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4-Chloro-2-Fluoroiodobenzene

    • Product Name 4-Chloro-2-Fluoroiodobenzene
    • Alias 1-Chloro-3-fluoro-4-iodobenzene
    • Einecs 823-514-6
    • 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
    VTB
    Specifications

    HS Code

    957019

    Cas Number 57311-88-5
    Molecular Formula C6H3ClFIN
    Molecular Weight 255.44 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 94-96°C at 14 mmHg
    Density 1.890 g/cm3 at 25°C
    Purity Typically ≥98%
    Synonyms 1-Chloro-3-fluoro-4-iodobenzene
    Smiles C1=CC(=C(C=C1Cl)I)F
    Inchi InChI=1S/C6H3ClFI/c7-4-1-2-5(8)6(9)3-4/h1-3H
    Refractive Index 1.599 (estimated)
    Storage Conditions Store at 2-8°C, protect from light
    Solubility Insoluble in water; soluble in organic solvents
    Ec Number 609-686-8

    As an accredited 4-Chloro-2-Fluoroiodobenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle with a screw cap, labeled "4-Chloro-2-Fluoroiodobenzene, 25g, CAS: 261762-81-2," with hazard warnings.
    Shipping 4-Chloro-2-Fluoroiodobenzene should be shipped in tightly sealed containers, protected from light and moisture. It must comply with local, national, and international hazardous materials regulations, typically classified under UN 3082 (Environmentally hazardous substance, liquid, n.o.s.). Use secondary containment and proper labeling. Transport by trained personnel following safety and emergency procedures.
    Storage **4-Chloro-2-Fluoroiodobenzene** should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from light. Keep it away from incompatible substances such as strong oxidizers and bases. Store at room temperature and ensure the container is clearly labeled. Handle under a fume hood and use appropriate personal protective equipment to avoid exposure.
    Application of 4-Chloro-2-Fluoroiodobenzene

    Applications of 4-Chloro-2-Fluoroiodobenzene in Industrial Manufacturing

    As an established manufacturer of 4-Chloro-2-Fluoroiodobenzene, we focus exclusively on the material’s verified utility for advanced fine chemical synthesis across select downstream industries. Each segment below details authentic routes by which downstream processors integrate this specialty intermediate into value-added chemistries, under fully compliant operational frameworks as demanded by the end sector.

    1. Pharmaceutical Active Pharmaceutical Ingredient (API) Synthesis

    Process chemists use 4-Chloro-2-Fluoroiodobenzene as a halogenated building block in the manufacture of API precursors, especially where selective halogen exchange or Suzuki-Miyaura cross-coupling is essential to construct aryl-fluorinated substructures in targeted small-molecule drugs. The unique halide substitution pattern allows precise stepwise functionalization in the mid- to late-stage of synthesis, reducing purification complexity and overall process steps for complex molecules such as kinase inhibitors or CNS agents.

    Industry compliance standards

    • Good Manufacturing Practice (GMP, ICH Q7)
    • US FDA 21 CFR Part 210/211
    • EU EMA EudraLex Volume 4
    • Chinese Pharmacopoeia API registration (ChP 2020)

    Typical usage ratio

    • 1.05–1.25 molar equivalents per coupling step, adjusted based on the number of arylation iterations and downstream functional group transformations

    Downstream process integration

    • Charged directly into palladium-catalyzed aryl coupling reactors after substrate verification
    • Handled in cleanroom or containment as a raw intermediate, with inline purity analysis to prevent cross-contamination in API synthetic lines

    Final product types

    • Fluorinated API intermediates (e.g., selective serotonin reuptake inhibitors, kinase inhibitors)
    • Small molecule drugs with halogenated aromatic cores

    2. Agrochemical Active Ingredient Manufacturing

    Producers in the crop protection sector employ 4-Chloro-2-Fluoroiodobenzene to construct fluorochlorinated aromatic scaffolds used in novel herbicide and fungicide formulations. Its reactivity supports the introduction of halogenated aromatic rings required for high field-stability and bioactivity in agrochemical actives, especially in aromatic coupling steps that precede final formulation blending and micronization at the plant.

    Industry compliance standards

    • FAO/WHO Specifications (JMPS)
    • European Regulation (EC) No 1107/2009
    • China ICAMA registration for technical material
    • OECD GLP for analytical studies

    Typical usage ratio

    • 0.8–1.15 molar equivalents relative to target aromatic core per batch, some synthesis lines recycle excess through closed-loop purification

    Downstream process integration

    • Added at halogenation coupling, generally after solvent drying and seed addition
    • Blended in multi-stage reactors fitted with in-process gas scrubbing for gentle halide management

    Final product types

    • Active herbicide ingredients (e.g., substituted phenoxy compounds)
    • Triazole and phenylpyrimidine fungicide intermediates

    3. Electronic Chemical Synthesis for Liquid Crystal Materials

    Manufacturers of specialty liquid crystal compounds use this intermediate to introduce precisely located halogen and fluorine functions to aromatic rings incorporated into liquid crystal monomers. Controlled incorporation regulates dielectric anisotropy and temperature stability in finished display chemicals, especially for TFT-LCD panels, where the quality of aryl halide intermediates directly impacts the clarity and life span of consumer and industrial screens.

    Industry compliance standards

    • ISO 9001:2015 Quality Management System
    • RoHS 3 Directive (EU 2015/863) for hazardous substance restriction
    • IEC 61249-2-21 halogen-free standard (as required for finished product classes)
    • JIS C 0950 marking for electrical materials

    Typical usage ratio

    • 0.90–1.10 molar equivalents relative to targeted monomer backbone, tuned according to substitution pattern required by the panel specification grade

    Downstream process integration

    • Input into arylation and fluorination reactor trains post-initial substrate prep
    • Inline QC monitoring at halide coupling stage to prevent carryover of unreacted intermediates

    Final product types

    • Specialty liquid crystal monomer precursors
    • High-purity aryl compounds for LCD, OLED, and advanced flexible display manufacturing

    4. Fine Chemical Synthesis for Dye and Pigment Intermediates

    Producers in the dye industry utilize the halogen/fluorine-substituted benzene ring as a precursor for high-performance azo and anthraquinone dyes, as well as specialty pigments, where electronic and steric effects from halide groups shift absorption profiles. This intermediate enables tailored color properties for high-value applications including digital printing, optoelectronic filters, and automotive coatings.

    Industry compliance standards

    • REACH Registration (EU)
    • ISO 14001 Environmental Management for dye manufacture
    • EN 71-3 Toy Safety for pigments used in consumer goods
    • Textile Eco-label (OEKO-TEX® for textiles, as required by client specification)

    Typical usage ratio

    • 0.95–1.20 molar equivalents per dye chromophore formation; variance depends on final pigment load and batch process design

    Downstream process integration

    • Incorporated during early aryl halide assembly or at stage of direct coupling for diazotization reactions
    • Automatic dosing systems maintain accurate halide charge to reactor vessels for consistent pigment tone

    Final product types

    • Fluorinated organic pigments for automotive and industrial coatings
    • High-chroma dyes for textiles and digital print inks

    5. Custom Synthesis for Advanced Material Development

    Advanced materials specialists and research-driven companies leverage this compound’s dual halogen/fluorine functionalities in the synthesis of specialty monomers, molecular probes, and pre-polymers for research, coating, and nano-material projects. As scaffolding for custom aryl systems, it offers controlled entry points for further functionalization, enabling chemists to meet stringent physicochemical property targets in pilot-scale innovation settings.

    Industry compliance standards

    • ISO 17025 for testing and calibration laboratories
    • Project-specific internal GMP or GLP guidelines
    • Material safety data compliance (GHS/CLP – REACH)
    • Customer-driven qualification protocols (as specified in R&D contracts)

    Typical usage ratio

    • Stoichiometry tailored project-by-project, generally ranging from 0.5 to 1.5 molar equivalents depending on selected custom synthesis pathway and yield targets

    Downstream process integration

    • Charged as the initial aryl intermediate or as a key halogen donor in modular synthesis units
    • Where high purity required, final purification and structural verification by NMR/GC-MS precede transfer to downstream functionalization steps

    Final product types

    • Precursor compounds for advanced coatings, functional nanomaterials, and specialty polymers
    • Aryl probes and reference standards for analytical labs
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    Certification & Compliance
    More Introduction

    4-Chloro-2-Fluoroiodobenzene: A Perspective from the Production Floor

    Connecting Our Process to Quality Outcomes

    Every batch of 4-Chloro-2-Fluoroiodobenzene that leaves our reactors carries the work of years dedicated to refining aromatic halogenation. Our team manages each step, controlling the temperature swings that drive selective substitution. Chlorine and fluorine want to go in their own places on the benzene ring, but keeping iodine stable and where we need it takes the right solvents and careful handling. No one in this building treats the process like a black box; we sample, we test, and we talk about each lot because when something looks cloudy or reacts too fast, we know real chemistry is happening—not just a checklist march.

    Understanding the Substance, Not Just the Structure

    Studying the compound itself, you see 4-Chloro-2-Fluoroiodobenzene on paper: C6H3ClFIN. In practice, its character comes alive in the glassware. The pale crystalline appearance seems simple, but it's loaded with electronic tension. Chlorine and fluorine make the ring electron-deficient, pushing the molecule toward specific types of transformations later on. Iodine, the heavyweight, acts as a launchpad. In cross-coupling, it leaves smoothly, setting off the introduction of complex groups in pharmaceuticals or specialty materials. Our analytical crew uses chromatography to verify those halogen positions; no one here mistreats those details. Only when the NMR and GC-MS line up with our process sheets do we sign off for packaging.

    Why Our Approach Stands Out in the Crowd

    Not every manufacturer runs a continuous process for halogenated intermediates. We scaled up from kilogram to multi-ton levels, and doing that demanded persistent checks for heat release and separation efficiency. Our reactors withstand aggressive halides, pressure swings, and cleaning cycles between runs. We keep PTFE and glass-lined assets working because they take punishment without leaching. Over the years, we saw how minor tweaks—a different order of reagent addition, a longer hold on the base—yield cleaner cuts and tighter impurity profiles.

    We don't just chase a certificate that lists assay and melting point. Our folks believe that real-world performance for downstream users starts at raw material purity. If another producer offers a similar compound but with higher polyhalogenated byproducts, it shows up in the next step: more byproducts, more headaches in purification, sometimes new isomers. By keeping our own bottlenecks open to scrutiny, we help API and agrochemical companies avoid sudden process stalls or color impurities that sink a whole batch.

    Daily Handling, Stability, and Shelf Life Experience

    4-Chloro-2-Fluoroiodobenzene is moisture-sensitive, but it isn’t a landmine to store. Regular tight-head drums with nitrogen blanketing and dry rooms have kept our yields and color grades consistent even through humid summers. The molecule's solid form resists clumping as long as we avoid temperature swings. No one here remembers a caked drum when airflow standards are met. We’ve tailored our packing process to avoid excess headspace, letting the crystalline nature stay intact all the way to the customer’s storage area.

    Downstream Uses Informed by Our Partners’ Feedback

    We don’t make API’s or crop chemicals ourselves, but we’ve worked alongside innovators who rely on 4-Chloro-2-Fluoroiodobenzene to install key scaffolds. Arylation reactions benefit from iodine’s easy departure under mild palladium-catalyzed conditions. Fluorine brings metabolic stability, and chlorine swings bioactivity in desired directions. Over years, we saw how med chemists tune etherifications, cross-couplings, and aromatic substitutions off this core. It’s a favorite for creating fluorinated aromatics that resist breakdown in vivo, and even in material science labs, the compound anchors high-performance polymers with thermal and electronic fine-tuning.

    Process chemists gave us feedback about solubility during scale-up. Some expected sluggish dissolution in nonpolar solvents, but found our batches dissolved more quickly due to absence of microfine dust and consistent crystal habits. Our operators check for dusting and static buildup at every bagging station to maintain this quality. This routine focus on physical handling helps reactors downstream run smoothly—our partners tell us it means better dispersibility and fewer clogs.

    Safe Management and Environmental Considerations from a Manufacturer’s Viewpoint

    Handling large volumes of halogenated aromatics requires a strong culture of safety. Every operator in this line wears P2 masks and chemical-grade gloves. We've had procedures in place for years to handle spills: granular absorbents, non-sparking tools, pre-planned evacuation routes. We separate waste by halide content and run our own treatment facility, neutralizing residues so that contractors don't face surprise reactions or environmental incidents at disposal sites.

    Years ago, local regulations tightened on halogenated effluents. We responded by redesigning our scrubbers and investing in more efficient distillation cycles. Now, our emissions benchmarks exceed statutory requirements. Waste heat from exothermic steps is recovered for heating our plant, cutting both environmental impact and utility bills. Colleagues elsewhere have asked about our protocols, and we’re open about sharing data, because stricter regulation keeps the field competitive and safe for the long run.

    How 4-Chloro-2-Fluoroiodobenzene Differs from the Rest

    Similar compounds float around on the market. Not every halogenated benzene serves the same combinations of reactivity, or provides the same route for synthetic elaboration. For example, 2-Chloroiodofluorobenzene shifts the reactive site and changes regioselectivity in coupling steps. 4-Chloro-3-Fluoroiodobenzene brings new electronic effects, pushing the product mix in different directions during Suzuki or Sonogashira steps. Our molecule, with fluorine and chlorine at the 2 and 4 positions, creates a unique electronic environment—this selectivity is prized in making certain biologically active molecules or next-generation materials.

    Some clients once tried to substitute dichloroiodobenzenes for economy, only to find that fluorine’s subtle effects on lipophilicity and electron-withdrawing power can’t be duplicated. The costs of trouble-shooting mismatched reactivity often outweigh savings on the raw material. Our feedback loop with partners in R&D led us to tighten our controls further, with every batch checked for position-specific substitution and trace metals—avoiding catalyst poisons that derail biaryl couplings.

    Beyond substitution patterns, iodine is rarely as easy to manage as it looks. We built containment for storage, and each drum comes with real-time data loggers to track conditions en route. No one here discounts logistics: if moisture protection fails or thermal spikes hit in transit, the shipment will tell us before the seal breaks. It’s the daily vigilance that sets our product apart from unbranded suppliers who miss these details.

    Materials Science and Pharmaceuticals: Insights from Application

    Our experience supplying materials science labs points to different needs than pharmaceutical partners. Polymer groups ask about thermal stability at elevated process conditions. Feedback told us that thermal cycling during extrusion or speckling in molded parts points to trace decomposition. Our focus in recrystallization and post-synthetic drying lead to a cleaner product that minimizes these risks.

    Medicinal chemistry groups want to avoid batch-to-batch shifts in isomer content or residual metal contamination. Over time, our number of complaints on this front shrank as our QA team invested in ICP-MS analytics and switched up purification processes. We eliminated most detectable heavy metals which increase risk in regulated formulations. Lab-scale clients reviewed our certificates next to their own tests—we welcomed those third-party checks, seeing repeat orders as the real endorsement.

    Visible Integrity: What You See Is What You Get

    Years in this industry have shown that no label or assurance carries as much weight as how the product looks and flows. Our warehouse staff keeps every batch tagged and tracked by photo, weight, and sample archive. Full transparency means our partners can get images of the actual lots sitting on pallets—even when things are hectic at fiscal year close. Records of packaging and handling let us answer technical questions with specifics, not guesswork.

    If a batch shows excess fines or unexpected color, it doesn’t leave the site. On busy days, the team gathers for rapid review—everyone from R&D to logistics steps in. The result is a culture where product consistency is more than a line in the catalog. Some of our partners report multi-year supply agreements because they see, year after year, that reliability persists no matter how demand surges or global logistics slow down.

    Taking Charge of Logistics and Global Supply Chains

    With growing global demand for halogenated intermediates, we knew a strong supply chain matters as much as chemistry. Overseas, shipping routes sometimes close, or customs suddenly require new forms. Our dedicated shipping coordinators keep close watch, supported by real-time packaging sensors and third-party inspections in destination countries. The investment in real-time transparency means partners don’t wonder about stuck or degraded goods even across seasons or port closures.

    We have seen how climate, storage conditions, and harmonized material codes can disrupt even the best logistics plans. Years back, a single missed customs update resulted in a cargo container of this product delayed in a tropical port. The rise in humidity showed up when the client opened the drums. Since that day, our export protocols bake in data monitoring, with shipment sensors flagging excursions and enabling us to recall or reroute as needed. Each snag brings new procedures that keep quality consistent no matter where 4-Chloro-2-Fluoroiodobenzene goes.

    Responsive to Innovations and Industry Change

    We do not stand still. As new cross-coupling methods and greener solvents take hold, our R&D group keeps an eye on both academic journals and direct customer feedback. Some clients now use microwaves or flow chemistry to accelerate steps downstream. They tell us which impurities raise baseline noise or lower yield, so we circle back with new purification schemes. The change might mean lower residual acids or higher crystalline uniformity, but it stems from real-world experience and user input, not just theory.

    We attend roundtables between manufacturers, formulators, and academic labs—good ideas flow both ways. Last year, a push emerged for reducing carbon footprint in aromatic halide synthesis. Our plant shifted to alternative energy for solvent recovery, and seeing the numbers drop, we didn’t stop there: we replaced legacy heating units with more efficient ones, and now monitor carbon intensity per production lot. The steps aren’t always simple, but gradual improvement keeps us ahead of both compliance and client priorities.

    Future Directions and Honest Approach

    As the regulatory landscape tightens in every region, we are on the front lines adapting to evolving standards. European and North American groups ask tougher questions about trace impurities, worker safety, and energy use. We run routine internal audits, not waiting for formal inspection. Our staff flagged microplastic concerns from auxiliary materials, prompting a switch to compostable liners for some shipments. Most changes don’t show up in the product catalog, but they build trust over the long term.

    We hear from smaller labs and multinationals alike about documentation needs. Every shipment is paired with full batch genealogy, impurity profiles, and third-party validation when requested. Transparency is direct—clients get the technical data, not just a code on a spreadsheet. When someone calls our technical support, they talk to chemists who touch the product, not just a phone bank following scripts.

    Commitment to Chemical Manufacturing Expertise

    Supplying 4-Chloro-2-Fluoroiodobenzene at industrial scale isn’t a commodity business to us. At each step—raw material sourcing, process optimization, daily QC checks—our team brings decades of collective experience, rooting improvements in hands-on practice, not just protocol. We keep in touch with end users through forums, troubleshooting calls, and customer site visits, which reinforce our sense of shared responsibility. Reliability and visible integrity lead our approach, supporting technical advances for users downstream.

    Continuous improvement comes from what we learn from each lot, customer, and challenge. The focus on quality, process transparency, and direct communication defines our approach—from raw material loading to the moment our partners sign off on receipt. No matter how technology or end-use trends evolve, we believe a manufacturer’s value comes from working closely with the chemistry, carrying forward consistency, and responding as needs shift. This belief has shaped our own work day after day, and it drives every batch of 4-Chloro-2-Fluoroiodobenzene that leaves our doors.