Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
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Chlorimuron

    • Product Name Chlorimuron
    • Alias Classic
    • Einecs 262-989-3
    • 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

    838261

    Chemical Name Chlorimuron-ethyl
    Cas Number 90982-32-4
    Molecular Formula C15H15ClN4O6S
    Molecular Weight 414.82 g/mol
    Appearance Off-white to beige crystalline solid
    Solubility In Water 12 mg/L at 25°C
    Mode Of Action ALS (acetolactate synthase) inhibitor
    Usage Herbicide for soybeans and other crops
    Toxicity Low toxicity to mammals
    Application Method Post-emergence foliar spray
    Environmental Persistence Moderate; degrades under field conditions
    Common Trade Names Classic, Glean, others

    As an accredited Chlorimuron factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Chlorimuron packaging features a sturdy 500g white plastic bottle with a green label, clear usage instructions, and manufacturer details prominently displayed.
    Shipping Chlorimuron should be shipped in accordance with local, national, and international regulations for hazardous chemicals. It must be stored in tightly sealed, labeled containers to prevent leaks or contamination, handled with appropriate personal protective equipment (PPE), and kept away from food, feed, and incompatible substances. Avoid extreme temperatures and direct sunlight during transit.
    Storage Chlorimuron should be stored in a cool, dry, and well-ventilated area away from direct sunlight, heat sources, and incompatible materials such as strong acids or bases. Keep the container tightly closed when not in use. Store in original, labeled containers to prevent contamination. Avoid exposure to moisture, and ensure storage areas are secure to prevent unauthorized access or environmental release.
    Application of Chlorimuron

    Applications of Chlorimuron in Industrial Manufacturing

    Chlorimuron serves as a specialist active ingredient for selective broadleaf weed control and legume trait development within the agrochemical value chain. As a sulfonylurea herbicide, it supports agricultural productivity and innovation in regulated crop systems, across several distinct industrial application domains.

    1. Herbicide Formulation for Soybean Cultivation

    Major crop protection manufacturers integrate chlorimuron into pre-mixed and granular herbicide products specifically targeting soybean fields. Producers rely on its post-emergence activity against a wide spectrum of broadleaf weeds, supporting crop yield integrity without damaging legumes. Formulators control uniformity of dispersal and biological stability through specific surfactants, dispersants, and controlled-release granule substrates. End users—large-scale farm operators—can maintain minimum tillage practices by selecting these advanced blends, improving efficiency across diverse agro-climatic zones.

    Industry compliance standards

    • GB 20810-2006 (Chinese national herbicide standards)
    • OECD Guidelines for the Testing of Chemicals
    • FAO/WHO International Code of Conduct on Pesticide Management
    • EPA 40 CFR Part 180—Tolerance regulations for residues in soybeans (US)

    Typical usage ratio

    • 5–40 grams active ingredient per hectare depending on weed spectrum
    • Adjustments based on specific regional resistance patterns and soil conditions
    • Concentration within multi-active blends: commonly 2%–15% chlorimuron by weight
    • Mixing rate adapted for tank mix or granular dispersal formulation

    Downstream process integration

    • Pre-mixing with inert carriers and dispersing agents in batch reactors
    • Particle size reduction for wettable powders via jet milling
    • Encapsulation within controlled-release matrices using extrusion systems
    • Final blending and packaging under validated QA procedures

    Final product types

    • Water-dispersible granules (WDG) for field application
    • Wettable powder concentrates
    • Pre-packaged blends with supporting actives (e.g., thifensulfuron, imazethapyr)
    • Custom bulk solutions for agricultural contracting businesses

    2. Residual Weed Control Solutions in Rice Farming

    Rice-growing regions with high weed pressure employ chlorimuron-based herbicides for residual activity in paddy cultivation. Integrated as a component in multi-active suspensions, the material delivers effective and selective weed suppression during early crop stages. Formulation teams address issues of chemical leaching and variable field flooding by optimizing suspension stability, adherence agents, and site-specific application systems. Continuous field monitoring verifies target spectrum and ensures minimal crop phytotoxicity under diverse climatic conditions.

    Industry compliance standards

    • GB/T 16008-2019 (Technical specifications for herbicides in rice)
    • National Food Safety Standards for maximum residue limits (China: GB 2763)
    • Japan Ministry of Agriculture, Forestry and Fisheries (MAFF) pesticide standards
    • European Council Regulation (EC) No 396/2005—MRLs in cereals

    Typical usage ratio

    • 10–30 g/ha active ingredient, tailored to weed sensitivity and rice varietal tolerance
    • 3%–9% content in liquid suspension concentrates
    • Adjusted to local regulatory limits for active per hectare
    • Custom batch sizes for mechanized paddy sprayers

    Downstream process integration

    • Homogenization with stabilizers and wetting agents in high-shear mixers
    • Pre-blending with clay carriers for granule formation
    • Packaging into pre-dosed sachets or bulk tanks for commercial growers
    • Regular in-process QA for dispersibility and active content uniformity

    Final product types

    • Suspension concentrates for direct paddy spraying
    • Granular ready-to-apply packages for water-seeded rice
    • Multi-mode action combinations with bensulfuron-methyl
    • Export-grade formulations designated for large-scale rice producers

    3. Non-Crop Industrial Vegetation Management

    Utility companies and infrastructure maintenance contractors require effective solutions for vegetative control along rights-of-way, railways, substations, and uncultivated lands. Chlorimuron is formulated as a long-acting herbicide within these vegetation management systems, sometimes combined with imazapyr or metsulfuron for enhanced spectrum. Process engineers design stable liquid dispersions and granules for large-scale, automated application. Emphasis is placed on safety, environmental migration control, and compliance with utility corridor management standards.

    Industry compliance standards

    • ANSI A300 Part 7—Integrated vegetation management practices
    • EPA 40 CFR Part 170—Worker protection standards
    • REACH Regulation (EC) No 1907/2006 for hazardous preparations
    • US DOT Hazardous Material Regulations for bulk shipping

    Typical usage ratio

    • 20–50 g/ha depending on target vegetation and site characteristics
    • Product composition: usually 5%–12% chlorimuron by weight in herbicidal blends
    • Adjusted for soil adsorption and expected precipitation
    • Bulk mixers provided for utility service contractors

    Downstream process integration

    • Automated blending with adjuvants and drift control agents
    • Granulation and dust suppression for air-assisted spreaders
    • Preparation of long-term inventory packs for seasonal use
    • Lab-based residue analysis to support field traceability

    Final product types

    • Herbicidal wettable granules for broadcast application
    • Tank mix concentrates for large-capacity spraying systems
    • Industrial vegetation suppression kits for rail, highway, and airport perimeters
    • Packaged solutions designed for government agency use

    4. Seed Trait Screening in Agricultural Biotechnology

    Seed trait research and biotechnology companies use chlorimuron within non-glyphosate tolerance screening protocols for legume and non-legume crop improvement. Precision application of the chemical distinguishes genetically-modified cultivars during early-stage propagation. Research-grade purification and custom-batch concentration ensure consistent dosing during greenhouse and field simulation experiments. Analytical support is provided for residue quantification and trait expression validation.

    Industry compliance standards

    • OECD Consensus Document on Herbicide Tolerance in Plants
    • ISO/IEC 17025 Laboratory Testing Accreditation
    • USDA-APHIS Regulatory Guidance for Plant-Incorporated Protectants
    • GLP (Good Laboratory Practice) for agricultural research materials

    Typical usage ratio

    • 1–10 mg/L in hydroponic or substrate-based selective screening protocols
    • Seed application: typically 0.1%–0.5% by seed weight in test lots
    • Stock solution prepared to analytical standards for reproducibility
    • Dosing carefully monitored for isolating transformed plantlets versus controls

    Downstream process integration

    • Dissolution in analytical-grade solvents for laboratory seed treatment
    • Direct application to cultivation trays during pheno-typing assays
    • Incorporation into field screening blocks for advanced breeding programs
    • Use documented under traceable batch and experiment records

    Final product types

    • Seed trait assay kits for research use only (RUO)
    • Specialized media for selective germination of modified plants
    • Pre-dosed substrate packages for biotech research institutions
    • Registered trait screening blends for agri-biotech partners
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    Certification & Compliance
    More Introduction

    Chlorimuron: Experience from the Manufacturer’s Floor

    Understanding the Product

    Within our production lines, Chlorimuron stands out for more than its chemistry. We know people ask about specification sheets and technical certainties, but it’s our daily handling where this herbicide makes its impact clear. Over years, we’ve optimized our model ST-75 for consistency. From the pale fine powder pouring out of reactors to the gentle scent it gives off across our drying rooms, it’s never felt like just another batch. In practice, the purity levels—often verified between 97% and 98%—are not only a number but a fingerprint that influences performance out in the field.

    In our workrooms, safe handling of this active ingredient is always a focus. The particles tend to disperse quickly, so dust control and filtration equipment become essential parts of every shift. Clean room protocols aren't there for show; the product responds best with minimal contamination, ensuring growers get what they expect. Our experience suggests that while other sulfonylureas can clog a filter or turn clumpy with a slight humidity swing, the batches of Chlorimuron synthesized here stay free-flowing—a result of disciplined solvent recovery and steady atmospheric controls.

    Usage in the Field

    Most of our customers apply Chlorimuron to control broadleaf weeds in soybean crops. From the manufacturing side, we see the demands for different granule sizes or wettable powders, but in the end, our practices shape a technical grade with high dispersibility for mixing tanks. When tested, the suspension quality gives a reliable spray with minimal clogging. Over time, feedback from operators has sharpened our focus on blend uniformity and particle size control throughout the drying phase.

    Nothing tests a batch like a real field trial. We’ve watched over the shoulders of agronomists who report on weed control spectrum. They confirm the benefit of this molecule against a challenging cocktail of thistles, morning glory, and pigweed. Lower application rates have always been a talking point—there’s simply less volume needed compared to the older chemistry. After years of measuring residues, we have learned which adjuvants work best and calibrated our process to keep impurities low. This attention means fewer issues at the sprayer, smoother tank mixing, and ultimately better weed control outcomes.

    How We Measure Quality

    Quality assurance at our plant depends on much more than dust-free lab coats and sterile benches. Each batch of Chlorimuron goes through repeated crystallization and drying until our in-house team sees the right color, density, and flow. Years ago, small traces of solvents could delay a batch, but our improvements in solvent recycling tightened up this part of the workflow. Routine sampling, both by hand and automated pipettes, keeps the numbers true.

    We compare every shipment—not just to national standards, but to the last one out the door. Field performance reports come back to us, and the lessons never stop. We saw in one growing season that a slight shift in pH during granulation affected not only flow but storage stability. Quick adjustments to our process brought the numbers back to spec. Harvest reports told us the rest, confirming that the attention at the manufacturing step gave better control later in the chain.

    From the Reactor to Real Results

    Watching the raw materials transform into Chlorimuron in the reactor, it’s clear there’s little room for shortcuts. Continual reaction temperature monitoring and dedicated cooling stages ensure consistent output. Subtle tweaks to mixing speed and reagent quality in the early steps can affect yield and purity downstream, something that’s become second nature to us. While some outside eyes see a standard job, those daily calibrations mean fewer production surprises and a reliable product—batch after batch.

    By the time our QA team runs HPLC (high-performance liquid chromatography) checks, most issues have been addressed upstream. Occasional deviations show up in the records, but by investing in workforce training and listening to feedback from both the floor and the field, we've steadily improved reproducibility. Our ongoing collaboration with agronomists and direct end users helps us track long-term herbicidal activity and see if any formulation tweaks are paying off. No single variable tells the full story—solubility, granule hardness, and impurity profile all count. Each finding gets noted and carried forward for the next production run.

    Direct Comparisons: Chlorimuron vs. Other Actives

    After years of producing Chlorimuron and other herbicides, the differences are practical and more than just chemical structure. From our side, the actual ease of handleability sets Chlorimuron apart. Moister air in the warehouse can spell disaster for generic sulfonylureas, but with our Chlorimuron batches, the caking risk almost disappears. Our workers prefer loading this product—it pours more smoothly and rarely clogs.

    Once our offsite customers get the drums, they notice the difference too. We hear from field mixers and sprayer operators who say the product rinses out of tanks with little leftover residue. Worker safety isn’t just a regulatory checkbox; the lower dust levels observed with our well-controlled batches reduce worries about inhalation. Also, our Chlorimuron has shown better long-term stability during field storage—even after several freeze and thaw cycles it keeps its dispersion quality and does not aggregate, making it more reliable in seasonal extremes.

    Listening to Growers, Shaping the Product

    The story of Chlorimuron at our plant is one built not just from raw materials, but conversations. Whether at crowded trade fairs, during a quiet afternoon site visit, or phone calls from far-off partners, the feedback that matters most comes direct from growers and applicators. Every cropping season, we get updates on real progress in local fields. Soybean growers often mention the strong post-emergent control without troublesome crop injury, which matters a great deal on tight margins. After several cycles, it’s obvious: the product rarely “burns” crops or causes yellowing, as sometimes reported with older products.

    A local grower once called us after a long rainfall spell. He wanted to know about timing for reapplication and possible crop safety. By bringing his concerns back to our formulation lab, our team adjusted the inert system to give a little more rainfastness, without compromising solubility. Subtle tuning of the inert carrier paid off the following year; the grower reported stronger results even after unpredictable spring storms. That cycle of feedback and small tweaks is what keeps our process moving forward.

    In a broader sense, Chlorimuron’s compatibility means less juggling of tank-mix partners—which growers appreciate during the busiest season. We’ve invested in field trials that compare different application timings and mix partners side-by-side. That ground truth makes it into the next round of production design, allowing us to offer something that fits seamlessly into real-world farm schedules.

    Handling Crop Rotation and Residue Concerns

    It’s easy to list technical features, but the real labor comes after harvest when growers start planning for next year’s rotation. The challenge of carryover from residual herbicides has shaped part of our technical support. Chlorimuron’s shorter soil persistence relative to certain legacy actives matters for those aiming for a corn-soy-wheat rotation. Our plant teams have studied leaching and degradation profiles in a variety of soils. These numbers help growers avoid unexpected setbacks, and we adjust our production to keep trace impurity levels well below critical thresholds.

    Software models in the office only go so far, but back in the fields, growers regularly report predictable breakdown and minimal issues with subsequent plantings. The shorter restriction intervals allow more options for planting other crops with less interruption. Some products we’ve made in the past stayed in the soil much longer—problematic when a bad season forces a quick crop switch. By focusing our process on limiting certain by-products, our batches of Chlorimuron lead to more predictable field outcomes and fewer rotational headaches.

    Resisting Resistance

    Crop protection has changed rapidly. Weed resistance has weighed heavily on both farmers and manufacturers. For us, this challenge means constant vigilance during synthesis and postproduction. We have watched as overuse or improper applications of alternate actives sent resistance issues spiraling. Our experience building high-purity Chlorimuron—where even tiny impurities can shift weed control—gives us a way to help, but also a responsibility. Our teams communicate with agronomists to ensure application instructions stay clear and practical.

    We work with local agronomy groups to support resistance management through coordinated field data collection. Historical records from past seasons show spots where resistance starts to develop. Collaboration with these partners taught us early on: rotating crop protection tools and tailoring use patterns is the only sustainable approach. Chlorimuron supports rotation strategies, and the purity control we’ve established makes each batch a reliable part of the plan, not an unexpected wildcard.

    An honest approach to resistance means talking about limitations, too. No single product solves every problem, and Chlorimuron is no exception. As manufacturing experience deepens, so does our commitment to support training for proper rotation, tank mixing, and maximum field longevity. Building on grower and applicator feedback keeps us moving toward more nuanced solutions.

    Meeting Standards, Going Beyond Compliance

    Producing chemicals is only partly about hitting specification numbers. Since the earliest production runs, we learned that regulatory compliance moves fast. Our facility audits are regular, but our approach goes past checklists. Each batch gets full traceability—down to which shift leader signed off on the QA data and which reactor handled the lot. We maintain open discussion with auditors and supply chain partners to catch small deviations before they cause market problems.

    As rules on impurities and worker safety have tightened, our teams responded by upgrading containment and real-time monitoring. Solvent recovery lines and air quality sensors help cut exposure and waste. Keeping these improvements integrated matters—each process change shows up in our people’s daily routines. Shortcuts on ventilation or pressure control lead to downtime, so maintaining these systems is more than a cost; it protects the people whose expertise drives our product quality.

    Facing Supply Chain and Market Pressure

    Across recent years, raw material constraints have shaped our focus on efficiency and risk management. Each supply spike teaches us about substitution—to a point—but not every alternative material works for Chlorimuron. We built partnerships years ago that support reliable sourcing and reduce batch-to-batch variability. This reduces shutdown days and lets us focus on gradual improvements rather than crisis management.

    Market shifts have put pressure on pricing and delivery terms. The real test comes not from desk spreadsheets but from the faces of our production crew and feedback from loyal customers. By prioritizing steady quality and transparent communication, we’ve kept disruptions manageable. Our customers want clarity and reliability, not apologies. And they judge us every season with repeat orders or new inquiries.

    Adjusting batch sizes and shipping strategies came from direct observation. Week-by-week planning, daily reviews of inventory health, and frequent talks with exporters and logistics partners built a more responsive delivery system—one that knows the difference between a missed planting window and a small shipping hiccup. In tough seasons, our willingness to hold strategic reserves rather than chase every new trend has paid off for longtime partners.

    Continuous Improvement, Season after Season

    Improvement is our way of seeing the process, not just meeting a standard. Each year, we analyze batch records and gather field feedback to find new adjustments. We sample earlier at critical steps, update mixers for more precision, and refresh worker training so new staff learn not only safety but the small details that keep output steady. Every suggestion—from a shift operator, a QA scientist, or a grower—is logged and considered for the next update.

    Several cycles ago, a line operator pointed out that changing the charging sequence reduced foaming in the reactors and led to better yields in subsequent crystallization. That change, tested over a dozen runs, made it to standard practice. Another example involved packing; after repeated reports of minor dust escaping from containers, we trialed high-strength liners, balancing durability with worker ease and successfully cutting dust events nearly to zero.

    What Sets Chlorimuron Apart Here

    People ask what makes Chlorimuron from our facility unique. Our answer comes back to experience. We didn’t arrive at current procedures overnight. The mixture of long-tenured plant staff and new technical graduates ensures each run blends know-how with fresh perspective. Feedback keeps quality at the center. Each minor batch deviation, each off-spec particle, gets real attention—sometimes the solution is process automation, sometimes it’s hands-on troubleshooting.

    Farmers recognize the difference, too. When a grower in the Midwest calls us at the close of a busy harvest to talk about next year’s plans, or sends a photo of healthy soybean rows after a challenging spring, it’s a reminder of why attention to detail matters. In one instance, a farm manager shared that the seasonal switch to Chlorimuron meant clearing tough weeds on ground where old actives had started to give out. Seeing those clear field edges drives home why each small step in the plant counts.

    The Road Forward: Facing What’s Next

    No product or process stands still. We keep investing in process upgrades and routine worker training. Each new regulation or customer specification provides the next improvement target. Review sessions after each production run catch minor details. We push to digitize more tracking so trends show early, not after a problem arrives at a grower’s field. Every offsite visit or extension call sharpens our understanding, whether it’s about blending properties or in-field results after a tough rainfall. Testing, feedback, and transparency guide the changes ahead.

    For partners who choose Chlorimuron from our facility, the end result isn’t just a drum of product. It’s a product tied to accountability, hands-on experience, and years of collaborative decision making. We trust our process because we live with the consequences of every batch. The cycle of listening, refining, and improving defines our approach—and our commitment continues as each new season puts our work to the test.