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HS Code |
662340 |
| Name | Chlorfenazole |
| Iupac Name | 1-(4-chlorophenoxy)-4-phenylphthalazin-2(1H)-one |
| Formula | C14H11ClN2O |
| Molecular Weight | 258.70 g/mol |
| Cas Number | 120-20-7 |
| Appearance | White to off-white crystalline powder |
| Solubility | Slightly soluble in water |
| Melting Point | 124-126 °C |
| Category | Antifungal agent |
| Atc Code | D01AE21 |
As an accredited Chlorfenazole factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Chlorfenazole is packaged in a 500g white HDPE bottle with a secure screw cap, featuring hazard labels and clear product information. |
| Shipping | Chlorfenazole should be shipped in tightly sealed containers, protected from light and moisture, and labeled according to chemical safety regulations. Transportation must comply with local and international hazardous materials guidelines, ensuring appropriate documentation and handling precautions to prevent spills, exposure, and contamination during transit. Store at controlled room temperature. |
| Storage | Chlorfenazole should be stored in a tightly closed container, in a cool, dry, and well-ventilated area. It must be kept away from incompatible substances such as strong oxidizing agents. Avoid exposure to direct sunlight and moisture. Ensure the storage area is clearly labeled and accessible only to trained personnel, and follow all relevant safety regulations for hazardous chemicals. |
Applications of Chlorfenazole in Industrial ManufacturingAs a specialized manufacturer of chlorfenazole, we supply this active compound for standardized downstream processing across regulated industrial sectors. Years of production experience ensure the material meets stringent quality and traceability demands for targeted formulation. Below, we outline major application fields and process integration details based on actual usage practice. 1. Cereal Crop Fungicide FormulationChlorfenazole remains an established active for crop protection providers producing advanced fungicide concentrates and ready-to-use sprays targeting cereal leaf diseases. It enters formulations primarily for wheat and barley disease management where spectrum activity, rapid assimilation, and environmental compatibility prove essential for field applications. Manufacturers integrate the raw material under controlled environments to maximize shelf stability and field release consistency. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Horticultural Greenhouse Disease Control ProductsProfessional horticulture suppliers use chlorfenazole as a key powder and liquid additive for greenhouse fungal pathogen management, particularly in high-value vegetables and ornamental flower production. Its compatibility with existing IPM (Integrated Pest Management) routines enables growers to fit it into established rotational programs, while targeted dosing supports residue compliance on export crops. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Turf Management Products for Sports GroundsChlorfenazole provides essential active ingredient for turf disease control preparations marketed by lawn and sports ground contractors targeting leaf spot, rusts, and blight on golf courses, stadiums, and high-traffic urban lawns. Precision in material loading and dispersal allows for turf-safe protection, while adherence to product-specific registration files is crucial for public venue usage. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Post-Harvest Protection in Fruit Storage and TransportSpecialist post-harvest treatment facilities introduce chlorfenazole into protective wax coatings and aqueous dips used for harvested apples, citrus, and stone fruits to curb storage rot and maintain export-ready quality. Processors integrate the active under food-spec conditions, responding to residue and wash-off studies and maintaining compliance for international shipments. Precise equipment dosing and final product QC undergird safety and market access. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
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For decades, we’ve devoted our facilities, teams, and investments to the hands-on production and refinement of Chlorfenazole. Drawing from years on the floor and in the lab, we’ve gotten to know this compound inside and out—not from a distance, not through third-party accounts, but through our own batches, successes, and frank troubleshooting. We have seen how real-world conditions shape performance and why small differences in synthesis turn into big differences in reliability. Chlorfenazole’s position in modern chemical toolkits isn’t about buzz—it stems from consistency, insight, and a willingness to address feedback direct from applied researchers and industrial partners.
Chlorfenazole often enters conversations for industries facing persistent fungal threats, especially in agricultural and environmental-management circles. Our production line focuses on a technical grade meant for robust field conditions—where purity, batch-to-batch steadiness, and low impurity profiles matter. Our flagship model under current output holds a minimum assay of 98.5%, deliberately controlling trace residues like related azoles, heavy metals, and moisture. We stabilize packaging to guard against both photodegradation and moisture ingress, so what leaves our site arrives fully active, with no drop-offs hiding in transit or storage.
We’ve taken in plenty of field feedback about how lesser-controlled Chlorfenazole quickly loses its protective punch against pathogens when exposed to humidity swings or poorly maintained transport. From that, we responded by opting for food-grade or high-density polyethylene drums, after testing for migratory leaching and long-term quality in realistic supply-chain scenarios. It’s a choice that cuts packaging short-term costs out of the equation, but we’ve seen that failings here cost far more at the point of use.
People ask about residues, plant health, and environmental impact more now than ever, and feedback doesn’t come only from industrial-scale users—local agronomists, horticulturists, and advanced growers all want confidence in both the effectiveness of their inputs and the stewardship of the producer. Our Chlorfenazole offers a targeted fungicidal profile, showing broad-spectrum activity against several notorious phytopathogenic fungi such as Fusarium oxysporum, Botrytis cinerea, and Alternaria solani. Customers chasing higher yields or improved storage stability in their crops have cited observed reductions in foliar and postharvest infections year over year when using Chlorfenazole sourced from our plant.
Unlike looser formulations or diluted blends, we send out concentrated technical powder or granular forms—no superfluous extenders, no masking of the active ingredient’s potency with unnecessary fillers. The cost per hectare controlled drops as a result, and the window for post-infection curative action stays wider. The clean profile also helps users dial in precise delivery rates, with no hidden variability showing up mid-season to throw off application schedules or resistance management approaches.
Azole chemistry remains the mainstay in many pathogen control programs, and, as actual manufacturers, we appreciate that the market teems with choices. It makes sense for users to scrutinize what separates Chlorfenazole from triazole or imidazole cousins like tebuconazole, propiconazole, or epoxiconazole. The structure of Chlorfenazole, with a chlorine atom at the para-position and a balanced side chain, gives it a moderate vapor pressure, so it persists longer on leaf surfaces without excessive mobility into groundwater. Its systemic uptake isn’t as pronounced as the newest triazoles, which some growers actually prefer if their main concern lies with surface infection and minimal off-target movement.
We’ve had cases where sensitive crops exhibited phytotoxicity with standard azoles; Chlorfenazole has shown a more favorable crop safety profile under comparable test conditions. In greenhouse verification, tomato, bell pepper, and even niche ornamentals with delicate cuticles withstood recommended doses with no foliar burn. The selective mode of action, mainly interfering with ergosterol biosynthesis, retains high activity against pathogens that can quickly adapt to older or broad-spectrum fungicides forced into frequent rotation.
Where knockoff or secondary sources offer lower thresholds on active content, ours stays above 98.5%. The stability curve over time tells its own story: after six months in real-world warehouse settings, we’ve measured the remaining active at no less than 97.9%, with no unexpected crystalline changes or separation. That consistency helps downstream formulators, micronizations, and on-site blenders deliver what their customers expect, too, so the reliability of the base compound ripples outward.
We keep direct channels open to research agronomists and crop scientists, not just procurement professionals. Results from multiple field trials (including cooperative projects outside our own test plots) have reinforced how Chlorfenazole, produced with strict impurity control, translates to fewer resistance escapes and more durable pathogen management across growing seasons. In repeated cereal, orchard fruit, and greenhouse veg trials, the real-world efficacy wasn’t just marginally better—it matched or exceeded legacy azole products over repeated cycles, where failures had grown common due to overused actives or imported intermediates with questionable backgrounds.
As demand has shifted based on emerging regulatory guidelines, especially those tightening allowable residue levels and persistence in groundwater, we’ve devoted significant R&D cycles to demonstrating that Chlorfenazole—produced at our plant—yields residues that fall well below pending thresholds, without requiring a rethink of established dosage rates. This gives large-scale and specialty growers alike room to maneuver in rapidly changing compliance environments.
From a labor perspective, real-world users told us that handling safety and transport restrictions often complicate deployment far more than anticipated by spec sheet writers. Since we maintain full chain-of-custody and can trace each production lot to its raw materials, downstream handlers benefit from precisely documented Certificates of Analysis and batch-test history that stand up to audits and third-party regulatory reviews. This has proven crucial for export-oriented growers and processors who face stringent overseas checkpoints.
One often-overlooked advantage comes in the workability of Chlorfenazole during premixing. Granular forms with consistent particle sizes flow better, cut down on operator exposure, and reduce the all-too-common issues with mixer caking or hopper blockages. This feature extracts directly from roots in our granulation section, where tight production windows and skilled staff avoid shortcuts. Customers facing variable climates, including high humidity or desert-like dryness, have seen the benefit: dust control is easier, and reactivity in tank mixes is highly predictable, based on real performance, not just a promise made in a sales pitch.
Drawing on our record running continuous lots and batch campaigns, we favor incremental improvement over holding to outdated line methods. We regularly adjust processing parameters according to process analytics and firsthand user input. For example, precise control over drying steps in our pipeline led to a measurable drop in fines and airborne particles, appreciated not only by our internal teams but also by precision applicators managing sensitive spray protocols.
Even in supply disruptions or raw-material crunches, we have resisted the urge to source questionable precursors. That decision cost us output at times, but it earned trust, shown by customers who returned season after season, even during market chaos. A solid product stands up to the twin tests of laboratory analysis and practical use, and this weighs heavily in our everyday choices about production priorities.
Growers working in rotational regimes often reach out for direct dialogue about resistance risks when integrating Chlorfenazole alongside longstanding actives. Our advisory team, staffed by chemists and agronomists who’ve handled the product themselves, offer honest planning based on actual resistance-monitoring data. We encourage field-level record-keeping about performance shifts, and those insights flow back into our synthesis tweaks and formulation updates.
Some regions are just now waking up to stricter import regulations and random residue spot checks. We’ve already beefed up our downstream analytics and document control to respond smoothly to batch questions and traceability requests. Instead of promising a one-size-fits-all document, we tailor testing and certification to what each destination and customer scenario really needs. Fewer headaches all around: that’s more valuable to real users than wrapping the product in generic compliance language.
We don’t take shortcuts at the pre-blending, micronizing, or post-packaging steps. Internal audits track rejection rates and rework, but the final judge is always how the compound performs in the field after surviving supply-chain jostling and weather stresses. By focusing on high assay, tight impurity control, and full documentation, we sidestep reputation risks seen in less tightly controlled operations. Customers often share stories about negative results after shifting to lower-cost imports pitched by resellers—they see more batch-to-batch wobble, and field practitioners deal with inconsistent disease suppression and unexplained residue spikes.
Speed in shipping matters, but not at the price of incomplete stabilization or improper curing. Any sign of caking or premature clumping triggers rejection, because we know what happens on the farmer’s end if we let quality standards slide. Our chain-of-custody audits allow every drum and bag to be verified back to its synthesis run, and this blows apart the opacity that too often plagues secondary distribution chains.
People in the field rarely care what the sales literature claims—they care about whether what’s inside the container delivers what the label promises, at a level that stands up not just once, but across seasons and in different climates. Our product’s traceability, direct link to site analytics, and history of mid-cycle true-ups show up in the feedback from satisfied users and regulatory inspectors.
Producing top-quality Chlorfenazole isn’t an exercise in theory or marketing polish—it’s a string of choices made daily on the floor, in the control room, and across procurement and logistics desks. One current challenge is ongoing regulation creep: authorities demand ever-lower impurity levels, new residue limits, and more rigorous toxicity screens. Meeting those means constant reinvestment, staff training, and raw-material scrutiny. We prioritize predictable, documented outcomes over pushing output to the export limit.
Another constant is dealing with the never-ending battle against counterfeit or subpar material entering the global supply chain. We see it all the time: mislabelled drums, re-bagged material, doctored CoAs. We counter this with direct shipment from our production site, embedded QR trace codes on container labels, and periodic post-sale checks in major export destinations. We welcome scrutiny—it weeds out bad actors, builds trust, and cements lasting relationships with honest buyers who value substance.
The feedback loop between our process teams and customer liaisons doesn’t just respond to product failures or complaints. It also spotlights hidden advantages or unexpected efficiencies in practical application. Growers and reps who keep meticulous trial records often uncover application timing windows or tank mix combinations that further boost Chlorfenazole’s real-world returns. We work those findings back into process improvements and adjust product support materials so future users benefit as well.
Our pride in Chlorfenazole comes from what we’ve built, tested, and shipped ourselves, not from reselling someone else’s bulk intermediate. The compound’s reputation has grown because those using it in hands-on roles—growers, crop managers, environmental regulators—see and trust the difference. The reality of agriculture, horticulture, and protected cropping is that products must earn their place every season, facing new pathogens, climate shifts, regulatory surprises, and buyer demands.
We have absorbed direct hits from global disruptions, supply chain snags, and shifting market whims. Each time, the answer circled back to core values: document what you do, keep lines of communication open, and refuse to cut corners. As new green policies and sustainable stewardship programs nudge global players toward more responsible chemistry and traceability, we’re not scrambling to adjust—we’ve already made those choices. That means less stress for the end user, and a clear conscience about what leaves our gate and lands on real-world crops.
Anyone seeking honest dialogue about Chlorfenazole or looking for insight from inside the production process—not just marketing talk—can rely on our experience, unfiltered by middlemen or sales scripts. We take questions, transparency, and ongoing improvement seriously, acting on feedback and criticism alike, because the product’s story is always told by results in the field, not words in a spec sheet.