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3-Iodopyridine

    • Product Name 3-Iodopyridine
    • Alias 3-Iodopyridine
    • Einecs 220-236-5
    • 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
    VTB
    Specifications

    HS Code

    934483

    CAS Number 1120-97-4
    Molecular Formula C5H4IN
    Molecular Weight 205.00 g/mol
    IUPAC Name 3-iodopyridine
    Appearance Colorless to pale yellow liquid
    Boiling Point 206-208 °C
    Melting Point 12-13 °C
    Density 1.798 g/mL at 25 °C
    Purity ≥98%
    Synonyms Pyridine, 3-iodo-
    SMILES C1=CC(=CN=C1)I
    InChI InChI=1S/C5H4IN/c6-5-2-1-3-7-4-5/h1-4H
    Refractive Index 1.660
    Solubility Soluble in organic solvents
    Flash Point 93 °C

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

    Packing & Storage
    Packing 3-Iodopyridine is supplied in a 25g amber glass bottle, featuring a white screw cap and clearly labeled with hazard and product information.
    Shipping 3-Iodopyridine is shipped in tightly sealed, chemical-resistant containers to prevent leaks and contamination. The package is clearly labeled with hazard information, following international regulations for the transport of hazardous chemicals. Shipping is typically via ground or air, compliant with safety protocols to ensure integrity during transit and delivery.
    Storage 3-Iodopyridine should be stored in a tightly sealed container, away from light and moisture, in a cool, dry, and well-ventilated area. Keep it separate from incompatible substances such as strong oxidizers. Store at room temperature and ensure all storage containers are clearly labeled. Use appropriate secondary containment to prevent accidental spills or leaks. Follow all regulatory and safety guidelines.
    Application of 3-Iodopyridine

    Applications of 3-Iodopyridine in Industrial Manufacturing

    As a specialist manufacturer of 3-iodopyridine, we enable value-added transformations across several fine chemicals industries. Our product supports core intermediate synthesis where targeted pyridine derivatives underpin key industrial supply chains. The following sectors represent real-world downstream applications, each with distinct compliance requirements, formulation practices, and final output profiles.

    1. Pharmaceutical API Intermediate Synthesis

    3-Iodopyridine serves as a privileged building block in the manufacture of active pharmaceutical ingredients (APIs), especially in heterocyclic drug classes. Its role in facilitating cross-coupling and substitution reactions allows chemists to introduce functionalized pyridine motifs essential for targeted therapeutics. This material enters multi-step organic synthesis routes where stringent regulatory compliance and process traceability are mandatory from raw material to purified API.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • European Pharmacopoeia (Ph. Eur.) guidelines on starting materials
    • 21 CFR Part 211 (US FDA GMP)
    • USP General Chapter <1078> Good Manufacturing Practices

    Typical usage ratio

    • Step-specific addition: typically 0.8–1.2 molar equivalents relative to core coupling partners, with adjustments based on reaction yield data and impurity limits

    Downstream process integration

    • Introduced during early- to mid-stage custom synthesis, commonly in Suzuki-Miyaura or Buchwald-Hartwig coupling reactions to construct substituted pyridines
    • Undergoes controlled quenching, purification, and comprehensive intermediate QC prior to subsequent elaboration toward the target API

    Final product types

    • Antiviral and antineoplastic pharmaceutical actives
    • Pyridine-containing central nervous system agents
    • Specialty intermediates for contract API manufacturing

    2. Agrochemical Intermediate Manufacturing

    Downstream agrochemical producers utilize 3-iodopyridine to enable the synthesis of proprietary pesticide and herbicide molecules containing selective heterocyclic backbones. Its function as a halogen source supports effective arylation and coupling strategies central to scalable batch manufacturing, with in-process controls targeting residual any halide, heavy metal, and total impurity levels as required for regulatory submission.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • REACH Registration, Evaluation, Authorisation and Restriction of Chemicals (Europe)
    • ISO 9001 Quality Management Systems for pesticide intermediates
    • China National Standard GB/T 22151 for pesticide technical material

    Typical usage ratio

    • Conventional input levels: 1.0–1.3 equivalents in halogenation or heterocycle extension steps, adjusted to minimize process residuals and optimize crop safety profile

    Downstream process integration

    • Integrated as key starting material for custom synthesis of pyridine- or pyrimidine-based agrochemicals within multi-stage batch or semi-batch reactors
    • Typically reacts with aryl boronic acids or organometallic reagents as the initial transformation before further derivatization

    Final product types

    • Pyridine-based active pesticide ingredients
    • Herbicide intermediates designed for post-emergence weed control
    • Seed treatment compound intermediates

    3. Electronic Chemicals and Material Science

    Leading-edge electronics manufacturers rely on controlled introduction of functionalized aromatic heterocycles in the development of advanced material solutions, including organic semiconductors and specialty coatings. 3-iodopyridine enables the site-specific coupling needed for the precision synthesis of electron-rich fragments, where purity, residual metal content, and chemical homogeneity directly determine downstream product quality in device-grade applications.

    Industry compliance standards

    • SEMI C94 - Specification for Electronic Grade Chemicals
    • RoHS Directive 2011/65/EU restrictions (for hazardous substances in electronics)
    • ISO 9001 for quality control traceability
    • Supplier audits to IPC-1752A material declaration standards

    Typical usage ratio

    • Generally applied at 0.9–1.1 molar equivalents in coupling or substitution steps; ratio is fine-tuned according to precursor compatibility and targeted substrate purity

    Downstream process integration

    • Matched as the iodinated precursor in microelectronics development labs for Suzuki coupling to introduce custom N-heterocycle fragments
    • Blend formulated in low-ppm contamination-controlled environments to preserve functional group integrity in sensitive device structures

    Final product types

    • Organic thin-film transistor intermediates
    • OLED and OPV backplane material intermediates
    • High-purity specialty ligands for electronic photoresist formulations

    4. Dye and Pigment Synthesis

    Producers of functional colorants use 3-iodopyridine as an essential intermediate for the creation of nitrogen-containing dye molecules. The ability to selectively functionalize the pyridine nucleus is critical for achieving desired absorption properties and lightfastness. Downstream manufacturers implement residue and color-quality testing at each stage, with input levels tailored to control batch-to-batch chromaticity standards in final pigment dispersions.

    Industry compliance standards

    • OEKO-TEX® Standard 100 for textile dyes
    • EN 71-3 EN Safety of Toys (for pigment use in coloring plastics and children’s products)
    • ISO 787-24 for pigment chemical analysis
    • ASTM D4303 lightfastness testing protocols

    Typical usage ratio

    • Employed at 1.0–1.5 equivalents for chromophore formation, with adjustments driven by targeted extinction coefficient and color shade consistency

    Downstream process integration

    • Incorporated in early-stage functionalization to yield key pyridinyl aniline dyes via catalytic substitution and oxidative coupling
    • Intermediate stages feed into dispersion and granulation lines used for pigment paste manufacture

    Final product types

    • Disperse and acid dyes for synthetic fibers
    • Nitrogen-substituted organic pigments for plastic and ink industries
    • Chromophore precursors for high-performance pigment dispersions

    5. Specialty Chemical R&D and Custom Synthesis

    Contract research organizations, as well as industrial laboratories, integrate 3-iodopyridine into proprietary synthetic routes for discovery and scale-up of novel heterocyclic compounds. The material's iodo functional group enables site-selective transformations that underpin screening library expansion and custom non-GMP reference compound production, subject to internal quality protocols and documentation at every stage.

    Industry compliance standards

    • GLP (Good Laboratory Practice) for non-clinical safety studies
    • ISO 17025 for analytical laboratory calibration, where required
    • Internal IP protection and compound registration SOPs
    • Full traceability and retention sample guidelines per client project specifications

    Typical usage ratio

    • Experimental additions range 0.5–2.0 equivalents, optimized by scale and exploratory synthetic design based on target molecular complexity and yield goals

    Downstream process integration

    • Supplied as a weighed charge for early-phase route scouting, structure–activity relationship (SAR) studies, or process optimization by medicinal and material chemists
    • Undergoes small- to pilot-scale reactions including C–C and C–N coupling, ring closures, and functional group transformations

    Final product types

    • Pyridine-based reference standards
    • Non-GMP lead compound candidates for preclinical screening
    • Analytical chemical libraries for structure elucidation and validation
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    Competitive 3-Iodopyridine prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

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    Certification & Compliance
    More Introduction

    3-Iodopyridine – Experience the Value of Precision Chemistry

    Proven Reliability, Backed by Manufacturing Expertise

    From years on the production floor, I’ve learned what a difference consistent quality makes in specialty intermediates like 3-Iodopyridine. Chemists want a material that behaves as expected—one run after another—especially when scaling up or refining synthesis steps. Our 3-Iodopyridine never comes by accident. Decades refining batch procedures and targeting impurity control have shaped a product that demands no guesswork. In the everyday world of organic synthesis, time is tight and margins are thin. By removing the unknowns, we help teams plan with certainty and cut waste from every campaign.

    What Sets Our 3-Iodopyridine Apart

    Many who buy specialty chemicals spot a vendor’s name on a container and never think much about its journey. I’ve spent enough hours over reactors and in QC suites to know manufacturing methods leave their mark—sometimes subtly, sometimes dramatically. With our 3-Iodopyridine, you see the results of controlled halogenation, monitored at every step. We’ve tuned filtration and drying so you won’t find excess water or unwanted by-products fouling reactions downstream. This isn’t the same as what smaller traders pass along, where trace amounts of unknowns come bundled inside a sealed drum. We test more than just appearance—we chase down any outlier peaks so chemists using our product don’t encounter the unpredictable.

    Our material flows smoothly in typical laboratory conditions, stays crystalline under ambient storage, and delivers at the assay expected—every shipment, every drum. We do not substitute plant location or shift operators, so you won’t feel a change from one lot to another. We decided early not to take shortcuts with recycled iodine, even when prices spike, because contamination haunts downstream yield and purity. This makes our costs a bit higher at times, but we’ve seen how it supports those who rely on the product all the way through clinical or commercial routes.

    Specifications and Material Overview

    We produce 3-Iodopyridine with a molecular formula of C5H4IN, and a molecular weight suitable for a wide variety of transformations that add value for both early discovery and process-scale pipelines. Samples regularly demonstrate purity above 99% by HPLC, with trace residual solvents tightly controlled below ICH guidelines. Moisture content remains consistent—and for those developing moisture-sensitive reactions, we offer lots with Karl Fischer titers available upon request.

    Our standard product is a pale to off-white crystalline solid, delivered in fiber drums or sealed glass bottles for laboratory use. This may seem routine, but every batch reflects the exacting standards demanded by regulatory-facing projects or commercial process runs, thanks to our traceability, documentation, and retention sampling.

    Why Sourcing Direct from Manufacturer Changes the Equation

    Those buying 3-Iodopyridine may face subtle or large swings in quality and performance if they shift from one source to another. Having spent years both as a supplier and direct contact to research teams, I’ve seen first-hand what happens when process failures emerge mid-campaign—the usual suspects are unexpected trace impurities or off-spec crystallinity. In our facility, cross-contamination never gets a foothold, thanks to dedicated equipment and carefully codified cleanout procedures. This discipline is not hard to justify—one poor lot spells weeks of work lost for pharmaceutical or agrochemical innovators.

    Our process remains tightly held in-house, developed through pilot work and scale-up that fixes everything from agitation speed to charge sequence. We refuse to contract out isolation steps or leave key process controls to outside partners. Each drum that leaves our gates has a clear history backing every specification listed on the COA. This removes the hidden uncertainties that haunt externally brokered or re-bottled lots, where even something as simple as package size can hint at unknown handling or exposure histories.

    Unlike many who depend on catalog offerings from traders, direct sourcing means we maintain chain-of-custody from raw material sourcing through to final shipment. We reject iodine supplies that do not meet our entry limits and we watch for batch-to-batch drift in all our upstream intermediates, reducing the risk of subtle contamination that could wreck critical coupling chemistry.

    The Role of 3-Iodopyridine in Organic Synthesis

    Those using 3-Iodopyridine rarely want it as a finished product—they need its unique iodo-position to unlock coupling strategies that create far more complex targets. Whether it sits at the starting point for Suzuki cross-couplings, Stille, or Heck reactions, its reactivity gives chemists a reliable stepping stone when forming bonds otherwise slow or low-yield. Early in my career, I saw plenty of examples where the value of high-purity 3-Iodopyridine made the difference in building out new heterocyclic structures for lead optimization. It stands apart from less reactive bromo- or chloro-pyridines, giving cleaner conversions under milder conditions, especially where functional group tolerance limits other routes.

    In contrast to more common halopyridines, the iodinated derivative opens doors for faster metalation, facilitating aryl-iodide insertion steps while slashing side-reaction profiles. Process chemists at scale have told us how a dependable iodo product shrinks their timeline and removes worries about late-stage backtracking due to impurities invisible at smaller scale. Across the workflows I’ve seen, those who rely on our certified iodo intermediates end up with reproducible yields and simpler downstream purification—saving not only raw materials, but weeks in the schedule.

    Standard and Custom Packaging to Match Real-World Needs

    Our production team learned to pay serious attention to packaging because even the best product can suffer from bad transit or poor storage. We moved away from paperboard years ago, favoring fiber drums lined with moisture-tight bags for bulk orders and inert-packed glass for smaller requests. A batch leaving our gates reaches the user with all documentation attached, including latest assay records and shelf-life verification. With every shipment, traceability remains built-in—it never gets relegated to a separate team or afterthought.

    We’ve responded directly to customers who face odd bottle breakage or compaction issues during winter transits, tightening enclosures and adapting to seasonal shifts. All feedback comes back to engineering as process improvements, and every package meets the same rigorous in-house standards. We include stability studies pulled from real-world conditions, not just vendor-claimed data, and regularly engage with end-users to fine-tune lot sizes for their campaign schedules.

    Comparing to Other Halopyridine Products

    Some may wonder how 3-Iodopyridine stacks up to other halogenated pyridines, both in terms of reactivity and downstream reliability. Direct manufacturing shows us the practical differences day-to-day. The iodine-substituted variant remains more versatile for metal-catalyzed coupling and tends to retain less persistent impurities than its bromo or chloro cousins, especially after multiple batch recycles. We’ve watched customer case studies confirm that conversion rates pick up noticeably with the iodo material, giving fewer tars and less colored by-product during workup.

    From a manufacturing standpoint, it takes a higher up-front iodine cost and more attention to handling safety, given the volatility of the element and challenge of keeping it under control across hazardous sub-steps. Process improvements we’ve made target both yield and impurity clamp-down, and we have found that refining our halogenation step leads directly to higher assay outputs with fewer repeats. Because iodine is more sensitive than its lighter halogen analogs, everything—air flow, stirring, charge temperature—matters in ways less obvious downstream.

    For those weighing material choices, our direct experience tells us that 3-Iodopyridine can push difficult C–C couplings or nucleophilic substitutions further than what bromo- or chloro-pyridines can offer. We’ve seen this play out both at kilo-lab and pilot scale, where batch consistency avoids delays due to repeat purification. As a manufacturer, we focus on limiting downstream complications, and that starts by targeting key metrics upstream in every batch cycle.

    Troubleshooting and Supporting Advanced Synthesis Campaigns

    We often work in real time with synthetic teams troubleshooting scale-up issues. Genuine technical support goes far beyond handing out a product bulletin. Our staff engage with lab teams, asking about unusual tarring, low conversions, or batch-to-batch drift in critical step yields. This feedback circle allows us to track subtle shifts in impurity profile, even when external labs don’t spot these on a standard assay. We’re always ready to offer freshly milled lots or alternate batch splits for verification, and this kind of partnership makes a true difference on time-sensitive projects.

    By working with end-users directly, we maintain an internal library of reaction challenges, unexpected reactivity patterns, or incompatibility with catalysts, all tied to batch history and user procedure. This resource gives real leverage during method troubleshooting, and leads us to adjust material specification or offer custom lots for advanced needs. For example, high-throughput screening programs sometimes demand special material splits, while route scouting for new drug programs benefits from gram-to-multi-kilo packaging flexibility.

    Quality Control Grounded in Real Laboratory Demands

    Our QC approach draws on more than regulatory box-checking—it’s about predicting where weak spots arise before they ever hit a customer’s bench. I remember analyzing batches early on and finding odd, lingering peaks on GC trace, sometimes under 0.2% but still able to stall a synthesis or throw off an intermediate’s NMR. We dug in by adjusting soak times, pushing column purifications, and refining drying protocols. These lessons shaped the checkpoints we use today.

    Each lot matches a detailed, long-term retention record. We keep sample splits set aside for years, so any issues cropping up in a downstream project, sometimes months or years later, can get traced back, reviewed, and connected to both raw material and in-process records. With material as critical as 3-Iodopyridine, this diligence isn’t just about meeting regulatory demands—it’s how we preserve reputational value. Repeat business comes only from trust earned batch by batch, not paperwork alone.

    We conduct full-range spectral verification—HNMR, CNMR, and routinely run mass spectrometry as well. Water content, unless otherwise specified by customers, gets kept below strict upper limits, and we regularly adjust drying cycles based on real shipment feedback. Talking directly to downstream users lets us adjust, for example, crystal size distribution or offer pre-ground material for solid-phase processing.

    Environmental and Safety Accountability

    Producing 3-Iodopyridine involves the handling of hazardous intermediates and a high environmental burden if not managed correctly. We built our plant around containment and minimization of iodine losses, both to protect workers and cut environmental emissions. Spent process streams get treated with closed-loop recovery systems, and waste iodine is isolated for controlled reclamation instead of bulk disposal. These investments aren’t just for compliance—they’ve cut our material costs, shrunk our waste output, and raised standards for everyone on site.

    We maintain real-time monitoring, employee PPE programs, and incident records open to periodic outside audits. We keep nothing hidden from clients about our safety culture, and site visits always remain open to vet how material flows from intake to output. By investing in proper safety and environmental controls, we limit product contamination, stabilize yields, and contribute to a safer workplace for our crew—a point of pride deserving more recognition in our field.

    Meeting the Demands of Innovation

    Modern pharmaceutical and agricultural chemistry need higher standards of building blocks than ever before. Our direct relationships with R&D teams shape how we refine batches, scale capacity, and tackle new impurity profiles as the field evolves. For example, as more coupling catalysts enter the market, we track any new incompatibilities or off-cycle reactivity and adjust our own purification train in response. We also work to provide regulatory package support for customers moving toward clinical or registrational filings, offering integrated documentation to streamline the whole process.

    From startups running their first optimization campaign to multinational firms scaling for validation, we support across the whole development arc. Chemists who begin with our small lots for route screening often return seeking larger supplies for toxicology or process validation. Throughout, our insistence on in-house production, tested traceability, and open dialogue leads to reproducibility and reduced risk—values worth more than any claim on a data sheet.

    Continuous Improvement as a Core Philosophy

    Manufacturing 3-Iodopyridine to tight standards means never sitting still. Whether tracking raw iodine prices, evolving analytical techniques, or training up the next generation of operators, every change filters back to the end product. We invest in pilot plant runs, side-by-side batch testing, and regular staff training to stay ahead of the curve. Customer requests for higher-purity splits, or for material tailored to unique process specifications, don’t get met with resistance—they’re seen as learning opportunities.

    I see every repeat order, every request for technical input, as proof that our approach delivers what labs and factories actually need: freedom from mystery, time wasted in purification, and failures hidden by middlemen. Direct manufacturing accountability gives us both the motivation and tools to keep improving. Over the years, we’ve seen tangible rewards—not just better yields, but easier relationships, swifter troubleshooting, and the confidence that no hidden flaw blocks progress in vital downstream projects.

    Partnership Rooted in Real-world Experience

    Trust with our clients does not come from thin air or glossy marketing. Years of side-by-side problem solving built a relationship between our process teams and the research and production groups we supply. We keep our service technical, grounded in data from actual production runs, and never rely on vague claims or recycled documentation. Our open feedback and troubleshooting help both sides grow—and we take every opportunity to learn from real-world results and customer insights.

    Our approach gives certainty about what lands on the loading dock or lab bench. We help chemists and engineers avoid surprises, build confidence in repeat batches, and save resources all along the way. In our view, a high-value building block like 3-Iodopyridine deserves nothing less.