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

    • Product Name Prometryn
    • Alias Caparol
    • Einecs 219-259-6
    • 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

    426176

    Common Name Prometryn
    Chemical Formula C10H15N5S
    Molecular Weight 229.32 g/mol
    Iupac Name 6-methylthio-N,N′-bis(1-methylethyl)-1,3,5-triazine-2,4-diamine
    Cas Number 7287-19-6
    Appearance White crystalline solid
    Solubility In Water 33 mg/L at 20°C
    Melting Point 118-122°C
    Mode Of Action Herbicide (photosystem II inhibitor)
    Application Selective pre- and post-emergence weed control in crops

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

    Packing & Storage
    Packing Prometryn is packaged in a sealed 25 kg fiber drum, labeled with hazard symbols, product name, and manufacturer details.
    Shipping Prometryn should be shipped in tightly sealed, properly labeled containers to prevent leaks or contamination. It must comply with local, national, and international regulations regarding hazardous materials. Protect from heat, moisture, and incompatible substances. Transportation should ensure upright positioning, and relevant safety data sheets must accompany the shipment for handling emergencies.
    Storage Prometryn should be stored in a cool, dry, well-ventilated area away from direct sunlight, heat sources, and incompatible substances such as strong acids and oxidizers. The container should be tightly closed and clearly labeled. Store in a secure location, away from food, animal feed, and water sources to prevent contamination. Keep out of reach of unauthorized personnel and children.
    Application of Prometryn

    Applications of Prometryn in Industrial Manufacturing

    Our Prometryn product supports core sectors of agricultural chemical manufacturing, where its selective herbicidal properties enable large-scale crop protection, efficient weed control, and consistent output for downstream formulators. As an experienced manufacturer, we deliver Prometryn tailored for strictly regulated applications in modern formulary and bulk processing environments.

    1. Pre- and Post-Emergence Herbicide Formulation for Cotton Cultivation

    Prometryn serves as an essential active ingredient in the formulation of selective herbicides deployed during both pre-emergence and post-emergence phases in cotton production. Downstream manufacturers rely on precise formulation design to target a broad weed spectrum while protecting cotton seedlings and maximizing acreage yields under diverse agronomic conditions. The formulation’s compatibility with co-formulants, surfactants, and stabilizers is critical for achieving consistent field performance, while large-scale batch production must adhere to strict regulatory and QC protocols.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products (FAO/WHO 2012)
    • U.S. EPA 40 CFR Part 180 (Tolerances and Exemptions for Pesticide Chemical Residues in Food)
    • EU Regulation (EC) No 1107/2009 Concerning the Placing of Plant Protection Products on the Market
    • China GB 2763-2021 (National Food Safety Standard: Maximum Residue Limits for Pesticides in Food)

    Typical usage ratio

    • 10–50 g/L as active ingredient in SC, WP, or WG formulations. Actual loading adjusts according to crop stage, soil type, and regional regulatory residue limits.

    Downstream process integration

    • Active ingredient dispersion into water-based or granular carriers; homogenization with adjuvants, wetting agents, and stabilizers; followed by milling, filtration, and packaging into commercial herbicidal products.

    Final product types

    • Selective cotton pre-emergence and post-emergence herbicides (suspension concentrate, wettable powder, water dispersible granule)
    • Custom tank-mix herbicide blends for large-scale field application

    2. Herbicidal Component in Sugarcane Crop Protection Blends

    Prometryn acts as a core ingredient in multi-component herbicide products formulated for sugarcane plantations. These blends are engineered for application during various crop growth stages to suppress annual and some perennial weeds that compete for nutrients and water. Manufacturers address localized regulatory restrictions around crop protection chemistry, ensuring that production processes also follow robust traceability and safety requirements.

    Industry compliance standards

    • Brazilian Ministry of Agriculture MAPA Pesticide Registration
    • Codex Alimentarius Pesticide Residue Limits (CXLs) for Sugarcane
    • Australian Pesticides and Veterinary Medicines Authority (APVMA) Criteria for Sugarcane Herbicides
    • ISO 9001:2015 Quality Management Systems for Agrochemical Manufacturing

    Typical usage ratio

    • 15–40 g/L in suspension concentrate or 6–12% w/w in granulated composite herbicides; ratios depend on weed spectrum and regional application norms.

    Downstream process integration

    • Inclusion during wet granulation mixing or liquid suspensions; co-formulated with other selective herbicides and safeners, followed by granulation, drying, screening, and final bulk packaging suitable for mechanized field distribution.

    Final product types

    • Multi-active sugarcane herbicide granules
    • Suspension concentrates for commercial plantation application
    • Bulk field treatment packages for contract agriculture groups

    3. Ready-to-Use Formulation for Industrial Non-Crop Weed Control

    Industrial vegetation management applications require herbicide formulations capable of controlling a persistent weed spectrum on non-cropland such as railway embankments, roadside verges, and utility corridors. Manufacturers use Prometryn within tailored blends for municipal, transport, and energy infrastructure clients, optimizing the balance between residual weed suppression and environmental compliance for sensitive areas.

    Industry compliance standards

    • U.S. EPA 40 CFR Part 170 – Agricultural Worker Protection Standard
    • REACH Regulation (EC) No 1907/2006
    • ILO Convention No. 170 – Chemical Safety in the Workplace
    • EN ISO 14001:2015 Environmental Management Systems

    Typical usage ratio

    • 5–30 g/L in ready-to-use liquids or 2–10% in total formulation weight for granules; dosage is influenced by site-specific regulatory buffer constraints and weed population density.

    Downstream process integration

    • Blending into RTU backpack spray solutions or dust-free extruded granules; batch mixing evaluated by in-process controls for residue curve optimization and environmental fate analysis before filling and labeling for industrial contract services.

    Final product types

    • RTU (Ready-to-Use) herbicide liquids for infrastructure applications
    • Extruded granular products for mechanical ground application
    • Vegetation control packages for government or industrial service contractors

    4. Selective Herbicide for Alfalfa and Legume Crop Protection

    In the downstream production of herbicides for alfalfa and selected legume crops, Prometryn is employed for broadleaf weed management while preserving crop health and maximizing forage output. Industrial formulators develop crop-specific mixtures, taking into account the narrower tolerance of leguminous species and strict residue specifications applied by both local and international food safety authorities.

    Industry compliance standards

    • USDA National Organic Program – Synthetic Substance Restrictions
    • Canada Pest Management Regulatory Agency (PMRA) Guidelines for Legume Protection
    • EU Regulation (EC) No 396/2005 on Maximum Residue Levels
    • Chemical Manufacturers Association Product Stewardship Codes

    Typical usage ratio

    • 10–30 g/L as active ingredient in water dispersible granules; formulation level tailored to growth stage and local MRD (maximum residue determination) outcomes.

    Downstream process integration

    • Incorporation during wet or dry granulating steps, with stringent batch-level QC for contaminant exclusion; followed by precision sieving and portion filling to ensure traceability for field application and export controls.

    Final product types

    • Selective broadleaf herbicides for alfalfa and clover
    • Custom-labeled granulated blends for contract farming operations
    • Herbicide packets for direct retail to seed producers and crop collectives
    Free Quote

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    Certification & Compliance
    More Introduction

    Prometryn: Experience and Commitment in Every Kilogram

    What Sets Our Prometryn Apart

    In all my years overseeing the manufacturing floor, certain products showcase a story of refinement and reliability—Prometryn is one of those. Over two decades, we’ve invested in tight control of every step, because details matter from the first delivery to the last granule. Prometryn (chemical name: 2-methylthio-4,6-bis(isopropylamino)-1,3,5-triazine) stays on our production schedule because farms rely on its dependable weed control, and reputations get made or lost with every batch. We take it seriously when our fields or your fields succeed or struggle, and Prometryn’s history speaks louder than slogans.

    Our standard model comes in technical grade powder, typically at a purity not less than 98%. There’s no room for loose specifications here—our facility runs precision filtration, fine-grinding, and rigorous impurity removal to keep quality high and deviations low. We monitor for residual solvents, ash content, and particle size distribution, not because a regulation insists on it, but because one misstep on these parameters shows up six months later in the field. Every time a new batch runs, the story repeats: clean input, steady reaction, smart downstream handling. I walk the warehouse knowing few things escape those checks.

    Field Experience Shapes Every Batch

    Prometryn targets a broad spectrum of annual grass and broadleaf weeds, especially in cotton, soybean, and select vegetable crops. A fair share of our clients work vast tracts of cotton; I’ve walked those rows, talking with growers whose livelihoods ride on weed management. They don’t ask about theoretical performance—they ask whether Prometryn will outlast the morning glory pushes after spring rain or whether stray johnsongrass escapes will creep into June. That’s where our product draws the line. The triazine backbone resists rapid breakdown, which means a single, well-timed application keeps pressure on weed seeds for weeks—something you can witness in side-by-side plots from Georgia to the Punjab. Less reapplication saves labor, fuel, and keeps overall field passes lower, which is worth more than any laboratory metric.

    Prometryn blends easily into existing spray programs. We manufacture in technical powder for direct formulation and suspension concentrate for those with in-house mixing needs. The powder’s optimum wetting and dispersibility come from persistent small improvements in grinding and dust capture. The formulation specialists who work in our plant know that a little extra dust affects mixing tanks on a humid morning, so our sieves run tighter and our aeration stays consistent. Every bag—whether headed for a local co-op or a multinational blender—carries the same attention because I know what a stuck filter or uneven spread means in downtime.

    Our Standards, Our Solutions

    Some may wonder about alternatives. We also supply atrazine, simazine, and metribuzin. Each brings strength, but Prometryn holds a unique profile: lower volatility in warm climates, moderate solubility, and a consistent residual window against pigweed, lambsquarters, and barnyardgrass. It works well on soils with moderate clay and organic matter. In heavier silt, we’ve seen Prometryn outperform some older triazines, especially where soil moisture swings between wet and dry. There’s science behind it—binding strength to soil colloids, degradation pathways, movement through the profile—but I mostly think back to yield maps I’ve been handed by our partners. Prometryn delivers, especially where seedbank pressure strains other post-emergence options. Where many actives fade faster, Prometryn stays present, even when the season turns rough.

    I wouldn’t claim Prometryn is perfect for every farm or every problem. Its selectivity shines in cotton and select legumes, but sensitive crops nearby require boundary respect and responsible handling. Our QA teams check every outbound shipment for contaminant residues and offtarget impurities. That diligence builds trust over years, not months. When state agencies introduced fresh monitoring on groundwater, we already had our process fine-tuned, logging every solvent batch and running retention samples for trace analysis. Environmental safety isn’t an afterthought here; it’s routine.

    Supporting Success, Beyond the Drum

    Manufacturing chemistry isn’t about what happens in a beaker. It’s how chemistry translates into value for real work. Our Prometryn ends up in solution on millions of acres, and the proof never hides in paperwork—it shows up in clean harvest rows. Trademark consistency comes from direct supply lines, not relying on repackagers or secondary handling. We maintain contracts with both large processors and independent cooperatives, and each expects the same—no off-batch deliveries, no fluctuating purity. If a field agent reports trouble, that news finds its way back to the plant. As a manufacturer, we stand behind every ton. I tell my client managers not to deflect, not to blame shipping or “bad weather,” but to pull up the batch data, reveal the truth, and make it right fast if there’s an issue.

    Our investments in supply resilience have paid dividends during the volatility of recent years. While some facilities shutter or downsize during feedstock shocks, our deep relationships with upstream suppliers keep us in inventory, even through surges and shortfalls. Planners and plant managers eat their lunch in the breakroom, not in boardrooms—they know our minimum safety stock figures and why late production means downed hectares on farms. That sort of operational transparency helps resolve snags before problems snowball.

    Technical Stewardship Matters

    We brought automated traceability online years ago. Any customer can request a full batch trace, not just for their own records, but because misuse or application confusion sometimes points to specific drums or a change in water hardness, mixing speed, or sprayer calibration. I appreciate feedback from the field, whether from co-ops, contract applicators, or even from competitors sharing their own notes on weed resistance trends. It keeps our knowledge current. Our R&D staff participates in field trials and joint research with agricultural extension bodies to ensure we spot shifts in resistance patterns early. We offer not just the active Prometryn, but practical guidance collected from years of application.

    I regularly attend meetings with agronomists and crop protection advisors. They don’t waste time on sales charts—they want clear answers about soil interaction, safe rotational intervals, and tank-mix compatibility. We’ve seen a drive to rotate away from triazines in some countries to curb resistance pressures, yet Prometryn remains a valued tool when used in integrated weed management. To avoid future resistance, we promote best practices, such as appropriate rates, mixing with other modes of action, and careful record-keeping on field history. Resistance management isn’t just a line in our technical bulletin; it’s a topic at every quarterly review, and we won’t hesitate to shift advice as the data shifts.

    Sustainability—From Manufacturing to Field

    Sustainability isn’t an empty pledge in our operation. We installed heat recovery loops and solvent recycling years before most in the industry did. Solvent minimization saves money, but it also reduces site emissions and keeps surprises away from regulators and neighbors. We reuse process wash water in non-critical areas, and our air handling units scrub offgassed vapors down to levels far below the local requirements. Our safety culture shows not in certifications on the wall, but in real incident-free days and low staff turnover. If process operators spot a deviation, they halt production and trace the fault. Rejected batches find no end customer—they’re broken down, remanufactured, or destroyed as regulations require.

    On the product side, we focus on limiting offsite movement of active ingredients. Our recent work improves the wettable dispersibility with less drift potential. It took over a year of batch adjustments and real-world tank trials to find the sweet spot for field performance while cutting dust and water runoff potential. On cotton, where rainfall is sporadic, research confirms that Prometryn stays put, maintaining weed suppression without leaching far from the root zone. That trait helps protect both crop and waterway. In vegetable plots, this steadiness offers growers a safety net, guarding inputs and aiding the resilience of seasonal plantings.

    Listening to Real Challenges

    I hear from buyers and field experts how spray program budgets tighten, fuel costs rise, and every pass through a field gets scrutinized. They need more from each product, not just another bag to stock. Prometryn delivers long-acting weed control without requiring constant followup. Its mode of action disrupts plant photosynthesis at a critical stage, targeting problem species that outcompete tender seedlings for sun and nutrients. That longer control window—built into the chemistry—frees up teams for more value-adding work. In direct field visits, partners note fewer skips and broader coverage, especially after heavy spring germination. These are real-world benefits, not brochure promises.

    Our local customer support doesn’t end at the sale. We run educational workshops on correct mixing, sprayer calibration, diagnosing possible carryover, and tank cleaning. Mistakes happen—like suspecting product performance only to find a sprayer’s cracked nozzle or a miscalculated adjuvant level. Resetting those variables on site matters more than phone scripts. This hands-on technical support distinguishes manufacturer-supplied weed control from bulk resellers. No shipment moves without complete documentation, QA certification, and a real person behind the paperwork. In regions with evolving regulatory frameworks, we share updates and help address evolving compliance, so no client ends up stranded with out-of-date products.

    Product Evolution—Listening and Adapting

    Every season brings new challenges, from shifting weed populations to climate swings and regulatory scrutiny. We continually refine our process, not just in response to new standards, but by learning from user outcomes. A few years back, reports of increased dusting during unloading prompted us to invest in better bagging systems and in-facility air monitoring. Our cycle of feedback runs both ways: Dealers tell us about on-farm mixing trouble; we tweak the milling screens and shake-down protocols. When weather led to early-season field saturation, we developed protocols for staggered application that still fit within safe crop windows. These adjustments don’t happen far from the factory—they follow a phone call and a round-table discussion where plant, support, and field specialists compare notes.

    We take regulatory updates seriously, partnering with national and international bodies to ensure compliance with residue limits, export rules, and safe handling practices. Traceability, worker safety, and robust environmental stewardship shape our ongoing investments. I constantly remind the team: long-term business depends on trust born of proven reliability. Every kilo of Prometryn reflects a thousand decisions—on raw materials, on handling, on what gets checked and double-checked before delivery.

    Practical Improvements—Prompt and Measured

    One matter I hear about more frequently relates to compatibility with tank mixes—a pain point for contractors running mixed loads all season. We test our technical Prometryn blend with common adjuvants, water conditioners, and foliar feeds used where cotton, chickpea, or soybean rotations rule. Technical teams document which tank mixes present antagonism issues or precipitation, and we advise directly in our labeling and technical literature. The direct feedback loop keeps us honest—a phone call from a stuck nozzle at 6 AM is the best motivator for real-time adjustments at the blending stage. This relationship beats web forms or indirect routes—you want someone who’s handled the raw material, not a support rep reading from templates.

    Our downstream partners rely on timely and accurate supply, not just the chemical itself. We maintain dedicated storage to protect from cross-contamination and accidental moisture uptake, which could cause caking or loss of performance. We never substitute on shipment quality or switch sources without in-depth trials and customer notification. Transparency matters in how buyers plan their own production and in how agencies monitor residues. Our batch summaries offer these records on request, and we don’t hide behind bureaucracy.

    Value in Every Connection

    We know buyers look beyond just price, weighing proven field outcome, risk and supplier accountability. Prometryn’s success in controlling tough weeds underpins profit stability for a spectrum of operations, from integrated mega-farms to independent growers. Using our direct manufactured product means fewer unknowns—each drum reflects our history, our knowledge, and our commitment. Behind each shipment stands a network of field experts, QA specialists, and senior plant operators.

    Years of old-fashioned partnerships—built on in-person visits, regular agronomy briefings, and hands-on technical training—have shown us no two seasons or operators are ever identical. Still, quality controls, batch precision, and prompt technical answers form the backbone of mutual success. If new pests or resistance trends arise, our manufacturing lines have enough flexibility and downtime reserve to prioritize experimental blends or process tweaks. We don’t rest on labels; we trial and adjust, knowing that today’s problem weeds become tomorrow’s routine unless solutions stay current.

    No Shortcuts in the Chain

    Each manufacturing lot—whether destined for custom blend or direct application—receives scrutiny from raw material intake through final lab sign-off. Operators know what’s at stake: The smallest deviation finds its way into thousands of hectares. Each day starts with plant walkarounds, reviewing data from the previous run, checking on maintenance of feed tanks and screening bags for wear. Regular, real-world feedback from our customer base helps to spot potential snags before they affect a delivery. Customers value this commitment; it's not abstract policy, it's woven in our standard operating rhythm.

    We don’t ship product unless it matches the specification. If colormetric or impurity checks fall outside our norm, that batch does not move—every departing truck meets review by qualified inspectors, not just barcodes and logs. We’ve built systems that reward teams for catching problems, not hiding them. Every problem encountered on a customer’s site becomes an opportunity to improve, and every improvement enhances reliability.

    Comparisons Speak Volumes—Making the Choice

    In my view, too many products reach markets without manufacturer accountability. Prometryn is different because our hands build it and our name repeats with every farm that applies it. Compared to alternatives, Prometryn’s profile stands out in its balance—broad-spectrum control, manageable persistence, and adaptability to multiple crop programs. Unlike some older triazines with higher regulatory risk, our Prometryn complies with the tightest limits for residue and groundwater, including export-sensitive destinations.

    Our customer base sometimes asks about switching to newer chemistries or “greener” actives. The conversation always lands in the same place: what works, what keeps fields clean, and what integrates with real-world rotation and budget constraints. We join those discussions openly and provide context—yield stability, reduced need for repeat applications, and a supply chain that won’t falter under pressure. Our difference shows in the response when an issue arises: immediate, clear, and backed by field and plant insight, not sales metrics.

    Looking Ahead: Prometryn as a Partner

    As one who lives with the fallout or success of every ton we produce, I see Prometryn not merely as another chemical in the shed, but as a trusted partner on millions of hectares. Its long window of weed suppression, field-tested compatibility, and our deliberate manufacturing transparency mark it out from faceless formulations. The discipline behind each bag is real—signoff comes only after the batch meets our standards for purity, particle size, and moisture, tested and verified by our own team.

    Our plant workers, customer advisors, and agronomy partners remain ready to back every shipment with real answers. Prometryn owes its proven field record as much to our manufacturing rigor as to solid chemistry. Over the years, I’ve seen plenty of products come and go. The difference endures in those you never have to apologize for, those that just work—batch after batch, acre after acre. That’s the core of our commitment, and the reason we keep refining what we do, every season.