|
HS Code |
483717 |
| Chemical Name | Pyridat |
| Cas Number | 55512-33-9 |
| Molecular Formula | C13H11N3O3 |
| Molar Mass | 257.25 g/mol |
| Physical State | Solid |
| Color | White to beige |
| Solubility In Water | 7.3 mg/L at 20°C |
| Melting Point | 171-172°C |
| Usage | Herbicide |
| Mode Of Action | Photosystem II inhibitor |
| Toxicity To Fish | Moderate |
| Logp | 2.63 |
| Vapor Pressure | 2.6 x 10⁻⁷ mPa at 20°C |
As an accredited Pyridat factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Pyridat is packaged in a sturdy white 1-liter plastic bottle, labeled with hazard symbols, product name, and detailed usage instructions. |
| Shipping | Pyridat should be shipped in tightly sealed, clearly labeled containers, compliant with relevant chemical transport regulations. It must be kept away from incompatible substances, heat, and moisture, and handled by trained personnel. Shipping documentation must include safety and hazard information according to GHS/UN guidelines to ensure safe and legal transportation. |
| Storage | Pyridat should be stored in a tightly closed, clearly labeled container in a cool, dry, and well-ventilated area away from direct sunlight and incompatible substances such as acids or oxidizers. Keep it away from food, drink, and animal feed. Store at room temperature, and ensure that containers are protected from physical damage and inaccessible to unauthorized personnel or children. |
Applications of Pyridat in Industrial ManufacturingAs an established producer of Pyridat, we supply this active ingredient directly to agrochemical companies employing it in a range of industrial production environments. Pyridat’s targeted application profile in the post-emergence herbicide sector addresses specific crop protection challenges where precision and compliance are critical. Below, we outline focused downstream scenarios where Pyridat features as a strategic formulation input and detail standards, usage levels, process integration, and end-product types relevant to each setting. 1. Selective Herbicide Formulation for Maize CultivationMajor herbicide formulation plants incorporate Pyridat as a post-emergence agent to control broadleaf weeds in maize fields. The input delivers selectivity advantages and addresses resistance management needs, offering manufacturers a reliable active ingredient when producing finished emulsion concentrate (EC) and suspension concentrate (SC) herbicide products registered for maize. Manufacturers performing batch-format blending integrate Pyridat after solvent phase composition and before stabilization, ensuring compatibility and even dispersion alongside co-formulants such as surfactants and safeners. The precise dosage must align with local agronomic guidelines to maximize weed suppression while conforming to regional occupational and environmental safety requirements. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Crop Protection Formulations for Peanuts and SoybeanFormulators targeting the peanut and soybean sectors use Pyridat in combinations with grass weed herbicides to broaden the spectrum of post-emergence weed suppression. Production lines prioritize this compound for tank-mix and co-formulated products in markets where dicotyledonous weed infestations impact yield quality. The active is introduced to blending units at the precise stage when temperature and agitation parameters support its solubility profile, with manufacturers conducting batch quality validation by high-performance liquid chromatography (HPLC) before packaging. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Integrated Herbicide Solutions for Sugarcane PlantationsSugarcane input manufacturers deploy Pyridat in specialized formulations meant to address persistent annual and perennial broadleaf weed pressure. Production focuses on high-concentration products that support large-scale aerial and ground spraying regimes mandated by plantation agronomy protocols. Pyridat enters the batch process after primary emulsifiers and solvents, with blend cycles adjusted based on matrix viscosity and scale. Quality assurance teams employ residue trials to ensure field applications comply with maximum residue limits (MRLs) established in target export markets. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Ready-to-Use Herbicide Products for Turf and Amenity Grass ControlIndustrial blenders manufacturing ready-to-use (RTU) herbicide solutions adopt Pyridat for professional turf management, especially in sports field, golf course, and municipal landscaping applications where cosmetic and regulatory standards are stringent. This material enters the RTU production phase after aqueous base preparation, batch-mixed with targeted wetting agents, and standardized for legal application rates under stewardship programs. Ongoing batch monitoring ensures that product labels display compliant Pyridat concentrations as required by municipal and state guidelines for urban environments. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
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In our years of producing crop protection solutions, we have watched chemical demands change as agriculture evolves. Pyridat stands as one of those solutions that keeps turning heads, thanks to its track record in practical weed management. Developed to handle broadleaf weed pressure in a world where fields and environmental conditions keep shifting, Pyridat gives users a targeted approach without unnecessary complications. We produce pyridat in technical form and provide it to formulators who create ready-to-apply crop protection products, and both the production and the reasoning behind it draw from decades of direct experience.
Pyridat belongs to the group of pyridazinone herbicides. Its mode of action involves inhibition of photosynthesis, specifically by blocking electron transport in photosystem II. This isn’t just a chemistry trivia point; in practical terms, it means that weeds absorb the compound and quickly cease growing, yellowing and dying in just a few days, even with relatively low application rates. Many farmers see rapid results—a visible difference compared to waiting weeks with less selective products.
Our production team keeps close tabs on technical specifications. We ensure every batch of Pyridat technical meets purity levels required by global agrochemical regulators, usually around 96% or higher. By focusing on the HPLC profiles and crystallinity of the technical material, we guarantee not just regulatory compliance but also uniform performance in the field. Unlike bulk herbicides where off-color or impure batches might be common, we don’t compromise on these standards. This attention shapes the downstream quality for all formulations derived from it, from emulsifiable concentrates to aqueous suspension products.
Pyridat entered the market in response to the stubborn weed infestations in crops like maize (corn) and peanuts. Over the years, our clients—mostly large-scale commercial farms—have relied on it to control weeds such as Chenopodium album, Amaranthus species, and Polygonum. These are not just laboratory claims; we have run field demonstration plots across the northern and southern temperate zones, working side by side with local agronomists. The distinctive benefit they report is selectivity: growers can manage problem weeds without harming the crop.
Application rates typically range between 0.5 and 1.0 kg active ingredient per hectare. Experienced users often opt for post-emergence treatment, when weeds are at two to four true leaves. Under these conditions, a timely application wipes out early weed competition, giving the crop the jumpstart it needs in both yield and uniformity of emergence.
Our clients tell us Pyridat works even when other contact herbicides disappoint, especially under cooler or damp spring conditions. We have seen years where glyphosate-resistant weedy species threatened to take over, but rotation, in-tank mixing, or alternating with Pyridat helped prevent those escapes. Not every farm faces the same mix of resistant weeds, but Pyridat offers an essential mode of action to slot into management programs that demand flexibility and resilience.
Chemically, Pyridat’s active ingredient crystallizes as a pale yellow, nearly white solid. In our factory, we insist on controlling particle size distribution tightly; this approach ensures the compound disperses well in various liquid carriers and avoids clogging nozzles in farm machinery. With a melting point over 120°C, material transport and field storage don’t present issues often seen with more temperature-sensitive products.
Stability profiles have been well documented. Stock in sealed, original containers remains stable for a minimum of two years, often longer, provided it’s kept dry and out of direct sunlight. Some competitors advertise longer shelf lives, but our concern is not exaggerated promises; it’s seeing satisfied users return every season, having lost no potency between purchase and use.
While we do not sell direct to growers, our technical Pyridat finds its way into an array of branded products. These formulations bear the mark of our strict input protocols. We regularly partner with formulation companies who create single-ingredient products for direct application and combination products designed for synergy with other active ingredients, such as bentazon or atrazine, to broaden weed control spectra. These tank mixes offer growers a solution for hard-to-control weed populations that crop up with monoculture and repeated herbicide use.
Feedback from these partners—and their customers—guides our own quality control and research. Sometimes they report dusting or settling issues in certain tank mixes, and in response, we adjust the technical’s milling steps or surfactant recommendations. More than once, the feedback loop from customers in the field has led us to modify finished technical product traits long before regulatory mandates catch up.
Extra attention gets paid to regulatory status. Each year, authorities re-evaluate active ingredients as new data on environmental fate or operator exposure comes in. Pyridat has received registration approvals in numerous countries, largely because of its low mammalian toxicity profile and rapid breakdown in soil and water. We track new findings about metabolites and potential residue concerns and pass all validated updates on to our formulation clients, sometimes reformulating at their request well before new standards take effect.
In-house, our team handles Pyridat with protective measures that comply with international occupational health standards. While its hazard profile rates lower than many legacy herbicides, dust mitigation and ventilation remain priorities. Employees receive specific training on spill management and first-aid responses. We share these insights routinely with stewardship teams at client companies, many of whom replicate our systems in their own operations.
One of the main advantages of Pyridat over older broad-spectrum herbicides is its environmental profile. Rapid photodegradation means that sunlight exposure breaks down residues quickly on soil surfaces. Soil microbial communities handle degradation of remaining active molecules, reducing the risk of carryover damage to subsequent plantings. Water solubility is moderate; leaching beyond the root zone is rare when good agricultural practice is followed.
Over the last five years, environmental monitoring has become a standard part of our due diligence before supplying new regions. This involves collaborating with university labs and independent environmental consultants to analyze water runoff, soil samples, and non-target organism exposure in test communities. In the majority of cases, results show that Pyridat does not persist in surface or ground water at concerning levels, provided label instructions aren’t ignored. Where challenges arise from unusual climatic patterns—such as excessive rainfall soon after application—we work with customers to document these cases, so that they can modify timing or buffer practices in future seasons.
The agricultural industry has witnessed waves of enthusiasm for certain chemical tools, only to see resistance or new environmental rules cut their useful lifespan short. Pyridat has weathered these cycles, not due to marketing but because of on-the-ground performance and adaptive use strategies. When older contact herbicides lost their punch on tough weed populations, many growers added Pyridat to the tank, watching weed pressure drop without crushing the non-target seedling crops.
From our vantage, the ongoing challenge isn’t just selling a product—it’s understanding where and how Pyridat fits within integrated weed management programs. Our technical teams spend as much time discussing crop rotations and stewardship as they do filling factory orders. Technical field staff partner with commercial crop consultants to document outcomes, troubleshoot unexpected field symptoms, and recommend adjustments, whether that’s rate, spray volume, nozzle selection, or mixing partners.
A common question from buyers and agronomists relates to comparisons with other post-emergence herbicides. Compared to products like bentazon, bromoxynil, or MCPA, Pyridat offers a distinct spectrum and selectivity profile. For example, it exhibits low phytotoxicity to maize at recommended rates, even under sub-optimal soil moisture conditions where other materials may cause injury. While bentazon controls similar weeds, Pyridat’s suppression of especially persistent species like Amaranthus reflects the different route of action.
We also note differences in rainfastness and tank mix compatibility. Pyridat shows a quick on-leaf drying period and minimal antagonism when mixed with standard liquid fertilizers or micronutrients. This can be the difference between one easy pass and several frustrating returns to the field if a sudden rain arrives. In the real world, convenience matters to operators who have to manage hundreds of hectares in a narrow spray window.
Glyphosate and ALS-inhibiting herbicides rank among the most widely used tools in row crops, but the spread of resistance has forced diversification. Pyridat holds its own in resistance management plans, since few weed populations have developed target-site resistance to its mode of action. We coach large growers to rotate actives, since no chemical remains invulnerable forever, and Pyridat continues to fill critical rotation slots for diversified programs.
Producing Pyridat isn’t just about following a recipe. Our production lines have evolved as new technical knowledge and sustainability benchmarks develop. In recent years, we invested in catalyst recovery systems and solvent recycling, which reduce raw input costs and the environmental footprint associated with each kilogram produced. Process chemists regularly scrutinize yield rates and impurity profiles, seeking tweaks that shave hours off batch times or reduce waste generation.
Sharpening the technical process has ripple effects through the entire supply chain. Customers notice fewer off-spec shipments and less downtime recalibrating their own mixing lines. On our end, improved throughput and compliance metrics raise the bar for the next generation of manufacturing teams. Factory managers maintain detailed run logs and process analytics, treating each batch as a data point for further optimization.
Quality assurance in herbicide manufacturing does not happen by chance. Years ago, it was common to see off-color or moisture-laden technical lots. Today, process control technology enables us to measure batch variables in real time, catch deviations before they compromise finished product, and deliver consistent lots to end-users. Our laboratory staff run stability and breakdown tests under real-world storage and shipping conditions, ensuring that our supply partners get batches that stay effective, from warehouse to retailer to the field.
Occasionally, we discover new off-target injury symptoms or unexpected performance dips. This isn’t a cause for panic but a cue to backtrack, examine raw material records or production logs, and communicate transparently with downstream users. Years of technical manufacturing have taught us that owning up to an occasional misstep cements our credibility far more than blanket reassurances.
Global agriculture never stands still. Regulatory priorities shift, farmer expectations change, and novel weed biotypes emerge in every growing season. Pyridat has carved out its place because it adapts alongside these challenges. We keep investing in research that shines a light on gaps in weed control, pest resurgence, or application strategies. Our technical representatives meet with growers after harvest to collect observations, gather yield data, and diagnose any patches where control may have slipped.
We also partner with public and private groups to support best-use guidelines for Pyridat and similar actives. Outreach includes technical seminars, grower meetings, and real-world spray clinics. This boots-on-the-ground approach has a clear objective—give every farm manager access to the latest findings, so they can keep weed management programs sustainable for the long term.
The changes we have witnessed in weed resistance patterns over the last decade only reinforce the need for products like Pyridat. Farmers using the same recipe year after year eventually run into diminishing returns; rotating actives with different modes of action remains a cornerstone of smart, resilient production systems. By supporting Pyridat’s technical integrity and sharing practical experience from real-world applications, we do more than make a chemical—we help shape more sustainable crop production systems.
Pyridat’s continuing impact in modern agriculture rests on performance, reliability, and adaptability. It addresses persistent weed problems without adding complexity or unforeseen risks, both in manufacturing and in field use. Every technical batch that leaves our facility reflects this philosophy: quality, safety, an eye on the future, and respect for those who rely on tested, honest solutions for strong, productive crops.