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Ammonium Carbamate

    • Product Name Ammonium Carbamate
    • Alias Ammonium acid carbamate
    • Einecs 208-617-3
    • 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

    419545

    chemical_name Ammonium Carbamate
    chemical_formula NH4CO2NH2
    molar_mass 78.07 g/mol
    appearance White solid
    odor Ammonia-like
    melting_point 60 °C (decomposes)
    solubility_in_water Very soluble
    density 1.527 g/cm³
    CAS_number 1111-78-0
    pH alkaline when dissolved in water
    stability Decomposes at room temperature
    boiling_point Decomposes before boiling

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

    Packing & Storage
    Packing Ammonium Carbamate, 500g, packaged in a sealed, high-density polyethylene bottle with a secure screw cap and clear hazard labeling.
    Shipping Ammonium carbamate should be shipped in tightly sealed containers, protected from moisture and heat. It is classified as hazardous and must be labeled accordingly. Transport per local, national, and international regulations (UN 3077, Class 9). Store upright and separate from incompatible materials, such as acids and oxidizers, to prevent hazardous reactions.
    Storage Ammonium carbamate should be stored in a cool, dry, and well-ventilated area, away from heat, moisture, and incompatible substances such as acids and oxidizing agents. Containers must be tightly closed and clearly labeled to prevent contamination. Due to its tendency to decompose and release ammonia and carbon dioxide, avoid storage under high temperatures or direct sunlight. Use corrosion-resistant containers.
    Application of Ammonium Carbamate

    Applications of Ammonium Carbamate in Industrial Manufacturing

    As a direct manufacturer of specialty nitrogen-based intermediates, we supply ammonium carbamate to downstream industries that integrate it into established production flows in compliance with sector-specific standards. Below, we detail major application segments, operational formulation guidelines, and key process roles as implemented by industrial clients worldwide.

    1. Urea Production for Agrochemical Fertilizer Manufacturing

    Large-scale fertilizer manufacturers utilize ammonium carbamate as a critical intermediate in the urea synthesis loop, where its controlled conversion influences yield and process efficiency. In high-pressure urea plants, its purity and reactivity drive synthesis reliability, requiring close monitoring against established safety and quality protocols through continual process integration and effluent management.

    Industry compliance standards

    • ISO 9001:2015 (Quality Management in Fertilizer Manufacturing)
    • EU Fertilizer Regulation (EU) 2019/1009
    • GB/T 15063-2020 (Chinese Compound Fertilizer Standard)
    • CFR Title 40, Part 180 (EPA Pesticide Tolerances for Residues)

    Typical usage ratio

    • Under 200 bar reactor conditions, added at 85–95% molar ratio relative to carbon dioxide, adjusted as process modeling dictates for conversion optimization and emission minimization.

    Downstream process integration

    • Generated in situ from ammonia and carbon dioxide, then recirculated between synthesis, condensation, and stripping towers within the urea production loop—strict temperature and pressure monitoring ensures complete conversion.

    Final product types

    • Nitrogen urea prills and granules for bulk fertilizer blends
    • Controlled-release urea-based granules
    • Urea solution for foliar application formulations

    2. Nitrogen-Based Resin Manufacturing (Amino Plastics and Adhesives)

    Formal resin producers employ ammonium carbamate as a reactive nitrogen donor during the synthesis of aminoplast resins, particularly melamine and urea-formaldehyde types. The material’s controlled decomposition improves nitrogen content and condensation reaction rates, which impact mechanical properties and downstream resin curing behaviors in composite board and adhesive plants.

    Industry compliance standards

    • EN 13986:2004+A1:2015 (Wood-Based Panels for Use in Construction)
    • ASTM D4317 (Standard for Melamine-Formaldehyde Resin Solutions)
    • CARB Phase 2 / TSCA Title VI (Formaldehyde Emission Limits in Composites, North America)
    • ISO 12460-5 (Emission Measurement for Nitrogenous Resins)

    Typical usage ratio

    • Nitrogen donor incorporated at 2–8% by weight of total resin precursor blend, adjusted for target polymer chain structure, crosslink density, and process throughput.

    Downstream process integration

    • Batch or continuous addition into resin kettle before formaldehyde dosing, followed by in situ decomposition and pressure-regulated mixing to ensure complete reaction with alkali catalysts.

    Final product types

    • Melamine formaldehyde molding powders
    • Urea-formaldehyde glues for plywood and MDF
    • Laminating adhesives for wood composites and overlay panels

    3. Hydrazine Hydrate Synthesis for Specialty Chemicals

    Manufacturers in the hydrazine sector apply ammonium carbamate as a primary reactant in the Raschig process, where precise feed ratio and temperature management drive yield, reduce byproduct formation, and enable inline byproduct recovery. Consistency in material supply and reactivity enables strict adherence to hazardous material and chemical safety regimes in this tightly regulated field.

    Industry compliance standards

    • REACH Annex XVII (Restricted Substances, Hydrazine)
    • 49 CFR 172.101 (DOT Hazardous Materials Table, USA)
    • GMP standards for fine chemical intermediates (as applicable)
    • IEC 61511 for safety instrumented systems in chemical plants

    Typical usage ratio

    • Charged at equimolar ratios with sodium hypochlorite (typically 1.0:1.0 in batch synthesis), fine-tuned for yield or byproduct control—variance based on targeted hydrazine purity and end-use application.

    Downstream process integration

    • Pumped directly into multi-stage reactor trains, maintained at 30–60°C and alkaline conditions for optimum conversion, with ammonium chloride separation before hydrazine concentration steps.

    Final product types

    • High-purity hydrazine hydrate for propellants
    • Hydrazine-containing blowing agents for polymer foams
    • Active pharmaceutical ingredient precursors in fine chemicals

    4. Specialty Emission Control in Flue Gas Treatment (NOx Removal)

    Power plant and waste incinerator operators incorporate ammonium carbamate in selective non-catalytic reduction (SNCR) systems to treat nitrogen oxides during high-temperature flue gas scrubbing. Precise dosage and injection point adjustment ensure effective reduction kinetics for strict environmental compliance, requiring high reactivity and reliable supply to minimize operational downtime.

    Industry compliance standards

    • EN 14181:2014 (Quality Assurance for Automated Measurement Systems)
    • US EPA 40 CFR Part 60 (Standards of Performance for NOx Emissions)
    • Chinese GB 13223-2011 (Industrial Boiler Emission Limits)
    • ISO 14001:2015 (Environmental Management Systems)

    Typical usage ratio

    • Injection rates typically 1.2–1.6 molar ratio relative to NOx content at stack entry, adjusted dynamically by automated measurement systems based on combustion load and gas temperature (850–1100°C reaction window).

    Downstream process integration

    • Metered via dedicated dosing skids to pre-defined SNCR injection nozzles at optimal furnace locations, immediately decomposing into active nitrogen species for downstream NOx reduction.

    Final product types

    • NOx-depleted, emissions-compliant flue gas output
    • Environmental protection credits or compliance certificates
    • Industrial air quality monitoring reports evidencing in-spec operation
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    Certification & Compliance
    More Introduction

    Our Experience Producing Ammonium Carbamate

    Deep Roots in Chemical Synthesis

    Ammonium carbamate has played a central role in our operations for decades. Let’s get straight to it—I can still remember the day our plant manager stepped into the control room, watching that first crystallization and nodding with approval. Years have gone by, and we've refined every step, from raw material loading to finished product packaging. This isn't just another chemical rolling off a line; each batch demands close attention, steady hands, and adjustment based on real-time data.

    Our team knows exactly how sensitive ammonium carbamate production can be to small shifts in pressure, temperature, and feed rates. The white, powdery product doesn’t just come from pushing a button on an automated panel. Years working at scale—starting with runs below a ton per hour and scaling to today's much larger throughputs—taught us that purity and yield both rise when we pay attention to every detail. We never shy away from troubleshooting; if a stream starts fouling, or a crystallizer drags out too long, we’re on it.

    The Product: Ammonium Carbamate and Its Nuances

    We primarily produce ammonium carbamate in technical and high-purity grades, serving both fertilizer downstreams and synthesis processes in the fine chemical industry. Some of our main clients care most about nitrogen content, others demand extremely low metal traces. We’ve adjusted filtration, reaction temperatures, and drying protocols to consistently meet these requirements. Our current standard runs with an assay of over 99%, with water and free ammonia kept in tight check.

    Physical form matters in applications like urea manufacture, where the flow and solubility properties directly impact process uptime. Our team learned, especially early on, how crucial it is to manage not only particle size but also bulk density. We’ve eliminated caking and dusting issues, which plagued earlier batches. Clients relying on slurry feeds for high-throughput synthesis need a reproducible and reliable crystal habit—this impacts transfer lines, pumps, and even filter screens. Our product stays consistent because we commit to rigorous quality checks at each production stage.

    Why Choose Ammonium Carbamate?

    In the synthesis of urea, using ammonium carbamate cuts out steps by serving as a direct intermediate between ammonia and carbon dioxide. This is the backbone of large-scale nitrogen fertilizer manufacturing. Over time, we’ve partnered with both major international players and regional producers, staying competitive by keeping operating costs low without skimping on quality. We source ammonia and carbon dioxide streams locally to ensure lower logistic expenses—a straightforward edge when customers notice bottom-line differences.

    Beyond urea, ammonium carbamate has a solid record as a reactant in pharmaceutical intermediates and specialty chemicals. Frequent requests come from buyers working with nitrosation and oxidation pathways, as well as from agrochemical researchers developing novel derivatives. Our technical team engages in real conversations about purity thresholds, because small impurities sometimes play an outsized part in whether an experiment or a line run succeeds.

    Differences from Other Nitrogen-Containing Products

    Having manufactured both ammonium carbonate and urea, as well as several ammonium salts, we know ammonium carbamate brings its own set of properties to the table. It stands out for its higher nitrogen content compared to ammonium carbonate. Ammonium carbamate also hydrolyzes faster in the presence of moisture, so storage, handling, and packaging all differ significantly. This single property determines whether a product ships in bagged format or in sealed drums.

    Field users often ask about interchangeability. We've seen that swapping ammonium carbamate for urea or ammonium sulfate often changes reaction rates and end product properties in synthesis. No shortcut exists to working through these details. In fertilizer production, for example, using ammonium carbamate instead of urea demands equipment tweaks—the solubility and reactivity rates differ enough to matter when targeting specific formulation outputs. These are not abstract differences—they impact total cost, throughput, cycle time, and ultimately plant performance.

    Packaging Built for Real-world Use

    Caking is a common issue. Based on customer input from bulk buyers, we moved years ago to lined bags with enhanced barrier properties. For smaller batches, we use double-laminated sacks whose seams we check manually. The team understands what downtime looks like on the customer’s end, so we pack to avoid bridging or compaction during storage. We've done trials at different humidity levels and storage times—watching how the product behaves over weeks and months. Feedback then cycles back to our process. That’s how we keep consistency batch after batch.

    For process operators, the difference between handling our ammonium carbamate and commodity-grade ammonium carbonate is immediately obvious. We get this information back in operator notes and customer calls, especially from facilities feeding continuous reactors. The feedback loop between plant floor and lab brings out modifications: tweaks to granulation or moisture specs, shifts in particle control targets.

    Supply Chain and Raw Material Considerations

    Raw material purity is non-negotiable. Ammonia shipments get checked before offloading, sometimes more than once when suppliers change. Carbon dioxide stream composition also affects product purity and safety. On a few occasions, off-spec inputs forced partial shutdowns. These hard lessons sharpened our protocols. Never cut corners on gas quality testing: we check for oxygen, moisture, and organics with regular instrument calibration.

    By maintaining robust supply partnerships and backup plans for sourcing, our facility stays productive. We near-doubled on-site storage capacities for both gases, reducing our reliance on just-in-time delivery. This has paid off during regional shortages—we kept running when others idled. Customers liked the stability, and our own team gained more breathing room in production scheduling.

    Environmental and Safety Practices We Live By

    We don’t take safety and environmental risks lightly. Ammonium carbamate is known for releasing ammonia under certain conditions. Every time our operators load a new batch, ventilation and PPE come first. Emergency protocols exist for a reason, and real drills separate preparation from luck. We're stringent about air monitoring and spill prevention. Scrubbers, sealed transfer systems, and well-trained staff keep incidents rare.

    Managing environmental impact means tightly controlling wastewater, too. Effluent ammonia levels get tracked at multiple points, and we installed a secondary treatment unit after a neighbor in the industrial park flagged concerns about emissions. That led to real improvements—reduced ammonia footprint, better compliance, and smoother regulatory inspections. Our people take pride in knowing the plant doesn’t just meet standards; we often set the local benchmark.

    Long-term Customer Partnerships

    Years of direct feedback from production plant engineers and purchasing teams shaped how we work. If someone calls about a batch issue, it's one of our technical team — not a distant helpline — who answers with pragmatic advice. Many of our regular buyers ask for specific labeling, adjusted pallet stacking patterns, or modified documentation. We’ve added these by listening, not through impersonal process management.

    Sometimes, clients change processes and need faster solubility or a tweak in decomposition profile. We treat those requests as opportunities to adjust our crystallization protocol or drying profile, sending out trial batches for testing. There’s an understanding: open communication reduces mistakes and misunderstandings, especially when applications become more specialized. A few times, we’ve even visited customer plants, walking the floor and reviewing process flow to solve challenges together. These are the relationships that last.

    Supporting Innovation and R&D

    Research labs working on new chemical pathways value the predictability of our ammonium carbamate. Academic and corporate researchers often share results and anomalies, prompting us to run in-house analyses on archived retention samples. Eventually, findings like these help us improve process control setpoints or alter impurity screening practices.

    Several institutions testing catalytic applications came to us for a different thermal decomposition curve—a detail that means adjusting evaporation and crystallization rates on our lines. Our R&D group welcomes the challenge, running pilot-scale batches and interpreting trial data. A batch may need tuning for a biodegradable polymer precursor, so we’ll shift drying conditions as necessary. That’s how we’ve earned trust with engineers and scientists who know what they need and aren’t shy about asking for something outside the normal.

    Outlook For Ammonium Carbamate in the Industry

    Market interest in high-purity ammonium compounds remains strong. Emerging applications in specialty chemicals, water treatment, and even green catalysts prompt more chemical users to reconsider older supply options. Some upstream sectors want tighter product specs, and our team updates protocols in response to these evolving needs. For areas like controlled release fertilizers, tailored decomposition rates now matter more than they did a decade ago.

    In our experience, the trade-off between cost, purity, and functional application drives purchasing. Reliability isn’t an abstract promise: it’s grounded in how well we control processes, adapt to user feedback, and stay responsive to regulatory changes. During years with wider raw material volatility, our ability to maintain both delivery schedules and quality kept client lines running. That kind of performance sets a manufacturer apart from a repackager or trader, because it’s only possible with control over every step of the process.

    Continual Improvement From Shop Floor To Customer Dock

    Every facility visit, batch ticket review, and post-shipment survey pushes us to refine a little further. Our teams take serious pride in seeing returning buyers, repeat audits with strong results, and real collaboration with operators on the ground. Not every improvement gets listed in a procedure manual; many changes come from a technician noticing a trending shift or a shift supervisor recognizing a subtle but important detail. Those judgment calls, tested over hundreds of production cycles, build the reliability that buyers return for, again and again.

    Looking at the world ahead, ammonium carbamate has a long future both as a workhorse chemical and as a platform for emerging applications. Producers with hands-on experience, robust supply lines, and a practical approach will keep delivering the results that working engineers, process chemists, and plant teams from all over come to rely on. Our operation—down to its bones—carries those values forward every day.