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2-Chloro-3-Fluoroisonicotinic Acid

    • Product Name 2-Chloro-3-Fluoroisonicotinic Acid
    • Alias 2-Chloro-3-fluoro-4-pyridinecarboxylic acid
    • Einecs 826-700-3
    • 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
    VTB
    Specifications

    HS Code

    580905

    Productname 2-Chloro-3-Fluoroisonicotinic Acid
    Casnumber 209133-62-2
    Molecularformula C6H3ClFNO2
    Molecularweight 175.55
    Appearance White to off-white solid
    Meltingpoint 153-156°C
    Solubility Slightly soluble in water; soluble in organic solvents
    Purity Typically ≥98%
    Storageconditions Store at room temperature, keep container tightly closed
    Synonyms 2-Chloro-3-fluoro-4-pyridinecarboxylic acid
    Smiles C1=CN=C(C(=C1F)Cl)C(=O)O
    Inchikey PHOCNWUGZMFYOY-UHFFFAOYSA-N

    As an accredited 2-Chloro-3-Fluoroisonicotinic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 2-Chloro-3-Fluoroisonicotinic Acid, 5g, is packed in a sealed amber glass bottle with hazard labels and product information.
    Shipping 2-Chloro-3-Fluoroisonicotinic Acid is shipped in a secure, airtight container to prevent any leaks or contamination. It is packed according to regulatory guidelines for chemicals, including proper labeling and hazard identification. The package is typically transported via ground or air freight with all necessary safety documentation included.
    Storage 2-Chloro-3-Fluoroisonicotinic Acid should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizing agents. Protect it from moisture and direct sunlight. Store at room temperature, and ensure proper labeling. Use appropriate personal protective equipment when handling and follow all safety guidelines for hazardous chemicals.
    Application of 2-Chloro-3-Fluoroisonicotinic Acid

    Applications of 2-Chloro-3-Fluoroisonicotinic Acid in Industrial Manufacturing

    2-Chloro-3-Fluoroisonicotinic Acid plays a specialized role as an intermediate in selective industrial supply chains. We support global downstream manufacturers by delivering material designed for high-purity integration into demanding chemical synthesis routes. The following sections detail its well-established applications, each demonstrating real industrial relevance, exacting standards, and process-specific guidance enabling safe and efficient incorporation.

    1. Agrochemical Active Ingredient Synthesis

    In the agrochemical sector, this compound serves as a key building block for the synthesis of heterocyclic herbicide and fungicide actives. Its halogenated pyridine structure enables targeted functionalization steps, contributing to precursor chains for broad-acre crop protection agents. Manufacturers leverage its reactivity at the 2- and 3-positions to engineer proprietary molecular scaffolds that comply with evolving pesticide regulations. The strict batch traceability, contaminants control, and greenhouse residue thresholds are foundational to its acceptance for large-scale agro-formulation plants.

    Industry compliance standards

    • FAO/WHO: Specifications for Agricultural Pesticides and Formulations
    • ISO 9001 in agrochemical synthesis operations
    • European Regulation (EC) No 1107/2009: Placing of Plant Protection Products on the Market
    • REACH (EC No 1907/2006) chemical registration and restriction protocols

    Typical usage ratio

    • 2–6% w/w in intermediate coupling reactions; adjusted according to target molecule and yield optimization in multi-step synthesis routes

    Downstream process integration

    • Charged during N-arylation, Suzuki coupling, or amide condensation steps for creating novel heterocyclic frameworks within continuous or batch agrochemical synthesis lines

    Final product types

    • Technical-grade herbicidal and fungicidal actives (e.g. triazole derivatives, pyridine-based agents)
    • Pre-formulated suspension concentrates for crop spraying
    • Granular active ingredients for soil treatment

    2. Pharmaceutical Intermediate for Fluorinated APIs

    This raw material is an essential intermediate in the multi-step synthesis of active pharmaceutical ingredients featuring halogenated nicotinic acid motifs. Its controlled substituents provide metabolic stability and enable regioselective transformations essential for high-value generics and proprietary drugs, primarily in anti-infective and CNS therapeutic classes. With every lot, we adhere to pharmaceutical GMP guidelines concerning trace metals, residual solvents, and batch validation for regulated markets, supporting downstream compliance from custom synthesis through to late-stage clinical supply.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP <232>/<233>: Elemental Impurities
    • European Pharmacopoeia monographs for finished APIs
    • FDA 21 CFR Part 211 for finished pharmaceutical products

    Typical usage ratio

    • 0.5–2.5 molar equivalents, introduced at the fluorinated ring-construction or amidation stage; exact dosage calculated based on stoichiometric conversion requirements

    Downstream process integration

    • Added during key condensation, halide exchange, or ring closure steps of API intermediate synthesis; followed by functional group modification tailored to the intended therapeutic

    Final product types

    • Active pharmaceutical ingredients (APIs) containing fluoropyridine scaffolds
    • Clinical trial API samples for regulatory submission
    • Commercial generic and innovator drug formulations

    3. Specialty Electronic Chemicals (Photoresist and OLED Materials)

    Manufacturers in electronics chemicals rely on this compound for constructing functionalized pyridine derivatives essential in photoresist additives and OLED emitter/base materials. Its halogen atom substitution pattern imparts electron mobility and UV-absorption characteristics suited to microfabrication processes. Producers must satisfy stringent microelectronic material purity and outgassing benchmarks, with detailed lot-to-lot consistency data supporting performance across downstream photolithography and electronic device assembly lines.

    Industry compliance standards

    • SEMI C93.1: Purity Standards for Electronic-Purity Chemicals
    • JEITA ET-7502: Quality requirements for OLED material supply chain
    • RoHS Directive 2011/65/EU: Electronic product material regulations
    • ISO 14644: Cleanroom processing standards

    Typical usage ratio

    • 0.3–5% w/w, selected based on targeted doping level or functional group incorporation per specific OLED/photoresist formulation

    Downstream process integration

    • Included in early synthesis or blending stages of functionalized monomers and oligomers for patterning materials or emissive compound creation, followed by purification and device integration

    Final product types

    • Liquid/solid photoresist additives for PCB manufacturing
    • Pyridine-based OLED emitting materials and hole transport layers
    • Thin-film electronic chemicals for advanced displays and semiconductors

    4. Fine Chemical Building Block for Custom Synthesis

    Cropping up as a flexible synthon, this material forms the backbone of contract manufacturing projects where halogenated pyridine rings are required for molecular diversification. Specialty chemical firms use it to introduce fluorinated motifs into pilot- and commercial-scale fine chemical libraries. These downstream operations demand strict documentation of synthesis history, impurity profile, and scalable adaptability—allowing easy integration into route scouting and scale-up campaigns clear of regulatory issues and batch variability.

    Industry compliance standards

    • ISO 9001: Quality Management for Custom Synthesis
    • Documentation in line with Responsible Care® and CEFIC best practices
    • Appropriate regional import/export notifications under REACH or TSCA, depending on jurisdiction
    • Material Safety Data Sheets (MSDS) for workplace hazard control

    Typical usage ratio

    • 1–15% w/w in targeted derivatization, dictated by desired final compound yield and stoichiometry during library construction or contract manufacturing

    Downstream process integration

    • Loaded at the ring functionalization, halogen-exchange, or directed metalation stage in multi-step, tailor-made synthesis protocols from gram to tonnage scale

    Final product types

    • High-purity fine chemical intermediates for subsequent supply to pharmaceutical, agrochemical, or electronics clients
    • Diversified heterocycle compound libraries for research and material science studies
    • Specialized reference standards and analytical markers
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    Certification & Compliance
    More Introduction

    2-Chloro-3-Fluoroisonicotinic Acid: Chemical Reliability Backed by Experience

    Setting a High Standard for Consistency

    Every batch of 2-Chloro-3-Fluoroisonicotinic Acid leaving our facility represents a culmination of careful synthesis, solid process design, and a commitment to quality that we have refined over years in the manufacturing sector. We understand how crucial the fine details are for pharmaceutical intermediates, crop protection research, and specialty synthesis; when you handle chemical reactions that hinge on the purity of your starting materials, even a slight deviation can compromise an entire production run. Our direct experience steering large-scale manufacturing lines tells us that nothing provokes a headache faster than inconsistency in a key reagent. That is why we emphasize robustness and repeatability in both our purification and our quality assurance steps.

    At the core of our synthesis, 2-Chloro-3-Fluoroisonicotinic Acid answers a growing demand for halogenated derivatives of isonicotinic acid. These halogens not only increase molecular diversity, they often drive up reactivity or tune physical properties for downstream transformations. Multinational pharmaceutical companies and independent research labs alike count on our material to offer both a versatile building block and an entry point for custom synthetic pathways. A typical analytical profile for our product shows controlled levels of moisture and trace contaminants, which we verify with both in-house HPLC and NMR benchmarks. We’ve clocked how false readings or out-of-spec residue usually signal procedural shortcuts—something we cut out entirely by sticking to time-proven operational controls rather than chasing speed or cost reduction at the expense of reliability.

    Specifications Shaped by Real-World Needs

    As manufacturers, we rarely take “standard” at face value. In the case of 2-Chloro-3-Fluoroisonicotinic Acid, we have settled on a specification with a purity consistently above 98%. This figure didn’t arise from a marketing committee or some arbitrary grade—over several process validation pilots, we collected repeated input from chemists who struggled with byproduct interference in their syntheses. Based on those operators’ experiences, we adjusted the purification sequences to bring down key impurities, including traces of the fluoro precursor, which can throw off coupling reactions or impact yields. Reproducibility builds trust. We have returned countless samples for external verification in both small- and large-scale syntheses. Our partners report back the same message: tighter impurity windows consistently reduce failure rates down the line.

    The physical form emerges as another result of hands-on process engineering. Rather than rely on broad spec sheets, we tune our drying and milling operations to ensure that each delivery matches the needs of formulation chemists. 2-Chloro-3-Fluoroisonicotinic Acid ships as a fine, free-flowing powder, which resists clumping even in humid conditions. We found—by testing storage in both climate-controlled warehouses and less-than-perfect environments—that powders with a slightly larger particle profile stood up better to variable transport without excessive dustiness or caking.

    Moisture management, particularly in halogenated acids, presents persistent operational headaches. Over the years, we noticed that batches packaged with only standard foil pouches tended to accrue slight dampness in cross-continental shipments. We now seal each drum under inert gas, minimizing hydrolysis risk and preserving long-term shelf life. There’s no substitute for this kind of incremental problem-solving on the factory floor: real chemical durability depends not only on synthetic precision, but also on down-to-earth packaging protocol and logistics awareness. We do not rely on post-shipment dehumidification tricks, which often leave product performance up to chance.

    Application Expertise From the Source

    2-Chloro-3-Fluoroisonicotinic Acid does not simply check the box as another specialty intermediate. We’ve encountered project teams who run multi-step pharmaceutical coupling or need scalable conditions for library synthesis. In these hands-on projects, they hit fewer dead ends by starting with our consistently pure acid. Thanks to years of troubleshooting and a steady feedback loop with end users, we’re familiar with the difference that small impurities or inconsistent melting points can introduce. That familiarity has shaped not just our in-process testing regimes, but also the milestones through which we evaluate full-scale production runs.

    Over several years supplying this product to medicinal chemistry programs, we have seen it selected for its unique balance of electron-withdrawing halogen substitutions. These groups steer reactivity profiles for nucleophilic substitutions, Suzuki couplings, and amide bond formations. Many innovators leverage this profile to access new heterocyclic frameworks, or to modulate pharmacokinetic properties in early-stage drug candidates. Researchers have told us that uncontrolled aromatic substitution creates roadblocks, so we’ve mapped our batch records to show them exact halogen integration. Analytical snapshots confirm substitution locations, letting users track every batch with confidence.

    In agricultural chemistry and material science, our 2-Chloro-3-Fluoroisonicotinic Acid provides a robust tool for designing new pesticides, plant growth regulators, and advanced coatings. Field chemists seek out high-purity building blocks that remain stable during scale-up and show reliability during late-stage process transfers. Our internal teams have handled kilograms to hundreds-of-kilograms campaigns, fine-tuning operational standards to meet these larger demands. Direct interaction with team chemists keeps us alert to shifting end-use trends and ensures that process drift does not undermine confidence down the chain.

    Direct Difference From Other Sourcing Options

    We frequently receive questions comparing our product with lower-priced alternatives sourced from lesser-known traders or multi-product vendors. The distinguishing factor centers on more than raw specification sheets. The feedback loop between our own manufacturing team and the customers shapes both process development and accountability. Having absorbed our share of field reports about unexpected side products and batch-to-batch drift, we recalibrate our process controls rather than ignore hard lessons.

    Relying on outside traders or distributors usually means losing sight of how and where unexpected variability creeps into the supply chain. We’re often approached by clients who have worked with intermediates sourced from variable production lines from remote or unverified operations. If you've ever parsed a chromatogram and puzzled over an unidentified peak, you know there’s no satisfaction in “plausible but not guaranteed” answers from Excel-savvy intermediaries who lack access to the reactor or drying line. Only with direct process control at every step—starting material sourcing, reactor parameters, crystallization cycles, drying and containment—can we offer full traceability and a reliable performance record.

    Purity and identity also set our compound apart from alternatives. Our own process analytics provide a full profile for every commercial and pilot batch. Chemical companies that function as distributors frequently lack granular data, offering only generic COAs that mirror basic catalog information. In contrast, our certification includes full impurity mapping, moisture content, and key analytical peaks, since we have both the sample set and the laboratory capacity. From firsthand experience, we know that incomplete impurity data have stalled critical scale-ups and jeopardized regulatory filings—so we front-load that information with each lot.

    Tuning Production With Feedback

    Pain points show up early in chemical manufacturing. If an intermediate like 2-Chloro-3-Fluoroisonicotinic Acid introduces process bottlenecks, downstream process engineers let us know. Drawing from repeated campaign data, we have adapted agitation protocols to prevent localized overheating and dimerization during synthesis. Safety metrics drive changes for pressure and addition rates, keeping batch exotherms under close control. A serialized feedback system ensures each shift document records deviations, which then triggers incremental, real-world improvements rather than risking recurrence through neglect or denial.

    Through open dialogue with customer R&D, we have shifted drying curves to protect sensitive acid functionality and invested in batch filtration infrastructure that trims hours from the workup stage. While these steps lengthen our operational cycle, they significantly boost outcomes for those who transform our intermediate into value-added targets. Our approach reflects a hard-earned recognition: there is often no shortcut to quality, and the extra hours doing it right more than pay back in project stability down the line.

    Addressing Market and Regulatory Challenges

    Each year brings new compliance targets and regulatory questions for chemical manufacturers. For compounds like 2-Chloro-3-Fluoroisonicotinic Acid, attention to changing residue limits, process safety requirements, and environmental stewardship has only grown sharper. We pay attention to both government updates and the practical interpretation of those updates by working chemists and safety engineers. By updating our analytical libraries and deploying validated reference materials, we maintain transparency for each batch; this helps downstream manufacturers comply with both customer audits and changing international standards without losing production time to resampling or foreign retesting requirements.

    We see more projects focusing on greener approaches, aiming for higher atom economy and waste reduction. By optimizing yields and recycling solvents, our process has reduced hazardous waste per kilogram produced compared with the procedures in place just a decade ago. This stems from practical challenges: storage of halogenated wastes, disposal fees, and accidental releases have taught us that sustainable production is both a technical and economic priority. These changes rarely emerge from a single policy update or cost-cutting memo—they grow out of cumulative experience from every production mishap or regulatory review that exposes overlooked risk or redundancy.

    Long-Term Perspective and Relationships

    Customers who return to us project after project usually share a direct and straightforward reason: less drama, less troubleshooting. In chemical synthesis, repeatable performance stands out more than flashy new features or marketing-driven “breakthroughs.” We offer transparent batch records, ongoing technical support, and an operator-driven process culture, not just a truckload of bags with an uncertain origin. Teams who walk our production floor or review our archival batch data appreciate the visible audit trail—there’s no smoke and mirrors, just a consistent track record built from day-to-day commitment to process visibility.

    We take pride in learning both from successful campaigns and setbacks. An on-site review a few years ago revealed a minor but persistent particulate contamination issue stemming from a supply tank gasket. By tracing it back and overhauling our gaskets and filtration hardware, we kept the problem from recurring. This hands-on correction becomes a quiet but crucial part of our manufacturing story—and the kind of incremental improvement that third-party vendors operating only on catalog margins rarely capture. Many clients have said that these “invisible” corrections yield more confidence than any paper certificates could provide.

    Supporting Innovation and Scale

    Whether the challenge involves gram-scale runs for medicinal chemistry or metric tons for industrial projects, we meet it with flexible facilities. Our operators know how to scale up reactions without triggering undesirable side reactions or straining utilities. Cross-training between R&D and production lets us share insights about process extremes—such as right at the edge of solubility, or during post-reaction pH adjustment—so front-line workers can identify and correct issues before they balloon into unsalvageable campaigns.

    Many of our downstream users have reported measurable time and cost savings by reducing the frequency of failed syntheses or batch recalls after making the switch to our material. We’ve spent years finding the sweet spot that balances cost, reliability, regulatory safety, and end-use flexibility. In an industry that sometimes chases novelty for its own sake, we remain convinced that the foundation for real innovation rests on dependable materials, not promises or sales pitches.

    Delivering More Than Material

    The package leaving our plant contains more than a measured dose of 2-Chloro-3-Fluoroisonicotinic Acid; it represents a continuous investment in feedback-driven improvement, operator know-how, and transparent communication with each partner. Whether addressing a specific procedural challenge, adapting to new market trends, or supporting regulatory documentation, we respond with practical solutions shaped by years of lived production experience. Compared with the often impersonal interfaces of trading platforms or bulk resellers, our model stands apart by putting craft, verification, and responsiveness at the center of every shipment.

    There will always be sources promising faster turnaround or rock-bottom prices. Our experience tells us that up-front savings frequently evaporate—whether through off-spec product, unreliable documentation, or missed delivery windows. In the world of specialty chemicals, time really does mean value, and reliability can mean the difference between a project delivered and a project that drags into troubleshooting hell. For those walking the line between tight project deadlines and tough specifications, we believe our approach offers tangible peace of mind and proven performance.