|
HS Code |
194355 |
| Chemical Name | Metolachlor |
| Cas Number | 51218-45-2 |
| Molecular Formula | C15H22ClNO2 |
| Molecular Weight | 283.8 g/mol |
| Appearance | Pale yellow to brown liquid |
| Solubility In Water | 530 mg/L at 25°C |
| Boiling Point | 100-110°C at 0.05 mmHg |
| Density | 1.17 g/cm³ at 20°C |
| Use Category | Herbicide |
| Mode Of Action | Inhibits cell division and elongation |
| Toxicity To Humans | Low to moderate (based on oral LD50 in rats) |
| Common Application | Pre-emergent control of grasses and certain broadleaf weeds |
| Vapor Pressure | 2.5 × 10⁻⁵ mmHg at 25°C |
| Stability | Stable under normal storage conditions |
| Logp Octanol Water | 3.0 |
As an accredited Metolachlor factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The Metolachlor packaging is a sturdy 5-liter plastic container with a secure cap, hazard symbols, and detailed usage instructions printed. |
| Shipping | Metolachlor is shipped as a liquid herbicide, typically in securely sealed, labeled containers such as drums or intermediate bulk containers (IBCs). It must be transported according to regulatory standards for hazardous chemicals, with safeguards against leaks, spills, or exposure. Proper documentation and safety labels are required during shipping and handling. |
| Storage | Metolachlor should be stored in a cool, dry, well-ventilated area, away from direct sunlight, heat sources, and incompatible substances such as strong oxidizers. Keep the container tightly closed and clearly labeled. Store away from food, feed, and drinking water. Ensure storage facilities are equipped to contain spills and prevent environmental contamination. Always follow local regulations and manufacturer’s instructions for chemical storage. |
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Purity 98%: Metolachlor Purity 98% is used in pre-emergence weed control in maize, where it ensures effective suppression of annual grasses and some broadleaf weeds. Stability Temperature 25°C: Metolachlor Stability Temperature 25°C is used in storage and transport conditions, where it maintains chemical integrity and consistent field performance. Melting Point 78°C: Metolachlor Melting Point 78°C is used in formulation processing, where it supports ease of blending and uniform dispersion in liquid herbicide mixtures. Particle Size 20 μm: Metolachlor Particle Size 20 μm is used in granular herbicide products, where it enables rapid dissolution and enhanced soil absorption. Molecular Weight 283.8 g/mol: Metolachlor Molecular Weight 283.8 g/mol is used in herbicide compounding processes, where it facilitates accurate dosing and predictable application rates. Viscosity Grade Low: Metolachlor Viscosity Grade Low is used in aqueous suspension formulations, where it improves spray coverage and minimises equipment clogging. |
Competitive Metolachlor prices that fit your budget—flexible terms and customized quotes for every order.
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Nobody in the chemical manufacturing business gets very far by hiding behind buzzwords. Like most growers, we believe results on the field prove a chemical’s value, season after season. Metolachlor, as a selective pre-emergent herbicide, has carried its weight for decades. We have witnessed firsthand how its granular and liquid forms handle stubborn annual grasses and certain broadleaf weeds. Farmers often ask us what makes metolachlor stand apart from other options, especially with so many active ingredients on the market today. Our production teams and partners watch the market closely, and we’ve seen demand shift with changing regulatory and crop patterns, but growers still rely heavily on what metolachlor can do.
Metolachlor, with the chemical formula C15H22ClNO2, falls in the chloroacetanilide class. For those new to our field, this is not just a technical label; it means the molecule targets weeds’ germination points: roots and shoots before or just at emergence. Over several decades, we’ve refined our manufacturing process to keep impurities low and consistently deliver high-purity Metolachlor, usually in the form of the technical concentrate (Metolachlor TC) and the common 960 g/L EC (emulsifiable concentrate) formulation.
Plenty of customers have asked for a direct comparison: how does our product hold up next to the S-metolachlor variant? The core difference starts at molecular chirality. Metolachlor typically contains both R- and S-isomers, but S-metolachlor, thanks to selective synthesis, concentrates the active S-isomer. As a producer, switching from standard to S-selective processes means more investment and process control, but the extra work does pay off in potency per dose. Under normal field conditions, S-metolachlor often gives stronger results at a lower use rate. In our experience, classic Metolachlor still supplies reliable weed control at competitive costs, making it a favorite for crops ranging from corn and soybeans to cotton and peanuts, particularly where input costs remain a major concern.
The market for active herbicides has never been more competitive. Every year, raw material prices swing and customer needs evolve. We source carefully, working with upstream chloroacetanilide intermediates that meet strict GC and HPLC quality benchmarks. Beyond synthesis, our real work happens in quality control. Our technical team runs each batch through a full battery of analytical tests: active content, specific gravity, pH in water, emulsion stability, and storage performance. If a consignment does not hit internal benchmarks — whether for active content consistency or solvent residues — it does not ship. In our market, reputation and repeat orders depend on reliability more than marketing claims.
We speak with agronomists and procurement managers almost every month. The questions always come back to real-world results. Most of our Metolachlor runs through the EC (960 g/L) format, where growers want easy mixing in the field and robust shelf life. We avoid unnecessary aromatics and adjust the emulsifier blend for compatibility not only with local water sources, but with tank-mix partners like atrazine. Our team taps into decades of formulation experience because common complaints — flash separation, settling, poor cold stability — have practical solutions, not clever slogans.
Some growers still ask about granular or micro-encapsulated forms; these work for special cases, but the straight EC has broadest adoption. Our suppliers and clients measure shipments by performance, not label design or sales pitch. Consistency in manufacturing means farmers get the same weed knockdown every season, not surprises in the tank. That is the outcome we aim for every production run.
Talk to experienced growers in the corn or soybean belt, and you hear the same story. Weed spectrum is changing, costs are unpredictable, and everybody wants reduced environmental impact without losing crop yield. We’ve sat through enough customer clinics to know how growers use Metolachlor. The main draw comes from pre-emergence control against annual grasses like barnyardgrass, foxtail, crabgrass, and limited effectiveness on certain broadleaf types. Field data and our contracted research partners confirm: Metolachlor does not do much alone for emerged weeds. It shows real punch against germinating seeds, especially under moist field conditions.
For best results, customers incorporate the product into the topsoil soon after application, whether by light tillage or rainfall. Over-application rarely helps but under-dosage almost always leads to escapes. We’ve heard about metolachlor-resistant weed populations emerging in some hotspots, usually where over-reliance leads to selection pressure. This trend underlines why we recommend integrated weed management and rotating MOAs (modes of action).
We regularly visit farms and run demonstration plots. Not every field or crop reacts the same way. For instance, peanut growers on sandy soils find Metolachlor less risky than some other options with harsher root toxicity profiles. Rice producers seeking barnyardgrass suppression in wet paddies report fewer phytotoxicity complaints compared to some other actives. As always, local soil type, rainfall, and weed spectrum matter more than any global marketing claim. Every batch that leaves our facility comes with documentation and field guidance — because nobody wins when the product is mismatched to the field.
Some clients in rice or sugarcane production ask about rotational safety and residual carryover. We have worked to reduce persistent impurities, ensuring breakdown does not interfere with sensitive follow-up crops. We keep a dedicated team on regulatory monitoring in all our sales regions, making sure our product stays compliant with current MRLs (maximum residue limits) and local field-use guidelines.
Chemical manufacturers rarely sell only one molecule. We also process acetochlor, alachlor, S-metolachlor, and several non-chloroacetanilide actives. Each active ingredient has its place, and we like straightforward comparisons rather than sales pitches. Metolachlor sits in the mid-range on weed spectrum, price point, and environmental behavior. Acetochlor boasts broader broadleaf control but less crop flexibility, and regulatory restrictions in various localities make direct farm-gate sales trickier. Alachlor sees decreasing global use due to increasing MRL scrutiny and safety concerns.
S-metolachlor, with higher S-isomer content, translates to more potent weed suppression at lower rates — but not every user wants or needs that. For many practical field setups, traditional Metolachlor covers a wide-enough weed spectrum, protecting crops with limited investment. Some customers mix with atrazine or glyphosate to stretch weed control: our technical support always addresses compatibility and mixing guidelines, avoiding antagonism or physical incompatibilities that turn a field day into headache.
Our business sees an uptick in demand each year during planning seasons, as growers check which actives suit their farming systems, soil conditions, rotation plans, and local label approvals. The best answer is not always the “strongest,” but instead what fits agronomic goals, stewardship expectations, and cost-control pressures. Technical Metolachlor, formulated in-house to strict quality standards, fills that need for many of our clients.
We live in a world of increasing scrutiny over chemical use. We have to answer for every shipment. Our lab team tracks impurity profiles and every batch meets both export and domestic benchmarks — not just because regulators demand it, but because our long-term customers expect us to have their backs on compliance. Long-term stewardship means proven residue breakdown in soil and water, reducing the risk of off-target movement and protecting follow-up crops. Our internal research partners show that Metolachlor, when used as directed, degrades steadily under aerobic field conditions, not lingering at plant-back intervals that disrupt crop rotations.
We support new developments in environmental monitoring that push the industry higher. Field runoff standards have grown stricter. Every new regulatory cycle, we review our production chain for ways to cut solvent waste, minimize VOCs (volatile organic compounds), and reduce accidental releases. Thirty years ago, you could get away with a lot more; today, one slip shows up in quarterly audits. Our company reinvests in closed-loop containment, targeted waste treatment, and process analytics, because “good enough” no longer cuts it.
In terms of operator safety, the primary demand comes from the people who apply our products day in and day out. Bulk packaging, improved drum liners, closed-system transfer for formulations, and better worker training have sharply cut accidents and misuse. Metolachlor carries fewer acute toxicity concerns than several older products, but we still view risk management as ongoing, not one-off. We build that into our user guides and client consultations, drawing on incident records and lessons learned from local distributors who see problems on the ground.
Everybody in our field talks about innovation, but few connect it directly to ground-level farming. We see innovation in small, actionable steps. Each time we dial in the process for a cleaner final product, we make plant life safer and residues less of a problem for the food chain. By investing in plant automation, inline process monitors, and more selective filtration, we hit tighter purity specs with less variability between batches. Our customers might not notice every technical improvement, but their fields often do.
Future trends push us to think cross-functionally: can we support new tank-mix partners? Can we hit new residue limits in export markets fast enough? Nobody wants a container rejected at port due to minor data sheet errors or a residue exceedance in a sensitive crop. In our labs, we try new solvent blends and microencapsulation tricks, but always keep one eye on farmer cost and hassle.
We hear about non-chemical alternatives and biological solutions gaining ground, but in row-crop monoculture, farmers want reliable chemistry with predictable results. We do not claim Metolachlor solves every problem, but it remains a dependable tool in integrated systems, especially in regions where alternatives face pricing, supply, or resistance issues. We adjust processes, update formulations, and plan ahead for regulatory changes, but effort centers on keeping reliable product flowing where it counts.
Looking ahead, the biggest challenges for Metolachlor — and all chloroacetanilides — involve resistance and stewardship. We talk openly with extension agronomists about resistance management; over-reliance on any one herbicide leads to resistant weed biotypes that cost everyone down the line. We supply data to regional agricultural departments, sponsor field trials, and encourage rotation of action modes. Responsible stewardship is good business, because ineffective weed control damages both the farmer’s crop and our company’s reputation.
Supply chain risk is now front and center for our planning teams. Volatility in basic feedstock availability can create big swings in technical-grade output. We diversify upstream suppliers and keep bigger safety stocks than most competitors. Clients are quick to notice if supply slips or price spikes, especially during spring planting windows. That motivates us to build flexibility into our own downstream logistics.
For all the talk about “sustainable chemistry,” we know most progress arrives in small, concrete steps: reduced solvent loss, better containment, smarter blending, and measurable improvements in operator safety. We see regular audits — both internal and external — as useful, not just another box to check.
No commentary would be complete without honest feedback from the people who actually use Metolachlor. We listen when growers talk candidly about wins and challenges. Metolachlor’s weed control strength depends directly on correct timing, careful calibration, and consistent application. Miss the sweet spot at planting, and control drops fast. Over many seasons, we see more consistent field performance when growers pair Metolachlor with overlapping strategies: post-emergence tank-mixes, crop rotation, and non-chemical weed control where possible.
We also help address client concerns about mixing, nozzle wear, and spray drift. Metolachlor’s main strength — low volatility and reliable tank-mix behavior — makes it a workhorse in mixed cropping systems. We spend considerable time in technical support, fielding troubleshooting calls about spray tip selection, pressure variation, water quality issues, and storage safety. Our manufacturing and after-sales technical teams collaborate to bring operational guidance directly to the farm, not leaving growers to guess at best practice.
Modern chemical manufacturing means much more than gears, valves, and raw material procurement. We maintain strict process controls because we have seen vagrancies in the field cost farmers time and cash. Every finished liter reflects an integrated effort: design chemists, production technicians, logistics specialists, regulatory professionals, and front-line sales all pull in the same direction.
The world’s regulatory landscape grows more demanding each year. By investing in process transparency and quality documentation, we limit surprises and give downstream handlers full traceability. Growers want confidence in what they use. By focusing on product consistency, clear technical guidance, and strong stewardship partnerships, we support effective, responsible crop production that keeps fields productive and farms profitable.
Our commitment shows up in every delivered shipment: consistent quality, deep technical know-how, and a standing invitation for farm-level feedback. Whether for traditional row crops, specialty seed, or emerging market crops like pulses and vegetables, we keep Metolachlor production and innovation aligned with real agricultural needs. The challenge continues, but the principles of resilience and responsibility in manufacturing do not change. Growers can count on it — because we are committed to the same results they are.