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Amidosulfuron

    • Product Name Amidosulfuron
    • Alias Grasp
    • Einecs 603-542-7
    • 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

    940762

    Common Name Amidosulfuron
    Chemical Formula C9H15N5O7S2
    Molecular Weight 369.37 g/mol
    Cas Number 120923-37-7
    Iupac Name 1-(4,6-dimethoxypyrimidin-2-yl)-3-(methylsulfonyl)urea
    Appearance White to off-white crystalline solid
    Solubility In Water High (g/L at 20°C: 7.6)
    Mode Of Action Inhibits acetolactate synthase (ALS)
    Usage Selective post-emergence herbicide
    Toxicity To Mammals Low (oral LD50 in rats >5000 mg/kg)

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

    Packing & Storage
    Packing Amidosulfuron is packaged in a sturdy, white 1 kg plastic container with a green label displaying product information and safety warnings.
    Shipping Amidosulfuron should be shipped in accordance with relevant regulations for agrochemicals. Use secure, tightly sealed containers, properly labeled with hazard and handling information. Transport in cool, dry conditions away from incompatible substances. Ensure compliance with local, national, and international regulations regarding hazardous goods to guarantee safety and environmental protection during transit.
    Storage Amidosulfuron should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and incompatible substances (such as acids and oxidizers). Keep the container tightly closed and properly labeled. Store away from food, feed, and water sources, and ensure that only authorized, trained personnel have access to the chemical storage area.
    Application of Amidosulfuron

    Applications of Amidosulfuron in Industrial Manufacturing

    Amidosulfuron serves as a specialized sulfonylurea herbicide with established roles in regulated agricultural and agrochemical manufacturing processes. As an original manufacturer, we supply this raw material to key sectors where residue management, selective phytotoxic effects, and downstream compliance with both international and local standards drive production quality and market access. Below, we detail primary downstream application environments and industrial implementation modes.

    1. Selective Cereal Crop Herbicide Formulation

    In agrochemical preparation plants, amidosulfuron acts as a core ingredient for post-emergence broadleaf weed control products in wheat, barley, and rye. Its sulfuron group chemistry allows low-application formulations effective in temperate cereals, addressing weed resistance concerns under strict residue and labeling controls. Downstream manufacturers integrate precise dosing and analytical verification to align with regional MRLs and export grade controls.

    Industry compliance standards

    • FAO/WHO Joint Meeting on Pesticide Residues (JMPR) recommendations
    • EU Regulation (EC) No 1107/2009 authorizations
    • China GB 2763 Maximum Residue Limits for Pesticides in Food
    • US EPA Tolerances for Residues of Sulfonylureas in Cereal Grains

    Typical usage ratio

    • 5–10 grams active ingredient per hectare in SC or WG formulations, adjusted for local weed spectra and crop sensitivity.

    Downstream process integration

    • Added during aqueous suspension concentrate (SC) homogenization or wet granulation phase for water-dispersible granules (WG).
    • Batch dosage determined after pre-blending inert carriers and wetting agents based on formulation QC titration.

    Final product types

    • Commercial selective cereal herbicides (SC, WG, WP)
    • Pre-packaged solutions for farm cooperatives and contract spraying companies

    2. Sugar Beet Herbicide Production

    Processing plants manufacturing herbicides for sugar beet fields use amidosulfuron for its selectivity profile toward Beta vulgaris, enabling effective suppression of Chenopodium and Galium weed genera. This application demands rigorous traceability and cross-contamination monitoring due to tight residue control in EU and Russian food-grade sugar beet chains. Processors employ gravimetric feeds and residue decay profiling to fine-tune seasonal formulations per agronomic recommendation.

    Industry compliance standards

    • EU Directive 91/414/EEC registration dossiers
    • CODEX Alimentarius MRLs for sugar crops
    • Russian Federation GOST R 51705.1-2001 (herbicides in sugar beet)

    Typical usage ratio

    • 10–15 grams active ingredient per hectare in tank-mix formulations for staged field releases, with adjustment during high weed pressure or local resistance detection.

    Downstream process integration

    • Metered addition at microencapsulation or dispersant stage, using process analytics to confirm particle size and stability.
    • Final QC includes batch screening for dust-off and wettability indicators in flowable formulations.

    Final product types

    • Factory-packed wettable powder and dispersible tablets for sugar beet cultivation
    • Region-specific herbicidal blends marketed to industrial-scale beet growers

    3. Turf and Amenity Grassland Management Systems

    Manufacturers producing herbicides for managed turf—golf courses, public parks, and sports pitches—use amidosulfuron for selective control of broadleaf species without damaging fine-leaved fescues or ryegrass. In these systems, formulation developers must validate low-toxicity, public exposure safety, and minimal movement to watercourses per regional green zone requirements. Supply batches conform to traceable documentation for professional and municipal clients.

    Industry compliance standards

    • UK HSE ‘Amenity Herbicide’ approvals
    • US EPA FIFRA (Federal Insecticide, Fungicide, and Rodenticide Act) label restrictions
    • EU Water Framework Directive (risk assessment zones)

    Typical usage ratio

    • 4–8 grams active ingredient per hectare; exact concentration depends on grass species present, desired coverage rate, and site runoff evaluations.

    Downstream process integration

    • Fused into liquid concentrate or granular pre-mix during tertiary tank blending, with attention to drift reduction adjuvant inclusion.
    • Stability and residue movement checked using simulated rainfall bioassays.

    Final product types

    • Ready-to-use or dilutable turf herbicides for professional grounds crews
    • Packaged solutions for landscape maintenance contractors

    4. Oilseed Rape (Canola) Herbicide Manufacturing

    The oilseed sector relies on responsibly sourced amidosulfuron for targeted weed suppression during delicate crop stages. Producers incorporate this ingredient into field-ready herbicide blends to counter key broadleaf pests prior to flowering. Labelled product batches trace to plant origin for compliance with both food-grade export buyers and national certification requirements. Integration includes detailed input monitoring and batch recall preparedness for global canola chains.

    Industry compliance standards

    • EU Regulation (EC) No. 396/2005 Maximum Residue Levels in Oilseeds
    • Canada PMRA Registration (Pest Management Regulatory Agency)
    • Australian APVMA Standards for Canola Herbicide Use

    Typical usage ratio

    • 8–12 grams active ingredient per hectare, with rate optimized to local weed spectrum, crop variety, and pre-harvest interval calculations.

    Downstream process integration

    • Direct incorporation at tank-mix stage with petroleum-based surfactants, followed by micro-filtration and viscosity screening for nozzle compatibility.
    • Each production lot logged by batch and destination region as per chain-of-custody protocols.

    Final product types

    • Seasonal broadleaf herbicide formulations for oilseed rape cultivators
    • Bulk shipment intermediates for contract spraying enterprises
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    Certification & Compliance
    More Introduction

    Introducing Amidosulfuron: A Perspective from the Manufacturing Floor

    Real Application Experience with Amidosulfuron

    Amidosulfuron represents a leap in post-emergence weed control technology for cereal and rapeseed crops. As a chemical manufacturing team, we’ve learned the details of this sulfonylurea herbicide from the inside out. Every batch we produce reflects hard-earned insights gained from both our laboratory benches and the fields that drive agricultural productivity. Over years of production, we have focused on what matters most: consistent purity, reliable concentration, and practical formulations that work as promised for large-scale farming operations.

    Amidosulfuron, in granular 70% WDG and 75% WDG forms, stands out because of its clean activity profile. We monitor molecular consistency at every stage, so users get predictable results with each application. This consistency gives farmers decisive control over a wide range of broadleaf weeds. For rapeseed, amidosulfuron simplifies the challenge of managing volunteer cereals, cleavers, and problem crucifers. We’ve also seen the material’s selectivity protect crops well under variable conditions.

    What Sets Our Amidosulfuron Apart

    Years ago, the herbicide space was crowded with older chemistry that required higher application rates and left residues that complicated follow-up planting. Amidosulfuron’s sulfonylurea backbone gets to the heart of unwanted growth with genuine precision. At our plant, we track purity because a clean product doesn’t just mean higher efficacy—it reduces the risk of crop stress and environmental impact. Customers have pressed for less dust, finer granules, and more stable blends over the years. We responded by honing our granulation techniques. Our experience tells us that a consistent particle profile leads to better suspension in solution, avoids nozzle clogs, and allows for faster, more confident spraying even in tough weather.

    When growers mention problems with hard-to-kill weed species, our technical team references data from our field partners: amidosulfuron hits its targets at lower doses compared to phenoxy and hormonal alternatives, which supports cost-saving and environmental stewardship goals. The chemistry interferes with acetolactate synthase, so susceptible species show early inhibition without harming established crops. With regulatory pressures on herbicide runoff and residues rising in many regions, these qualities show their importance season after season.

    Production Challenges and Continuous Improvements

    We’ve seen that the quality of amidosulfuron always starts with raw material sourcing. Not every supplier understands the subtleties of precursor chemistry. We reject intermediates with off-spec profiles to avoid downstream complications—impurities can alter crystal size and reactivity, hampering both performance and storage stability. Our on-site analytics team spots these problems early, relying on chromatography and multi-point purity checks. Over time, this discipline has built trust among growers who consistently get what the bag claims.

    Early in our manufacturing history, we learned the hard way that even a slight change in manufacturing water quality or solvent grade can lead to variability in the finished product. This meant stricter controls on incoming supplies, closer partnerships with key logistics providers, and building in redundancy for all process-critical utilities. Instead of seeing these as costs, we view them as essential for creating a product farmers use with confidence.

    Handling, packaging, and shipping also taught us lessons. Amidosulfuron fines are sensitive to humidity, so our team shifted to heavy-duty moisture barriers years before many industry peers. Consistency in packaging has meant fewer customer complaints about caking or flowability, which directly translates to fewer lost hours on the farm at busy times.

    Understanding Usage Patterns: From Factories to Fields

    Feedback from growers and agronomists shapes production priorities just as much as laboratory benchmarks. Amidosulfuron’s main strength lies in its flexibility during the application window. Sprayers can go out between growth stages BBCH 13 to 45 in most cereals and oilseed rape, which covers the broadest practical period for weed pressure. Because this chemistry does its job at low doses (typical rates run 20–25 grams active ingredient per hectare), the actual amount of product shipped represents a fraction of the total farm input volume—and this drives a significant reduction in packaging waste per hectare treated.

    On the ground, users report strong activity against chickweed, mayweed, pennycress, and cranesbill, species that often slip past older synthetic auxins or triazines. While every season brings new weather challenges, formulators have remarked on the resilience of our WDG product to temperature swings and brief rainfall interruptions post-application. These details came straight from years of trials, not marketing plans. We routinely field-test each lot alongside reference standards to ensure that performance stands up for today’s fast-moving farm schedules.

    Comparing Amidosulfuron to Other Herbicides

    Looking back at the evolution of weed control, earlier herbicides like MCPA or fluroxypyr often forced users into trade-offs between weed spectrum, crop safety, and persistence. Where those products built up in soils and sometimes showed crop scorch on sensitive varieties, amidosulfuron brings a cleaner break after harvest. We see fewer residue-related restrictions for rotation, and because our in-house formulation focuses on easy dispersibility, there’s less concern about local hot spots in application, even when operators run at high sprayer speeds.

    In real-world conditions, our formulation handles variable water quality better than many other herbicide products. Field operators working with hard water, mixed loads, or unfamiliar equipment have commented on the product’s forgiving nature. This isn’t a mere technical spec; it reflects countless batches measured, adjusted, and refined across production cycles. Where traditional herbicides forced complicated tank cleanouts or special adjuvant packs to avoid crop injury, amidosulfuron’s chemical stability makes the process more straightforward for applicators with tight timelines.

    Supporting Farmers Beyond the Factory

    Helping growers succeed goes beyond shipping a consistent drum or bag. We’ve hosted training days and contributed technical support to groups troubleshooting resistance in their weed populations. Decades of sulfonylurea use have led to pockets of ALS-resistant weeds, so our technical team focuses on best practice advice: rotate herbicides with different modes of action, use recommended rates, scout fields post-application, and mix with compatible partner products to widen the spectrum and delay resistance. Through direct dialogue with farm managers, mistakes get corrected quickly, minimizing the risk of resistance buildup.

    We also push for stewardship in storage and on-farm handling. Because amidosulfuron operates at low rates, a little spilled during mixing can mean a big loss. Farmers who return used packaging for recycling contribute to a tighter, cleaner agricultural environment, and we’ve invested in take-back logistics that make this more practical in rural areas. It is this mix of production quality, agronomic advice, and after-sales follow-up that differentiates a manufacturer’s perspective from a simple sales operation.

    Product Safety and Worker Wellbeing

    Inside the factory, the well-being of our own operators stands at the core of each production batch. Sulfonylureas need careful handling; fine dust control and air filtration run continuously. Early on, we worked with occupational safety specialists to make sure that containment and dust collection hit the highest standard. Training covers everything from drum unloading to final bag sealing, and this vigilance means we send out only what we’d willingly use in our own fields.

    For customers, hazard labeling and mixing guidelines reflect actual risk based on full industrial hygiene data, not just regulatory minimums. Teams constantly review long-term exposure data and seek feedback from farm operators. This ongoing safety focus builds trust through every stage from synthesis to application.

    Environmental Responsibility and Industry Challenges

    Regulators and the public hold the chemical industry to high standards for a reason. Our approach to amidosulfuron leans on both green chemistry strategies and compliance with tightening regulatory frameworks. Downstream water monitoring near treated fields informed our decision to invest in production upgrades that reduce free amine content and water-soluble byproducts. We’ve taken part in pilot studies tracking groundwater residues, using these findings to refine our plant’s quality assurance targets.

    One of the challenges faced by bulk buyers is uncertainty about product authenticity amid international sourcing. As a direct producer, we regularly supply detailed batch records, chemical fingerprinting, and traceability documents to larger customers. These efforts matter when questions arise about residue limits or field performance—it builds a level of transparency users appreciate. Warehousing and inventory control programs can now detect adulterated product with simple field kits, significantly reducing risk from parallel trade channels.

    Research, Innovation, and the Future of Amidosulfuron

    Continuous development underpins our stewardship of this chemistry. We track not only how the active ingredient performs, but also study formulation adjuncts that can extend tank mix compatibility or safety for next-generation crops. Requests for new adjuvant blends with greater rainfastness or enhanced drift control guide our R&D priorities, and we regularly test new dispersants and surfactant packages in close partnership with application specialists. Many of these advances come from feedback after tough seasons—real-world adversity, not the laboratory alone, drives innovation.

    Looking forward, the drive for climate-resilient agriculture has meant more scrutiny on every input. Our technical team collaborates with universities and field trial cooperators to adjust amidosulfuron formulations for lower overall carbon footprints. This includes sourcing more traceable feedstocks, switching to more efficient reaction pathways during synthesis, and designing blends that use less packaging relative to the volume of hectares treated. Supporting digital agriculture and precision placement gains more weight each year, with new application tools helping farmers apply smaller doses more accurately to problem patches.

    Honest Discussion of Product Limits

    As with any herbicide, amidosulfuron cannot solve every weed problem in isolation. ALS-resistant populations must be tracked and managed with diversified control strategies. Our agronomists have found that tank-mixing amidosulfuron with complementary actives often preserves its role in multi-season plans. We don’t sell Amidosulfuron as a universal fix; we present it as a precise tool within an integrated approach where scouting, rotation, and mechanical interventions still matter.

    Rain immediately following application could reduce activity, and heavily infested fields may need additional support. Biology and weather remain unpredictable, and we encourage all users to calibrate their sprayers thoroughly and avoid off-label rates. Unpredictable germination flushes from problematic weeds like groundsel sometimes reduce visible impact. Reporting these failures back to us improves future guidance and helps everyone avoid wasted effort.

    Engagement and Learning Together

    The long-term success of a herbicide like Amidosulfuron depends on open feedback and ongoing learning. We encourage users, both large farming companies and small growers, to reach out with real field results. From repeated on-farm visits, our advisors catalog what works and what needs improvement—whether it’s strange tank-mix reactions in specific regions or shifts in weed susceptibility. This data loop goes straight to production; any trend that shows up in the field triggers a technical review in the factory, and adjustments get implemented faster than waiting for a regulatory cycle to demand it.

    Through years of hands-on production, we have come to appreciate that the difference between a commodity and a solution comes down to details: every granule under the microscope, every user call to our guidance staff, every ton delivered in peak spring. Each season offers new lessons, and by staying close to our customers, we aim to help farms move forward one harvest at a time.

    Shaping Agricultural Progress One Batch at a Time

    Bringing amidosulfuron to market as a manufacturer means facing every challenge head-on—from complex chemical synthesis to honest discussions about product limits. Our core priority remains unchanged: deliver a consistent, productive, and safe solution that meets the real needs of working farmers. We refine every aspect of production and support based on facts and open dialogue, guided by our daily experiences and the evolving realities faced by those who depend on our products in the field.