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HS Code |
302087 |
| Chemical Name | Chlorothalonil |
| Iupac Name | 2,4,5,6-tetrachloroisophthalonitrile |
| Cas Number | 1897-45-6 |
| Molecular Formula | C8Cl4N2 |
| Molar Mass | 265.91 g/mol |
| Appearance | White crystalline solid |
| Solubility In Water | Low (0.6 mg/L at 25°C) |
| Melting Point | 250°C |
| Usage | Fungicide |
| Mode Of Action | Multi-site enzyme inhibitor |
| Toxicity Class | Class II (moderately hazardous) |
| Vapor Pressure | 2.5 × 10−7 mmHg (25°C) |
| Stability | Stable under normal temperatures and pressures |
| Logp | 2.94 |
| Flash Point | Non-flammable |
As an accredited Chlorothalonil factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Chlorothalonil is packaged in a sturdy 25 kg white plastic drum, featuring hazard labels, product name, and manufacturer details prominently displayed. |
| Shipping | Chlorothalonil should be shipped in tightly sealed, clearly labeled containers, protected from moisture, heat, and direct sunlight. It must be handled as a hazardous material, following all relevant transportation regulations for pesticides. Appropriate hazard labels and documentation are required to ensure safe transport and compliance with local and international laws. |
| Storage | Chlorothalonil should be stored in a cool, dry, well-ventilated area, away from direct sunlight and sources of heat or ignition. Keep the container tightly closed and store it away from food, feed, and water sources. Ensure the storage area is secure and clearly labeled, and prevent access by unauthorized persons, children, and animals. Avoid contamination with other chemicals. |
Applications of Chlorothalonil in Industrial ManufacturingChlorothalonil plays a critical role as a multi-site broad spectrum chloronitrile compound in sectors demanding controlled microbial resistance and material preservation. As a direct chemical producer, we support various manufacturers by supplying consistent, industrial-grade material for highly regulated downstream processes. Below we detail key applications and process integration scenarios within specific industries utilizing chlorothalonil. 1. Agricultural Fungicide FormulationMajor crop protection companies incorporate this active ingredient in suspension concentrate, dry flowable, and wettable powder fungicides for cereals, vegetables, and peanuts. Regulatory mandates in agricultural practices require technical-grade chlorothalonil to meet low impurity specifications. The controlled addition at formulation plants ensures uniform dispersion and stable activity. Producers focus on contamination prevention throughout loading and milling, with intensive in-process checks to verify cold stability and dispersion rates before final packing for agrochemical distributors and cooperatives. Industry compliance standards
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2. Wood Preservation TreatmentsIndustrial wood protection manufacturers use this chloronitrile to prevent fungal decay and surface mold on lumber, plywood, and timber exposed to humidity. The substance offers multi-site prevention against basidiomycetes and ascomycetes, an essential benefit in long-term outdoor and marine wood structures. Its technical specification from our plant ensures low insolubles and consistent batch analysis for pressure treatment or dipping baths. Solutions require dilution under monitored pH and flow, then injection into wood via vacuum-pressure cycles or conveyor soak systems prior to shipment for construction and infrastructure projects. Industry compliance standards
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3. Paints and Polymer Coating PreservativesProtective coatings manufacturers utilize this compound as a dry film preservative against mold and algae growth on architectural and marine paints. Quality-focused operations require ultra-fine powders or dispersions to permit fine blending into polymeric binders. Our supply chain supports major paint makers in maintaining in-can and applied film shelf life, with special batch release protocols to control VOC contribution and prevent in-process gassing. Regular usage in both factory-applied and field-applied coatings ensures lasting durability of substrates in variable climates with regulatory-compliant biocidal protection. Industry compliance standards
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4. Leather and Textile Mildew Control FormulationsTanneries and specialty textile finishers apply this antimicrobial to wet blue hides, finished leathers, and technical fabrics during storage, shipping, and conversion. Tight dosage and quick integration prevent fungal spoilage and meet end-user export stipulations. At our production site, specialized micronizing and quality holds guarantee physical compatibility and low aromatic residue. Application typically occurs in drum vat washing, fabric finishing, or humidity-controlled spray lines, where exposure control and contact time determine efficacy for fashion and technical textile markets. Industry compliance standards
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5. Turf and Lawn Disease Control ProductsProducers of professional turf care blends rely on this technical-grade active for golf courses, stadiums, and landscaping applications. Industrial granule and liquid concentrate manufacturing require precise blending with inert fillers and wetting agents. Our product undergoes rigorous sieving, moisture monitoring, and metal contaminant controls to support uniform broadcast or spray application. End users expect stable particle sizing and compatibility with spreaders or spray booms for reliable resistance against foliar blights across wide climatic conditions. Industry compliance standards
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Every season, farmers seek solutions that shield their crops from relentless fungal threats. Years of chemical manufacturing have shown us that Chlorothalonil stands out as a reliable answer. This compound, which we have produced and refined through precision processes, continues to power modern agriculture with its broad-spectrum control. Our chemists work daily in environments where the smallest changes in batch conditions can affect downstream usability, so every container we ship reflects a commitment to product consistency and purity, not just a line on a specification sheet.
We typically offer Chlorothalonil in both technical and formulated grades that address differences in application needs. Our most in-demand specification delivers Chlorothalonil with a minimum active ingredient content of 98%, which gives formulators confidence that their downstream blends align with regulatory expectations and farmer demands. Packing, physical properties, and formulation protocols stem from direct field and storage feedback, not just theory. This way, issues with caking, dusting, or solubility are tackled before a drum ever leaves the plant.
Manufacturing Chlorothalonil at scale presents an entire suite of challenges. Chlorothalonil synthesis follows a multi-step chlorination and purification process, each stage requiring vigilant temperature and pH control. Our reactors and crystallizers are staffed by operators who know the value of hands-on monitoring. Any deviation in reaction rates has immediate upstream and downstream impacts—affecting yields, impurity profiles, and by-product streams. Each shift considers process safety, exposure reduction, and waste minimization in real-time. As a result, production teams focus on technology updates that improve containment and reduce environmental impact instead of just maximizing volume output.
During formulation, dust control and dispersibility take center stage. End-users often express concern over difficulties in mixing, foaming, or unexpected sedimentation in the spray tank. Years of collaboration with agronomists and field specialists guide our selection of dispersing agents and wetting additives. These improvements don’t show up in brochures, but they matter in practice. Our packaged products, whether wettable powders or suspensions, must blend seamlessly at the field's edge—on a humid morning or in a desert climate. Field failures trace back through the entire manufacturing chain, so post-shipment product support doesn’t just start after a problem crops up; it begins at the earliest stages of process design.
Fungal pathogens wreck entire harvests if left unchecked. The protective benefits of Chlorothalonil extend from vegetable row covers to sprawling cereal fields. From our manufacturing end, field visits and customer trials feed directly into adjustments on particle size distribution and packaging innovations. Chlorothalonil acts as a multi-site inhibitor, so fungal pathogens find it tough to develop resistance. This mechanism gave us confidence years ago to invest further in its production. On the farms and orchards we visit, growers regularly rotate Chlorothalonil in their spray programs to help manage resistance risks associated with other, single-site chemistries. Where temperatures soar or rainfall runs heavy, our formulations hold up, delivering reliable leaf coverage and long remanence on surfaces, often beyond what older fungicides managed.
By working closely with local agronomists and extension experts, we gather firsthand accounts on performance in lettuce, peanuts, potatoes, onions, and turfgrass. Users describe cleaner foliage and better stand durability through periods of peak disease pressure. Results hinge on using a product that remains stable in storage, dilutes with local water sources, and leaves tank sprayers easy to clean—points often overlooked in surface-level product comparisons. These minute details, surfaced through real-world use and feedback, drive our manufacturing teams to tweak process steps until performance matches the realities of commercial cultivation.
Field agriculture faces constant evolution in disease profiles. Our experience as a chemical manufacturer exposes us to a broad spectrum of pathogens and shifting resistance patterns. Chlorothalonil occupies a unique position among fungicides. Unlike single-site modes like strobilurins or triazoles—where a mutational leap from a fungus can spell global resistance—Chlorothalonil’s multi-site action makes such leaps unlikely. Over decades, growers and academics have noted its ability to sustain reliable crop protection, even in regions where other chemistries lost effectiveness.
We manufacture both Chlorothalonil and other actives, and comparing their production tells a revealing story. Strobilurin fungicides, for example, need more stringent synthesis regimes and expensive starting materials, making their availability sensitive to both supply chain stress and global patent litigation. On the contrary, Chlorothalonil leverages established synthesis methods with refined solvent recovery and waste mitigation steps, streamlining both cost and scale. While some fungicides promise systemic action or targeted uptake, Chlorothalonil offers surface adherence and broad pathogen coverage—qualities that matter most in areas of high spore pressure or when mixed-pathogen outbreaks threaten yield in unpredictable climates.
As a manufacturer, regulatory shifts around Chlorothalonil don’t read as mere documentation hurdles; they impact how we invest in process improvements and environmental controls. Regulatory agencies update standards to reflect new toxicology, environmental fate studies, and residue investigations. Years ago, our engineers identified vapor and dust emission points during drying and packaging. In response, we overhauled our scrubber capacity and downstream monitoring to keep emission profiles well below enforced thresholds. Today, with heightened attention on waterway protection and habitat safety, we initiate new effluent management protocols and work with research teams to monitor off-field migration potential.
Many users raise questions about safe re-entry periods, buffer distances, or water solubility data. This direct feedback motivates us to boost our focus on not just technical compliance but also transparency. We consult environmental scientists, invest in analytical equipment, and build out capabilities for trace-level detection—often exceeding minimum legal requirements. These insights anchor our partnerships with local authorities and downstream users, laying the groundwork for clear and honest answers.
Scaling Chlorothalonil production brings packaging practicalities into sharp focus. From our end, even a minor flaw in drum seals or liner materials can set the stage for future product issues. Real-world temperature swings during warehousing stress packaging integrity, and close partnerships with industrial designers have led to solutions that prevent caking and moisture ingress. We test layered barriers, anti-static liners, and new valving systems, tracking how they perform through each segment of logistics. Where failures appear—be it in clumped powder, hard cakes, or damaged pallets—our teams loop those lessons back to process tweaks and secondary packaging trials.
Some growers complain about hard-to-open packaging or powder that clings to the sides of containers. These touchpoints drive us to re-examine filling speeds, air purge systems, and labeling formats, producing incremental improvements batch by batch. Over years of feedback, we’ve moved from generic drums to containers that match both farm-scale and industrial-blender requirements—anticipating everything from forklift handling in a warehouse to one-person operations at a rural application site.
Direct conversations with growers, agronomists, and supply chain partners shape every change in our manufacturing protocols. Field trials, conducted side-by-side with farmers, provide details on application intervals, disease control under adverse conditions, and observed phytotoxicity. These hands-on reports, more than abstract laboratory assays, reveal the core factors that influence whether a fungicide program succeeds season after season. For example, in high-humidity regions, our technical teams receive requests for finer grind properties to prevent nozzle blockages and ensure even spray distribution. In arid zones, product flowability and resistance to caking take priority.
Our on-the-ground support never stops at technical advice. If a lot underperforms, we track every stage in its production history—from raw starting material checks, through synthesis parameters, down to the particular packaging run. These deep investigations help uncover root causes, whether a shift in supplier specification or a minor tank cleaning oversight. Lessons from these episodes ripple through our organization, setting stricter internal controls or driving collaborative research into next-generation dispersants or adjuvants.
Years of engagement with Chlorothalonil production have honed our focus on adaptability. New fungal threats, erratic weather, and shifting crop choices change the fungicide landscape each year. We regularly evaluate process upgrades, scale-adjustments, and ingredient substitutions—prioritizing solutions that last across cropping cycles, climate shifts, and evolving international standards. Our product stewardship teams, who train users in safe handling and best-in-class application, relay user concerns back to our chemical engineers, shaping every improvement initiative.
Sometimes, new data sparks a full scale pilot. In the past, we launched small test-batch runs with tweaks to milling conditions or binder inclusion rates based on user experience in the field. These pilots resemble a feedback loop, driven by outcomes, not just initial product concept. Failures in the pilot batches steer us toward stronger, more robust solutions; successes pave the way for full-scale implementation. This practical, user-oriented approach defines our ethos as manufacturers who shape real-world outcomes—not just sales volumes or short-term gains.
Our work in chemical manufacturing exists in a web of collaboration. Direct partnerships with equipment suppliers, raw material vendors, and academic researchers help us anticipate fresh challenges. Conferences and working groups connect us with regulators, competitors, and innovators from across the globe. These forums often spotlight emerging trends in disease management, residue analytics, and environmental best practices. We draw insights from peer-reviewed studies and direct on-farm research, letting evidence—not just market preference—guide our process choices and investments.
Open dialogue with allied industries—seed developers, fertilizer producers, irrigation technologists—deepens our understanding of how Chlorothalonil interacts across integrated management platforms. These insights feed back into formulation and quality tweaks, giving us an edge in anticipating crop safety interactions, mix compatibility, and on-plant persistence. By grounding our decisions in shared knowledge, we help growers meet rising standards and adapt field practices with confidence.
The realities of Chlorothalonil production go beyond the synthesis lab and into the daily safety of every operator. Our manufacturing lines run continuous safety drills, toxicology briefings, and exposure monitoring. Worker training goes beyond rote learning—teams take part in real-world simulations and joint improvement sessions, surfacing hidden hazards and correcting them before problems escalate. Our engineers review equipment selections regularly, upgrading ventilation systems, automated dosing units, and spill mitigation gear. Across every site, we invest in personal protective equipment and remote data monitoring, showing that worker health is fundamental—not a regulatory afterthought.
User-focused education extends into the field. Our support staff trains farm-scale and commercial applicators, emphasizing practical safety steps and tailored solutions. By facing real accident case studies and mixing-site scenarios, applicators gain confidence in risk management—in turn, these insights cycle back into our packing and labeling updates. Worker experience becomes a central input in our improvement plans, not just an item in compliance checklists.
Large-scale chemical manufacturing generates effluent streams, dust emissions, and by-product loads that affect both plant workers and neighboring communities. Our manufacturing ethos includes continual investment in waste capture, emission reduction, and energy-efficient operation. Facility-wide audits uncover opportunities to upgrade filtering media, adjust solvent reclamation, and repurpose waste by-products. Trials with closed-loop water systems and on-site bioreactor pilots push us toward higher recovery yields and smaller environmental footprints.
We work directly with environmental testing firms to measure emission loads not just at the plant boundary, but through the entire delivery and storage chain. As new data appears about the persistence and breakdown of active ingredients, we update our recovery and containment strategies. Responsible stewardship means taking accountability for every step—learning from limitations and seeking better outcomes each season. Our experience has shown that open communication, process transparency, and willingness to invest in cleaner technology underpin a sustainable future for our products and those who depend on them.
Years of manufacturing Chlorothalonil have taught us that consistent quality, safety, and performance only emerge when producers keep listening, learning, and innovating. As climates change and disease pressures multiply, crop protection solutions must keep pace. Our research teams pilot new active ingredient blends, explore microencapsulation for improved leaf adhesion, and test bio-based additives for performance enhancement. Direct investment in molecular research and application science keeps our product family adaptive and relevant, reflecting what growers need for the years ahead.
We see Chlorothalonil’s story as far from finished. Every growing season brings new variables, new user insight, and new regulatory benchmarks. With deep roots in chemical engineering and open dialogue with our partners, we remain committed to shaping a future where solutions begin not in the boardroom, but in the lab, the field, and the lived experience of those who feed the world.