and documentation stay impeccable—a standard we set for ourselves daily at every stage.

    Handling Challenges—From Bottle to Bench

    Hands-on experience shows that working with highly fluorinated compounds requires a certain care. The density, volatility, and strong odor of Perfluoro-N-Heptyl Iodide call for tight procedures and experienced handling. Well-ventilated workspaces, compatible container materials, and protective gear keep users and bystanders safe. Training our technical staff and visiting project partners keeps everyone informed about current best practices; we share key learnings gained from decades of scale-up and research support.

    Storage conditions influence shelf life and reactivity profiles, as ambient moisture or direct sunlight could slowly degrade open bottles. Moisture scrubbing, inert gas blanketing, and continuous temperature monitoring have helped customers avoid expensive waste or unintended product changes. On request, our technical advisors consult directly with users, equipping them to meet both regulatory documentation and practical bench challenges, supporting safer and more effective workflows.

    Getting the Most from Sourcing Decisions

    Supply chains matter—especially for critical building blocks that anchor innovation or compliance claims. Customers have described how jolts in availability or surprise impurities sent projects back weeks or forced costly reformulations. Progressive chemical producers continually reassess both internal quality protocols and key external inputs to anticipate shifts. Longstanding relationships with key fluorine producers, suppliers of elemental iodine, and logistics partners guard against disruption.

    Chemists and engineers need more than certificates; they rely upon proof: transparent batch histories, third-party analyses, and unrestricted technical engagement. Our open-door policy for customer audits and product trials sprouts from this expectation. Supporting documentation travels with every shipment—detailed, multi-tier lot histories, full impurity profiles, and up-to-date SDS files, translated for global operations, eliminate guesswork on both the benchtop and in compliance audits.

    Differentiation from Other Fluorinated Iodides

    Spend any time in the world of fluorochemicals and one learns quickly that not all perfluoroalkyl iodides serve the same ends. While shorter chains like perfluoro-n-propyl iodide offer higher vapor pressure and faster mass transfer, the range of advanced applications that demand a robust, flexible, and surface-active perfluoroalkyl source grows with every additional CF2 group. Perfluoro-N-Heptyl Iodide brings strong surface activity and hydrophobic extension without drifting into the process drag or excessive thermal stability that occasionally challenge those working with C8 or higher analogs. The result: a Goldilocks fit for those seeking performance alongside processability.

    Its balance of volatility (manageable vapor emissions, less material loss in transfer), chemical reactivity (iodine substitution reactions prove efficient with nucleophiles, radicals, or metals), and physical handling (liquid at standard conditions) give it a leg up over both lighter and heavier analogs. In fluorosurfactant synthesis, C7F15I plays a key role in tuning chain length-dependent properties in end products from emulsifiers to specialty fluids and performance coatings. In the right hands, it offers a springboard to non-stick, anti-fouling, and fouling-resistant functions, something not easily achieved with other structural options.

    Trends Shaping Future Development

    The footprint of regulatory change and public concern over long-chain PFAS continues to mold priorities in our field. Shorter perfluoroalkyl chains aim to preserve function while addressing persistence and toxicity. Our R&D department studies alternatives and tailors production toward shorter, more degradable structures without giving up critical product performance. Meanwhile, we explore energy-efficient fluorination methods and pathways to recover and recycle high-value fluorine content—redirecting focus from one-time use to circular chemistry.

    We see opportunity where some see obstacles. Durable water repellency or chemical resistance once possible only with legacy long-chain products can now be achieved with Perfluoro-N-Heptyl Iodide, benefiting from its chain-length sweet spot. By proactive engagement in consortia and sustained transparency with stakeholders, our teams help keep science moving forward, both in discovery and in responsible industry stewardship.

    Every Batch, Every Customer, Every Time

    Professionals counting on Perfluoro-N-Heptyl Iodide deserve confidence that each bottle or drum matches the last—not just in purity, but in support, availability, and documentation. We built our processes for uninterrupted supply, clear technical communication, and uncompromised safety. Whether a small research team spinning up a new diagnostic reagent, or a global manufacturer rolling out updated weatherproofing, our job is to ensure each shipment fuels discovery and growth.

    Choices about specialty chemicals color outcomes for years. By drawing on a foundation of deep technical experience, collaborative learning, and forward-thinking production, our approach centers around the priorities that matter most—performance, reliability, safety, and openness. Perfluoro-N-Heptyl Iodide represents an evolving standard for how science, industry, and stewardship can progress together. The story continues at every bench where advanced fluorination sparks something new.