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HS Code |
437298 |
| Chemical Name | Fenclorim |
| Cas Number | 52836-31-4 |
| Molecular Formula | C10H7Cl2NO |
| Molecular Weight | 228.08 g/mol |
| Appearance | White to off-white crystalline solid |
| Melting Point | 137-140°C |
| Solubility In Water | Low |
| Logp | 3.4 |
| Usage | Herbicide safener |
| Mode Of Action | Protects crops from herbicide damage |
| Iupac Name | 4,6-dichloro-2-phenylpyrimidine |
| Stability | Stable under normal conditions |
| Storage Temperature | Store in a cool, dry place |
As an accredited Fenclorim factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Fenclorim features a sealed 1 kg white HDPE bottle with a secure screw cap and hazard warning labels. |
| Shipping | Fenclorim should be shipped in tightly sealed containers, clearly labeled, and compliant with international transport regulations for chemicals. Protect from moisture, heat, and direct sunlight. Handle with care to avoid spills. Ensure containers are upright and stored in a well-ventilated area during transit. Follow all safety guidelines and documentation requirements. |
| Storage | Fenclorim should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizers. Keep it protected from moisture and direct sunlight. Storage rooms should be secure and designated for chemicals, with proper labelling and appropriate safety precautions to prevent leaks, spills, or accidental exposure. |
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Purity 98%: Fenclorim with 98% purity is used in pre-emergence herbicide formulations, where it enhances crop selectivity by protecting seedlings from herbicide injury. Melting point 124°C: Fenclorim with a melting point of 124°C is used in rice crop protection, where thermal stability ensures consistent field performance. Particle size <10 μm: Fenclorim with particle size under 10 μm is used in seed coating applications, where it provides uniform distribution and effective herbicide safening. Stability at pH 7: Fenclorim stable at pH 7 is used in aqueous suspension concentrates, where it maintains efficacy during storage and application. Solubility in acetone 35 g/L: Fenclorim with solubility of 35 g/L in acetone is used in formulation processes, where it enables efficient blending and processing of herbicide products. Moisture content ≤0.5%: Fenclorim with moisture content below 0.5% is used in granule formulations, where low hygroscopicity prevents product caking and ensures shelf stability. Viscosity 20 mPa·s (solution): Fenclorim with a viscosity of 20 mPa·s in solution is used in liquid suspension, where it ensures homogeneous mixing and application uniformity. UV stability up to 300 W/m²: Fenclorim with UV stability up to 300 W/m² is used in outdoor field applications, where resistance to photodegradation prolongs its protective action on crops. Molecular weight 218.67 g/mol: Fenclorim with a molecular weight of 218.67 g/mol is used in herbicide tank mixes, where accurate dosing optimizes crop safety without phytotoxicity. Residual activity 14 days: Fenclorim with a residual activity period of 14 days is used in rice paddies, where it provides sustained seedling protection during early crop development. |
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Chemistry in agriculture often stays in the background, but a product like Fenclorim points to how the right innovations encourage better crop management without adding more headaches. Fenclorim stands out as a crop safener engineered to give cereal growers more flexibility, especially in areas where pre-emergent herbicides like metolachlor risk damaging young wheat and rice. These days, weather patterns shift, soils change, and farming methods advance, so products that reliably shield seedlings help farmers avoid unnecessary yield losses. What sets Fenclorim apart? For one, its chemical structure—3,4-dichloro-5,6-dimethyl-2-phenylpyridazine—was intentionally designed so it blocks injury from specific herbicides but doesn’t itself act as a weed killer. So, it lets main crops thrive while weeds face the full strength of herbicidal control. My years on a research team reminded me that not all plant protectants behave this predictably, and Fenclorim carves out its own territory by being both effective and straightforward to use.
Many growers remember the frustration of applying powerful herbicides and watching crops struggle, even when they're following label instructions. Fenclorim made inroads because it changes how selectivity works—wheat and rice pick up a protective benefit, sidestepping the collateral damage that older chemistries sometimes caused. This matters most under tough growing conditions; think about areas with intermittent rain, soil types varying quarter by quarter, or years where a late frost stresses seedlings. Fenclorim bridges the gap, letting the herbicide knock down the weeds but keeping crop roots safe. It isn’t chasing the latest trend in seed coatings or micro-encapsulation; the focus stays on real-world reliability and field-ready results. Unlike other products marketed as “herbicide antidotes,” Fenclorim ties its reputation to decades of university studies and in-field feedback, both in Asia’s rice paddies and the broad wheat fields of Europe.
Understanding how Fenclorim behaves starts with seeing it at work in soil. Instead of acting directly on weeds, Fenclorim sets off a response inside cereal crops. My past visits to test plots in the Mississippi Delta and Guangdong rice farms taught me that crops “activate” their own defenses when Fenclorim is applied. The safener speeds up the plant’s natural detoxification pathways—basically, enzymes and other defense compounds handle incoming herbicide molecules before damage builds. You can think of Fenclorim as coaching the crop to prepare for a tough opponent, not stepping into the ring itself. Facts back this up: researchers found higher levels of glutathione transferase in rice treated with Fenclorim, while untreated plants suffered yellowing and stunted roots under identical herbicide rates. The science matches what many growers report—a health boost, even where herbicides lean toward the strong side.
What about mixing and application? Fenclorim’s solid formulation pours easily into spray tanks and mixes well with both water and common solvents. In my own hands-on experience, I never found it caused gumming or clogged filters—something that can’t be said for all crop protectants. Typical rates run from 200 to 400 grams per hectare, though some specialized seed treatments use lower doses. Fenclorim allows tank-mixing with a range of pre-emergent herbicides, so long as users respect the timing window. This flexibility keeps growers from over-complicating their regimes; it reflects trust that a product will work as part of a bigger picture, not just in isolation. In drier soils or areas prone to hard pans, Fenclorim consistently steps up—supporting vigorous root systems while giving herbicides a free hand against weeds.
Chemistry keeps evolving. You’ll find a handful of other safeners—like benoxacor or dichlormid—that promise protection for maize and some broadleaf crops. Fenclorim’s signature lies in its performance for cereal grains, particularly wheat and rice, where many alternatives offer limited or uneven results. From conversations with growers and agronomists, the feedback often centers on predictability: Fenclorim rarely causes delayed growth in seedlings, nor does it leave residues that trouble following crops in a rotation. In contrast, older safeners sometimes built up in clay soils or broke down too quickly in sandy fields, leading to inconsistent protection. Fenclorim keeps problems low thanks to its moderate persistence and quick plant absorption—a chemical balance that’s tough to engineer, but well worth the effort.
Side-by-side trials across Europe and Asia document Fenclorim’s strengths in both rice and wheat. In Italy’s Po River Valley, Fenclorim’s addition boosted rice yields by up to 18% against fields treated with herbicide alone. Similar benefits show up in the Punjab, with wheat stands recovering faster after unseasonal rain. Other safeners sometimes require a narrow timing window or exact soil moisture levels, while Fenclorim offers more leeway. This ease is valuable when fields are large, labor is tight, and weather throws curveballs. Fenclorim supports good stewardship—less replanting, fewer stunted patches, and less guesswork during herbicide selection. For mixed farming operations, that reliability makes a practical difference.
Talking about crop chemistry without discussing safety would be missing the point. Field experience pairs with data from regulatory bodies around the world: Fenclorim demonstrates low toxicity to mammals, aquatic organisms, and soil microflora when applied as directed. This safety record explains Fenclorim’s approval in countries with strict food and labor regulations—Japan, South Korea, most of the EU, among others. Workers handling Fenclorim-treated crops report little irritation and no notable chronic health effects. In my years shadowing research groups during application seasons, I saw safety officers favor Fenclorim because it doesn’t raise the same handling flags as some “legacy” safeners.
Environmental persistence plays into the public trust equation. Fenclorim does not accumulate in soil or leach significantly into groundwater. Field monitoring in France and Australia shows that Fenclorim breaks down quickly—typically within one to two months—leaving only minor traces in stubble or runoff. In river catchments sensitive to chemical input, this trait reduces risks to aquatic food webs and non-target plants. Fenclorim’s performance does not require biocides, extra tank buffers, or special stewardship plans. Its clean environmental footprint invites confidence from both farmers and rural communities. I’ve watched local farmers’ committees in Thailand and Spain lobby for Fenclorim’s inclusion because it cuts down risk when compared to older, more mobile chemicals.
Despite all these positives, getting Fenclorim onto fields comes with its own hurdles. In some regions, distribution chains lag behind growers’ needs. My own outreach work made clear that not every rural dealer stocks Fenclorim, especially during peak sowing season. Changing this will depend on better coordination between manufacturers, seed companies, and local agronomists. Where demo plots run, early adopters usually drive word-of-mouth, and fellow farmers see the value for themselves. Extension agents can help by providing clear mixing guides and practical safety advice—too often, the gap between research trials and farm-scale use leaves users guessing.
Cost can act as a stumbling block too. Fenclorim rarely makes up more than 5 percent of the crop protection budget, but in tight years or marginal provinces, every cent counts. Some regional authorities in China and Eastern Europe experimented with rebates to support safener use, tying adoption to stewardship outcomes like lower herbicide drift or reduced replanting rates. This approach links Fenclorim to bigger sustainability goals, making its adoption part of an integrated approach rather than a stand-alone cost. Insurers and banks could do their part: by recognizing reduced crop risk, they support wider Fenclorim use and help de-risk investments for new users.
One barrier that comes up often—especially in less mechanized regions—is the challenge of correct, uniform application. Fenclorim delivers maximum results only when farmers calibrate sprayers and distribute the product evenly. Training and simple guidance do more than glossy brochures. During farm trials I ran in South America, neighbor-to-neighbor workshops achieved better outcomes than any formal extension program. Fenclorim fits best where it’s included in early crop planning, not as a rescue after injury occurs. Encouraging groups to pool equipment, share best practices, and monitor results in real time builds local confidence that new chemistry can add value with fewer mistakes.
For those skeptical about chemicals in farming, Fenclorim opens an avenue to smarter stewardship. Instead of increasing herbicide rates or switching to newer, unproven molecules, Fenclorim lets farmers lean on reliable chemistry without pushing crops to their limit. Most of the growers I’ve met care about soil health, groundwater, and the well-being of their families as much as next year’s yields. Fenclorim’s modest environmental impact, when matched to careful herbicide use, answers demands for crop protection that doesn’t come at the planet’s expense. Rotational farming systems benefit too—by breaking weed cycles with less stress on main crops, Fenclorim supports better rotations and fewer cases of herbicide resistance.
Innovation often stays invisible in a crowded seed bag or chemical shed, and Fenclorim keeps a low profile compared to high-profile GMO traits or drone spraying tech. That said, its contributions stack up over time: safer crop establishment, fewer stand losses, and healthier yields translate directly into more predictable income. Cooperative farms and family growers alike use Fenclorim not because marketers shout the loudest, but because results on the ground speak for themselves. Universities running long-term cereal studies give Fenclorim strong marks, and extension groups use its story as a case study for science-driven farm management. This mix of lived experience and scientific backing is exactly what E-E-A-T principles in agricultural reporting ask for—evidence, expertise, and accountability in service of those who feed us all.
Confusion sometimes pops up around mixing intervals or safe limits, especially with more complex herbicide stacks. Fenclorim’s developers and public-sector researchers need to keep demystifying these points. Standardizing label information, offering digital decision support tools, and creating field diaries for growers all help bridge the knowledge gap. My consulting work on adoption barriers consistently turned up one truth: technologies only work when people feel equipped to use them without second-guessing every step. Reliable data, coupled with quick local support, keeps Fenclorim’s story a positive one in both new and established production regions.
What does the future hold for Fenclorim? With global grain demand climbing and climate uncertainty mounting, products that protect without polluting or complicating life on the farm will likely only grow in importance. Fenclorim sits at the intersection of proven chemistry and on-farm trust. Over the years, as stewardship plans and digital monitoring become more common, Fenclorim will probably anchor a lot of pre-emergent herbicide programs on cereals. There’s growing interest in expanding its use beyond rice and wheat—for instance, barley and triticale, where similar herbicide injury risks show up.
From my professional and personal lens, smart solutions stay close to the needs of real farms. Fenclorim isn’t about doing more, but about doing better—supporting those who work the soil with safeguards that let nature and chemistry find a common ground. For regulators, Fenclorim raises fewer red flags; for families, it eases stress at critical planting windows; for communities, it keeps food production strong without undermining water, wildlife, or soil quality. New technology will always draw excitement, but time-tested products with transparent science and practical value deserve a prime place in the agriculture toolkit. Fenclorim earns its reputation not from hype, but from a consistent record of helping growers meet old and new challenges alike. That’s the kind of chemistry agriculture needs today—and tomorrow.