Agricultural Urea

    • Product Name: Agricultural Urea
    • Chemical Name (IUPAC): Carbamide
    • CAS No.: 57-13-6
    • Chemical Formula: CO(NH2)2
    • Form/Physical State: Solid
    • Factroy Site: China Salt Building, Lianhuachi, Guangwai Street, Fengtai District, Beijing, P.R.China
    • Price Inquiry: sales3@liwei-chem.com
    • Manufacturer: China National Salt Industry Corporation
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    Specifications

    HS Code

    119000

    Chemical Name Urea
    Chemical Formula CO(NH2)2
    Appearance White crystalline solid
    Nitrogen Content 46% by weight
    Solubility In Water Very soluble
    Molecular Weight 60.06 g/mol
    Melting Point 132.7°C
    Hygroscopicity Moderately hygroscopic
    Ph Of 1 Percent Solution Approximately 7.2
    Common Use Nitrogen fertilizer in agriculture
    Release Type Quick-release nitrogen
    Odor Odorless
    Density 1.32 g/cm³
    Biodegradability Readily biodegradable
    Compatibility Compatible with most fertilizers

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

    Packing & Storage
    Packing Agricultural Urea is typically packaged in 50 kg white woven polypropylene bags, clearly labeled with product name, manufacturer, and handling instructions.
    Container Loading (20′ FCL) Container Loading (20′ FCL) for Agricultural Urea typically holds 25-27 metric tons, packed in 50 kg bags, suitable for export.
    Shipping Agricultural Urea is typically shipped in 25-50 kg bags, jumbo bags, or bulk containers. It should be stored in dry, well-ventilated areas, away from moisture and incompatible substances. During transport, ensure containers are properly sealed and protected from rain, heat, and direct sunlight to prevent caking or decomposition.
    Storage Agricultural urea should be stored in a cool, dry, well-ventilated area, away from moisture and direct sunlight to prevent caking and decomposition. Store in tightly sealed bags or containers, preferably off the ground and away from incompatible substances such as acids. Ensure storage facilities are secure to prevent contamination and spillages, and comply with local safety and environmental regulations.
    Shelf Life Agricultural urea typically has an indefinite shelf life if stored in cool, dry conditions, protected from moisture, and contaminants.
    Application of Agricultural Urea

    Purity 46%: Agricultural Urea with purity 46% is used in crop fertilization, where it ensures high nitrogen availability for optimal plant growth.

    Granule Size 2-4 mm: Agricultural Urea with granule size 2-4 mm is used in broadcast spreading, where it provides uniform nutrient distribution across the field.

    Moisture Content ≤0.5%: Agricultural Urea with moisture content ≤0.5% is used in bulk storage, where it prevents clumping and ensures ease of handling.

    Melting Point 132°C: Agricultural Urea with a melting point of 132°C is used in urea-based foliar sprays, where it enables effective solubility without thermal degradation.

    Low Biuret (<1%): Agricultural Urea with low biuret content (<1%) is used in sensitive horticultural applications, where it reduces phytotoxicity and supports healthy foliage.

    Stability Temperature up to 40°C: Agricultural Urea with stability temperature up to 40°C is used in hot climate regions, where it maintains consistent performance without decomposition.

    Nitrogen Content 46%: Agricultural Urea with nitrogen content 46% is used in wheat cultivation, where it increases grain yield through efficient nutrient supply.

    Free-flowing property: Agricultural Urea with free-flowing property is used in mechanical fertilizer spreaders, where it ensures uninterrupted application and operational efficiency.

    Controlled Release Coating: Agricultural Urea with controlled release coating is used in long-season crops, where it delivers sustained nitrogen supply and minimizes leaching losses.

    Dust Content ≤0.1%: Agricultural Urea with dust content ≤0.1% is used in greenhouse environments, where it minimizes airborne particulates and enhances worker safety.

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    Certification & Compliance
    More Introduction

    Agricultural Urea: What Matters Most for Growers and Fields

    How Practical Experience Informs Our Perspective

    Every season, fields across the country demand nutrients that push crops through tough weather and variable soil. Over decades of work in chemical production, we’ve learned the value of simplification: fewer moving parts, reliable results, unambiguous benefits. Urea offers something straightforward to farmers—high nitrogen content, simple application, and a record of performing wherever there’s a need for a boost in plant health and yield.

    What We Manufacture: A Reliable Urea Granule

    Our core product, agricultural urea, comes as hard, white granules. The standard model features 46% nitrogen by weight, which sets it at the high end among solid nitrogenous fertilizers. That degree of concentration translates directly into crop potential. Urea in this form dissolves fast without turning to mush, and it holds against caking in bulk storage, a detail growers notice when spreaders run without jam-ups or performance dips. Without slow clumping and breakage, growers save time and keep input distribution smooth.

    Granule size runs about 2 to 4 millimeters in diameter—neither dusty nor overlarge. This means our product broadcasts on the field with ordinary equipment, reducing risk of uneven fertilizer bands, burn spots, and costly misapplication. The process starts in our reactors, where we ensure ammonia and carbon dioxide react under controlled conditions, forming urea with the minimal byproducts farmers expect from a dedicated source.

    What Urea Brings to Fields—And What It Won’t Solve Alone

    Nitrogen works as a cornerstone nutrient, and for every field, it drives growth in cereal crops, oilseeds, vegetables, and forage alike. Urea doesn’t just hold the record for nitrogen percentage; it enters the soil quickly and transforms into ammonium through hydrolysis. This step matters because plants can take up ammonium, letting them rally after delayed starts or adverse conditions. Timing is as important as the input itself: urea should hit moist soils shortly before rainfall or light irrigation for best use. On dry ground, surface-applied urea can be lost to volatilization, reducing the value of the investment. Some customers blend it with stabilizers to slow this process, but even without additives, experience shows careful timing stretches every unit of nitrogen furthest.

    The task of feeding a crop doesn’t end at nitrogen. Urea brings pure nitrogen; it does not replace phosphorus, potassium, or micronutrients. Our clients report biggest gains when they use urea alongside a balanced fertility program, not as a solo act. Years of field results confirm that chasing only one input—no matter the form—rarely delivers what crops can achieve under a true nutrient plan.

    Why Urea Still Dominates Over Ammonium Nitrate and Other Choices

    For decades, growers have weighed different nitrogen choices as each product has its tradeoffs. Ammonium nitrate offers quicker plant uptake and less potential for surface loss, but it comes with greater regulatory controls, security monitoring, and—frequently—higher cost per unit nitrogen. Our facilities no longer process ammonium nitrate for agriculture, not just for regulatory reasons but because the logistical burden adds up for buyers and shippers alike.

    Urea arrives and stores with fewer headaches. It packs more nitrogen per ton, so freight becomes less expensive and application rates can drop, letting a single bag cover more ground. The lower risk of explosion makes on-farm and warehouse management easier. Farmers who practice surface spreading, topdressing, or precision banding gravitate toward granulated urea for these reasons. The preference isn’t just habit—it follows decades of steady yield increases linked to this form of nitrogen.

    Typical Uses Outlined from Years of Feedback

    We’ve seen urea used before planting, early in the season, or as a rescue application. Corn, wheat, rice, and sugarcane growers set priority on pre-plant or early sidedress timing. Vegetable and specialty crop producers integrate granular urea into their controlled-fertility programs. Some irrigated landowners dissolve urea for fertigation to support fruiting and filling stages. There’s less need for complicated blending since the product remains chemically simple and consistent between batches.

    Any prolonged storage—months on end in humid or hot climates—can press granules into hard slabs if the facility is unvented or unprotected. We’ve invested in coating technologies to deter this, using anti-caking agents that keep product flowable. Storage still matters, and buyers who maintain moderate humidity and temperature see months or even years of quality product. We design our packaging to hold the line against punctures, moisture infiltration, and UV damage. In our experience, sturdy bags and sheds make a direct difference in product longevity and returns at the farm gate.

    Environmental Considerations and Field Practices

    All nitrogen fertilizers carry a risk of leaching, volatilization, or runoff. Years of research and practical field trials underline this fact. Good stewardship—incorporating urea into soil, avoiding heavy rain forecasts, and pairing with efficient irrigation—cuts losses noticeably. In some circumstances, urease inhibitors can extend the opportunity for plants to pick up applied nitrogen. We worked with agronomists to test formulations with and without stabilizers. In sandy soils or high pH regions, stabilizers show a real benefit and can pay for themselves in saved input.

    No fertilizer can replace well-structured management. Our partners in extension work and fertilizer dealer support often help fold urea into wider best practices: soil testing, split nitrogen application, crop rotation, and cover cropping. As a manufacturer, we encourage testing and adaptation. Urea’s popularity owes as much to its flexibility as to its chemistry—growers can tailor application rates across a huge range of soils and crops.

    Direct Factory Oversight Means Consistency

    We built our production lines around the needs of largescale and regional buyers alike. Each batch undergoes direct, in-house quality control checks—granule size, crush strength, moisture content, and nitrogen percentage. We don’t ship until tests hit internal benchmarks, not just global standard minimums. We pull on decades of chemical process experience: calibrating every stage, adjusting for ambient temperature and pressure, scrubbing potential contaminants, and verifying the gas blend ratios. Engineers and plant operators walk the line with checklists and process monitors rather than leaving performance to chance.

    Lessons from the past taught us shortcuts never pay. We’ve seen buyers burned by out-of-spec product—powdered substitutes, poorly granulated material, or contaminants left unchecked. We own the process from raw input sourcing through bagging, allowing us to answer for every kilogram shipped. That tight production discipline translates into fewer complaints, repeat orders, and a reputation for accountability that outlasts price wars or short-term market swings.

    Comparing Urea to Blended Fertilizers—Straightforward Choices

    Blended and compound fertilizers serve a purpose where specific N-P-K formulas make sense. We manufacture straight urea for those who need pure nitrogen input and want to control the rest of their fertilizer program directly. Blends work for some systems, but growers managing yield by the field value precision. By using single-nutrient products like urea, they adjust for each season’s soil test, crop need, and environmental risk. They know exactly what the input delivers—no dilution, no unpredictable nutrient ratios, no surprise interactions.

    Granular urea never carries the ammonium sulfate’s sulfur content, nor the magnesium of specialty blends, so it fits in cleanly when multiphase programs call for staggered applications. After discussions with agronomists in the field, many adjust midseason based on crop scouting and in-field tissue tests—a flexibility only possible with unblended fertilizers. Owners of small and large acreages alike tell us that pure urea granules give them the freedom to scale the nitrogen dose up or down as new information comes in.

    Practical Differences: What Real-World Users Tell Us

    We spend time in fields, not just in boardrooms or labs. The big takeaways come from end users reporting after planting, harvest, or tough weather stretches. Compared to other nitrogen sources:

    Crop specialists who work with our buyers often recommend split applications of urea, matching growth stages instead of relying on a single big input. That flexibility encourages root mass and top growth that tracks closely with rainfall and irrigation regimes.

    Continuous Improvement Based on Feedback and Lab Results

    We design upgrades to address direct needs. Early on, growers told us caking and dusting cut field efficiency. Our response: tweaking the granulation step, adding surface conditioners, and investing in packaging lines that back up the field input with storage protection. Each season, we revisit test results and customer experiences to see where product flow or field performance can rise another notch.

    Our labs run not just nitrogen tests, but check for uniform moisture distribution, granule shape, and dust-off in simulated field loading. Not every batch needs identical tweaks, but we have process control flexibility to keep outlier readings from escaping the system. The result is a series of improvements not dictated by marketing, but by everyday trial in farms from grain belts to subtropical fruit farms.

    Integrating with Modern Practices—Precision Agriculture and Data Tools

    Urea’s foundational role hasn’t prevented it from fitting into the latest agronomic technology. We’ve partnered with tech-savvy growers to test variable rate application, drone-assisted topdressing, and GPS-guided spreaders. Our granule sizing consistently allows for even spread patterns and drop points. Farmers pulling data from real-time field sensors say pure urea’s predictable chemistry simplifies calibration and decision making, especially once yield maps start rolling in.

    As software, drones, and sensors become more routine, we work at the intersection of old and new—ensuring our tried-and-true product lines don’t fall behind the curve. Growers depending on remote weather stations or data-driven recommendations report that known-release characteristics and consistent granule sizing eliminate some of the uncertainties that software input models otherwise have to account for.

    Handling, Safety, and Regulatory Confidence

    Decades of regulatory interaction taught us that clean records and product traceability cut costs and worries for every user along the supply chain. We follow strict batch control: tagging shipments, archiving records, and making sure end-users can verify source and compliance. Our plants operate under consistent inspections and third-party reviews. The lack of explosive or extreme hazard class status for urea compared to rival nitrogen forms means less off-field paperwork for buyers.

    Field-level safety practices remain essential: gloves, masks in dusty conditions, well-maintained spreaders, and safe storage off ground level. Training sessions at our facilities or with local ag groups make safety routines part of normal work, not just an afterthought. We address these issues directly, knowing that the on-farm experience is where company promises meet real-world exposure.

    Feedback Loops with Experts and End Users

    We draw on networks of agronomists, extension agents, and active growers who share hands-on stories. These partnerships inform both our process and our response to new plant health trends or field challenges. Innovations in nutrient management—whether through new stabilizer chemistries, drone-based application, or winter pre-treatment—often come direct from conversations on the test plot, not just from behind a desk.

    If a new coating additive appears to deliver on anti-caking or stabilize nitrogen longer in wet soils, we gear our R&D into small-batch trials and side-by-side comparison. We then scale up only after solid field returns. Years of this approach have built our reputation for direct responsibility.

    Why We Stand Behind Our Approach

    Our belief centers on being present from production through delivery. Because we don’t outsource production, we avoid finger-pointing or shifting standards. Direct lines of communication with growers give us a daily reality check: is the granule size correct, is nitrogen content spot-checked, does the bag survive a season in the warehouse, do crops respond as promised. If shortfalls occur—if handling reveals a weak point in packaging, or a seasonal weather swing exposes a risk of product loss—we adjust in real-time. We take criticism as guidance, not threat, aiming for both big-picture reliability and the daily routines that matter to working farms.

    Market Realities: Why Urea Maintains Broad Appeal

    Agricultural buyers choose not just on price, but on total value—yield returns, time saved, and worry cut from the process. Urea brings price stability in many global markets where other products fluctuate with supply chain disruptions or changing regulations. Since we control feedstock sourcing straight to granule bagging, supply consistency stays high even in volatile conditions.

    Rapid shipment and minimal input requirements make urea a practical fit whether a buyer manages 50 hectares or 5,000. Dealers, co-ops, and processor groups include it in their core range for the same reasons: flexibility, reliability, and low barrier to entry. Urea’s chemical simplicity means it rarely triggers compatibility problems when mixed or applied with approved herbicides, insecticides, or conditioners in the field—a talking point that comes up in every season’s planning meetings.

    Our Vision for the Role of Urea in Tomorrow’s Agriculture

    Farming will keep evolving, and with that, the nutrient demands and application methods will shift. We invest in incremental improvements, not overpromising dramatic leaps but focusing on what makes a difference to working growers: reliable granule consistency, transparent nitrogen percentage, and straightforward user support. New research continues into nitrification inhibitors, coating technologies, and field-adaptive blends. Our development teams work directly with university partners and regional agronomists to test potential improvements in real-world plots.

    Long experience shows us that tight production discipline, open communication, and the willingness to adapt set successful manufacturers apart. Urea offers growers across diversified systems a proven, practical tool. It supports not just corn or wheat, but the broad array of crops that keep markets and families supplied year-round. We’ll keep refining process, product, and packaging as new challenges appear, ensuring that agricultural urea does more as part of a larger movement—efficient, data-informed, and environmentally responsible farming for seasons ahead.