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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 | 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. |
Applications of 2-Chloro-3-Fluoroisonicotinic Acid in Industrial Manufacturing2-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 SynthesisIn 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
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2. Pharmaceutical Intermediate for Fluorinated APIsThis 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
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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
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4. Fine Chemical Building Block for Custom SynthesisCropping 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
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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.
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.
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.
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.
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.
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.
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.
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.
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.